Marine Forecast
Issued 06:30 PM EDT 18 June 2026
Tonight and Friday.
Strong wind warning in effect.
Wind northwest 20 knots diminishing to northwest 15 this evening
and to west 10 late overnight. Wind increasing to northwest 15 near noon Friday
then diminishing to west 10 Friday evening.
Scattered showers Friday evening.
Winds
Issued 06:30 PM EDT 18 June 2026
Tonight and Friday.
Strong wind warning in effect.
Wind northwest 20 knots diminishing to northwest 15 this evening
and to west 10 late overnight. Wind increasing to northwest 15 near noon Friday
then diminishing to west 10 Friday evening.
Waves
Issued 06:30 PM EDT 18 June 2026
Tonight and Friday.
Waves 0.5 to 1 metre subsiding to 0.5 near
midnight.
Weather & Visibility
Issued 06:30 PM EDT 18 June 2026
Tonight and Friday.
Scattered showers Friday evening.
Ice Forecasts
Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
Warnings (In effect)
Lake St. Clair
Issued 6:30 PM EDT 18 June 2026'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.
Technical Marine Synopsis
Issued 6:30 PM EDT 18 June 2026 Tonight and Friday At 6:30 p.m. EDT tonight low 987 mb located over southern Quebec.
By 6:30 p.m. EDT Friday departing low 991 mb located over the Gulf
of St. Lawrence.
By 6:30 p.m. EDT Friday ridge located on a line north-south over
Lake Superior.