Marine Forecast
Issued 03:00 AM ADT 21 May 2025
Today Tonight and Thursday.
Strong wind warning in effect.
Wind northeast 15 to 20 knots increasing to northeast 20 to 25
early this afternoon then veering to easterly 15 to 20 overnight. Wind
increasing to east 25 Thursday evening.
Winds
Issued 03:00 AM ADT 21 May 2025
Today Tonight and Thursday.
Strong wind warning in effect.
Wind northeast 15 to 20 knots increasing to northeast 20 to 25
early this afternoon then veering to easterly 15 to 20 overnight. Wind
increasing to east 25 Thursday evening.
Waves
Issued 05:00 AM ADT 21 May 2025
Today Tonight and Thursday.
Seas 1 to 2 metres subsiding to 1 or less late
overnight.
Ice Forecasts
Issued 10:00 AM EDT 20 May 2025 Today Tonight and Wednesday Ice Edge
Ice edge estimated from Quebec near 5126N 5739W to 5059N 5746W to 5106N 5720W then northeastward. Sea ice north of the ice edge.
Warnings (In effect)
Grand Manan
Issued 03:00 AM ADT 21 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 3:00 AM ADT 21 May 2025 Today Tonight and Thursday At 3:00 a.m. ADT today ridge located from Labrador to New England.
By 8:00 p.m. ADT tonight ridge located on a line north-south over
the Maritimes.
By 8:00 p.m. ADT Thursday approaching low 995 mb located off
Long Island.
Marine Weather Statement
Issued 9:23 AM ADT 21 May 2025 A low pressure system will approach the marine district from the
southwest on Thursday to lie off Long Island by Thursday evening.
Strong to gale force easterly winds will develop over southwestern
waters late Thursday ahead of the low.
Marine interests are advised that gale warnings are in effect for
Lurcher, Browns Bank, Georges Bank, LaHave Bank, and West Scotian
Slope.