Marine Forecast
Issued 03:00 AM EDT 21 May 2025
Today Tonight and Thursday.
Strong wind warning in effect.
Wind northeast 25 knots veering to east 20 this morning then
diminishing to variable 15 early this evening. Wind increasing to west 20
overnight then veering to northwest 20 Thursday morning.
Periods of rain. Risk of thunderstorms early this morning
and this afternoon. Fog patches forming early this morning and dissipating near
noon Thursday.
Winds
Issued 03:00 AM EDT 21 May 2025
Today Tonight and Thursday.
Strong wind warning in effect.
Wind northeast 25 knots veering to east 20 this morning then
diminishing to variable 15 early this evening. Wind increasing to west 20
overnight then veering to northwest 20 Thursday morning.
Waves
Issued 03:00 AM EDT 21 May 2025
Today Tonight and Thursday.
Waves 2 metres subsiding to 1.5 near noon and to 0.5 to 1 this
evening. Waves building to 1.5 Thursday morning then subsiding to 1 near noon
Thursday.
Weather & Visibility
Issued 03:00 AM EDT 21 May 2025
Today Tonight and Thursday.
Periods of rain. Risk of thunderstorms early this morning
and this afternoon. Fog patches forming early this morning and dissipating near
noon Thursday.
Ice Forecasts
Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings (In effect)
Western Lake Erie
Issued 03:00 AM EDT 21 May 2025'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Technical Marine Synopsis
Issued 3:00 AM EDT 21 May 2025 Today Tonight and Thursday At 3:00 a.m. EDT today ridge located from Hudson Bay to Sault
Ste. Marie.
By 3:00 a.m. EDT Thursday ridge located from Hudson Bay to Lake
of the Woods.
At 3:00 a.m. EDT today low 1002 mb located over Indiana.
By 3:00 a.m. EDT Thursday low 1001 mb located over eastern Lake
Erie.