Eastern Lake Superior
Forecast
Marine Forecast
Issued 10:30 AM EDT 15 June 2025
Today Tonight and Monday.
Wind light becoming southeast 10 knots near midnight. Wind southeast 10 Monday.
Scattered showers Monday evening with a risk of thunderstorms. Fog patches forming early Monday morning.
Waves
Issued 10:30 AM EDT 15 June 2025
Today Tonight and Monday.
Waves less than 0.5 metres building to 0.5 late
overnight.
Extended Forecast
Issued 03:00 AM EDT 15 June 2025
Tuesday
Wind east 20 knots becoming west 20 in the
afternoon.
Wednesday
Wind light.
Thursday
Wind light becoming northeast 15
knots.
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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 16 May 2025 Forecasts have ended for the season.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EDT 15 June 2025 Today Tonight and Monday At 10:30 a.m. EDT today high 1025 mb located over James Bay.By 10:30 a.m. EDT Monday high 1024 mb located near Nova Scotia.
By 10:30 a.m. EDT Monday low 1007 mb located over eastern South
Dakota.
Great Lakes - Lake Superior Area
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