Marine Forecast
Issued 10:30 AM EST 14 December 2025
Today Tonight and Monday.
Wind northwest 30 knots diminishing to northwest 20 this
afternoon then backing to west 20 near midnight. Wind backing to southwest 25
early Monday morning then increasing to southwest 30 late Monday morning. Wind
diminishing to southwest 20 Monday evening.
Scattered flurries. Visibility 1 mile or less in
flurries.
Freezing spray warning in effect.
Freezing spray ending early this evening. Risk of freezing spray
late this evening. Freezing spray Monday afternoon. Risk of freezing spray
Monday late in the day.
Strong wind warning program has ended for the season.
Winds
Issued 10:30 AM EST 14 December 2025
Today Tonight and Monday.
Wind northwest 30 knots diminishing to northwest 20 this
afternoon then backing to west 20 near midnight. Wind backing to southwest 25
early Monday morning then increasing to southwest 30 late Monday morning. Wind
diminishing to southwest 20 Monday evening.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EST 14 December 2025
Today Tonight and Monday.
Waves 2 metres subsiding to 1.5 early this evening then building
to 2 to 3 near noon Monday. Waves subsiding to 1.5 Monday evening.
Weather & Visibility
Issued 10:30 AM EST 14 December 2025
Today Tonight and Monday.
Scattered flurries. Visibility 1 mile or less in
flurries.
Freezing Spray
Issued 10:30 AM EST 14 December 2025
Today Tonight and Monday.
Freezing spray warning in effect.
Freezing spray ending early this evening. Risk of freezing spray
late this evening. Freezing spray Monday afternoon. Risk of freezing spray
Monday late in the day.
Ice Forecasts
Lake Huron
Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.Ice Forecasts
Lake Michigan
Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings (In effect)
Southern Lake Huron
Issued 10:30 AM EST 14 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 10:30 AM EST 14 December 2025 Today Tonight and Monday At 10:30 a.m. EST today high 1044 mb located over southwestern Iowa.
By 10:30 a.m. EST Monday high 1039 mb located over Kentucky.
By 10:30 a.m. EST Monday approaching trough located on a line
north-south over Lake Superior.