####018004106#### FZUS61 KBUF 130553 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 153 AM EDT Sat Apr 13 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 28.8 inch low just northeast of Georgian Bay will move north and weaken across northern Quebec overnight and Saturday. Meanwhile...a 30.1 inch surface ridge will move from the Mississippi valley to the upper Great Lakes. The area of high pressure will cross the Lake Saturday night. A 29.6 inch low will cross the Lake on Sunday. An expansive 30.0 inch high centered over Manitoba Sunday evening will build southeast across the Great Lakes region late Sunday night through Tuesday. A large storm system will move from the northern plains to the Upper Great Lakes Tuesday night and Wednesday. LOZ062-130930- Lake Ontario open waters from the Niagara River to Hamlin Beach- 153 AM EDT Sat Apr 13 2024 ...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON... .OVERNIGHT...West gales to 35 knots. Showers. Waves 9 to 13 feet. Waves occasionally around 16 feet. .SATURDAY...West gales to 35 knots. Rain showers early, then a chance of rain showers late in the morning. Waves 10 to 13 feet subsiding to 8 to 11 feet. Waves occasionally around 16 feet. .SATURDAY NIGHT...West winds 15 to 25 knots becoming southwest and diminishing to 10 to 15 knots. A chance of showers overnight. Waves 6 to 9 feet subsiding to 2 to 4 feet. Waves occasionally around 11 feet. .SUNDAY...South winds 10 to 15 knots becoming west. Showers. Waves 1 to 3 feet. .SUNDAY NIGHT...Northwest winds 10 to 15 knots. Showers in the evening. Waves 1 to 2 feet. .MONDAY...West winds 5 to 15 knots. Waves 2 feet or less. .TUESDAY...East winds 5 to 15 knots. A chance of showers Tuesday night. Waves 2 feet or less building to 2 to 3 feet. .WEDNESDAY...East winds 15 to 20 knots becoming southwest 10 to 15 knots. Showers likely. Waves 1 to 3 feet. $$ LOZ063>065-130930- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 153 AM EDT Sat Apr 13 2024 ...GALE WARNING IN EFFECT THROUGH THIS EVENING... .OVERNIGHT...West gales to 35 knots increasing to 40 knots. Showers. Waves 10 to 15 feet. Waves occasionally around 19 feet. .SATURDAY...West gales to 40 knots diminishing to 35 knots. Rain showers through early afternoon, then a chance of rain showers late. Waves 12 to 17 feet. Waves occasionally around 22 feet. .SATURDAY NIGHT...West gales to 35 knots diminishing to 15 to 25 knots. Waves 10 to 14 feet subsiding to 3 to 6 feet. Waves occasionally around 18 feet. .SUNDAY...Southwest winds 10 to 15 knots. Showers. Waves 3 to 5 feet subsiding to 1 to 3 feet. .SUNDAY NIGHT...Northwest winds 10 to 15 knots becoming west. Showers in the evening. Waves 1 to 2 feet. .MONDAY...West winds 10 to 15 knots diminishing to 5 to 10 knots. Waves 1 to 3 feet. .TUESDAY...East winds 5 to 15 knots. A chance of showers Tuesday night. Waves 1 to 3 feet. .WEDNESDAY...East winds 15 to 20 knots becoming south. Showers likely. Waves 1 to 3 feet. $$ LOZ061-130930- MAFOR 1303/ ONTARIO WEST 1/2...GALE WARNING IN EFFECT...13656 13650 11640 11630. Waves 7 to 10 feet building to 10 to 14 feet, and occasionally around 18 feet overnight. Waves 10 to 15 feet subsiding to 9 to 12 feet, and occasionally around 19 feet Saturday. Waves 7 to 10 feet subsiding to 4 to 7 feet, and occasionally around 13 feet Saturday evening. ONTARIO EAST 1/2...GALE WARNING IN EFFECT...11546 13656 13650 11640. Waves 7 to 10 feet building to 10 to 15 feet, and occasionally around 19 feet overnight. Waves 12 to 17 feet, and occasionally around 22 feet Saturday. Waves 10 to 14 feet subsiding to 8 to 11 feet, and occasionally around 18 feet Saturday evening. $$ ####018000970#### FZUS61 KBUF 130553 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 153 AM EDT Sat Apr 13 2024 SLZ022-024-130930- Saint Lawrence River from Cape Vincent to Saint Regis 153 AM EDT Sat Apr 13 2024 .OVERNIGHT...Southwest winds 15 to 20 knots. Rain showers likely. .SATURDAY...Southwest winds 10 to 15 knots becoming west 15 to 20 knots. Rain showers. .SATURDAY NIGHT...West winds 15 to 20 knots becoming southwest 5 to 15 knots. A chance of rain showers in the evening. .SUNDAY...Southwest winds 5 to 10 knots. Rain showers. .SUNDAY NIGHT...West winds 10 knots or less. Showers in the evening. .MONDAY...West winds 5 to 15 knots becoming southwest. Partly cloudy. .TUESDAY...West winds 5 to 10 knots becoming east. A chance of rain showers Tuesday night. .WEDNESDAY...East winds 5 to 15 knots becoming south. Rain showers likely. $$