Marine Forecast
Issued 03:00 AM ADT 20 August 2026
Today Tonight and Friday.
Wind light becoming southwest 10 to 15 knots this morning then
diminishing to light this evening. Wind light Friday.
Fog patches dissipating near noon. Fog patches forming this
evening and dissipating Friday morning.
High today plus 23. Low tonight plus 18. High Friday
plus 24.
Winds
Issued 03:00 AM ADT 20 August 2026
Today Tonight and Friday.
Wind light becoming southwest 10 to 15 knots this morning then
diminishing to light this evening. Wind light Friday.
Weather & Visibility
Issued 03:00 AM ADT 20 August 2026
Today Tonight and Friday.
Fog patches dissipating near noon. Fog patches forming this
evening and dissipating Friday morning.
Air temperature
Issued 03:00 AM ADT 20 August 2026
Today Tonight and Friday.
High today plus 23. Low tonight plus 18. High Friday
plus 24.
Ice ForecastsIssued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
No watches or warnings in effect.
Technical Marine SynopsisIssued 3:00 AM ADT 20 August 2026 Today Tonight and Friday At 3:00 a.m. ADT today departing trough located from Newfoundland to Laurentian Fan.
At 3:00 a.m. ADT today ridge located over the Great Lakes. By 8:00 p.m. ADT Friday ridge located over the central Marine District.
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