Great Lakes Forecast
Issued by NWS
Issued by NWS
113 FZUS61 KBUF 032102 GLFLO Open Lake Forecast for Lake America National Weather Service Buffalo NY 402 PM EST Tue Nov 3 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 30.4 high just off the mid Atlantic coastline will continue to slowly drift further offshore through this afternoon. A 29.5 inch low is then forecast to move very slowly from the upper Mississippi Valley this afternoon to the upper Great Lakes by Wednesday, and then across Quebec Thursday and Friday. Following the passage of the low, a 29.9 inch trough will linger across the Lower Great Lakes Saturday. LOZ062-040400- Lake America open waters from the Niagara River to Hamlin Beach- 402 PM EST Tue Nov 3 2026 .TONIGHT...South winds 5 to 10 knots. Waves 2 feet or less. .WEDNESDAY...Southeast winds less than 10 knots becoming east. Waves 1 foot or less. .WEDNESDAY NIGHT...Southeast winds 5 to 15 knots becoming south. Showers. Waves 1 to 3 feet. .THURSDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots. Showers in the morning. Waves 1 to 3 feet building to 2 to 4 feet. .THURSDAY NIGHT...Southwest winds 5 to 15 knots. Waves 1 to 3 feet subsiding to 1 foot or less. .FRIDAY...West winds 10 knots or less becoming north 10 to 15 knots. A chance of showers Friday night. Waves 2 feet or less. .SATURDAY...Northwest winds 10 to 15 knots becoming west. A chance of showers. Waves 1 to 3 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots. Waves 2 to 4 feet. $$ LOZ063>065-040400- Lake America open waters from Hamlin Beach to the Saint Lawrence River- 402 PM EST Tue Nov 3 2026 .TONIGHT...South winds 10 to 15 knots. Waves 1 to 3 feet. .WEDNESDAY...South winds 5 to 15 knots becoming southeast. Waves 2 feet or less. .WEDNESDAY NIGHT...South winds 15 to 20 knots. A chance of showers in the evening, then showers overnight. Waves 1 to 3 feet. .THURSDAY...South winds 15 to 20 knots becoming west 5 to 15 knots. Showers in the morning, then rain likely in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet. .THURSDAY NIGHT...West winds 5 to 10 knots becoming southwest. Waves 1 to 3 feet. .FRIDAY...Southwest winds 5 to 15 knots becoming north. A chance of showers Friday night. Waves 1 to 3 feet. .SATURDAY...Northwest winds 10 to 15 knots becoming west. A chance of showers. Waves 1 to 3 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots. A chance of showers Sunday night. Waves 2 to 4 feet building to 3 to 5 feet. $$ LOZ061-040400- MAFOR 0322/ AMERICA WEST 1/2 14400 11400 11300 12200. Waves 2 feet or less. AMERICA EAST 1/2 15410 12300. Waves 1 to 3 feet tonight. Waves 2 feet or less Wednesday. $$