Marine Forecast
Issued 03:00 AM EST 18 January 2025
Today Tonight and Sunday.
Wind southwest 30 knots diminishing to southwest 20 early this
morning then increasing to northwest 30 near noon. Wind diminishing to northeast
15 near midnight then veering to east 15 Sunday morning.
Rain or snow changing to scattered flurries this afternoon
then to snow near noon Sunday. Visibility 1 mile or less in
precipitation.
Risk of freezing spray tonight.
Strong wind warning program has ended for the season.
Winds
Issued 03:00 AM EST 18 January 2025
Today Tonight and Sunday.
Wind southwest 30 knots diminishing to southwest 20 early this
morning then increasing to northwest 30 near noon. Wind diminishing to northeast
15 near midnight then veering to east 15 Sunday morning.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EST 18 January 2025
Today Tonight and Sunday.
Waves 2 metres subsiding to 1 this morning then building to 2 to
3 this afternoon. Waves subsiding to 2 this evening and to 1 to 1.5
overnight.
Weather & Visibility
Issued 03:00 AM EST 18 January 2025
Today Tonight and Sunday.
Rain or snow changing to scattered flurries this afternoon
then to snow near noon Sunday. Visibility 1 mile or less in
precipitation.
Freezing Spray
Issued 03:00 AM EST 18 January 2025
Today Tonight and Sunday.
Risk of freezing spray tonight.
Ice ForecastsSouthern Lake HuronIssued 12:00 PM EST 17 January 2025 Today Tonight and Saturday
Ice Coverage
Open water except 3 tenths thin lake ice along parts of the shores. Consolidated medium lake ice in Saginaw Bay and along parts of the Bruce Peninsula.
Ice ForecastsNorthern Lake MichiganIssued 12:00 PM EST 17 January 2025 Today Tonight and Saturday
Ice Coverage
Open water except 9 tenths thin lake ice along the shores and in the Straits of Mackinac. Consolidated thin lake ice along parts of the shore.
Ice ForecastsSouthern Lake MichiganIssued 12:00 PM EST 17 January 2025 Today Tonight and Saturday
Ice Coverage
Open water except 8 tenths new lake ice including 3 tenths thin lake ice along the southern shore.
Ice ForecastsGreen BayIssued 12:00 PM EST 17 January 2025 Today Tonight and Saturday
Ice Coverage
5 tenths new lake ice including 2 tenths thin lake ice except 9 tenths thin lake ice including 3 tenths medium lake ice in Bays de Noc and southern Green Bay. Consolidated medium lake ice in northern Bays de Noc and southern Green Bay.
No watches or warnings in effect.
Technical Marine SynopsisIssued 3:00 AM EST 18 January 2025 Today Tonight and Sunday At 3:00 a.m. EST today cold front from 987 mb low located on a line northeast-southwest over northern Lake Huron. By 3:00 a.m. EST Sunday cold front from 994 mb low located on a line northeast-southwest over eastern Quebec.
By 3:00 a.m. EST Sunday ridge located on a line east-west over northern Ontario.
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