Marine Forecast
Issued 03:00 AM EST 18 December 2025
Today Tonight and Friday.
Gale warning in effect.
Wind south 15 knots increasing to south 20 early this morning
and to south 35 this evening. Wind veering to southwest 40 Friday morning then
increasing to southwest 45 Friday afternoon. Wind veering to west 40 Friday
evening.
Rain beginning this evening changing to flurries near noon
Friday. Visibility 1 mile or less in flurries.
Strong wind warning program has ended for the season.
Winds
Issued 03:00 AM EST 18 December 2025
Today Tonight and Friday.
Gale warning in effect.
Wind south 15 knots increasing to south 20 early this morning
and to south 35 this evening. Wind veering to southwest 40 Friday morning then
increasing to southwest 45 Friday afternoon. Wind veering to west 40 Friday
evening.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EST 18 December 2025
Today Tonight and Friday.
Waves 1 metre building to 1.5 this morning and to 2 to 3 near
midnight. Waves building to 3 to 4 near noon Friday and to 3 to 5 Friday
evening.
Weather & Visibility
Issued 03:00 AM EST 18 December 2025
Today Tonight and Friday.
Rain beginning this evening changing to flurries near noon
Friday. Visibility 1 mile or less in flurries.
Ice Forecasts
Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings (In effect)
Eastern Lake Ontario
Issued 03:00 AM EST 18 December 2025'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 18 December 2025 Today Tonight and Friday At 3:00 a.m. EST today departing ridge located on a line north-south
over New England.
At 3:00 a.m. EST today low 985 mb located over northwestern
Minnesota.
By 3:00 a.m. EST Friday low 983 mb located over northeastern
Ontario.