fzus61 kbuf 132102
glflo 
expires:202602140400;;579247

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est fri feb 13 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 move off the carolina coast 
tonight through saturday. meanwhile, a 29.7 inch low will move east 
across quebec tonight through saturday before reaching the canadian 
maritimes sunday. a 30.1 inch high in the wake of this system will 
build into quebec and the lower great lakes saturday night before 
building across new england sunday.


loz064-065-140400-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 pm est fri feb 13 2026

.tonight...southwest winds 10 to 15 knots becoming west. snow
showers this evening, then a chance of snow showers after
midnight. waves 1 to 3 feet building to 2 to 4 feet. 
.saturday...northwest winds 5 to 15 knots becoming west. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.saturday night...west winds 10 knots or less becoming east.
waves 2 feet or less. 
.sunday...southeast winds 5 to 10 knots. waves 1 foot or less. 
.sunday night...southeast winds 5 to 10 knots becoming south.
waves 1 foot or less. 
.monday...south winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.tuesday...southwest winds 5 to 10 knots becoming northeast.
waves 2 feet or less. 
.wednesday...northeast winds 10 to 15 knots increasing to 15 to
20 knots. rain and snow likely. waves 1 to 3 feet building to
2 to 4 feet. 

$$

fzus61 kbuf 132102
glflo 
expires:202602140400;;579246

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est fri feb 13 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 move off the carolina coast 
tonight through saturday. meanwhile, a 29.7 inch low will move east 
across quebec tonight through saturday before reaching the canadian 
maritimes sunday. a 30.1 inch high in the wake of this system will 
build into quebec and the lower great lakes saturday night before 
building across new england sunday.


loz062-063-140400-
lake ontario open waters from the niagara river to sodus bay-
402 pm est fri feb 13 2026

.tonight...southwest winds 15 to 20 knots becoming west. snow
showers this evening, then a chance of snow showers after
midnight. waves 3 to 5 feet. 
.saturday...northwest winds 5 to 15 knots becoming west. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.saturday night...west winds 10 knots or less becoming southeast.
waves 2 feet or less. 
.sunday...southeast winds 5 to 10 knots becoming east. waves
1 foot or less. 
.sunday night...southeast winds 5 to 10 knots becoming southwest.
waves 1 foot or less. 
.monday...southwest winds 5 to 10 knots. waves 2 feet or less. 
.tuesday...west winds 5 to 15 knots becoming northeast. a chance
of rain and snow tuesday night. waves 1 to 2 feet. 
.wednesday...east winds 15 to 25 knots becoming northeast. rain
and snow likely. waves 3 to 5 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 

$$

fzus61 kcle 131947
glfle 
expires:202602140315;;576552

open lake forecast for lake erie
national weather service cleveland oh
247 pm est fri feb 13 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 30.30 inches over the ohio valley will slowly build
eastward into the weekend. low pressure 29.70 inches will move 
south of the ohio valley saturday into sunday, followed by high 
pressure 30.10 inches building into the region on monday.


lez162>164-140315-
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-
247 pm est fri feb 13 2026

.tonight...southwest winds 5 to 15 knots becoming west. the lake
is mostly ice covered.
.saturday...west winds 5 to 10 knots becoming light and variable.
.saturday night...east winds less than 10 knots becoming south. 
.sunday...south winds less than 10 knots becoming southwest. 
.sunday night...west winds less than 10 knots. 
.monday...south winds 5 to 10 knots becoming southwest. 
.tuesday...southwest winds 5 to 15 knots becoming southeast 15 to
20 knots. 
.wednesday...southeast winds 15 to 25 knots becoming northwest.
rain likely during the day, then a chance of rain wednesday
night. 

waves omitted due to the lake being mostly ice covered.

$$

fzus61 kcle 131947
glfle 
expires:202602140315;;576553

open lake forecast for lake erie
national weather service cleveland oh
247 pm est fri feb 13 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 30.30 inches over the ohio valley will slowly build
eastward into the weekend. low pressure 29.70 inches will move 
south of the ohio valley saturday into sunday, followed by high 
pressure 30.10 inches building into the region on monday.


lez061-165>169-140315-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
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-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-
247 pm est fri feb 13 2026

.tonight...southwest winds 10 to 15 knots becoming west. a slight
chance of snow showers. the lake is mostly ice covered.
.saturday...west winds 10 knots or less becoming southwest. 
.saturday night...light and variable winds. 
.sunday...southeast winds less than 10 knots becoming southwest. 
.sunday night...southwest winds less than 10 knots. 
.monday...south winds 5 to 10 knots becoming southwest. 
.tuesday...southwest winds 10 knots or less becoming east and
increasing to 15 to 20 knots. a chance of rain and snow tuesday
night. 
.wednesday...southeast winds 15 to 25 knots becoming north. rain
and snow likely during the day, then a chance of rain and snow
wednesday night. 

waves omitted due to the lake being mostly ice covered.

$$

fzus63 kdtx 132034
glflh 
expires:202602140500;;578329

open lake forecast for lake huron
national weather service detroit/pontiac mi
334 pm est fri feb 13 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...a clipper system over lake huron will depart east this
evening with high pressure taking over through saturday.
additional clippers are expected to pass through the northern
great lakes on sunday and monday, though the gradient will remain
relatively weak through this period. a more active storm track
will target the region during the middle of next week.


lhz462>464-140500-
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-
334 pm est fri feb 13 2026

.rest of today...south winds 10 to 15 knots. 
.tonight...southwest winds 10 to 15 knots veering to the west by
midnight...then becoming northwest 5 to 10 knots early in the
morning. 
.saturday...northwest winds 5 to 10 knots early in the morning
becoming light and variable. 
.saturday night...southeast winds 5 to 10 knots. 
.sunday...south winds 5 to 10 knots. 
.monday...southwest winds 5 to 10 knots becoming south 10 to
15 knots until early evening...then becoming southwest 5 to
10 knots by midnight. 
.tuesday...west winds 5 to 10 knots veering to the north until
early evening...then becoming east 10 to 15 knots by midnight. a
chance of. 

waves omitted due to ice coverage.

$$

fzus63 kdtx 132034
glflh 
expires:202602140500;;578327

open lake forecast for lake huron
national weather service detroit/pontiac mi
334 pm est fri feb 13 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...a clipper system over lake huron will depart east this
evening with high pressure taking over through saturday.
additional clippers are expected to pass through the northern
great lakes on sunday and monday, though the gradient will remain
relatively weak through this period. a more active storm track
will target the region during the middle of next week.


lhz361-140500-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
334 pm est fri feb 13 2026

.rest of today...west winds 10 to 15 knots. waves 2 to 4 feet. 
.tonight...west winds 10 to 15 knots becoming northwest 5 to
10 knots after midnight. waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight. 
.saturday...northwest winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 feet or less. 
.saturday night...southeast winds 5 to 10 knots. waves 2 feet or
less. 
.sunday...south winds 5 to 10 knots veering to the southwest late
in the afternoon. waves 2 feet or less. 
.monday...south winds 5 to 10 knots becoming southwest 10 to
15 knots early in the evening...then becoming west 5 to 10 knots
by midnight. waves 1 to 3 feet. 
.tuesday...northwest winds 5 to 10 knots becoming northeast 15 to
20 knots by midnight. a chance of. waves 2 feet or less building
to 4 to 6 feet by midnight. waves occasionally around 8 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 132034
glfsc 
expires:202602140500;;578332

lake st clair forecast
national weather service detroit/pontiac mi
334 pm est fri feb 13 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...a clipper system over lake huron will depart east this
evening with high pressure taking over through saturday.
additional clippers are expected to pass through the northern
great lakes on sunday and monday, though the gradient will remain
relatively weak through this period. a more active storm track
will target the region during the middle of next week.


lcz460-140500-
lake st clair-
334 pm est fri feb 13 2026

.rest of today...southwest winds 10 to 15 knots. sunny.
.tonight...southwest winds 10 to 15 knots becoming northwest 5 to 10
knots early in the morning. mostly clear.
.saturday...light and variable winds. partly sunny.
.saturday night...light and variable winds. partly cloudy early in
the evening becoming mostly cloudy.
.sunday...south winds 5 to 10 knots in the morning becoming light
and variable. partly cloudy then clearing.
.monday...southwest winds 5 to 10 knots. partly cloudy.
.tuesday...east winds 10 to 15 knots. mostly cloudy.

waves omitted due to ice coverage.

$$

fzus63 kdtx 132034
glflh 
expires:202602140500;;578328

open lake forecast for lake huron
national weather service detroit/pontiac mi
334 pm est fri feb 13 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...a clipper system over lake huron will depart east this
evening with high pressure taking over through saturday.
additional clippers are expected to pass through the northern
great lakes on sunday and monday, though the gradient will remain
relatively weak through this period. a more active storm track
will target the region during the middle of next week.


lhz362-363-140500-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
334 pm est fri feb 13 2026

.rest of today...southwest winds 15 to 20 knots. waves 3 to
5 feet. 
.tonight...southwest winds 10 to 15 knots veering to the west
after midnight...then becoming northwest 5 to 10 knots early in
the morning. waves 2 to 4 feet subsiding to 1 to 3 feet early in
the morning. 
.saturday...northwest winds 5 to 10 knots early in the morning
becoming light and variable. waves 1 to 3 feet. 
.saturday night...south winds 5 to 10 knots. waves 2 feet or
less. 
.sunday...south winds 10 to 15 knots becoming southwest 5 to
10 knots late in the afternoon. waves 1 to 3 feet. 
.monday...south winds 5 to 10 knots becoming southwest 10 to
15 knots. waves 2 feet or less building to 2 to 4 feet until
early evening...then subsiding to 1 to 3 feet by midnight. 
.tuesday...northwest winds 5 to 10 knots becoming north 10 to
15 knots early in the evening...then becoming northeast 15 to
20 knots by midnight. a chance of rain and snow by midnight.
waves 1 to 3 feet building to 4 to 6 feet by midnight. waves
occasionally around 8 feet. 

wave heights are for ice free areas.

$$

fzus63 kmkx 132040
glflm 
expires:202602140415;;578635

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
240 pm cst fri feb 13 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...

southwest winds should linger into early evening, as low pressure
around 29.7 inches moves east across central quebec. winds will 
weaken and become light and variable by later tonight into 
saturday, as high pressure around 30.2 inches moves through the 
region. winds will become south to southeast saturday, then 
southwest saturday night ahead of a weak cold front. the front 
will move across the open waters sunday morning, bringing a brief 
west to northwest wind shift sunday afternoon. winds will shift 
back to the south southwest sunday night into monday.

strong low pressure around 29.3 inches will develop over the 
north central great plains tuesday, resulting in increasing 
easterly winds. winds will increase and become gusty tuesday night
into wednesday, as the low approaches and eventually moves across
lake michigan. the low will weaken east of the lake wednesday 
afternoon and night, with gusty east to northeast winds lingering.
a few gale force gusts are possible tuesday night into wednesday 
morning.

another low around 29.6 inches moving northeast through the great
lakes region later next week may bring another round of gusty 
winds to lake michigan.


lmz261-362-364-366-563-565-567-868-140415-
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-
240 pm cst fri feb 13 2026

sheboygan wi to pentwater mi north...

.tonight...northwest winds 10 to 15 kt becoming north 5 to 10 kt,
then becoming northeast late. waves 2 to 4 ft subsiding to 1 to
3 ft. 
.saturday...east winds 5 to 10 kt veering to south. waves 1 to
2 ft. 
.saturday night...south winds 5 to 10 kt becoming southwest 10 to
15 kt. waves 1 to 3 ft. 
.sunday...west winds 10 to 15 kt diminishing to 5 to 10 kt. waves
1 to 3 ft. 
.sunday night...south winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft building to 1 to 3 ft. 
.monday...southwest winds 10 to 20 kt. waves 2 to 4 ft. 
.monday night...northwest winds 10 to 15 kt becoming north. waves
2 to 4 ft. 
.tuesday...northeast winds 10 to 20 kt. waves 1 to 3 ft building
to 3 to 5 ft. 
.wednesday...east winds to 30 kt. rain likely with a chance of
snow. waves 8 to 11 ft occasionally to 14 ft.  

$$

fzus63 kmkx 132040
glflm 
expires:202602140415;;578636

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
240 pm cst fri feb 13 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...

southwest winds should linger into early evening, as low pressure
around 29.7 inches moves east across central quebec. winds will 
weaken and become light and variable by later tonight into 
saturday, as high pressure around 30.2 inches moves through the 
region. winds will become south to southeast saturday, then 
southwest saturday night ahead of a weak cold front. the front 
will move across the open waters sunday morning, bringing a brief 
west to northwest wind shift sunday afternoon. winds will shift 
back to the south southwest sunday night into monday.

strong low pressure around 29.3 inches will develop over the 
north central great plains tuesday, resulting in increasing 
easterly winds. winds will increase and become gusty tuesday night
into wednesday, as the low approaches and eventually moves across
lake michigan. the low will weaken east of the lake wednesday 
afternoon and night, with gusty east to northeast winds lingering.
a few gale force gusts are possible tuesday night into wednesday 
morning.

another low around 29.6 inches moving northeast through the great
lakes region later next week may bring another round of gusty 
winds to lake michigan.


lmz080-669-671-673-675-777-779-870-872-874-876-878-140415-
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-
240 pm cst fri feb 13 2026

sheboygan wi to pentwater mi south...

.tonight...southwest winds 10 to 15 kt becoming west 5 to 10 kt
late this evening, then becoming northwest after midnight veering
to northeast late. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.saturday...southeast winds 5 to 10 kt. waves 1 to 2 ft. 
.saturday night...southeast winds 5 to 10 kt becoming southwest.
waves 1 to 2 ft. 
.sunday...southwest winds 5 to 10 kt becoming west. waves 1 to
2 ft. 
.sunday night...south winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft. 
.monday...southwest winds 10 to 20 kt. waves 2 to 4 ft. 
.monday night...southwest winds 10 to 15 kt becoming west. waves
2 to 4 ft. 
.tuesday...east winds 10 to 20 kt. waves 2 to 4 ft building to
3 to 5 ft. 
.wednesday...southeast winds to 30 kt becoming south. chance of
rain and snow. waves 8 to 12 ft occasionally to 16 ft.  

$$

fzus63 kmqt 132101
glfls 
expires:202602140900;;579127

open lake forecast for lake superior
national weather service marquette mi
400 pm est fri feb 13 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 29.9 inch trough draped over eastern lake superior this afternoon 
will slide eastward into ontario tonight. high pressure then builds 
back to 30.1 inches over the great lakes by saturday morning before 
a weak 29.9 inch trough moves into the upper great lakes saturday 
evening. this will be followed by weak 30.0 inch riding sunday ahead 
of a deeper 29.8 inch trough moving over the lake monday. ridging 
builds to 30.2 inches over the lake tuesday, giving way to height 
falls into the middle of the week as a 29.3 inch low lifts off of the 
central rockies.



lsz267-140900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm est fri feb 13 2026

.late this afternoon...northwest winds 15 to 25 knots. waves 3 to
6 feet occasionally to 8 feet. 
.tonight...northwest winds 10 to 20 knots becoming north 5 to
15 knots by midnight, then backing west late. waves subsiding to
calm to 2 feet. 
.saturday...south winds 5 to 15 knots increasing to 10 to
20 knots. waves calm to 2 feet. 
.saturday night...south winds 10 to 20 knots. waves building to
1 to 3 feet, then subsiding to calm to 2 feet. 
.sunday...west winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...south winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 1 to 3 feet. 
.monday...southwest winds 15 to 25 knots veering west in the
afternoon. waves building to 2 to 4 feet. 
.monday night...west winds 10 to 20 knots veering northwest after
midnight. waves subsiding to 1 to 3 feet, then building to 2 to
4 feet. 
.tuesday...north winds 10 to 20 knots becoming east gales to
35 knots. waves subsiding to 1 to 3 feet, then building to 3 to
5 feet occasionally to 7 feet. 
.wednesday...east gales to 35 knots diminishing to 20 to
30 knots. a chance of snow showers. waves building to 3 to 6 feet
occasionally to 8 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 132101
glfls 
expires:202602140900;;579122

open lake forecast for lake superior
national weather service marquette mi
400 pm est fri feb 13 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 29.9 inch trough draped over eastern lake superior this afternoon 
will slide eastward into ontario tonight. high pressure then builds 
back to 30.1 inches over the great lakes by saturday morning before 
a weak 29.9 inch trough moves into the upper great lakes saturday 
evening. this will be followed by weak 30.0 inch riding sunday ahead 
of a deeper 29.8 inch trough moving over the lake monday. ridging 
builds to 30.2 inches over the lake tuesday, giving way to height 
falls into the middle of the week as a 29.3 inch low lifts off of the 
central rockies.



lsz162-140900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est fri feb 13 2026 /300 pm cst fri feb 13 2026/

.late this afternoon...west winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...west winds 5 to 15 knots veering northeast by
midnight, then veering southeast late. patchy fog after midnight.
waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots veering southwest. patchy
fog. waves calm to 2 feet. 
.saturday night...west winds 5 to 15 knots. waves calm to 2 feet.
.sunday...west winds 5 to 15 knots backing southwest in the
afternoon. waves calm to 2 feet. 
.sunday night...southwest winds 5 to 15 knots. waves calm to
2 feet. 
.monday...west winds 5 to 15 knots increasing to 10 to 20 knots
in the afternoon. waves calm to 2 feet. 
.monday night...west winds 5 to 15 knots becoming north 10 to
20 knots after midnight. waves calm to 2 feet. 
.tuesday...northeast winds 15 to 25 knots becoming east gales to
40 knots. a chance of snow showers. waves calm to 2 feet. 
.wednesday...northeast gales to 40 knots becoming east 20 to
30 knots. a chance of snow showers. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 132101
glfls 
expires:202602140900;;579123

open lake forecast for lake superior
national weather service marquette mi
400 pm est fri feb 13 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 29.9 inch trough draped over eastern lake superior this afternoon 
will slide eastward into ontario tonight. high pressure then builds 
back to 30.1 inches over the great lakes by saturday morning before 
a weak 29.9 inch trough moves into the upper great lakes saturday 
evening. this will be followed by weak 30.0 inch riding sunday ahead 
of a deeper 29.8 inch trough moving over the lake monday. ridging 
builds to 30.2 inches over the lake tuesday, giving way to height 
falls into the middle of the week as a 29.3 inch low lifts off of the 
central rockies.



lsz263-140900-
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 fri feb 13 2026

.late this afternoon...west winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...northwest winds less than 10 knots backing south by
midnight. patchy dense fog. waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots veering southwest. patchy
fog. waves calm to 2 feet. 
.saturday night...west winds less than 10 knots. waves calm to
2 feet. 
.sunday...west winds less than 10 knots becoming southwest 5 to
15 knots in the afternoon. waves calm to 2 feet. 
.sunday night...south winds 5 to 15 knots veering southwest after
midnight. waves calm to 2 feet. 
.monday...west winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...west winds 5 to 15 knots veering northwest after
midnight. waves calm to 2 feet. 
.tuesday...northeast winds 10 to 20 knots becoming east gales to
40 knots. waves building to 5 to 8 feet occasionally to 10 feet. 
.wednesday...east gales to 35 knots. a chance of snow showers.
waves building to 5 to 9 feet occasionally to 11 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 132101
glfls 
expires:202602140900;;579124

open lake forecast for lake superior
national weather service marquette mi
400 pm est fri feb 13 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 29.9 inch trough draped over eastern lake superior this afternoon 
will slide eastward into ontario tonight. high pressure then builds 
back to 30.1 inches over the great lakes by saturday morning before 
a weak 29.9 inch trough moves into the upper great lakes saturday 
evening. this will be followed by weak 30.0 inch riding sunday ahead 
of a deeper 29.8 inch trough moving over the lake monday. ridging 
builds to 30.2 inches over the lake tuesday, giving way to height 
falls into the middle of the week as a 29.3 inch low lifts off of the 
central rockies.



lsz264-140900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm est fri feb 13 2026

.late this afternoon...northwest winds 5 to 15 knots. waves 1 to
3 feet. 
.tonight...northwest winds 5 to 15 knots veering north by
midnight, then becoming southwest less than 10 knots late. waves
subsiding to calm to 2 feet. 
.saturday...south winds 5 to 15 knots. waves calm to 2 feet. 
.saturday night...west winds 5 to 15 knots veering northwest by
midnight. waves calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet. 
.sunday night...south winds 5 to 15 knots veering southwest after
midnight. waves calm to 2 feet. 
.monday...west winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...west winds 5 to 15 knots veering northwest after
midnight. waves building to 1 to 3 feet. 
.tuesday...northeast winds 10 to 20 knots becoming east gales to
40 knots. waves building to 5 to 8 feet occasionally to 10 feet. 
.wednesday...east gales to 40 knots diminishing to 20 to
30 knots. a chance of snow showers. waves building to 5 to 9 feet
occasionally to 11 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 132101
glfls 
expires:202602140900;;579125

open lake forecast for lake superior
national weather service marquette mi
400 pm est fri feb 13 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 29.9 inch trough draped over eastern lake superior this afternoon 
will slide eastward into ontario tonight. high pressure then builds 
back to 30.1 inches over the great lakes by saturday morning before 
a weak 29.9 inch trough moves into the upper great lakes saturday 
evening. this will be followed by weak 30.0 inch riding sunday ahead 
of a deeper 29.8 inch trough moving over the lake monday. ridging 
builds to 30.2 inches over the lake tuesday, giving way to height 
falls into the middle of the week as a 29.3 inch low lifts off of the 
central rockies.



lsz265-140900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm est fri feb 13 2026

.late this afternoon...northwest winds 10 to 20 knots. waves calm
to 2 feet. 
.tonight...northwest winds 5 to 15 knots backing southwest late.
waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots increasing to 10 to
20 knots. waves calm to 2 feet. 
.saturday night...south winds 10 to 20 knots veering west by
midnight. waves calm to 2 feet. 
.sunday...northwest winds 10 to 20 knots backing west in the
afternoon. waves calm to 2 feet. 
.sunday night...south winds 10 to 20 knots veering southwest
after midnight. waves calm to 2 feet. 
.monday...west winds 10 to 20 knots increasing to 15 to 25 knots
in the afternoon. waves calm to 2 feet. 
.monday night...west winds 10 to 20 knots veering northwest after
midnight. waves calm to 2 feet. 
.tuesday...north winds 15 to 25 knots becoming east gales to
40 knots. a chance of snow showers. waves building to 5 to 8 feet
occasionally to 10 feet. 
.wednesday...east gales to 40 knots diminishing to 20 to
30 knots. a chance of snow showers. waves building to 6 to 9 feet
occasionally to 11 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 132101
glfls 
expires:202602140900;;579126

open lake forecast for lake superior
national weather service marquette mi
400 pm est fri feb 13 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 29.9 inch trough draped over eastern lake superior this afternoon 
will slide eastward into ontario tonight. high pressure then builds 
back to 30.1 inches over the great lakes by saturday morning before 
a weak 29.9 inch trough moves into the upper great lakes saturday 
evening. this will be followed by weak 30.0 inch riding sunday ahead 
of a deeper 29.8 inch trough moving over the lake monday. ridging 
builds to 30.2 inches over the lake tuesday, giving way to height 
falls into the middle of the week as a 29.3 inch low lifts off of the 
central rockies.



lsz266-140900-
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 fri feb 13 2026

.late this afternoon...northwest winds 15 to 25 knots. waves 3 to
6 feet occasionally to 8 feet. 
.tonight...northwest winds 10 to 20 knots becoming north 5 to
15 knots by midnight, then backing west late. waves subsiding to
calm to 2 feet. 
.saturday...south winds 5 to 15 knots increasing to 10 to
20 knots. waves building to 1 to 3 feet. 
.saturday night...south winds 10 to 20 knots veering west late.
waves subsiding to calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...south winds 5 to 15 knots increasing to 15 to
25 knots after midnight. waves building to 1 to 3 feet. 
.monday...southwest winds 15 to 25 knots veering west in the
afternoon. waves building to 2 to 4 feet. 
.monday night...northwest winds 10 to 20 knots. waves subsiding
to 1 to 3 feet, then building to 2 to 4 feet. 
.tuesday...north winds 10 to 20 knots becoming east gales to
40 knots. waves building to 5 to 8 feet occasionally to 10 feet. 
.wednesday...east gales to 40 knots. a chance of snow showers.
waves building to 5 to 9 feet occasionally to 11 feet. 

note, wave height forecasts are for ice free areas.

$$