Marine Forecast
Issued 06:30 PM EDT 04 August 2026
Tonight and Wednesday.
Wind south 15 knots diminishing to south 10 Wednesday morning
then becoming northwest 10 Wednesday evening.
Scattered showers Wednesday late in the day with a risk of
thunderstorms.
Winds
Issued 06:30 PM EDT 04 August 2026
Tonight and Wednesday.
Wind south 15 knots diminishing to south 10 Wednesday morning
then becoming northwest 10 Wednesday evening.
Waves
Issued 06:30 PM EDT 04 August 2026
Tonight and Wednesday.
Waves 1 metre subsiding to 0.5 near noon Wednesday.
Weather & Visibility
Issued 06:30 PM EDT 04 August 2026
Tonight and Wednesday.
Scattered showers Wednesday late in the day with a risk of
thunderstorms.
Ice ForecastsLake HuronIssued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.Ice ForecastsLake MichiganIssued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
No watches or warnings in effect.
Technical Marine SynopsisIssued 6:30 PM EDT 4 August 2026 Tonight and Wednesday At 6:30 p.m. EDT tonight ridge located from New York State to South Dakota. By 6:30 p.m. EDT Wednesday ridge located on a line east-west over Nebraska.
At 6:30 p.m. EDT tonight trough located on a line northeast-southwest over eastern Lake Superior. By 6:30 p.m. EDT Wednesday weakening trough located on a line northeast-southwest over northeastern Ontario.
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