Marine Forecast
Issued 03:00 AM EST 22 December 2025
Today Tonight and Tuesday.
Wind light becoming southeast 10 knots near noon then increasing
to southeast 15 early this evening. Wind veering to southwest 15 near midnight
then increasing to west 25 Tuesday morning. Wind veering to northwest 30 near
noon Tuesday then diminishing to north 20 Tuesday evening.
Scattered flurries ending this morning. Snow overnight and
Tuesday morning.
Freezing spray warning in effect.
Freezing spray beginning Tuesday evening.
Strong wind warning program has ended for the season.
Winds
Issued 03:00 AM EST 22 December 2025
Today Tonight and Tuesday.
Wind light becoming southeast 10 knots near noon then increasing
to southeast 15 early this evening. Wind veering to southwest 15 near midnight
then increasing to west 25 Tuesday morning. Wind veering to northwest 30 near
noon Tuesday then diminishing to north 20 Tuesday evening.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EST 22 December 2025
Today Tonight and Tuesday.
Waves 0.5 metres or less building to 1 this evening and to 2 to 3
near noon Tuesday.
Weather & Visibility
Issued 03:00 AM EST 22 December 2025
Today Tonight and Tuesday.
Scattered flurries ending this morning. Snow overnight and
Tuesday morning.
Freezing Spray
Issued 03:00 AM EST 22 December 2025
Today Tonight and Tuesday.
Freezing spray warning in effect.
Freezing spray beginning Tuesday evening.
Ice Forecasts
Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings (In effect)
Western Lake Superior
Issued 03:00 AM EST 22 December 2025Moderate 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 22 December 2025 Today Tonight and Tuesday At 3:00 a.m. EST today ridge located on a line north-south over
Lake Erie.
By 3:00 a.m. EST Tuesday ridge located on a line northeast-southwest
over the Eastern Seaboard.
At 3:00 a.m. EST today low 1009 mb located over western South
Dakota.
By 3:00 a.m. EST Tuesday low 1010 mb located over northwestern
Ontario.
By 3:00 a.m. EST Tuesday ridge located on a line northwest-southeast
over Saskatchewan.