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glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
505 pm edt sat mar 14 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 29.5 inch low will exit across the canadian maritimes 
this evening as a 30.4 inch high builds into the central great 
lakes, then across the lake tonight before moving east of the lake 
sunday. meanwhile, a 29.5 inch surface low over the mid mississippi 
valley sunday morning will track northeastward and deepen to 28.9 
inches just to the west of the lake monday morning, before pushing 
northeastward across quebec through tuesday. this low will sweep a 
strong cold front across the lake monday afternoon, with a 30.4 inch 
high building across the great lakes and ohio valley tuesday. the 
high will then shift east of the lake wednesday and reach the east 
coast by wednesday evening.


loz062-150315-
lake ontario open waters from the niagara river to hamlin beach-
505 pm edt sat mar 14 2026

...gale watch in effect from monday afternoon through tuesday
morning...

.tonight...northwest winds 15 to 20 knots becoming east 5 to 15 
knots. a chance of snow showers late. waves 4 to 7 feet subsiding 
to 2 feet or less. waves occasionally around 9 feet. 
.sunday...east winds 15 to 20 knots increasing to 30 knots. snow
likely in the morning. waves 2 to 4 feet building to 5 to 8 feet.
waves occasionally around 10 feet. 
.sunday night...southeast winds to 30 knots. waves 5 to 8 feet.
waves occasionally around 10 feet. 
.monday...southeast winds to 30 knots becoming southwest. rain
showers in the morning, then rain and snow showers in the
afternoon. waves 5 to 8 feet building to 7 to 10 feet. waves
occasionally around 13 feet. 
.monday night...southwest gales to 35 knots becoming west. snow
and rain showers in the evening, then a chance of snow showers
overnight. waves 10 to 14 feet building to 11 to 15 feet. waves
occasionally around 19 feet. 
.tuesday...west gales to 35 knots diminishing to 15 to 20 knots.
a chance of snow showers. waves 10 to 15 feet subsiding to 4 to
7 feet. waves occasionally around 19 feet. 
.wednesday...southwest winds 10 to 15 knots becoming south. waves
2 to 4 feet subsiding to 1 to 2 feet. 
.thursday...south winds 5 to 15 knots becoming southwest. a
chance of rain showers thursday night. waves 1 to 2 feet. 

$$
fzus61 kbuf 142105
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
505 pm edt sat mar 14 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 29.5 inch low will exit across the canadian maritimes 
this evening as a 30.4 inch high builds into the central great 
lakes, then across the lake tonight before moving east of the lake 
sunday. meanwhile, a 29.5 inch surface low over the mid mississippi 
valley sunday morning will track northeastward and deepen to 28.9 
inches just to the west of the lake monday morning, before pushing 
northeastward across quebec through tuesday. this low will sweep a 
strong cold front across the lake monday afternoon, with a 30.4 inch 
high building across the great lakes and ohio valley tuesday. the 
high will then shift east of the lake wednesday and reach the east 
coast by wednesday evening.


loz063>065-150315-
lake ontario open waters from hamlin beach to the saint lawrence
river-
505 pm edt sat mar 14 2026

...gale watch in effect from monday evening through tuesday
evening...

.tonight...west winds to 30 knots becoming east and diminishing
to 5 to 10 knots after midnight. waves 10 to 13 feet subsiding to
1 to 3 feet. waves occasionally around 16 feet. 
.sunday...southeast winds 15 to 25 knots. snow likely in the
morning. waves 1 to 3 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.sunday night...southeast winds to 30 knots increasing to 35 knot
gales. waves 5 to 8 feet building to 7 to 10 feet. waves
occasionally around 13 feet. 
.monday...southeast gales to 35 knots becoming southwest and
diminishing to 30 knots in the afternoon. showers. waves 6 to
10 feet subsiding to 5 to 8 feet. waves occasionally around
13 feet. 
.monday night...west winds to 30 knots increasing to 40 knot
gales. rain and snow showers in the evening, then snow showers
overnight. waves 7 to 10 feet building to 11 to 16 feet. waves
occasionally around 20 feet. 
.tuesday...west gales to 40 knots becoming northwest and
diminishing to 15 to 25 knots. lake effect snow showers. waves
13 to 17 feet subsiding to 7 to 10 feet. waves occasionally
around 22 feet. 
.wednesday...west winds 5 to 15 knots becoming south 15 to
20 knots. waves 3 to 6 feet subsiding to 3 to 5 feet. 
.thursday...south winds 15 to 20 knots becoming southwest. a
chance of rain showers thursday night. waves 3 to 5 feet
subsiding to 2 to 4 feet. 

$$
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glfle 
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open lake forecast for lake erie
national weather service cleveland oh
403 pm edt sat mar 14 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 29.20 inches will enter the central united states 
tonight and lift a warm front toward the lake. this low will 
follow the front into the western great lakes sunday, extending a 
cold front across the area on monday as the low lifts toward 
quebec. the strong low will deepen to 28.90 inches by monday
morning. high pressure 30.40 inches will build into the region on
tuesday before a weak trough averaging 30.20 inches progresses 
through the area wednesday.


lez061-168-169-150230-
ripley to buffalo ny extending from 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-
403 pm edt sat mar 14 2026

...gale watch in effect from monday morning through tuesday
morning...

.tonight...southwest winds 10 knots or less becoming east 10 to
15 knots. a chance of snow showers after midnight. waves 1 to
3 feet. 
.sunday...east winds 15 to 25 knots becoming south. a slight
chance of snow showers early. waves 1 to 3 feet building to 3 to
5 feet. 
.sunday night...south winds to 30 knots. a chance of showers
overnight. waves 3 to 6 feet building to 5 to 8 feet. waves
occasionally around 10 feet. 
.monday...south winds to 30 knots becoming southwest and
increasing to 35 knot gales in the afternoon. rain showers in the
morning, then a chance of rain and snow showers in the afternoon.
waves 4 to 7 feet building to 9 to 12 feet. waves occasionally
around 15 feet. 
.monday night...west gales to 35 knots. a chance of snow showers.
waves 10 to 13 feet. waves occasionally around 16 feet. 
.tuesday...west winds to 30 knots diminishing to 10 to 15 knots.
a chance of snow showers during the day. waves 9 to 12 feet
subsiding to 2 to 4 feet. waves occasionally around 15 feet. 
.wednesday...southwest winds 5 to 15 knots becoming south. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.thursday...south winds 5 to 10 knots becoming southwest. waves
1 foot or less. 

$$
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