Western Lake Superior
Forecast
Marine Forecast
Issued 06:30 PM EDT 18 March 2024
Tonight and Tuesday.
Wind southwest 15 knots increasing to southwest 20 this evening then veering to northwest 15 early Tuesday morning. Wind increasing to northwest 25 Tuesday afternoon and to northwest 30 Tuesday evening.
Scattered flurries changing to snow this evening then to scattered flurries Tuesday morning. Visibility 1 mile or less in snow.
Strong wind warning program has ended for the season.
Waves
Issued 06:30 PM EDT 18 March 2024
Tonight and Tuesday.
Waves 1 metre building to 1 to 1.5 near midnight and to 2 to 3
Tuesday evening.
Extended Forecast
Issued 06:30 PM EDT 18 March 2024
Wednesday
Wind northwest 35 knots diminishing to
northwest 30 in the morning and to northwest 20 late in the day.
Thursday
Wind northwest 15 knots diminishing to
light.
Friday
Wind light increasing to northwest 20 knots
late in the day.
Ice Forecast*
Issued 12:00 PM EDT 18 March 2024 Today Tonight and Tuesday Open water except CONSOLIDATED rotten thick lake ice in Black Bay,
Nipigon Bay, and parts of Thunder Bay.
*Ice Forecast and Warnings also apply to U.S. waters
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Weather Conditions
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Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
Issued 12:00 PM EDT 18 March 2024 Today Tonight and TuesdayIce Coverage
Open water except CONSOLIDATED rotten thick lake ice in Black Bay,
Nipigon Bay, and parts of Thunder Bay.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 6:30 PM EDT 18 March 2024 Tonight and Tuesday At 6:30 p.m. EDT tonight departing trough located on a lineeast-west over Lake Erie.
At 6:30 p.m. EDT tonight dissipating ridge located on a line
northeast-southwest over Lake Superior.
At 6:30 p.m. EDT tonight low 1002 mb located over northern Manitoba.
By 6:30 p.m. EDT Tuesday low 999 mb located over northeastern
Ontario.
Great Lakes - Lake Superior Area
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