Marine Forecast
Issued 03:00 AM EDT 01 July 2025
Today Tonight and Wednesday.
Wind west 10 knots veering to northwest 10 early this morning
then increasing to west 15 to 20 near noon. Wind diminishing to west 10 this
evening. Wind west 10 Wednesday.
Scattered showers this afternoon and this evening with a
risk of thunderstorms. Scattered showers Wednesday afternoon and evening. Fog
patches dissipating Wednesday evening.
Winds
Issued 03:00 AM EDT 01 July 2025
Today Tonight and Wednesday.
Wind west 10 knots veering to northwest 10 early this morning
then increasing to west 15 to 20 near noon. Wind diminishing to west 10 this
evening. Wind west 10 Wednesday.
Waves
Issued 03:00 AM EDT 01 July 2025
Today Tonight and Wednesday.
Waves 0.5 metres or less building to 0.5 to 1 this afternoon then
subsiding to 0.5 or less near midnight.
Weather & Visibility
Issued 03:00 AM EDT 01 July 2025
Today Tonight and Wednesday.
Scattered showers this afternoon and this evening with a
risk of thunderstorms. Scattered showers Wednesday afternoon and evening. Fog
patches dissipating Wednesday evening.
Ice ForecastsIssued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
No watches or warnings in effect.
Technical Marine SynopsisIssued 3:00 AM EDT 1 July 2025 Today Tonight and Wednesday At 3:00 a.m. EDT today trough located on a line northeast-southwest over central Ontario. By 3:00 a.m. EDT Wednesday trough located on a line northeast-southwest over the St. Lawrence River.
At 3:00 a.m. EDT today ridge located on a line northwest-southeast over Nebraska. By 3:00 a.m. EDT Wednesday ridge located from Manitoba to Indiana.
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