Marine Forecast
Issued 06:30 PM EDT 09 May 2025
Tonight and Saturday.
Wind variable 10 knots increasing to north 15 near midnight then
diminishing to north 10 early Saturday morning. Wind becoming light near noon
Saturday.
Winds
Issued 06:30 PM EDT 09 May 2025
Tonight and Saturday.
Wind variable 10 knots increasing to north 15 near midnight then
diminishing to north 10 early Saturday morning. Wind becoming light near noon
Saturday.
Waves
Issued 06:30 PM EDT 09 May 2025
Tonight and Saturday.
Waves 0.5 metres or less building to 0.5 to 1 late overnight then
subsiding to 0.5 or less Saturday morning.
Ice ForecastsIssued 12:00 PM EDT 9 May 2025 Today Tonight and Saturday
Ice Coverage
Open water except 1 tenth thick lake ice in the extreme northeastern Thunder Bay section. 7 tenths thick lake ice in Nipigon Bay and eastern Black Bay.
No watches or warnings in effect.
Technical Marine SynopsisIssued 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.
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