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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 17 March 2026

Today Tonight and Wednesday.

Wind northwest 25 knots diminishing to west 15 this evening then backing to southwest 15 early Wednesday morning. Wind backing to south 20 late Wednesday morning then increasing to south 25 near noon Wednesday.

Scattered flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Over open water freezing spray ending near noon. Risk of freezing spray this afternoon and early this evening. Risk of freezing spray Wednesday afternoon and evening.

Waves

Issued 10:30 AM EDT 17 March 2026
Today Tonight and Wednesday. Over open water waves 2 metres subsiding to 1 to 1.5 near noon and to 0.5 to 1 near midnight. Waves building to 1.5 near noon Wednesday.

Extended Forecast

Issued 03:00 AM EDT 17 March 2026
Thursday Wind southwest 20 knots diminishing to light in the afternoon.
Friday Wind light.
Saturday Wind light increasing to south 20 knots.

Ice Forecast*

Issued 12:00 PM EDT 17 March 2026 Today Tonight and Wednesday 3 tenths new lake ice including 1 tenth thick lake ice except 9 tenths medium lake ice including 4 tenths thick lake ice along parts of the northwestern shore. 9 tenths thick lake ice along parts of the Bruce Peninsula shore. Consolidated thick lake ice along parts of the shore and near the Straits of Mackinac.

*Ice Forecast and Warnings also apply to U.S. waters

    

[ Canadian Ice Service ]

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Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Northern Lake Huron

Issued 12:00 PM EDT 17 March 2026 Today Tonight and Wednesday

Ice Coverage

3 tenths new lake ice including 1 tenth thick lake ice except 9
tenths medium lake ice including 4 tenths thick lake ice along parts
of the northwestern shore. 9 tenths thick lake ice along parts of
the Bruce Peninsula shore. Consolidated thick lake ice along parts
of the shore and near the Straits of Mackinac.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 17 March 2026 Today Tonight and Wednesday

Ice Coverage

Open water except 7 tenths new lake ice including 1 tenth thick lake
ice along parts of the shores. 9 tenths new lake ice including 3
tenths thick lake ice north of and east of Beaver Island.
Consolidated thick lake ice near the Straits of Mackinac.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 17 March 2026 Today Tonight and Wednesday

Ice Coverage

Open water.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 17 March 2026 Today Tonight and Wednesday

Ice Coverage

5 tenths thick lake ice. Consolidated thick lake ice in Bays de Noc
and along parts of the Green Bay shores.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Northern Lake Huron

Issued 10:30 AM EDT 17 March 2026

Moderate or severe freezing spray is occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 17 March 2026 Today Tonight and Wednesday At 10:30 a.m. EDT today departing low 959 mb located over northern
Quebec.

At 10:30 a.m. EDT today ridge located on a line north-south over
northwestern Ontario.
By 10:30 a.m. EDT Wednesday ridge located on a line north-south
over eastern Ontario.

By 10:30 a.m. EDT Wednesday approaching low 1003 mb located over
southern Manitoba.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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