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open lake forecast for lake ontario
national weather service buffalo ny
1000 am 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 then approach the lower great lakes late 
tonight and saturday, 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. high pressure 
over canada will start to expand south over the lake on thursday.


loz062-232100-
lake ontario open waters from the niagara river to hamlin beach-
1000 am edt sat may 23 2026

.this afternoon...east winds 15 to 25 knots increasing to
30 knots. rain. waves 3 to 5 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.tonight...east winds to 30 knots diminishing to 15 to 25 knots.
rain early, then showers from late evening on. 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 5 to 15 knots.
showers in the morning, then a chance of showers in the
afternoon. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.sunday night...east winds less than 10 knots. a chance of
showers. waves 1 foot or less. 
.monday...light and variable winds. a chance of showers during
the day. waves 1 foot or less. 
.tuesday...southwest winds 10 knots or less becoming west. waves
1 foot or less. 
.wednesday...west winds 10 knots or less becoming north. waves
1 foot or less. 

$$

fzus61 kbuf 231400
glflo 
expires:202605232100;;511811

open lake forecast for lake ontario
national weather service buffalo ny
1000 am 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 then approach the lower great lakes late 
tonight and saturday, 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. high pressure 
over canada will start to expand south over the lake on thursday.


loz063>065-232100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1000 am edt sat may 23 2026

.this afternoon...southeast winds 15 to 25 knots. rain. waves 1 to
3 feet building to 3 to 5 feet. 
.tonight...southeast winds 15 to 25 knots. rain early, then
showers from late evening on. waves 3 to 6 feet building to 4 to
7 feet, then subsiding to 3 to 6 feet. waves occasionally around
9 feet. 
.sunday...southeast winds 15 to 25 knots. showers. waves 3 to
5 feet subsiding to 2 to 4 feet. 
.sunday night...southeast winds 15 to 20 knots becoming south
10 to 15 knots. a chance of showers overnight. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.monday...southwest winds 10 knots or less. a chance of showers
during the day. 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. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
1017 am 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 29.90 inches moves northeastward into the western
basin of lake erie today with a weak cold front tonight into 
early sunday. a weak trough averaging 30.00 inches will pass over 
the region on sunday. high pressure 30.10 inches builds into the 
region early monday through the middle of next week.


lez164>168-232015-
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-
1017 am edt sat may 23 2026

.this afternoon...southeast winds 15 to 25 knots. showers with a
slight chance of thunderstorms, then showers likely with a chance
of thunderstorms late. waves 3 to 6 feet. 
.tonight...south winds 15 to 25 knots. showers likely with a
slight chance of thunderstorms early, then a chance of showers. a
slight chance of showers late. waves 3 to 6 feet subsiding to
2 to 4 feet. 
.sunday...southwest winds 5 to 15 knots becoming northeast less
than 10 knots. a chance of showers in the afternoon. waves 1 to
3 feet subsiding to 1 foot or less. 
.sunday night...southeast winds less than 10 knots becoming
northwest. a chance of showers. waves 1 foot or less. 
.monday...north winds less than 10 knots. waves 1 foot or less. 
.tuesday...south winds less than 10 knots becoming southeast.
waves 1 foot or less. 
.wednesday...light and variable winds becoming northeast 5 to
10 knots. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
1017 am 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 29.90 inches moves northeastward into the western
basin of lake erie today with a weak cold front tonight into 
early sunday. a weak trough averaging 30.00 inches will pass over 
the region on sunday. high pressure 30.10 inches builds into the 
region early monday through the middle of next week.


lez061-169-232015-
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-
1017 am edt sat may 23 2026

.this afternoon...southeast winds 15 to 25 knots. showers with a
slight chance of thunderstorms. waves 2 to 4 feet building to
3 to 5 feet. 
.tonight...southeast winds to 30 knots becoming south 15 to
25 knots. showers likely with a slight chance of thunderstorms in
the evening, then a chance of showers after midnight. waves 3 to
6 feet subsiding to 2 to 4 feet. 
.sunday...south winds 15 to 20 knots becoming west and
diminishing to less than 10 knots in the afternoon. a chance of
showers in the afternoon. 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. 
.tuesday...light and variable winds. waves 1 foot or less. 
.wednesday...light and variable winds becoming northeast 5 to
10 knots. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$