Marine Forecast
Issued 10:30 AM EDT 09 September 2026
Today Tonight and Thursday.
Strong wind warning in effect.
Wind southwest 15 knots increasing to southwest 20 near noon
then diminishing to west 15 near midnight. Wind veering to northwest 15 Thursday
afternoon then diminishing to northwest 10 Thursday evening.
Scattered showers ending this evening with a risk of
thunderstorms.
Winds
Issued 10:30 AM EDT 09 September 2026
Today Tonight and Thursday.
Strong wind warning in effect.
Wind southwest 15 knots increasing to southwest 20 near noon
then diminishing to west 15 near midnight. Wind veering to northwest 15 Thursday
afternoon then diminishing to northwest 10 Thursday evening.
Waves
Issued 10:30 AM EDT 09 September 2026
Today Tonight and Thursday.
Waves 0.5 to 1 metre building to 1 to 1.5 near noon and to 2 this
evening. Waves subsiding to 1 late overnight.
Weather & Visibility
Issued 10:30 AM EDT 09 September 2026
Today Tonight and Thursday.
Scattered showers ending this evening with a risk of
thunderstorms.
Ice Forecasts
Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
Warnings (In effect)
Eastern Lake Erie
Issued 10:30 AM EDT 09 September 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.
Watches (In effect)
Squall watch in effect
Eastern Lake Erie
Issued 2:39 PM EDT 09 September 2026
Conditions are favourable for the development of squalls with wind gusts up to 40 knots and frequent lightning.
Scattered showers and thunderstorms capable of producing wind gusts up to 40 knots are expected to continue through this afternoon and perhaps into the early evening.
Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway. Consider delaying or postponing travel in areas under the Squall Watch.
Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Technical Marine Synopsis
Issued 10:30 AM EDT 9 September 2026 Today Tonight and Thursday At 10:30 a.m. EDT today departing ridge located on a line
northeast-southwest over the Gulf of St. Lawrence.
At 10:30 a.m. EDT today low 986 mb located over southern Hudson Bay.
By 10:30 a.m. EDT Thursday low 982 mb located east of Hudson Bay.
At 10:30 a.m. EDT today cold front from low located on a line
northeast-southwest over eastern Lake Superior.
By 10:30 a.m. EDT Thursday cold front from low located on a line
northeast-southwest over New England.