fzus61 kbuf 042102
glflo 
expires:202601050400;;791604

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est sun jan 4 2026

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a 30.2 inch high will then slide from the western great 
lakes to the lower great lakes by early monday, before drifting off 
the east coast monday night. a weak 29.6 inch low will then cross 
the lower great lakes tuesday night before moving off the new 
england coast wednesday. a 30.1 inch high will then proceed to build 
from the ohio valley wednesday to the mid atlantic thursday.


loz063>065-050400-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm est sun jan 4 2026

.tonight...northwest winds 15 to 20 knots becoming east 5 to
15 knots. a chance of snow late. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.monday...southeast winds 10 to 15 knots. snow. waves 2 feet or
less. 
.monday night...southeast winds 5 to 10 knots. snow in the
evening. waves 2 feet or less. 
.tuesday...southeast winds 5 to 15 knots. a chance of rain
showers in the afternoon. waves 2 feet or less. 
.tuesday night...southeast winds 10 to 15 knots becoming west
15 to 20 knots. rain showers likely in the evening, then rain
showers and freezing rain likely overnight. waves 1 to 3 feet
building to 2 to 4 feet. 
.wednesday...west winds 15 to 20 knots becoming southwest 10 to
15 knots. rain showers likely, a chance of snow showers and
freezing rain likely during the day. waves 3 to 5 feet subsiding
to 1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots becoming south 15 to
20 knots. a chance of rain showers thursday night. waves 1 to
3 feet building to 2 to 4 feet. 
.friday...south winds 15 to 20 knots becoming east. a chance of
rain showers. waves 3 to 5 feet subsiding to 2 to 4 feet. 

$$

fzus61 kbuf 042102
glflo 
expires:202601050400;;791603

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est sun jan 4 2026

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a 30.2 inch high will then slide from the western great 
lakes to the lower great lakes by early monday, before drifting off 
the east coast monday night. a weak 29.6 inch low will then cross 
the lower great lakes tuesday night before moving off the new 
england coast wednesday. a 30.1 inch high will then proceed to build 
from the ohio valley wednesday to the mid atlantic thursday.


loz062-050400-
lake ontario open waters from the niagara river to hamlin beach-
402 pm est sun jan 4 2026

.tonight...northwest winds 15 to 20 knots becoming south and
diminishing to 10 knots or less after midnight. a chance of snow
after midnight. snow likely late. waves 2 to 4 feet subsiding to
2 feet or less. 
.monday...southeast winds 5 to 10 knots. snow in the morning,
then a chance of snow in the afternoon. waves 1 foot or less. 
.monday night...southeast winds 5 to 10 knots. a chance of snow
in the evening. waves 1 foot or less. 
.tuesday...southeast winds 5 to 10 knots becoming east. rain
showers likely in the afternoon. waves 2 feet or less. 
.tuesday night...southeast winds 10 to 15 knots becoming west
15 to 20 knots. rain showers likely. waves 1 to 3 feet. 
.wednesday...west winds 15 to 20 knots becoming southwest 10 to
15 knots. a chance of rain showers during the day. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.thursday...southwest winds 5 to 15 knots. a chance of rain
showers thursday night. waves 1 to 2 feet. 
.friday...southwest winds 10 to 15 knots becoming east 15 to
20 knots. a chance of rain showers. waves 1 to 3 feet building to
2 to 4 feet. 

$$

fzus61 kcle 041939
glfle 
expires:202601050315;;788300

open lake forecast for lake erie
national weather service cleveland oh
239 pm est sun jan 4 2026

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
high pressure 30.20 inches will gradually exit east of the area
into monday as weak low pressure 29.80 inches moves east through
the upper great lakes. another low pressure 29.50 inches will move
east through the lower great lakes tuesday night into wednesday,
extending a cold front across the area. weak high pressure 30.00
inches will return by thursday.


lez061-168-169-050315-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-geneva-on-the-
lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
239 pm est sun jan 4 2026

.tonight...west winds 5 to 15 knots becoming south. a slight
chance of snow showers after midnight. a chance of snow showers
late. waves 1 to 2 feet. 
.monday...south winds 10 to 15 knots becoming southwest. a chance
of snow showers early, then a slight chance of snow showers late
in the morning. waves 1 to 3 feet. 
.monday night...southwest winds 5 to 10 knots becoming south.
waves 1 to 2 feet. 
.tuesday...south winds 5 to 15 knots. a chance of rain in the
morning, then rain in the afternoon. waves 1 to 2 feet. 
.tuesday night...southwest winds 10 to 15 knots becoming west
15 to 20 knots. a chance of rain in the evening. waves 1 to
3 feet building to 2 to 4 feet. 
.wednesday...west winds 5 to 15 knots becoming southwest. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.thursday...south winds 10 to 15 knots. a chance of rain during
the day, then rain likely thursday night. waves 1 to 3 feet. 
.friday...south winds 15 to 20 knots. rain likely during the day,
then a chance of rain friday night. waves 1 to 3 feet. 

$$

fzus61 kcle 041939
glfle 
expires:202601050315;;788298

open lake forecast for lake erie
national weather service cleveland oh
239 pm est sun jan 4 2026

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
high pressure 30.20 inches will gradually exit east of the area
into monday as weak low pressure 29.80 inches moves east through
the upper great lakes. another low pressure 29.50 inches will move
east through the lower great lakes tuesday night into wednesday,
extending a cold front across the area. weak high pressure 30.00
inches will return by thursday.


lez162>164-050315-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
239 pm est sun jan 4 2026

.tonight...south winds 10 knots or less becoming southeast. a
slight chance of snow showers after midnight. the lake is mostly
ice covered.
.monday...south winds 5 to 15 knots becoming southwest. 
.monday night...southwest winds 5 to 10 knots becoming south. 
.tuesday...south winds 5 to 15 knots becoming southwest. rain
likely. 
.tuesday night...west winds 10 to 15 knots. 
.wednesday...west winds 5 to 10 knots becoming south. 
.thursday...south winds 10 to 15 knots becoming southwest. a
chance of rain during the day, then rain likely thursday night. 
.friday...south winds 10 to 15 knots becoming west 15 to
20 knots. a chance of rain. 

waves omitted due to the lake being mostly ice covered.

$$

fzus61 kcle 041939
glfle 
expires:202601050315;;788299

open lake forecast for lake erie
national weather service cleveland oh
239 pm est sun jan 4 2026

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
high pressure 30.20 inches will gradually exit east of the area
into monday as weak low pressure 29.80 inches moves east through
the upper great lakes. another low pressure 29.50 inches will move
east through the lower great lakes tuesday night into wednesday,
extending a cold front across the area. weak high pressure 30.00
inches will return by thursday.


lez165>167-050315-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-
239 pm est sun jan 4 2026

.tonight...southwest winds 5 to 15 knots becoming south. a chance
of snow showers after midnight. waves 2 feet or less. 
.monday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday night...southwest winds 5 to 10 knots becoming south.
waves 1 to 3 feet subsiding to 1 foot or less. 
.tuesday...south winds 10 to 15 knots becoming southwest. rain.
waves 1 to 3 feet. 
.tuesday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. a chance of rain in the evening. waves 2 to
4 feet. 
.wednesday...west winds 5 to 15 knots becoming south. waves 1 to
3 feet subsiding to 1 foot or less. 
.thursday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of rain during the day, then rain likely
thursday night. waves 1 to 3 feet. 
.friday...south winds 15 to 20 knots becoming southwest. rain
likely during the day, then a chance of rain friday night. waves
2 to 4 feet. 

$$

fzus63 kdtx 042051
glfsc 
expires:202601050500;;790868

lake st clair forecast
national weather service detroit/pontiac mi
351 pm est sun jan 4 2026

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...weak low pressure, 29.90 inches, vacates the great
lakes region this morning. high pressure, 30.20 inches, then
fills in for today before the next clipper system brings another
glancing shot of snow to the great lakes early monday morning.


lcz460-050500-
lake st clair-
351 pm est sun jan 4 2026

.tonight...light and variable winds becoming south 10 to 15 knots.
mostly cloudy. light snow likely after midnight.
.monday...south winds 10 to 15 knots becoming southwest 5 to 10
knots in the afternoon. partly sunny.
.monday night...south winds 5 to 10 knots early in the evening
becoming light and variable...then becoming south 5 to 10 knots
after midnight. mostly cloudy.
.tuesday...southeast winds 5 to 10 knots veering to the southwest
early in the afternoon. light rain and snow early in the
morning...then light rain in the late morning and afternoon.
.tuesday night...west winds 5 to 10 knots increasing to 10 to 15
knots by midnight...then diminishing to 5 to 10 knots after
midnight. mostly cloudy.
.wednesday...west winds 5 to 10 knots backing to the southwest in
the evening. mostly cloudy.
.thursday...south winds 10 to 15 knots. partly cloudy. light rain
likely.
.friday...northeast winds 10 to 15 knots. mostly cloudy with light
rain likely.

waves omitted due to ice coverage.

$$

fzus63 kdtx 042050
glflh 
expires:202601050500;;790866

open lake forecast for lake huron
national weather service detroit/pontiac mi
350 pm est sun jan 4 2026

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...weak low pressure, 29.90 inches, vacates the great
lakes region this morning. high pressure, 30.20 inches, then
fills in for today before the next clipper system brings another
glancing shot of snow to the great lakes early monday morning.


lhz363-462>464-050500-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
350 pm est sun jan 4 2026

.tonight...southwest winds 5 to 10 knots becoming south 15 to
20 knots. snow after midnight. snow may be heavy at times after
midnight. waves 1 to 3 feet building to 2 to 4 feet early in the
morning. 
.monday...south winds 15 to 20 knots becoming southwest 5 to
10 knots. a chance of snow in the morning. waves 3 to 5 feet. 
.monday night...south winds 5 to 10 knots. waves 2 feet or less. 
.tuesday...south winds 5 to 10 knots becoming southeast 10 to
15 knots in the late morning and early afternoon...then
decreasing to 5 to 10 knots early in the afternoon. a chance of
rain in the morning...then rain likely in the afternoon. waves
1 to 3 feet. 
.tuesday night...north winds 5 to 10 knots becoming west 10 to
15 knots in the late evening and overnight. waves 1 to 3 feet. 
.wednesday...west winds 10 to 15 knots backing to the southwest
late in the afternoon. waves 1 to 3 feet. 
.thursday...south winds 10 to 15 knots. a chance of rain . waves
1 to 3 feet building to 2 to 4 feet. 
.friday...southwest winds 10 to 15 knots becoming northeast 15 to
20 knots . a chance of rain. waves 3 to 5 feet. 


$$

fzus63 kdtx 042050
glflh 
expires:202601050500;;790865

open lake forecast for lake huron
national weather service detroit/pontiac mi
350 pm est sun jan 4 2026

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...weak low pressure, 29.90 inches, vacates the great
lakes region this morning. high pressure, 30.20 inches, then
fills in for today before the next clipper system brings another
glancing shot of snow to the great lakes early monday morning.


lhz361-362-050500-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
350 pm est sun jan 4 2026

.tonight...southwest winds 5 to 10 knots backing to the south
late in the evening...then increasing to 10 to 15 knots after
midnight. snow after midnight. snow may be heavy at times after
midnight. waves 1 to 3 feet building to 2 to 4 feet early in the
morning. 
.monday...south winds 10 to 15 knots becoming southwest 5 to
10 knots early in the afternoon...then backing to the east late
in the afternoon. a chance of snow. waves 2 to 4 feet. 
.monday night...southeast winds 5 to 10 knots veering to the
south in the late evening and overnight. waves 1 to 3 feet. 
.tuesday...southeast winds 5 to 10 knots. a chance of rain in the
afternoon. waves 2 feet or less. 
.tuesday night...north winds 5 to 10 knots backing to the
northwest by midnight...then increasing to 10 to 15 knots after
midnight. waves 1 to 3 feet. 
.wednesday...west winds 10 to 15 knots becoming southwest 5 to
10 knots late in the morning...then increasing to 10 to 15 knots
late in the evening. waves 1 to 3 feet. 
.thursday...south winds 10 to 15 knots. a chance of rain . waves
1 to 3 feet building to 2 to 4 feet. 
.friday...northwest winds 10 to 15 knots becoming northeast 15 to
20 knots early in the evening...then veering to the east by
midnight. a chance of rain early in the morning...then a chance
of rain and snow. waves 3 to 5 feet. 


$$

fzus63 kmkx 042031
glflm 
expires:202601050430;;790243

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
231 pm cst sun jan 4 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

30.2 inch high pressure is moving east of lake michigan this 
afternoon, resulting in light southerly winds. currently over the
northern great plains, 29.6 inch low pressure will move into the 
northern mississippi river valley this evening, resulting in 
increasing southerly winds across the waters. gusts between 25-30 
knots will be possible through daybreak monday. winds will veer 
southwesterly and eventually westerly monday morning as the 
aforementioned area of low pressure crosses the waters, gradually 
weakening in the process. rain-snow mix and freezing drizzle are 
forecast ahead of the approaching low tonight. winds will become 
light and variable monday afternoon as 29.9 inch high pressure 
moves across lake michigan.

southerly winds will become established monday night ahead of a new 
area of 29.6 inch low pressure forming in the northern great 
plains. the low will approach and ultimately cross lake michigan 
tuesday morning, resulting in a west-northwest wind shift by the 
afternoon hours. gales are not anticipated during the low's 
passage. additional rain and rain-snow mix are forecast tuesday in
affiliation with the low. west to southwest winds will prevail 
through wednesday afternoon, turning southerly wednesday night 
into thursday. a cold front will cross the waters thursday night, 
bringing north-northeast winds by friday morning. rain and snow 
will accompany the passing cold front thursday night through 
friday.


lmz261-362-364-366-563-565-567-868-050430-
lake michigan from seul choix point to rock island passage 5 nm
offshore to mid lake-
lake michigan south of a line from seul choix point to the
mackinac bridge and north of a line from charlevoix mi to south
fox island 5 nm offshore-
lake michigan from charlevoix to point betsie mi 5 nm offshore to
mid lake-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
231 pm cst sun jan 4 2026

sheboygan wi to pentwater mi north...

.tonight...south winds 15 to 25 kt becoming southwest. snow with
a chance of light freezing drizzle this evening, then chance of
snow, rain and light freezing drizzle overnight. waves 3 to 5 ft
building to 4 to 7 ft occasionally to 9 ft. 
.monday...west winds 10 to 15 kt becoming southwest 5 to 10 kt.
slight chance of light freezing drizzle in the morning. waves
4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.monday night...south winds 5 to 10 kt. waves 1 to 3 ft. 
.tuesday...southeast winds 10 to 15 kt becoming south. rain
likely with a chance of light freezing rain in the morning, then
chance of rain and snow in the afternoon. waves 1 to 2 ft. 
.tuesday night...west winds 10 to 15 kt. waves 1 to 3 ft. 
.wednesday...west winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 3 ft. 
.wednesday night...south winds 10 to 15 kt. waves 2 to 4 ft.
.thursday...south winds 10 to 20 kt becoming southwest. waves
2 to 4 ft. 
.friday...north winds 10 to 20 kt becoming northeast. chance of
rain. waves 2 to 4 ft.  

$$

fzus63 kmkx 042031
glflm 
expires:202601050430;;790244

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
231 pm cst sun jan 4 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

30.2 inch high pressure is moving east of lake michigan this 
afternoon, resulting in light southerly winds. currently over the
northern great plains, 29.6 inch low pressure will move into the 
northern mississippi river valley this evening, resulting in 
increasing southerly winds across the waters. gusts between 25-30 
knots will be possible through daybreak monday. winds will veer 
southwesterly and eventually westerly monday morning as the 
aforementioned area of low pressure crosses the waters, gradually 
weakening in the process. rain-snow mix and freezing drizzle are 
forecast ahead of the approaching low tonight. winds will become 
light and variable monday afternoon as 29.9 inch high pressure 
moves across lake michigan.

southerly winds will become established monday night ahead of a new 
area of 29.6 inch low pressure forming in the northern great 
plains. the low will approach and ultimately cross lake michigan 
tuesday morning, resulting in a west-northwest wind shift by the 
afternoon hours. gales are not anticipated during the low's 
passage. additional rain and rain-snow mix are forecast tuesday in
affiliation with the low. west to southwest winds will prevail 
through wednesday afternoon, turning southerly wednesday night 
into thursday. a cold front will cross the waters thursday night, 
bringing north-northeast winds by friday morning. rain and snow 
will accompany the passing cold front thursday night through 
friday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-050430-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
231 pm cst sun jan 4 2026

sheboygan wi to pentwater mi south...

.tonight...south winds 15 to 25 kt becoming southwest to 30 kt.
chance of rain, snow and slight chance of light freezing rain
this evening, then slight chance of light freezing rain
overnight. waves 3 to 5 ft building to 4 to 7 ft occasionally to
9 ft. 
.monday...southwest winds 10 to 20 kt diminishing to 5 to 10 kt.
waves 4 to 6 ft occasionally to 8 ft subsiding to 1 to 3 ft. 
.monday night...south winds 5 to 10 kt becoming southeast 10 to
15 kt. waves 1 to 3 ft. 
.tuesday...south winds 10 to 15 kt becoming southwest. rain
likely in the morning, then chance of rain in the afternoon.
waves 1 to 3 ft. 
.tuesday night...west winds 10 to 15 kt. waves 1 to 3 ft. 
.wednesday...west winds 10 to 15 kt becoming southwest. waves
1 to 3 ft. 
.wednesday night...south winds 10 to 15 kt. waves 2 to 4 ft.
.thursday...south winds 10 to 20 kt becoming west. chance of
rain. waves 2 to 4 ft. 
.friday...northeast winds 10 to 20 kt. chance of rain. waves 4 to
6 ft occasionally to 8 ft.  

$$

fzus63 kmqt 042101
glfls 
expires:202601050900;;791374

open lake forecast for lake superior
national weather service marquette mi
400 pm est sun jan 4 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.6 inch low over the northern plains this afternoon diminishes 
to 29.8 inches as it arrives over the upper great lakes monday 
morning. by midday monday another 29.6 inch low develops over the 
central plains. the low then moves into lake michigan tuesday, 
reaching southern ontario tuesday evening as it deepens to 29.5 
inches. weak ridging of around 29.8 inches then moves over lake 
superior on wednesday ahead of a 29.6 inch low arriving over 
northern ontario thursday morning. this low brings a trough across 
the lake thursday before escaping to the east by friday morning, 
replaced by a 30.0 inch ridge.



lsz264-050900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm est sun jan 4 2026

.late this afternoon...south winds 5 to 15 knots. a chance of
snow showers. waves calm to 2 feet. 
.tonight...south winds 10 to 20 knots increasing to 15 to
25 knots by midnight, then becoming southwest 5 to 15 knots late.
snow showers in the evening, then a chance of snow showers after
midnight. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 1 to 3 feet. 
.monday...north winds 5 to 15 knots backing southwest by late
morning, then veering west by mid afternoon. waves subsiding to
calm to 2 feet. 
.monday night...southwest winds 5 to 15 knots. waves calm to
2 feet. 
.tuesday...southwest winds 5 to 15 knots veering west in the
afternoon. a slight chance of rain and snow showers in the
afternoon. waves calm to 2 feet. 
.tuesday night...west winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots. waves building to
1 to 3 feet. 
.wednesday night...southwest winds 5 to 15 knots. waves subsiding
to calm to 2 feet. 
.thursday...west winds 10 to 20 knots becoming northwest 5 to
15 knots. waves building to 1 to 3 feet. 
.friday...north winds 10 to 20 knots increasing to 15 to
25 knots. waves building to 4 to 7 feet occasionally to 9 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 042101
glfls 
expires:202601050900;;791375

open lake forecast for lake superior
national weather service marquette mi
400 pm est sun jan 4 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.6 inch low over the northern plains this afternoon diminishes 
to 29.8 inches as it arrives over the upper great lakes monday 
morning. by midday monday another 29.6 inch low develops over the 
central plains. the low then moves into lake michigan tuesday, 
reaching southern ontario tuesday evening as it deepens to 29.5 
inches. weak ridging of around 29.8 inches then moves over lake 
superior on wednesday ahead of a 29.6 inch low arriving over 
northern ontario thursday morning. this low brings a trough across 
the lake thursday before escaping to the east by friday morning, 
replaced by a 30.0 inch ridge.



lsz265-050900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm est sun jan 4 2026

.late this afternoon...south winds 10 to 20 knots. a slight
chance of snow showers. waves calm to 2 feet. 
.tonight...south winds 15 to 25 knots diminishing to 10 to
20 knots by midnight, then veering west late. snow showers in the
evening, then a chance of snow showers after midnight. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
calm to 2 feet. 
.monday...west winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...south winds 5 to 15 knots veering southwest by
midnight. waves calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots becoming west 10 to
20 knots in the afternoon. a slight chance of freezing rain in
the morning. a slight chance of rain and snow showers. waves calm
to 2 feet. 
.tuesday night...west winds 10 to 20 knots. waves calm to 2 feet.
.wednesday...southwest winds 10 to 20 knots. waves calm to
2 feet. 
.wednesday night...south winds 10 to 20 knots veering southwest
after midnight. waves calm to 2 feet. 
.thursday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves calm to 2 feet. 
.friday...northwest winds 15 to 25 knots becoming north 20 to
30 knots. a chance of snow showers. waves building to 4 to 7 feet
occasionally to 9 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 042101
glfls 
expires:202601050900;;791372

open lake forecast for lake superior
national weather service marquette mi
400 pm est sun jan 4 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.6 inch low over the northern plains this afternoon diminishes 
to 29.8 inches as it arrives over the upper great lakes monday 
morning. by midday monday another 29.6 inch low develops over the 
central plains. the low then moves into lake michigan tuesday, 
reaching southern ontario tuesday evening as it deepens to 29.5 
inches. weak ridging of around 29.8 inches then moves over lake 
superior on wednesday ahead of a 29.6 inch low arriving over 
northern ontario thursday morning. this low brings a trough across 
the lake thursday before escaping to the east by friday morning, 
replaced by a 30.0 inch ridge.



lsz162-050900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est sun jan 4 2026 /300 pm cst sun jan 4 2026/

.late this afternoon...southeast winds 10 to 20 knots. snow
showers. waves calm to 2 feet. 
.tonight...southeast winds 10 to 20 knots becoming south 5 to
15 knots by midnight, then veering west late. snow showers in the
evening. waves building to 1 to 3 feet, then subsiding to calm to
2 feet. 
.monday...northeast winds 5 to 15 knots veering southwest. waves
calm to 2 feet. 
.monday night...south winds 5 to 15 knots veering west late.
waves calm to 2 feet. 
.tuesday...west winds 5 to 15 knots. a slight chance of rain
showers and freezing rain in the morning. a slight chance of snow
showers. waves calm to 2 feet. 
.tuesday night...west winds 10 to 20 knots. waves calm to 2 feet.
.wednesday...southwest winds 10 to 20 knots. waves calm to
2 feet. 
.wednesday night...southwest winds 10 to 20 knots. waves calm to
2 feet. 
.thursday...west winds 10 to 20 knots veering northwest. waves
calm to 2 feet. 
.friday...west winds 10 to 20 knots becoming north 15 to
25 knots. waves building to 2 to 4 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 042101
glfls 
expires:202601050900;;791377

open lake forecast for lake superior
national weather service marquette mi
400 pm est sun jan 4 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.6 inch low over the northern plains this afternoon diminishes 
to 29.8 inches as it arrives over the upper great lakes monday 
morning. by midday monday another 29.6 inch low develops over the 
central plains. the low then moves into lake michigan tuesday, 
reaching southern ontario tuesday evening as it deepens to 29.5 
inches. weak ridging of around 29.8 inches then moves over lake 
superior on wednesday ahead of a 29.6 inch low arriving over 
northern ontario thursday morning. this low brings a trough across 
the lake thursday before escaping to the east by friday morning, 
replaced by a 30.0 inch ridge.



lsz267-050900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm est sun jan 4 2026

.late this afternoon...southwest winds 10 to 20 knots. a slight
chance of snow showers. waves 1 to 3 feet subsiding to calm to
2 feet. 
.tonight...south winds 15 to 25 knots backing southeast late.
snow showers. waves building to 2 to 4 feet. 
.monday...southeast winds 10 to 20 knots veering south. waves
subsiding to calm to 2 feet. 
.monday night...south winds 10 to 20 knots. waves calm to 2 feet.
.tuesday...south winds 10 to 20 knots. a slight chance of
freezing rain in the morning. a chance of snow showers. a chance
of rain showers in the afternoon. waves calm to 2 feet. 
.tuesday night...west winds 10 to 20 knots. waves building to
1 to 3 feet. 
.wednesday...west winds 10 to 20 knots backing southwest in the
afternoon. waves 1 to 3 feet. 
.wednesday night...south winds 10 to 20 knots. waves 1 to 3 feet.
.thursday...south winds 15 to 25 knots becoming northwest 10 to
20 knots. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 
.friday...north winds 15 to 25 knots veering east. a chance of
rain and snow showers. waves building to 3 to 5 feet occasionally
to 7 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 042101
glfls 
expires:202601050900;;791376

open lake forecast for lake superior
national weather service marquette mi
400 pm est sun jan 4 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.6 inch low over the northern plains this afternoon diminishes 
to 29.8 inches as it arrives over the upper great lakes monday 
morning. by midday monday another 29.6 inch low develops over the 
central plains. the low then moves into lake michigan tuesday, 
reaching southern ontario tuesday evening as it deepens to 29.5 
inches. weak ridging of around 29.8 inches then moves over lake 
superior on wednesday ahead of a 29.6 inch low arriving over 
northern ontario thursday morning. this low brings a trough across 
the lake thursday before escaping to the east by friday morning, 
replaced by a 30.0 inch ridge.



lsz266-050900-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
400 pm est sun jan 4 2026

.late this afternoon...south winds 10 to 20 knots. a slight
chance of snow showers. waves 1 to 3 feet subsiding to calm to
2 feet. 
.tonight...south winds 15 to 25 knots diminishing to 10 to
20 knots late. snow showers in the evening, then a chance of snow
showers after midnight. waves building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 2 to 4 feet. 
.monday...south winds 5 to 15 knots veering southwest by mid
afternoon. waves subsiding to calm to 2 feet. 
.monday night...south winds 10 to 20 knots diminishing to 5 to
15 knots late. waves calm to 2 feet. 
.tuesday...south winds 5 to 15 knots becoming west 10 to 20 knots
in the afternoon. a slight chance of freezing rain in the
morning. a chance of snow showers. a slight chance of rain
showers in the afternoon. waves calm to 2 feet. 
.tuesday night...northwest winds 10 to 20 knots backing west
after midnight. waves building to 1 to 3 feet. 
.wednesday...west winds 10 to 20 knots backing southwest in the
afternoon. waves 1 to 3 feet. 
.wednesday night...south winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves building to 2 to 4 feet. 
.thursday...west winds 10 to 20 knots veering northwest. waves
subsiding to 1 to 3 feet. 
.friday...north winds 15 to 25 knots veering east. a chance of
snow showers, possibly mixed with rain. waves building to 5 to
8 feet occasionally to 10 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 042101
glfls 
expires:202601050900;;791373

open lake forecast for lake superior
national weather service marquette mi
400 pm est sun jan 4 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.6 inch low over the northern plains this afternoon diminishes 
to 29.8 inches as it arrives over the upper great lakes monday 
morning. by midday monday another 29.6 inch low develops over the 
central plains. the low then moves into lake michigan tuesday, 
reaching southern ontario tuesday evening as it deepens to 29.5 
inches. weak ridging of around 29.8 inches then moves over lake 
superior on wednesday ahead of a 29.6 inch low arriving over 
northern ontario thursday morning. this low brings a trough across 
the lake thursday before escaping to the east by friday morning, 
replaced by a 30.0 inch ridge.



lsz263-050900-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
400 pm est sun jan 4 2026

.late this afternoon...southeast winds 5 to 15 knots. snow
showers. waves calm to 2 feet. 
.tonight...southeast winds 10 to 20 knots veering south by
midnight, then becoming southwest 5 to 15 knots late. snow
showers in the evening, then a slight chance of snow showers
after midnight. waves building to 1 to 3 feet, then subsiding to
calm to 2 feet. 
.monday...northeast winds 5 to 15 knots veering southwest. waves
calm to 2 feet. 
.monday night...southwest winds 5 to 15 knots diminishing to less
than 10 knots by midnight. waves calm to 2 feet. 
.tuesday...west winds 5 to 15 knots. a slight chance of rain and
snow showers. waves calm to 2 feet. 
.tuesday night...west winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves building to 1 to 3 feet, then
subsiding to calm to 2 feet. 
.wednesday night...southwest winds 5 to 15 knots. waves calm to
2 feet. 
.thursday...west winds 5 to 15 knots veering northwest. waves
calm to 2 feet. 
.friday...north winds 10 to 20 knots increasing to 15 to
25 knots. waves building to 3 to 6 feet occasionally to 8 feet. 

note, wave height forecasts are for ice free areas.

$$