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open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt thu aug 27 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 pre-frontal trough will cross the lower great lakes 
today, followed by a weak cold front tonight. a 30.2 inch high will 
then build from the upper great lakes friday to the lower great 
lakes saturday before drifting off the new england coast sunday. a 
weak frontal boundary is then forecast to stall just north of the 
lake sunday night through tuesday.


loz062-272100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt thu aug 27 2026

.rest of today...southwest winds 15 to 20 knots becoming west
10 to 15 knots. waves 1 to 3 feet. 
.tonight...west winds 5 to 10 knots becoming northwest. waves
1 to 2 feet. 
.friday...north winds 10 knots or less becoming west. waves
1 foot or less. 
.friday night...light and variable winds. waves 1 foot or less. 
.saturday...west winds 10 knots or less becoming southwest. waves
1 foot or less. 
.sunday...southwest winds 5 to 10 knots becoming south. a chance
of showers during the day, then showers likely sunday night.
waves 1 foot or less. 
.monday...south winds 5 to 10 knots becoming southeast. showers
likely during the day, then a chance of showers monday night.
waves 1 foot or less. 

$$

fzus61 kbuf 271402
glflo 
expires:202608272100;;447229

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt thu aug 27 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 pre-frontal trough will cross the lower great lakes 
today, followed by a weak cold front tonight. a 30.2 inch high will 
then build from the upper great lakes friday to the lower great 
lakes saturday before drifting off the new england coast sunday. a 
weak frontal boundary is then forecast to stall just north of the 
lake sunday night through tuesday.


loz063>065-272100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt thu aug 27 2026

.rest of today...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. showers likely with a chance of thunderstorms
late this morning, then a chance of showers this afternoon. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...west winds 5 to 15 knots becoming northwest. a chance
of waterspouts late. waves 1 to 2 feet. 
.friday...north winds 5 to 10 knots becoming northwest. a chance
of waterspouts in the morning. waves 2 feet or less. 
.friday night...northwest winds less than 10 knots becoming west.
waves 1 foot or less. 
.saturday...west winds 5 to 10 knots becoming southwest. waves
2 feet or less. 
.sunday...southwest winds 5 to 15 knots. showers likely sunday
night. waves 2 feet or less. 
.monday...south winds 5 to 10 knots becoming east. showers likely
during the day, then a chance of showers monday night. 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
945 am edt thu aug 27 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...
a trough of 29.90 inches will move east across lake erie today
followed by a cold front pushing south across the lake tonight.  
high pressure of 30.10 inches builds into the great lakes friday 
before settling to the mid-atlantic region sunday. a warm front 
moves north across lake erie sunday night ahead of low pressure 
approaching the western great lakes.


lez061-167>169-272015-
ripley to buffalo ny extending from 5nm 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-
945 am edt thu aug 27 2026

.rest of today...west winds 10 to 15 knots. a slight chance of
showers late this morning. waves 2 to 4 feet. 
.tonight...west winds 5 to 15 knots becoming north. a slight
chance of showers. a chance of waterspouts from late evening on.
waves 1 to 3 feet. 
.friday...north winds 5 to 15 knots. waves 2 feet or less. 
.friday night...north winds 10 knots or less becoming east. waves
1 foot or less. 
.saturday...south winds 10 knots or less. waves 1 foot or less. 
.sunday...southwest winds 5 to 15 knots. a chance of showers
sunday night. waves 1 to 3 feet. 
.monday...southwest winds 5 to 15 knots. a chance of showers
during the day. waves 1 to 3 feet. 

$$