Great Lakes Forecast
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
241 FZUS61 KBUF 230815 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 415 AM EDT Sun Jun 23 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 29.6 inch low over the Upper Great Lakes will push a frontal boundary northward to the Quebec border by daybreak today. The low will deepen to 29.4 inches throughout the rest of today while passing to the north of the lake. A cold front will move across the region late this afternoon and evening. A 30.0 inch high centered over the Ohio Valley on Monday will extend northwards across the Great Lakes. The axis of the high pressure will cross the lake Monday night and Tuesday. The next cold front will then cross the lake Wednesday. Another 30.0 inch high will then build across the central Great Lakes and into the lower Lakes Thursday. LOZ062-231515- Lake Ontario open waters from the Niagara River to Hamlin Beach- 415 AM EDT Sun Jun 23 2024 .TODAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots. Showers likely with a chance of thunderstorms through early afternoon, then a chance of showers late. Some thunderstorms may produce gusty winds through early afternoon. Waves 1 to 3 feet building to 3 to 5 feet. .TONIGHT...West winds 15 to 20 knots becoming northwest. A chance of showers early. A chance of showers late. Waves 3 to 5 feet. .MONDAY...Northwest winds 15 to 20 knots becoming west and diminishing to 5 to 10 knots. A chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet. .MONDAY NIGHT...West winds 5 to 15 knots. Waves 1 to 2 feet. .TUESDAY...Southwest winds 5 to 15 knots. A chance of showers Tuesday night. Waves 1 to 3 feet. .WEDNESDAY...Southwest winds 5 to 15 knots becoming northwest. A chance of showers. Waves 1 to 3 feet. .THURSDAY...North winds 5 to 10 knots becoming northeast. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-231515- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 415 AM EDT Sun Jun 23 2024 .TODAY...South winds 10 to 15 knots becoming southwest 15 to 20 knots. Showers with a chance of thunderstorms. Some thunderstorms may produce gusty winds. Waves 1 to 3 feet building to 3 to 5 feet. .TONIGHT...Southwest winds 15 to 20 knots becoming west. A chance of showers in the evening. A chance of showers late. Waves 3 to 5 feet. .MONDAY...Northwest winds 15 to 25 knots. Showers likely in the morning, then a chance of showers in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet. .MONDAY NIGHT...West winds 5 to 10 knots. A chance of showers in the evening. Waves 1 to 3 feet subsiding to 1 foot or less. .TUESDAY...West winds 5 to 15 knots becoming southwest. A chance of showers Tuesday night. Waves 1 to 3 feet. .WEDNESDAY...South winds 10 to 15 knots becoming northwest. Showers likely. Waves 1 to 3 feet. .THURSDAY...North winds 5 to 15 knots becoming northeast. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ061-231515- MAFOR 2309/ ONTARIO WEST 1/2 11510 12526 11520 13620 11610. A chance of thunderstorms today. Waves 1 to 3 feet building to 3 to 5 feet today. Waves 3 to 5 feet tonight. ONTARIO EAST 1/2 11416 12516 12526 12620 11610. A chance of thunderstorms today. Waves 1 to 3 feet building to 2 to 4 feet today. Waves 2 to 4 feet building to 3 to 5 feet tonight. $$ EAJ