![National Oceanic and Atmospheric Administration](/build/images/header/noaa.d87e0251.png)
![National Weather Service](/build/images/header/nws.4e6585d8.png)
![United States Department of Commerce](/build/images/header/doc.b38ba91a.png)
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
35
36
37
816 FZUS61 KBUF 270755 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 355 AM EDT Thu Jun 27 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 30.0 inch high over the Upper Great Lakes will build across the Lower Great Lakes through tonight...then will slide out across New England on Friday. A 29.7 inch low will then track from the Upper Mississippi Valley to Quebec Friday night through Sunday...with another cold front crossing the region between later Saturday night and Sunday morning. A 30.3 inch high will then build across the Great Lakes on Monday. LOZ062-271515- Lake Ontario open waters from the Niagara River to Hamlin Beach- 355 AM EDT Thu Jun 27 2024 .TODAY...Northwest winds 10 to 15 knots becoming west. Waves 1 to 3 feet. .TONIGHT...West winds 5 to 15 knots becoming northeast less than 10 knots. Waves 2 feet or less. .FRIDAY...Southeast winds 5 to 15 knots becoming east. Waves 1 foot or less building to 1 to 3 feet. .FRIDAY NIGHT...East winds 15 to 20 knots becoming south 5 to 15 knots. A chance of showers overnight. Waves 1 to 3 feet. .SATURDAY...South winds 10 to 15 knots becoming southwest. Showers with a chance of thunderstorms. Waves 1 to 2 feet building to 2 to 4 feet. .SUNDAY...West winds 15 to 20 knots becoming northwest 10 to 15 knots. Waves 2 to 4 feet building to 3 to 5 feet, then subsiding to 2 to 4 feet. .MONDAY...North winds 5 to 15 knots becoming southeast less than 10 knots. Waves 1 to 3 feet subsiding to 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-271515- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 355 AM EDT Thu Jun 27 2024 .TODAY...Northwest winds 10 to 15 knots becoming west 15 to 20 knots. Waves 1 to 3 feet building to 2 to 4 feet. .TONIGHT...West winds 15 to 20 knots becoming east 5 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. .FRIDAY...Southeast winds 5 to 15 knots becoming east. Waves 2 feet or less. .FRIDAY NIGHT...East winds 10 to 15 knots becoming south 15 to 20 knots. Waves 1 to 3 feet. .SATURDAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots. Showers with a chance of thunderstorms. Waves 2 to 4 feet building to 3 to 5 feet, then subsiding to 2 to 4 feet. .SUNDAY...West winds 15 to 20 knots becoming northwest 10 to 15 knots. Waves 2 to 4 feet building to 3 to 5 feet, then subsiding to 2 to 4 feet. .MONDAY...North winds 5 to 15 knots becoming southwest less than 10 knots. Waves 1 to 3 feet subsiding to 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ061-271515- MAFOR 2709/ ONTARIO WEST 1/2 12710 13610 11710 11800 11100. Waves 1 to 3 feet. ONTARIO EAST 1/2 13710 11610 11620 11710 11800 11100. Waves 1 to 3 feet building to 2 to 4 feet today. Waves 2 to 4 feet subsiding to 1 to 3 feet tonight. $$ JJR