Marine Forecast
Issued 03:00 AM ADT 20 June 2026
Today Tonight and Sunday.
Strong wind warning in effect.
Wind westerly 20 knots diminishing to northwesterly 15 this
evening and to light Sunday afternoon.
Showers this afternoon and this evening. Fog patches
forming Sunday morning and dissipating Sunday evening.
Winds
Issued 03:00 AM ADT 20 June 2026
Today Tonight and Sunday.
Strong wind warning in effect.
Wind westerly 20 knots diminishing to northwesterly 15 this
evening and to light Sunday afternoon.
Waves
Issued 05:00 PM ADT 19 June 2026
Tonight and Saturday.
Seas 2 to 3 metres subsiding to 1 to 2 near
midnight.
Weather & Visibility
Issued 03:00 AM ADT 20 June 2026
Today Tonight and Sunday.
Showers this afternoon and this evening. Fog patches
forming Sunday morning and dissipating Sunday evening.
Ice Forecasts
Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
Warnings (In effect)
Grand Manan
Issued 03:00 AM ADT 20 June 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 3:00 AM ADT 20 June 2026 Today Tonight and Sunday At 3:00 a.m. ADT today low 990 mb located over the Gulf of
St. Lawrence.
By 8:00 p.m. ADT tonight departing low mb located over southwestern
Newfoundland.
At 10:00 a.m. ADT Sunday approaching ridge located over the Gulf
of St. Lawrence.