Marine Forecast
Issued 06:30 PM EDT 09 May 2025
Tonight and Saturday.
Strong wind warning in effect.
Wind variable 10 knots increasing to north 20 near midnight then
diminishing to north 15 near noon Saturday. Wind diminishing to northwest 10
Saturday evening.
Scattered showers ending overnight.
Winds
Issued 06:30 PM EDT 09 May 2025
Tonight and Saturday.
Strong wind warning in effect.
Wind variable 10 knots increasing to north 20 near midnight then
diminishing to north 15 near noon Saturday. Wind diminishing to northwest 10
Saturday evening.
Waves
Issued 06:30 PM EDT 09 May 2025
Tonight and Saturday.
Waves 0.5 metres or less building to 1 to 1.5 late overnight then
subsiding to 0.5 to 1 Saturday afternoon. Waves subsiding to 0.5 or less
Saturday evening.
Weather & Visibility
Issued 06:30 PM EDT 09 May 2025
Tonight and Saturday.
Scattered showers ending overnight.
Ice Forecasts
Issued 12:00 PM EDT 9 May 2025 Today Tonight and Saturday
Warnings (In effect)
Eastern Lake Superior
Issued 6:30 PM EDT 09 May 2025'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 or Weatheradio stations.
Technical Marine Synopsis
Issued 6:30 PM EDT 9 May 2025 Tonight and Saturday At 6:30 p.m. EDT tonight departing ridge located on a line
northeast-southwest over northeastern Ontario.
At 6:30 p.m. EDT tonight cold front located on a line
northeast-southwest over northern Ontario.
By 6:30 p.m. EDT Saturday departing cold front located over
Labrador.
At 6:30 p.m. EDT tonight high 1027 mb located over Manitoba.
By 6:30 p.m. EDT Saturday high 1030 mb located south of James Bay.