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
38
39
40
41
42
999 FZUS61 KBUF 262140 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 540 PM EDT Sun May 26 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 will slide eastward across the Canadian Maritimes tonight. Meanwhile a 29.5 inch low will track northeast into Michigan tonight while sending its warm front through the lakes. This low will then deepen to 29.4 inches while heading off into southeast Ontario on Monday while dragging a cold front through the lakes. The low will begin to weaken Monday night as it tracks northeast across Quebec through the day Tuesday. A 30.3 inch high centered over the Hudson Bay will begin to build southward Tuesday night through Wednesday night, then across the Great Lakes Thursday and Friday. LOZ062-270315- Lake Ontario open waters from the Niagara River to Hamlin Beach- 540 PM EDT Sun May 26 2024 .TONIGHT...East winds 15 to 20 knots becoming southeast 10 to 15 knots. Showers with a chance of thunderstorms after midnight. Waves 1 to 3 feet building to 3 to 5 feet. .MONDAY...Southeast winds 10 to 15 knots becoming southwest 15 to 20 knots. Showers with a chance of thunderstorms through early afternoon, then a chance of showers and thunderstorms late. Some thunderstorms may produce gusty winds. Waves 2 to 4 feet subsiding to 1 to 3 feet. .MONDAY NIGHT...Southwest winds 15 to 20 knots. A chance of showers and thunderstorms in the evening. Waves 1 to 3 feet building to 3 to 6 feet. .TUESDAY...West winds 15 to 20 knots. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Waves 3 to 5 feet. .TUESDAY NIGHT...West winds 10 to 15 knots becoming northwest. A chance of showers and thunderstorms in the evening, then a chance of showers overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet. .WEDNESDAY...Northwest winds 5 to 15 knots. A chance of showers during the day. Waves 1 to 3 feet. .THURSDAY...Northwest winds 10 to 15 knots. Waves 2 to 3 feet. .FRIDAY...Northwest winds 10 to 15 knots. Waves 1 to 2 feet. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-270315- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 540 PM EDT Sun May 26 2024 .TONIGHT...Northeast winds 10 to 15 knots becoming southeast 15 to 20 knots. A chance of showers and thunderstorms after midnight. Showers likely with a chance of thunderstorms late. Waves 1 foot or less building to 1 to 3 feet. .MONDAY...Southeast winds 15 to 20 knots becoming south. A chance of showers and thunderstorms early, then showers with a chance of thunderstorms from late morning on. Some thunderstorms may produce gusty winds from late morning on. Waves 2 to 4 feet building to 3 to 5 feet, then subsiding to 2 to 4 feet. .MONDAY NIGHT...Southwest winds 10 to 15 knots increasing to 15 to 20 knots. Showers with a chance of thunderstorms in the evening, then a chance of showers overnight. Some thunderstorms may produce gusty winds in the evening. Waves 1 to 3 feet building to 3 to 5 feet. .TUESDAY...Southwest winds 15 to 20 knots becoming west. A chance of showers and thunderstorms in the afternoon. Waves 3 to 5 feet. .TUESDAY NIGHT...West winds 15 to 20 knots diminishing to 5 to 15 knots. A chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet. .WEDNESDAY...Northwest winds 5 to 15 knots. A chance of showers. Waves 1 to 3 feet. .THURSDAY...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots. Waves 2 to 4 feet. .FRIDAY...Northwest winds 5 to 15 knots. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ061-270315- MAFOR 2621/ ONTARIO WEST 1/2 11210 12220 11216 12316 11416 11510. A chance of thunderstorms overnight and Monday. Waves 1 foot or less building to 3 to 5 feet tonight. Waves 2 to 4 feet subsiding to 1 to 3 feet Monday. ONTARIO EAST 1/2 11100 11110 11210 11310 12320 11326 11426. A chance of thunderstorms overnight and Monday. Waves 1 to 3 feet tonight. Waves 2 to 4 feet Monday. $$