fzus61 kbuf 201410
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
1010 am edt mon apr 20 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 30.4 inch high will settle southeast across the great 
lakes through tonight, before sliding off the mid-atlantic coast 
tuesday. a 29.4 inch low over lower hudson bay tuesday, will weaken 
to 29.9 inches by wednesday, while pushing an attendant weak cold 
front across the lake tuesday night. a 30.2 inch high will then 
build across the great lakes region wednesday and thursday. a warm 
front will then approach the lake by friday. a 29.6 inch low may 
move southwest of the lake on saturday.


loz062-202100-
lake ontario open waters from the niagara river to hamlin beach-
1010 am edt mon apr 20 2026

.this afternoon...northwest winds 10 to 15 knots becoming west.
waves 1 to 3 feet. 
.tonight...west winds 5 to 15 knots becoming south 10 knots or
less. waves 1 to 3 feet subsiding to 1 foot or less. 
.tuesday...south winds 10 to 15 knots becoming southeast. waves
1 to 2 feet. 
.tuesday night...southeast winds 5 to 10 knots becoming
northeast. waves 2 feet or less. 
.wednesday...northeast winds less than 10 knots becoming north.
waves 1 foot or less. 
.thursday...northeast winds 10 knots or less becoming east. waves
1 foot or less. 
.friday...east winds 10 to 15 knots increasing to 15 to 20 knots.
a chance of showers friday night. waves 1 to 3 feet building to
2 to 4 feet. 

$$

fzus61 kbuf 201410
glflo 
expires:202604202100;;694211

open lake forecast for lake ontario
national weather service buffalo ny
1010 am edt mon apr 20 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 30.4 inch high will settle southeast across the great 
lakes through tonight, before sliding off the mid-atlantic coast 
tuesday. a 29.4 inch low over lower hudson bay tuesday, will weaken 
to 29.9 inches by wednesday, while pushing an attendant weak cold 
front across the lake tuesday night. a 30.2 inch high will then 
build across the great lakes region wednesday and thursday. a warm 
front will then approach the lake by friday. a 29.6 inch low may 
move southwest of the lake on saturday.


loz063>065-202100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1010 am edt mon apr 20 2026

.this afternoon...northwest winds 10 to 15 knots becoming west
15 to 20 knots. waves 2 to 4 feet. 
.tonight...west winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...southwest winds 5 to 15 knots becoming southeast.
waves 1 to 2 feet. 
.tuesday night...southeast winds 5 to 15 knots. waves 2 feet or
less. 
.wednesday...northeast winds 10 knots or less becoming north.
waves 1 foot or less. 
.thursday...northwest winds 10 knots or less becoming northeast.
waves 1 foot or less. 
.friday...northeast winds 5 to 15 knots becoming east. a chance
of showers friday night. waves 1 to 3 feet. 

$$

fzus61 kcle 201335
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open lake forecast for lake erie
national weather service cleveland oh
935 am edt mon apr 20 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 30.40 inches will remain over the lake today and
push east tonight. a warm front will cross the lake on tuesday. a
cold front will cross the lake on wednesday. high pressure 30.10
inches enters from the north for wednesday night and thursday. a
cold front will approach from the west for friday.


lez162>164-202015-
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-
935 am edt mon apr 20 2026

.this afternoon...northwest winds 10 knots or less becoming north.
waves 2 feet or less. 
.tonight...southeast winds 10 knots or less becoming south and
increasing to 15 to 20 knots after midnight. waves 2 feet or
less. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. waves 1 to 3 feet. 
.tuesday night...southwest winds 5 to 15 knots becoming west. a
chance of showers. waves 2 feet or less. 
.wednesday...northwest winds 10 knots or less becoming east.
waves 1 foot or less. 
.thursday...southeast winds 5 to 15 knots becoming south. waves
2 feet or less. 
.friday...south winds 10 to 15 knots becoming southwest. a chance
of showers during the day, then showers likely friday night.
waves 1 to 2 feet. 

$$

fzus61 kcle 201335
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open lake forecast for lake erie
national weather service cleveland oh
935 am edt mon apr 20 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 30.40 inches will remain over the lake today and
push east tonight. a warm front will cross the lake on tuesday. a
cold front will cross the lake on wednesday. high pressure 30.10
inches enters from the north for wednesday night and thursday. a
cold front will approach from the west for friday.


lez061-165>169-202015-
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-
935 am edt mon apr 20 2026

.this afternoon...northwest winds 5 to 10 knots becoming west.
waves 1 to 2 feet. 
.tonight...southwest winds 5 to 15 knots becoming south. waves
2 feet or less. 
.tuesday...south winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday night...southwest winds 5 to 10 knots becoming west. a
chance of showers. waves 2 feet or less. 
.wednesday...northwest winds 10 knots or less becoming east.
waves 2 feet or less. 
.thursday...southeast winds 10 knots or less increasing to 10 to
15 knots. waves 2 feet or less. 
.friday...southeast winds 5 to 15 knots becoming northeast. a
chance of showers during the day, then showers likely friday
night. waves 2 feet or less. 

$$

fzus63 kdtx 201225
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open lake forecast for lake huron
national weather service detroit/pontiac mi
825 am edt mon apr 20 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 moves through the region today, then 
gusty south wind develops tuesday ahead of the next cold front set
to pass through tuesday night. another area of high pressure 
settles into the region on wednesday.


lhz361>363-202030-
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-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
825 am edt mon apr 20 2026

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


$$

fzus63 kdtx 201225
glflh 
expires:202604202030;;690307

open lake forecast for lake huron
national weather service detroit/pontiac mi
825 am edt mon apr 20 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 moves through the region today, then 
gusty south wind develops tuesday ahead of the next cold front set
to pass through tuesday night. another area of high pressure 
settles into the region on wednesday.


lhz462>464-202030-
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-
825 am edt mon apr 20 2026

.rest of today...northwest winds 10 to 15 knots decreasing to
5 to 10 knots early in the afternoon...then veering to the
northwest 5 to 10 knots late in the afternoon. waves 3 to 5 feet
subsiding to 2 to 4 feet late in the afternoon. 
.tonight...southeast winds 5 to 10 knots becoming south 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet after
midnight. 
.tuesday...south winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. sprinkles in the morning. waves
5 to 7 feet. waves occasionally around 10 feet. 
.tuesday night...south winds 5 to 10 knots backing to the north
in the late evening and overnight. waves 2 to 4 feet subsiding to
1 to 3 feet in the late evening and overnight. 
.wednesday...north winds 5 to 10 knots becoming light and
variable. waves 2 feet or less. 
.thursday...southeast winds 5 to 10 knots increasing to 10 to
15 knots . waves 1 to 3 feet building to 2 to 4 feet by midnight.
.friday...southeast winds 15 to 20 knots decreasing to 10 to
15 knots . a chance of showers . waves 3 to 5 feet. 


$$

fzus63 kdtx 201225
glfsc 
expires:202604202030;;690314

lake st clair forecast
national weather service detroit/pontiac mi
825 am edt mon apr 20 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 moves across the region today, then 
gusty south wind develops tuesday ahead of the next cold front set
to pass through tuesday night. another area of high pressure 
settles into the region on wednesday.


lcz460-202030-
lake st clair-
825 am edt mon apr 20 2026

.rest of today...northwest winds 5 to 10 knots in the late morning
and early afternoon becoming light and variable. sunny. waves 2 feet
or less.
.tonight...south winds 5 to 10 knots increasing to 10 to 15 knots in
the late evening and overnight. mostly clear. waves 2 feet or less.
.tuesday...south winds 15 to 20 knots. partly sunny. a chance of
sprinkles until late afternoon. waves 1 to 3 feet.
.tuesday night...southwest winds 10 to 15 knots becoming northwest 5
to 10 knots in the late evening and overnight. partly cloudy. waves
2 feet or less.
.wednesday...north winds 5 to 10 knots in the morning becoming light
and variable...then becoming northeast 5 to 10 knots in the evening.
mostly sunny in the morning becoming clear. waves 2 feet or less.
.thursday...southeast winds 10 to 15 knots. mostly clear. waves 2
feet or less.
.friday...southeast winds 10 to 15 knots. partly cloudy. light
showers likely. waves 1 to 3 feet.

$$