Marine Forecast
Issued 06:30 PM EDT 04 August 2026
Tonight and Wednesday.
Wind south 15 knots veering to southwest 15 near midnight then
diminishing to southwest 10 early Wednesday morning. Wind veering to northwest
10 Wednesday evening.
Scattered showers Wednesday afternoon and evening with a
risk of thunderstorms.
Winds
Issued 06:30 PM EDT 04 August 2026
Tonight and Wednesday.
Wind south 15 knots veering to southwest 15 near midnight then
diminishing to southwest 10 early Wednesday morning. Wind veering to northwest
10 Wednesday evening.
Waves
Issued 06:30 PM EDT 04 August 2026
Tonight and Wednesday.
Waves 0.5 to 1 metre subsiding to 0.5 or less Wednesday
morning.
Weather & Visibility
Issued 06:30 PM EDT 04 August 2026
Tonight and Wednesday.
Scattered showers Wednesday afternoon and evening with a
risk of thunderstorms.
Ice ForecastsIssued 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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