Marine Forecast
Issued 10:30 AM EDT 11 April 2025
Today Tonight and Saturday.
Wind light becoming southwest 10 knots this afternoon then
backing to south 10 this evening. Wind increasing to south 15 Saturday
afternoon.
Showers Saturday evening. Fog patches dissipating near
noon.
Strong wind warning program has ended for the season.
Winds
Issued 10:30 AM EDT 11 April 2025
Today Tonight and Saturday.
Wind light becoming southwest 10 knots this afternoon then
backing to south 10 this evening. Wind increasing to south 15 Saturday
afternoon.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EDT 11 April 2025
Today Tonight and Saturday.
Waves 0.5 metres or less building to 0.5 to 1 Saturday
evening.
Weather & Visibility
Issued 10:30 AM EDT 11 April 2025
Today Tonight and Saturday.
Showers Saturday evening. Fog patches dissipating near
noon.
Ice ForecastsIssued 12:00 PM EDT 11 April 2025 Today Tonight and Saturday
Ice Coverage
Open water except 1 tenth thick lake ice along parts of the shores. Consolidated thick lake ice in Black Bay, Nipigon Bay and extreme northeastern section of Thunder Bay.
No watches or warnings in effect.
Technical Marine SynopsisIssued 10:30 AM EDT 11 April 2025 Today Tonight and Saturday At 10:30 a.m. EDT today ridge located on a line northeast-southwest over northeastern Ontario. By 10:30 a.m. EDT Saturday ridge located on a line northeast-southwest over central Ontario.
At 10:30 a.m. EDT today dissipating trough located on a line northeast-southwest over Lake Ontario.
By 10:30 a.m. EDT Saturday approaching low 1003 mb located over eastern Manitoba.
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