fzus61 kbuf 210203
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open lake forecast for lake ontario
national weather service buffalo ny
1003 pm 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 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 a 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 approach the 
lake by friday. a 29.6 inch low may move southwest of the lake on 
saturday.


loz063>065-210900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 pm edt mon apr 20 2026

.overnight...west winds 5 to 15 knots becoming southwest.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...south winds 10 to 15 knots becoming southeast. waves
1 to 2 feet. 
.tuesday night...southeast winds 10 to 15 knots. waves 1 to
3 feet. 
.wednesday...east winds 10 knots or less becoming northwest.
waves 1 foot or less. 
.wednesday night...west winds less than 10 knots becoming north.
waves 1 foot or less. 
.thursday...north 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. 
.saturday...east winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers. waves 2 to 4 feet subsiding to
1 to 3 feet. 

$$

fzus61 kbuf 210203
glflo 
expires:202604210900;;720297

open lake forecast for lake ontario
national weather service buffalo ny
1003 pm 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 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 a 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 approach the 
lake by friday. a 29.6 inch low may move southwest of the lake on 
saturday.


loz062-210900-
lake ontario open waters from the niagara river to hamlin beach-
1003 pm edt mon apr 20 2026

.overnight...southwest winds 10 knots or less becoming
south. waves 2 feet or less. 
.tuesday...south winds 10 to 15 knots. waves 1 to 2 feet. 
.tuesday night...southeast winds 5 to 10 knots becoming
northeast. waves 2 feet or less. 
.wednesday...northeast winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.wednesday night...west 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. 
.saturday...east winds 15 to 20 knots becoming northeast 10 to
15 knots. a chance of showers. waves 2 to 4 feet. 

$$

fzus61 kcle 210133
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open lake forecast for lake erie
national weather service cleveland oh
933 pm 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 push east tonight as a warm front
approaches from the west. the front will lift east across the lake
during the day on tuesday. a cold front will then sink south
across lake erie on tuesday night into wednesday. high pressure
30.10 inches briefly enters from the north on wednesday night. low
pressure 29.30 inches will push east across the upper midwest
before lifting another warm front across the lake on friday.


lez162>164-210815-
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-
933 pm edt mon apr 20 2026

.overnight...southeast winds 5 to 15 knots becoming south
15 to 20 knots. 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 10 to 15 knots becoming west. a
chance of showers. waves 1 to 2 feet. 
.wednesday...northwest winds 10 knots or less becoming east.
waves 1 foot or less. 
.wednesday night...east winds 10 knots or less. 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 west. a chance of
showers during the day, then showers likely friday night. waves
1 to 2 feet. 
.saturday...northwest winds 10 to 15 knots becoming northeast. a
chance of showers during the day. waves 1 to 3 feet. 

$$

fzus61 kcle 210133
glfle 
expires:202604210815;;719677

open lake forecast for lake erie
national weather service cleveland oh
933 pm 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 push east tonight as a warm front
approaches from the west. the front will lift east across the lake
during the day on tuesday. a cold front will then sink south
across lake erie on tuesday night into wednesday. high pressure
30.10 inches briefly enters from the north on wednesday night. low
pressure 29.30 inches will push east across the upper midwest
before lifting another warm front across the lake on friday.


lez061-165>169-210815-
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-
933 pm edt mon apr 20 2026

.overnight...south winds 5 to 15 knots. 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 1 to 3 feet. 
.wednesday...northwest winds 10 knots or less becoming west.
waves 2 feet or less. 
.wednesday night...southwest winds less than 10 knots becoming
east. waves 1 foot or less. 
.thursday...east winds 10 knots or less becoming southeast. waves
2 feet or less. 
.friday...southeast winds 5 to 15 knots. a chance of showers
friday night. waves 1 to 3 feet. 
.saturday...north winds 5 to 15 knots becoming northeast. a
chance of showers. waves 1 to 3 feet. 

$$

fzus63 kdtx 210227
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lake st clair forecast
national weather service detroit/pontiac mi
1027 pm 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...gusty south wind precedes a weak disturbance that
passes through the region tonight. this system brings a chance of
showers and storms across the south and is followed by a weak
area of high pressure on wednesday. a warm front then slowly
lifts into the area late thursday into friday as the parent low
pressure stalls over the upper midwest.


lcz460-211030-
lake st clair-
1027 pm edt mon apr 20 2026

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

$$

fzus63 kdtx 210226
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open lake forecast for lake huron
national weather service detroit/pontiac mi
1026 pm 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...gusty south wind precedes a weak disturbance that
passes through the region tonight. this system brings a chance of
showers and storms across the south and is followed by a weak
area of high pressure on wednesday. a warm front then slowly
lifts into the area late thursday into friday as the parent low
pressure stalls over the upper midwest.


lhz462>464-211030-
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-
1026 pm edt mon apr 20 2026

.rest of tonight...south winds 10 to 15 knots increasing to 15 to
20 knots with gusts to around 30 knots after midnight. waves 2 to
4 feet building to 3 to 5 feet after midnight. 
.tuesday...south winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. a chance of showers in the
morning. waves 5 to 7 feet. waves occasionally around 10 feet. 
.tuesday night...southeast winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 2 feet or less in the late evening and overnight. 
.wednesday...north winds 5 to 10 knots. waves 2 feet or less. 
.wednesday night...north winds 5 to 10 knots early in the evening
becoming light and variable. waves 2 feet or less. 
.thursday...southeast winds 5 to 10 knots increasing to 10 to
15 knots late in the afternoon. waves 1 to 3 feet. 
.friday...southeast winds 10 to 15 knots. showers likely . waves
2 to 4 feet. 
.saturday...east winds 10 to 15 knots backing to the north in the
late morning and early afternoon...then decreasing to 5 to
10 knots . a chance of showers until afternoon. waves 2 to
4 feet. 


$$

fzus63 kdtx 210226
glflh 
expires:202604211030;;721164

open lake forecast for lake huron
national weather service detroit/pontiac mi
1026 pm 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...gusty south wind precedes a weak disturbance that
passes through the region tonight. this system brings a chance of
showers and storms across the south and is followed by a weak
area of high pressure on wednesday. a warm front then slowly
lifts into the area late thursday into friday as the parent low
pressure stalls over the upper midwest.


lhz361>363-211030-
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-
1026 pm edt mon apr 20 2026

.rest of tonight...south winds 15 to 20 knots. gusts to 30 knots
early in the morning. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.tuesday...south winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots early in the afternoon...
then backing to the southeast late in the afternoon. waves 6 to
9 feet. waves occasionally around 12 feet. 
.tuesday night...north 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 until late afternoon
becoming light and variable. waves 2 feet or less. 
.wednesday night...light and variable winds becoming southeast
5 to 10 knots after midnight. waves 2 feet or less. 
.thursday...southeast winds 5 to 10 knots becoming east 15 to
20 knots. waves 1 to 3 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 in the late morning and early
afternoon. rain showers likely . waves 5 to 7 feet. waves
occasionally around 10 feet. 
.saturday...northeast winds 15 to 20 knots becoming north 10 to
15 knots. a chance of showers early in the morning. waves 3 to
5 feet. 


$$