FZUS61 KBUF 022103 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 403 PM EST Mon Mar 2 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 strong 30.7 inch surface high will drift eastward away from the Lake this evening. A weak 30.1 inch low will move from the Ohio Valley late Tuesday to off the New England coast Tuesday night. A 30.3 inch high will briefly build over the lower Great Lakes Wednesday before moving off the New England coast Wednesday night. A 29.8 inch low is then forecast to move from the mid Mississippi Valley Wednesday night to the lower Great Lakes Thursday night before weakening across southern New England Friday. Another 29.6 inch surface low will cut northeastward through the Central Great Lakes Saturday. LOZ062-063-030400- Lake Ontario open waters from the Niagara River to Sodus Bay- 403 PM EST Mon Mar 2 2026 .TONIGHT...East winds 5 to 15 knots becoming south. Waves 2 feet or less. .TUESDAY...South winds 5 to 15 knots becoming southeast. A chance of rain in the afternoon. Waves 2 feet or less. .TUESDAY NIGHT...East winds 10 knots or less becoming west. A chance of rain. Waves 1 foot or less. .WEDNESDAY...West winds less than 10 knots becoming east. Waves 1 foot or less. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less. .THURSDAY...Northeast winds 10 to 15 knots becoming east and increasing to 15 to 25 knots. A chance of rain showers during the day, then rain showers Thursday night. Waves 1 to 3 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .FRIDAY...Northeast winds 15 to 20 knots becoming south. Rain showers likely. Waves 3 to 6 feet subsiding to 2 to 4 feet. .SATURDAY...Southwest winds 15 to 25 knots becoming west. Showers likely. Waves 2 to 4 feet building to 3 to 6 feet. $$ LOZ064-065-030400- Lake Ontario open waters from Sodus Bay to the Saint Lawrence River- 403 PM EST Mon Mar 2 2026 .TONIGHT...Southeast winds 5 to 15 knots becoming south. Waves 1 to 3 feet. .TUESDAY...South winds 10 to 15 knots becoming southeast. A chance of rain and snow in the afternoon. Waves 1 to 3 feet. .TUESDAY NIGHT...Southeast winds 10 knots or less becoming west. A chance of rain and snow in the evening, then a chance of rain overnight. Waves 1 foot or less. .WEDNESDAY...West winds less than 10 knots becoming south. Waves 1 foot or less. .WEDNESDAY NIGHT...Southeast winds 10 knots or less becoming east. Waves 1 foot or less. .THURSDAY...Northeast winds 10 to 15 knots becoming east 15 to 20 knots. A chance of rain showers during the day, then rain showers with freezing rain likely Thursday night. Waves 2 feet or less building to 3 to 5 feet. .FRIDAY...East winds 15 to 20 knots becoming southeast. Rain showers with a chance of freezing rain during the day, then rain showers likely Friday night. Waves 3 to 5 feet subsiding to 2 to 4 feet. .SATURDAY...South winds 15 to 20 knots becoming southwest. Rain showers. Waves 3 to 6 feet. $$ LOZ061-030400- MAFOR 0222/ ONTARIO WEST 1/2 11200 12300 12400 11300 12200. A chance of rain Tuesday afternoon. Waves 1 foot or less. ONTARIO EAST 1/2 12300 11310 13410 11310 11300. A chance of rain and snow Tuesday afternoon. Waves 1 to 3 feet. $$