Marine Forecast
Issued 03:00 AM EDT 22 July 2026
Today Tonight and Thursday.
Wind northwest 10 knots increasing to west 15 near noon then
backing to southwest 15 early this evening. Wind diminishing to west 10 near
midnight then increasing to southwest 15 near noon Thursday.
Risk of thunderstorms Thursday afternoon and
evening.
Winds
Issued 03:00 AM EDT 22 July 2026
Today Tonight and Thursday.
Wind northwest 10 knots increasing to west 15 near noon then
backing to southwest 15 early this evening. Wind diminishing to west 10 near
midnight then increasing to southwest 15 near noon Thursday.
Waves
Issued 03:00 AM EDT 22 July 2026
Today Tonight and Thursday.
Waves 0.5 metres or less building to 1 this afternoon then
subsiding to 0.5 overnight. Waves building to 1 Thursday
afternoon.
Weather & Visibility
Issued 03:00 AM EDT 22 July 2026
Today Tonight and Thursday.
Risk of thunderstorms Thursday afternoon and
evening.
Ice ForecastsIssued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
No watches or warnings in effect.
Technical Marine SynopsisIssued 3:00 AM EDT 22 July 2026 Today Tonight and Thursday At 3:00 a.m. EDT today trough from 991 mb low located on a line north-south over eastern Ontario. By 3:00 a.m. EDT Thursday departing trough from 992 mb low located on a line northwest-southeast over the Gulf of St. Lawrence.
At 3:00 a.m. EDT today ridge located on a line northwest-southeast over Minnesota. By 3:00 a.m. EDT Thursday ridge located on a line east-west over southwestern Ontario.
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