Grand Manan, Canada Marine Forecast, Warnings and Alerts

Canada

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Canada 7 Day High and Low Temperatures Forecast

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Grand Manan

Marine Forecast

Issued 03:00 AM ADT 09 May 2026

Today Tonight and Sunday.

Strong wind warning in effect.

Wind west 15 knots diminishing to light early this morning then increasing to south 15 this afternoon. Wind increasing to south 25 this evening then diminishing to south 15 Sunday evening.

Showers and fog patches tonight and Sunday. Risk of thunderstorms Sunday late in the day.

Winds

Issued 03:00 AM ADT 09 May 2026

Today Tonight and Sunday. Strong wind warning in effect. Wind west 15 knots diminishing to light early this morning then increasing to south 15 this afternoon. Wind increasing to south 25 this evening then diminishing to south 15 Sunday evening.

Waves

Issued 05:00 AM ADT 09 May 2026

Today Tonight and Sunday. Seas 1 metre or less building to 1 to 2 this evening and to 2 to 3 Sunday morning. Seas subsiding to 1 to 2 Sunday afternoon.

Weather & Visibility

Issued 03:00 AM ADT 09 May 2026

Today Tonight and Sunday. Showers and fog patches tonight and Sunday. Risk of thunderstorms Sunday late in the day.

Ice Forecasts

Issued 10:00 AM EDT 8 May 2026 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Quebec near 5006N 6642W to 5001N 6603W to
4956N 5959W to 5102N 5743W to Newfoundland near 5047N 5708W. Sea ice
north of the ice edge.

Ice Coverage

Ice free.

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 03:00 AM ADT 09 May 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 or Weatheradio stations.

Technical Marine Synopsis

Issued 3:00 AM ADT 9 May 2026 Today Tonight and Sunday At 3:00 a.m. ADT today ridge located south of the Marine District.
By 10:00 a.m. ADT Sunday ridge located over the Grand Banks.

At 8:00 p.m. ADT tonight trough located over New England.
By 8:00 p.m. ADT Sunday trough located on a line north-south over
the Maritimes.

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