Marine Forecast
Issued 03:00 AM EST 21 January 2026
Today Tonight and Thursday.
Wind southwest 25 knots diminishing to west 15 this evening then
increasing to west 25 overnight. Wind west 25 Thursday.
Flurries changing to snow early this morning then to
flurries near midnight. Visibility 1 mile or less in
precipitation.
Freezing spray warning in effect.
Freezing spray ending this evening. Freezing spray beginning
Thursday morning.
Strong wind warning program has ended for the season.
Winds
Issued 03:00 AM EST 21 January 2026
Today Tonight and Thursday.
Wind southwest 25 knots diminishing to west 15 this evening then
increasing to west 25 overnight. Wind west 25 Thursday.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EST 21 January 2026
Today Tonight and Thursday.
Over open water waves 2 metres subsiding to 1 to 1.5 early this
evening then building to 2 Thursday morning.
Weather & Visibility
Issued 03:00 AM EST 21 January 2026
Today Tonight and Thursday.
Flurries changing to snow early this morning then to
flurries near midnight. Visibility 1 mile or less in
precipitation.
Freezing Spray
Issued 03:00 AM EST 21 January 2026
Today Tonight and Thursday.
Freezing spray warning in effect.
Freezing spray ending this evening. Freezing spray beginning
Thursday morning.
Ice Forecasts
Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings (In effect)
Northern Georgian Bay
Issued 03:00 AM EST 21 January 2026Moderate or severe freezing spray is 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 EST 21 January 2026 Today Tonight and Thursday At 3:00 a.m. EST today departing ridge located on a line
northeast-southwest over the Eastern Seaboard.
At 3:00 a.m. EST today low 1004 mb located over northern Manitoba.
By 3:00 a.m. EST Thursday low 1003 mb located over northeastern
Ontario.