Marine Forecast
Issued 08:00 PM ADT 04 August 2026
Tonight and Wednesday.
Strong wind warning in effect.
Wind southwest 25 knots diminishing to west 15 late overnight
and to light Wednesday morning. Wind becoming southwest 15 Wednesday
afternoon.
Winds
Issued 08:00 PM ADT 04 August 2026
Tonight and Wednesday.
Strong wind warning in effect.
Wind southwest 25 knots diminishing to west 15 late overnight
and to light Wednesday morning. Wind becoming southwest 15 Wednesday
afternoon.
Waves
Issued 05:00 PM ADT 04 August 2026
Tonight and Wednesday.
Seas 1 to 2 metres subsiding to 1 or less Wednesday
morning.
Ice Forecasts
Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
Warnings (In effect)
Grand Manan
Issued 8:00 PM ADT 04 August 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 8:00 PM ADT 4 August 2026 Tonight and Wednesday At 8:00 p.m. ADT tonight trough located from Newfoundland to
Laurentian Fan.
By 3:00 a.m. ADT Wednesday trough located east of the Marine
District.
At 8:00 p.m. ADT tonight quasi-stationary ridge located over
New England.
Marine Weather Statement
Issued 7:21 PM ADT 4 August 2026 A trough of low pressure will continue to track eastward across the
marine district tonight. Strong to gale force westerly winds are
forecast in the wake of the trough.
Marine interests are advised that a gale warnings is in effect for
Anticosti.