Eastern Lake Superior
Forecast
Marine Forecast
Issued 10:30 AM EDT 23 March 2023
Today Tonight and Friday.
Wind northwest 30 knots diminishing to northwest 20 near noon and to northwest 15 this evening. Wind diminishing to light late overnight then becoming south 10 Friday morning. Wind increasing to southeast 15 Friday evening.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EDT 23 March 2023
Today Tonight and Friday.
Waves 2 to 3 metres subsiding to 1 to 1.5 this afternoon and to
0.5 early Friday morning.
Extended Forecast
Issued 03:00 AM EDT 23 March 2023
Saturday
Wind southeast 15 knots backing to northeast
20 in the morning.
Sunday
Wind northwest 20 knots.
Monday
Wind northwest 15 knots diminishing to
light.
Ice Forecast*
Issued 12:00 PM EDT 23 March 2023 Today Tonight and Friday Open water except 1 tenth medium lake ice along parts of the
southern and eastern shores.
*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 23 March 2023 Today Tonight and FridayIce Coverage
Open water except 1 tenth medium lake ice along parts of the
southern and eastern shores.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EDT 23 March 2023 Today Tonight and Friday At 10:30 a.m. EDT today low 1000 mb located southeast of James Bay.By 10:30 a.m. EDT Friday low 1010 mb located over central Quebec.
At 10:30 a.m. EDT today trough located on a line northeast-southwest
over southern Ontario.
By 10:30 a.m. EDT Friday departing trough located on a line
northwest-southeast over the Maritimes.
At 10:30 a.m. EDT today high 1023 mb located over southeastern
Minnesota.
By 10:30 a.m. EDT Friday high 1022 mb located over northeastern
Ontario.
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