####018003469#### FZUS61 KBUF 020246 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 1046 PM EDT Wed May 1 2024 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 weak cold front will cross the Lake tonight, before a 30.1 inch high moves across the Lake on Thursday. Meanwhile, a 29.6 inch low will develop across the central Plains on Thursday, then weaken to 29.8 inches as it nears western Lake Superior on Friday. A warm front will extend eastward from this low towards the Lake Thursday night, before crossing the Lake on Friday. Low pressure will pass by to the north, with a cold front crossing the Lake on Saturday, followed by another cold front on Sunday. LOZ062-020900- Lake Ontario open waters from the Niagara River to Hamlin Beach- 1046 PM EDT Wed May 1 2024 .REST OF TONIGHT...East winds 5 to 10 knots becoming west. A chance of showers late this evening. Patchy fog. Waves 1 to 2 feet. .THURSDAY...West winds 5 to 15 knots becoming southwest. Patchy fog early. Waves 2 feet or less. .THURSDAY NIGHT...Southwest winds 10 knots or less becoming east. Waves 2 feet or less. .FRIDAY...East winds 10 to 15 knots increasing to 15 to 20 knots. Waves 1 to 3 feet building to 2 to 4 feet. .FRIDAY NIGHT...East winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of showers. Waves 2 to 4 feet. .SATURDAY...East winds 10 to 15 knots becoming southeast. Showers likely during the day, then a chance of showers Saturday night. Waves 1 to 3 feet. .SUNDAY...South winds 5 to 10 knots becoming west. A chance of showers. Waves 1 to 2 feet. .MONDAY...West winds 5 to 10 knots becoming south. Waves 2 feet or less. $$ LOZ063>065-020900- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 1046 PM EDT Wed May 1 2024 .REST OF TONIGHT...Southeast winds 5 to 15 knots becoming west. A chance of showers late this evening. Patchy fog late. Waves 1 to 3 feet. .THURSDAY...West winds 10 to 15 knots. Patchy fog early. Waves 1 to 3 feet building to 2 to 4 feet. .THURSDAY NIGHT...West winds 10 knots or less becoming southeast. Waves 1 to 3 feet subsiding to 1 foot or less. .FRIDAY...East winds 5 to 15 knots becoming northeast. Waves 1 to 3 feet. .FRIDAY NIGHT...East winds 15 to 20 knots becoming southeast 10 to 15 knots. A chance of showers overnight. Waves 1 to 3 feet building to 2 to 4 feet, then subsiding to 1 to 3 feet. .SATURDAY...Southeast winds 10 to 15 knots increasing to 15 to 20 knots. Showers likely. Waves 1 to 3 feet. .SUNDAY...Southeast winds 15 to 20 knots becoming west 10 to 15 knots. Showers likely during the day, then a chance of showers Sunday night. Waves 1 to 3 feet. .MONDAY...West winds 5 to 10 knots becoming south. Waves 2 feet or less. $$ LOZ061-020900- MAFOR 0203/ ONTARIO WEST 1/2 11600 14610 11610 12500. Waves 1 to 3 feet overnight and Thursday. Waves 2 feet or less Thursday evening. ONTARIO EAST 1/2 11410 14610 11610 11600 11500. A chance of showers late this evening. Waves 1 to 3 feet overnight. Waves 1 to 3 feet building to 2 to 4 feet Thursday. Waves 1 to 3 feet Thursday evening. $$ ####018001081#### FZUS61 KBUF 020246 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1046 PM EDT Wed May 1 2024 SLZ022-024-020900- Saint Lawrence River from Cape Vincent to Saint Regis 1046 PM EDT Wed May 1 2024 .OVERNIGHT...East winds 10 knots or less becoming southwest. Showers likely. .THURSDAY...Southwest winds 5 to 10 knots becoming west. Patchy fog early. .THURSDAY NIGHT...Northwest winds less than 10 knots becoming northeast. Mostly cloudy. .FRIDAY...Northeast winds 10 knots or less. Mostly cloudy. .FRIDAY NIGHT...Northeast winds 10 knots or less becoming east. A chance of showers overnight. .SATURDAY...Southeast winds 10 knots or less becoming south 10 to 15 knots. A chance of showers during the day, then showers likely Saturday night. .SUNDAY...South winds 5 to 15 knots becoming southwest. Showers likely during the day, then a chance of showers Sunday night. .MONDAY...West winds 5 to 10 knots becoming southwest. Partly cloudy. $$