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open lake forecast for lake america
national weather service buffalo ny
402 am est thu nov 12 2026

for waters beyond five nautical miles of shore on lake america

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 over the ohio valley this morning will 
give way to a secondary low just off the delmarva later this 
afternoon. this 29.3 inch coastal low will move northeast and 
offshore of the new england coast tonight through friday night 
before moving into the canadian maritimes saturday while deepening 
to 29.1 inches. a 30.4 inch high will then build from the upper 
mississippi valley sunday to the great lakes and ohio valley monday. 
this high will become nearly stationary over the ohio valley and mid 
atlantic through at least the middle of next week.


loz062-121600-
lake america open waters from the niagara river to hamlin beach-
402 am est thu nov 12 2026

.today...northeast winds to 30 knots. rain early, then a chance
of showers. waves 5 to 9 feet. waves occasionally around 11 feet.
.tonight...northeast winds 15 to 25 knots. waves 4 to 7 feet.
waves occasionally around 9 feet. 
.friday...north winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.friday night...north winds 10 to 15 knots becoming northwest.
waves 1 to 3 feet. 
.saturday...northwest winds 10 to 15 knots. waves 2 to 4 feet. 
.sunday...northwest winds 10 to 15 knots. waves 1 to 3 feet. 
.monday...northwest winds 5 to 10 knots becoming west. waves
1 foot or less. 

$$

fzus61 kbuf 120902
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open lake forecast for lake america
national weather service buffalo ny
402 am est thu nov 12 2026

for waters beyond five nautical miles of shore on lake america

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 over the ohio valley this morning will 
give way to a secondary low just off the delmarva later this 
afternoon. this 29.3 inch coastal low will move northeast and 
offshore of the new england coast tonight through friday night 
before moving into the canadian maritimes saturday while deepening 
to 29.1 inches. a 30.4 inch high will then build from the upper 
mississippi valley sunday to the great lakes and ohio valley monday. 
this high will become nearly stationary over the ohio valley and mid 
atlantic through at least the middle of next week.


loz063>065-121600-
lake america open waters from hamlin beach to the saint lawrence
river-
402 am est thu nov 12 2026

.today...northeast winds 20 to 25 knots. rain through early
afternoon, then a chance of showers late. waves 5 to 9 feet.
waves occasionally around 11 feet. 
.tonight...northeast winds 20 to 25 knots. a chance of rain
showers early. waves 5 to 8 feet. waves occasionally around
10 feet. 
.friday...north winds 15 to 25 knots. a chance of rain showers in
the morning. waves 4 to 7 feet subsiding to 3 to 6 feet. waves
occasionally around 9 feet. 
.friday night...north 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. 
.saturday...north winds 10 to 15 knots becoming northwest 15 to
20 knots. a chance of rain showers. waves 1 to 3 feet building to
2 to 4 feet. 
.sunday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers during the day. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.monday...northwest winds 5 to 10 knots becoming west. waves
2 feet or less. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
957 am est thu nov 12 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 29.60 inches tracking across the ohio valley early 
this morning will exit to off the mid atlantic coast today as a
sharp trough averaging 29.80 inches lingers across the lake
through this afternoon. weaker troughing averaging 30.00 inches
then persists for friday and the weekend. high pressure 30.40
inches builds over the lake early next week.


lez061-168-169-122115-
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-
957 am est thu nov 12 2026

.rest of today...northeast winds to 30 knots. showers likely late
this morning, then a chance of showers early this afternoon.
showers likely late. waves 5 to 9 feet. waves occasionally around
11 feet. 
.tonight...north winds 15 to 25 knots. rain showers likely early,
then a slight chance of rain showers from late evening on. waves
5 to 8 feet subsiding to 3 to 6 feet. waves occasionally around
10 feet. 
.friday...north winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of rain showers in the morning. waves 3 to
5 feet subsiding to 2 to 4 feet. 
.friday night...north winds 10 to 15 knots becoming northwest.
waves 1 to 3 feet. 
.saturday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of rain showers. waves 2 to 4 feet building to
3 to 5 feet, then subsiding to 2 to 4 feet. 
.sunday...northwest winds 10 to 15 knots. a chance of showers
during the day. waves 1 to 3 feet. 
.monday...northwest winds 10 knots or less becoming west. waves
1 foot or less. 

$$