fzus61 kbuf 210803
glflo 
expires:202603211500;;047843

open lake forecast for lake ontario
national weather service buffalo ny
403 am edt sat mar 21 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 30.1 inch high will build across the lake today. a 
29.6 inch low will then cross the lower great lakes sunday before 
sliding off the mid-atlantic coast monday. a 30.4 inch high is 
forecast to build across the upper great lakes monday, then move to 
the lower great lakes tuesday while strengthening to 30.5 inches. a 
29.8 inch low tracking across quebec will then push its associated 
cold front across the lake on wednesday.


loz062-211500-
lake ontario open waters from the niagara river to hamlin beach-
403 am edt sat mar 21 2026

.today...northwest winds 10 knots or less becoming east. waves
1 foot or less. 
.tonight...east winds 10 to 15 knots. a chance of rain and snow
early, then a chance of rain from late evening on. waves 1 to
2 feet building to 3 to 5 feet. 
.sunday...northeast winds 5 to 15 knots becoming north. rain
likely. waves 1 to 3 feet. 
.sunday night...northeast winds 10 to 15 knots increasing to
15 to 20 knots. a chance of rain and snow showers in the evening,
then a chance of snow showers overnight. waves 2 to 4 feet. 
.monday...north winds 15 to 20 knots diminishing to 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...west winds 5 to 15 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...northwest winds 15 to 20 knots becoming east. waves
3 to 5 feet subsiding to 2 to 4 feet. 

$$

fzus61 kbuf 210803
glflo 
expires:202603211500;;047844

open lake forecast for lake ontario
national weather service buffalo ny
403 am edt sat mar 21 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 30.1 inch high will build across the lake today. a 
29.6 inch low will then cross the lower great lakes sunday before 
sliding off the mid-atlantic coast monday. a 30.4 inch high is 
forecast to build across the upper great lakes monday, then move to 
the lower great lakes tuesday while strengthening to 30.5 inches. a 
29.8 inch low tracking across quebec will then push its associated 
cold front across the lake on wednesday.


loz063-064-211500-
lake ontario open waters from hamlin beach to mexico bay-
403 am edt sat mar 21 2026

.today...north winds 10 knots or less becoming northeast. waves
1 foot or less. 
.tonight...east winds 10 to 15 knots becoming southeast. a chance
of rain and snow late in the evening. a chance of rain after
midnight. waves 1 to 3 feet building to 2 to 4 feet. 
.sunday...east winds 10 to 15 knots becoming north. rain likely.
waves 1 to 3 feet. 
.sunday night...north winds 15 to 20 knots becoming northeast. a
chance of rain and snow showers in the evening, then a chance of
snow showers overnight. waves 2 to 4 feet building to 3 to
5 feet. 
.monday...north winds 15 to 20 knots diminishing to 5 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.tuesday...northwest winds 5 to 10 knots becoming west and
increasing to 15 to 20 knots. a chance of rain and snow showers
tuesday night. waves 2 feet or less building to 3 to 6 feet. 
.wednesday...northwest winds 15 to 25 knots becoming east. a
chance of rain and snow showers during the day. waves 4 to 7 feet
subsiding to 3 to 5 feet. waves occasionally around 9 feet. 

$$

fzus61 kcle 210742
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open lake forecast for lake erie
national weather service cleveland oh
342 am edt sat mar 21 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 30.00 inches today gives way to a warm front
tonight, followed by a strong cold front sunday. high pressure
30.40 inches builds in after sunday for monday night and tuesday.
another warm front arrives midweek.



lez162-163-211415-
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-
342 am edt sat mar 21 2026

.today...northeast winds 5 to 10 knots becoming southeast. patchy
dense fog this morning. waves 1 foot or less. 
.tonight...southeast winds 5 to 15 knots becoming southwest.
waves 2 feet or less. 
.sunday...southwest winds 10 to 15 knots becoming north. a chance
of showers in the morning, then showers likely in the afternoon.
waves 2 feet or less. 
.sunday night...north winds 15 to 20 knots. rain showers likely
in the evening, then a chance of rain and snow showers overnight.
waves 1 to 3 feet building to 2 to 4 feet. 
.monday...north winds 15 to 20 knots becoming east and
diminishing to 5 to 10 knots. waves 1 to 3 feet subsiding to
1 foot or less. 
.tuesday...south winds 5 to 15 knots becoming southeast. waves
1 to 3 feet. 
.wednesday...northeast winds 15 to 20 knots becoming south. waves
2 to 4 feet subsiding to 1 to 3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
342 am edt sat mar 21 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 30.00 inches today gives way to a warm front
tonight, followed by a strong cold front sunday. high pressure
30.40 inches builds in after sunday for monday night and tuesday.
another warm front arrives midweek.



lez164>167-211415-
the islands to vermilion oh beyond 5 nm 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-
342 am edt sat mar 21 2026

.today...northeast winds 10 knots or less becoming east. patchy
dense fog this morning. waves 2 feet or less. 
.tonight...east winds 5 to 15 knots becoming southwest. waves
1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots becoming north. a chance
of rain showers in the morning, then rain showers likely in the
afternoon. waves 1 to 3 feet. 
.sunday night...north winds 15 to 20 knots. rain showers likely
in the evening, then a chance of rain and snow showers overnight.
waves 2 to 4 feet. 
.monday...north winds 15 to 20 knots becoming northeast 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 2 feet. 
.tuesday...southeast winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. waves 2 feet or less building to
3 to 5 feet. 
.wednesday...northeast winds 15 to 20 knots becoming south. waves
3 to 5 feet subsiding to 1 to 3 feet. 

$$

fzus61 kcle 210742
glfle 
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open lake forecast for lake erie
national weather service cleveland oh
342 am edt sat mar 21 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 30.00 inches today gives way to a warm front
tonight, followed by a strong cold front sunday. high pressure
30.40 inches builds in after sunday for monday night and tuesday.
another warm front arrives midweek.



lez061-168-169-211415-
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-
342 am edt sat mar 21 2026

.today...north winds less than 10 knots becoming northeast.
patchy fog this morning. waves 2 feet or less. 
.tonight...east winds 10 knots or less becoming southwest. waves
2 feet or less. 
.sunday...southwest winds 5 to 10 knots becoming northwest. a
chance of rain showers in the morning, then rain showers likely
in the afternoon. waves 1 to 2 feet. 
.sunday night...north winds 10 to 15 knots. rain showers likely
in the evening, then a chance of snow and rain showers overnight.
waves 1 to 3 feet. 
.monday...north winds 5 to 15 knots diminishing to less than
10 knots. waves 1 to 3 feet. 
.tuesday...south winds 5 to 10 knots becoming southwest. waves
1 foot or less building to 1 to 3 feet. 
.wednesday...north winds 5 to 10 knots becoming southeast. waves
2 to 4 feet subsiding to 2 feet or less. 

$$

fzus63 kdtx 210737
glfsc 
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lake st clair forecast
national weather service detroit/pontiac mi
337 am edt sat mar 21 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...high pressure, 30.10 inches, briefly fills in over the
great lakes this morning. a clipper tracks across the region
tonight, dragging a strong cold front through on sunday. breezy
north to northeast winds will develop behind this front. stronger
high pressure follows on monday with another cold front expected
tuesday.


lcz460-211545-
lake st clair-
337 am edt sat mar 21 2026

.today...light and variable winds becoming southeast 5 to 10 knots
in the afternoon. mostly cloudy. waves 2 feet or less.
.tonight...southeast winds 5 to 10 knots becoming south 10 to 15
knots after midnight...then becoming southwest 5 to 10 knots early
in the morning. partly cloudy becoming mostly cloudy by midnight
becoming partly cloudy. waves 2 feet or less.
.sunday...northwest winds 5 to 10 knots becoming north 15 to 20
knots early in the afternoon. mostly cloudy. light showers likely.
waves 2 feet or less.
.sunday night...north winds 15 to 20 knots diminishing to 10 to 15
knots after midnight. mostly cloudy. light showers likely early in
the evening. waves 1 to 3 feet.
.monday...north winds 10 to 15 knots diminishing to 5 to 10 knots in
the evening. partly cloudy then clearing. waves 2 feet or less.
.tuesday...southwest winds 10 to 15 knots. partly cloudy. waves 2
feet or less.
.wednesday...southeast winds 10 to 15 knots. partly cloudy. waves 2
feet or less.

$$

fzus63 kdtx 210736
glflh 
expires:202603211545;;047065

open lake forecast for lake huron
national weather service detroit/pontiac mi
336 am edt sat mar 21 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...high pressure, 30.10 inches, briefly fills in over the
great lakes this morning. a clipper tracks across the region 
tonight, dragging a strong cold front through on sunday. breezy 
north to northeast winds will develop behind this front. stronger 
high pressure follows on monday with another cold front expected 
tuesday.


lhz363-462>464-211545-
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-
336 am edt sat mar 21 2026

.today...north winds 5 to 15 knots veering to the southeast in 
the afternoon. waves 2 feet or less. 
.tonight...southeast winds 10 to 15 knots. a chance of showers
after midnight. waves 1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots becoming 15 to 20 knots
early in the afternoon. a chance of rain and snow showers in the
morning...then a chance of showers in the afternoon. waves 2 to
4 feet building to 4 to 6 feet in the late morning and afternoon.
waves occasionally around 8 feet. 
.sunday night...north winds 15 to 20 knots. waves 5 to 7 feet.
waves occasionally around 10 feet. 
.monday...north winds 10 to 15 knots decreasing to 5 to 10 knots
late in the afternoon. waves 3 to 5 feet subsiding to 1 to 3 feet
late in the evening. 
.tuesday...south winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and early afternoon...then
decreasing to 10 to 15 knots early in the evening becoming west
15 to 20 knots by midnight. waves 3 to 5 feet building to 5 to
7 feet by midnight. waves occasionally around 10 feet. 
.wednesday...north winds 20 to 25 knots decreasing to 15 to
20 knots in the late morning and early afternoon...then becoming
northeast 10 to 15 knots early in the evening veering to the east
by midnight. waves 6 to 9 feet subsiding to 3 to 5 feet by
midnight. waves occasionally around 12 feet. 


$$

fzus63 kdtx 210736
glflh 
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open lake forecast for lake huron
national weather service detroit/pontiac mi
336 am edt sat mar 21 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...high pressure, 30.10 inches, briefly fills in over the
great lakes this morning. a clipper tracks across the region 
tonight, dragging a strong cold front through on sunday. breezy 
north to northeast winds will develop behind this front. stronger 
high pressure follows on monday with another cold front expected 
tuesday.


lhz361-362-211545-
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-
336 am edt sat mar 21 2026

.today...north winds around 10 knots veering to the east late in 
the morning...then becoming southeast 10 to 20 knots in the 
afternoon. a chance of snow in the afternoon. waves 1 to 3 feet 
building to 2 to 4 feet late in the afternoon. 
.tonight...southeast winds 10 to 15 knots backing to the
northeast early in the morning. a chance of snow showers in the
evening...then a chance of showers after midnight. waves 2 to
4 feet. 
.sunday...north winds 10 to 15 knots increasing to 15 to 20 knots
in the late morning and afternoon. waves 3 to 5 feet. 
.sunday night...north winds 15 to 20 knots. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.monday...north winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then backing to the west late in the
afternoon. waves 3 to 5 feet subsiding to 1 to 3 feet late in the
afternoon. 
.tuesday...southwest winds 15 to 20 knots becoming west 20 to
25 knots by midnight. a chance of snow early in the morning.
waves 5 to 7 feet. waves occasionally around 10 feet. 
.wednesday...north winds 20 to 25 knots becoming northeast 15 to
20 knots in the late morning and early afternoon...then becoming
east 10 to 15 knots early in the evening becoming southeast 15 to
20 knots by midnight. a chance of rain and snow by midnight.
waves 6 to 9 feet. waves occasionally around 12 feet. 

wave heights are for ice free areas.

$$