Marine Forecasts

• Niagara River to Hamlin Beach
• Hamlin Beach to Sodus Bay
• Sodus Bay to Mexico Bay
• Mexico Bay to St. Lawrence River

• Today
  Southwest winds 10 to 15 knots becoming west. A chance of showers. Waves 1 to 3 feet.
• Tonight
  Southwest winds 5 to 10 knots becoming south. Mostly cloudy. Waves 1 to 3 feet.
• Friday
  South winds 5 to 10 knots becoming light and variable. A chance of waterspouts in the afternoon. A chance of showers in the afternoon. Waves 2 feet or less.
• Friday Night
  North winds 10 knots or less becoming northwest 10 to 15 knots. A chance of waterspouts. A chance of showers in the evening, then showers overnight. Waves 2 feet or less.
• Saturday
  North winds 10 to 15 knots becoming northwest 15 to 20 knots. A chance of waterspouts. Rain showers. Waves 1 to 3 feet building to 2 to 4 feet.
• Sunday
  Northwest winds 15 to 25 knots becoming west. A chance of waterspouts during the day. A chance of rain showers. Waves 3 to 6 feet building to 4 to 7 feet. Waves occasionally around 9 feet.
• Monday
  Northwest winds 15 to 20 knots becoming west. A chance of rain showers during the day. Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves occasionally around 9 feet.

FZUS61 KBUF 051503
GLFLO 

Open Lake Forecast for Lake America
National Weather Service Buffalo NY
1002 AM EST Thu Nov 5 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...An elongated 29.4 inch low over the central Great Lakes 
and Ontario will continue to cross into Quebec today and Friday. 
Following the passage of the low, a 29.9 inch trough will linger 
across the Lower Great Lakes Saturday. A secondary trough of 29.7 
inches will cross the Great Lakes Sunday. A ridge of 30.0 inches 
will build across the Great Lakes Monday.

LOZ062-052200-
Lake America open waters from the Niagara River to Hamlin Beach-
1002 AM EST Thu Nov 5 2026

.REST OF TODAY...Southwest winds 15 to 20 knots becoming west.
Waves 2 to 4 feet building to 3 to 5 feet. 
.TONIGHT...Southwest winds 15 to 20 knots diminishing to 5 to
15 knots. A chance of showers from late evening on. Waves 2 to
4 feet subsiding to 1 to 3 feet. 
.FRIDAY...Southwest winds 10 knots or less becoming west. A
chance of waterspouts. A chance of showers. Waves 1 foot or less.
.FRIDAY NIGHT...West winds 5 to 15 knots. A chance of
waterspouts. Showers. Waves 2 feet or less. 
.SATURDAY...West winds 10 to 15 knots becoming northwest 15 to
20 knots. A chance of waterspouts. Showers. Waves 1 to 3 feet
building to 2 to 4 feet. 
.SUNDAY...West winds 15 to 20 knots. A chance of showers Sunday
night. Waves 3 to 6 feet. 
.MONDAY...West winds 15 to 20 knots becoming southwest. A chance
of showers during the day. Waves 3 to 6 feet. 

$$

LOZ063>065-052200-
Lake America open waters from Hamlin Beach to the Saint Lawrence
River-
1002 AM EST Thu Nov 5 2026

.REST OF TODAY...Southwest winds 15 to 20 knots becoming west. A
chance of showers late this morning. Waves 1 to 3 feet building
to 2 to 4 feet. 
.TONIGHT...West winds 5 to 15 knots becoming southwest. Waves
2 to 4 feet subsiding to 1 to 3 feet. 
.FRIDAY...South winds 10 knots or less becoming north. A chance
of waterspouts. A chance of showers. Waves 2 feet or less. 
.FRIDAY NIGHT...Northwest winds 10 knots or less becoming west
10 to 15 knots. A chance of waterspouts. Showers. Waves 1 to
3 feet. 
.SATURDAY...Northwest winds 15 to 20 knots. A chance of
waterspouts. Showers. Waves 2 to 4 feet building to 3 to 5 feet. 
.SUNDAY...Northwest winds 15 to 25 knots. A chance of waterspouts
during the day. A chance of showers. Waves 3 to 6 feet building
to 5 to 8 feet. Waves occasionally around 10 feet. 
.MONDAY...Northwest winds 15 to 25 knots becoming west. A chance
of showers during the day. Waves 5 to 8 feet subsiding to 3 to
5 feet. Waves occasionally around 10 feet. 

$$

LOZ061-052200-
MAFOR 0516/
AMERICA WEST 1/2 11520 11620 11610 11510 14500. A chance of
waterspouts Friday morning. A chance of showers Friday morning.
Waves 2 to 4 feet building to 3 to 5 feet this afternoon. Waves 2
to 4 feet subsiding to 1 to 3 feet tonight. Waves 1 foot or less
Friday morning. 

AMERICA EAST 1/2 11510 12610 11510 12500 12400. Waves 1 to 3 feet
building to 2 to 4 feet this afternoon. Waves 2 to 4 feet
subsiding to 1 to 3 feet tonight. Waves 2 feet or less Friday
morning. 

$$