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open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt sat may 23 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 large 30.4 inch high will strengthen to 30.6 inches as 
it anchors over atlantic canada through sunday. a 29.9 inch low and 
attendant warm front will cross the lower great lakes through 
tonight, before weakening and sliding eastward sunday. a 30.1 inch 
high will settle across the region monday through tuesday. a cold 
front associated with a 29.8 inch low over new england will drop 
south across the lake on wednesday morning. high pressure over 
canada will start to expand south over the lake on thursday.


loz062-240900-
lake ontario open waters from the niagara river to hamlin beach-
1003 pm edt sat may 23 2026

.overnight...east winds 15 to 25 knots. rain. waves 5 to
8 feet subsiding to 3 to 6 feet. waves occasionally around
10 feet. 
.sunday...east winds 15 to 20 knots diminishing to less than
10 knots in the afternoon. showers likely early. waves 3 to
5 feet subsiding to 1 to 3 feet. 
.sunday night...east winds 5 to 10 knots becoming light and
variable. a chance of showers in the evening, then showers likely
overnight. waves 1 foot or less. 
.monday...light and variable winds. a chance of showers in the
morning. waves 1 foot or less. 
.monday night...southwest winds less than 10 knots. waves 1 foot
or less. 
.tuesday...southwest winds 10 knots or less. waves 1 foot or
less. 
.wednesday...west winds 5 to 10 knots becoming north. waves
1 foot or less. 
.thursday...north winds 5 to 10 knots. waves 1 foot or less. 

$$

fzus61 kbuf 240203
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt sat may 23 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 large 30.4 inch high will strengthen to 30.6 inches as 
it anchors over atlantic canada through sunday. a 29.9 inch low and 
attendant warm front will cross the lower great lakes through 
tonight, before weakening and sliding eastward sunday. a 30.1 inch 
high will settle across the region monday through tuesday. a cold 
front associated with a 29.8 inch low over new england will drop 
south across the lake on wednesday morning. high pressure over 
canada will start to expand south over the lake on thursday.


loz063>065-240900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 pm edt sat may 23 2026

.overnight...southeast winds 15 to 25 knots. rain. waves
4 to 7 feet subsiding to 3 to 6 feet. waves occasionally around
9 feet. 
.sunday...southeast winds 15 to 25 knots. rain early, then
showers likely late in the morning. waves 3 to 5 feet. 
.sunday night...southeast winds 15 to 20 knots diminishing to
5 to 15 knots. showers likely overnight. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.monday...southwest winds 10 knots or less becoming west. showers
likely in the morning. waves 1 foot or less. 
.monday night...southwest winds 10 knots or less. waves 1 foot or
less. 
.tuesday...southwest winds 5 to 10 knots becoming west. waves
1 foot or less. 
.wednesday...west winds 5 to 10 knots becoming north. waves
1 foot or less. 
.thursday...north winds 5 to 10 knots. waves 2 feet or less. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
927 pm edt sat may 23 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...
low pressure 30.00 inches moves to the northeast tonight while 
lifting a warm front east across the lake. another low 30.00
inches will then drag a cold front through the region sunday into
sunday night. high pressure 30.20 inches will build overhead 
monday and remain in the region through mid-week.


lez164>168-240815-
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-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
927 pm edt sat may 23 2026

.rest of tonight...south winds 15 to 20 knots. a chance of
showers late this evening, then a slight chance of showers after
midnight. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.sunday...south winds 10 knots or less becoming northeast. a
chance of showers with a slight chance of thunderstorms late.
waves 1 to 3 feet subsiding to 1 foot or less. 
.sunday night...northeast winds less than 10 knots becoming
north. a chance of showers in the evening. waves 1 foot or less. 
.monday...northwest winds less than 10 knots becoming northeast.
waves 1 foot or less. 
.monday night...light and variable winds. waves 1 foot or less. 
.tuesday...southeast winds less than 10 knots becoming south.
waves 1 foot or less. 
.wednesday...southwest winds 10 knots or less becoming north.
waves 1 foot or less. 
.thursday...northeast winds 5 to 15 knots. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

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glfle 
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open lake forecast for lake erie
national weather service cleveland oh
927 pm edt sat may 23 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...
low pressure 30.00 inches moves to the northeast tonight while 
lifting a warm front east across the lake. another low 30.00
inches will then drag a cold front through the region sunday into
sunday night. high pressure 30.20 inches will build overhead 
monday and remain in the region through mid-week.


lez061-169-240815-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
927 pm edt sat may 23 2026

.rest of tonight...southeast winds to 30 knots becoming south
15 to 25 knots. a chance of showers with a slight chance of
thunderstorms late this evening, then a chance of showers after
midnight. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.sunday...south winds 5 to 15 knots becoming northwest less than
10 knots. a slight chance of showers early. a slight chance of
showers late. waves 1 to 3 feet subsiding to 1 foot or less. 
.sunday night...light and variable winds. a chance of showers.
waves 1 foot or less. 
.monday...light and variable winds. waves 1 foot or less. 
.monday night...light and variable winds. waves 1 foot or less. 
.tuesday...light and variable winds. waves 1 foot or less. 
.wednesday...light and variable winds becoming north 5 to
10 knots. waves 1 foot or less. 
.thursday...northeast winds 10 knots or less. waves 1 foot or
less. 

winds and waves higher in and near thunderstorms.

$$