Marine Forecast
Issued 03:00 AM EDT 01 July 2025
Today Tonight and Wednesday.
Wind west 10 knots increasing to west 15 near noon and to west
15 to 20 early this evening. Wind diminishing to west 10 overnight then
increasing to southwest 15 near noon Wednesday. Wind increasing to northwest 15
to 20 Wednesday evening.
Scattered showers Wednesday late in the day with a risk of
thunderstorms. Fog patches dissipating near noon Wednesday.
Winds
Issued 03:00 AM EDT 01 July 2025
Today Tonight and Wednesday.
Wind west 10 knots increasing to west 15 near noon and to west
15 to 20 early this evening. Wind diminishing to west 10 overnight then
increasing to southwest 15 near noon Wednesday. Wind increasing to northwest 15
to 20 Wednesday evening.
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 Wednesday morning. Waves building to 0.5 to 1 Wednesday
afternoon.
Weather & Visibility
Issued 03:00 AM EDT 01 July 2025
Today Tonight and Wednesday.
Scattered showers Wednesday late in the day with a risk of
thunderstorms. Fog patches dissipating near noon Wednesday.
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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