Marine Forecast
Issued 06:30 PM EST 05 December 2025
Tonight and Saturday.
Wind southwest 25 knots increasing to southwest 30 near midnight
then veering to west 25 early Saturday morning. Wind veering to northwest 25
near noon Saturday then diminishing to north 10 Saturday evening.
Flurries. Visibility 1 mile or less in
flurries.
Strong wind warning program has ended for the season.
Winds
Issued 06:30 PM EST 05 December 2025
Tonight and Saturday.
Wind southwest 25 knots increasing to southwest 30 near midnight
then veering to west 25 early Saturday morning. Wind veering to northwest 25
near noon Saturday then diminishing to north 10 Saturday evening.
Strong wind warning program has ended for the season.
Waves
Issued 06:30 PM EST 05 December 2025
Tonight and Saturday.
Waves 2 metres building to 2 to 3 late overnight then subsiding
to 2 Saturday morning. Waves subsiding to 1 Saturday evening.
Weather & Visibility
Issued 06:30 PM EST 05 December 2025
Tonight and Saturday.
Flurries. Visibility 1 mile or less in
flurries.
Ice ForecastsLake HuronIssued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.Ice ForecastsLake MichiganIssued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
No watches or warnings in effect.
Technical Marine SynopsisIssued 6:30 PM EST 5 December 2025 Tonight and Saturday At 6:30 p.m. EST tonight ridge located on a line north-south over eastern Quebec. By 6:30 p.m. EST Saturday departing ridge located on a line north-south over Labrador.
At 6:30 p.m. EST tonight cold front located on a line northeast-southwest over northern Ontario. By 6:30 p.m. EST Saturday cold front located on a line northeast-southwest over Lake Huron.
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