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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 10:00 AM AST 06 November 2026

Today Tonight and Saturday.

Strong wind warning in effect.

Wind southwest 25 knots diminishing to southwest 15 near noon then increasing to south 20 near midnight except variable 10 to 15 over northern sections overnight and Saturday morning and east 25 over northern sections Saturday. Wind diminishing to variable 10 to 15 Saturday evening.

Periods of rain and fog patches. Risk of thunderstorms today and tonight.

Waves

Issued 05:00 AM AST 06 November 2026
Today Tonight and Saturday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:00 AM AST 06 November 2026
Sunday Wind southwest 20 knots veering to west 25 in the afternoon.
Monday Wind westerly 15 to 20 knots.
Tuesday Wind northwest 20 knots.

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Map of St. Lawrence - St. Lawrence River marine weather areas Mistook Jonquière CFB Bagotville Bathurst Airport Cap-Chat Charlo Île Bicquette Miramichi Port Menier Pointe-au-Père Montréal Metropolitain Airport Fundy Park (Alma) Normandin Roberval Airport L'Isle-aux-Grues Trois-Rivières Airport L'Assomption Île-d'Orléans - Quai de St-Jean Deschambault Beauport North Bay Airport Lake Nipissing - 45152 Bas Caraquet New Carlisle Montréal-Trudeau Int'l Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Saint-Anicet Baie-Comeau Airport Lac Saint-Pierre Cap-Rouge Île Rouge Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts North Cape Pointe-Noire Cap-d'Espoir Brier Island Yarmouth Airport Rivière-la-Madeleine St. Stephen Gaspé Airport Grand Manan Kouchibouguac Mont-Joli Airport Saint John Airport Miscou Island La Pocatière Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 10:00 AM AST 06 November 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.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM AST 6 November 2026 Today Tonight and Saturday At 10:00 a.m. AST today trough located from Labrador to the
St. Lawrence River.
By 3:00 a.m. AST Saturday departing trough located from Labrador
Sea to Nova Scotia.

At 3:00 a.m. AST Saturday low 1007 mb located over New England.
By 8:00 p.m. AST Saturday low 1003 mb located over the Gulf
of Maine.

At 10:00 a.m. AST today ridge located south of the Marine District.
By 3:00 a.m. AST Saturday departing ridge located southeast of
the Marine District.

Marine Weather Statement

Issued 9:33 AM AST 6 November 2026 Outlook for the start-up of the Southwest New Brunswick lobster
fishery

Lfa 36
Sunday..Winds variable 10 to 15 knots increasing to
Southwest 15 to 20 knots in the morning. Winds increasing to west 25
knots late in the afternoon. Seas 1 metre or less building to 1 to 2
metres in the afternoon.
Monday..Winds west 15 to 20 knots diminishing to southwest 10 to 15
knots near noon. Winds shifting to northwest 10 to 15 knots in the
evening. Seas 1 metre or less.
Tuesday..Winds northwest 15 to 20 knots becoming west 10 to 15 knots
in the afternoon. Seas 1 metre or less.

Lfa 38
Sunday..Winds southwest 10 to 15 knots increasing to southwest
15 to 20 knots in the morning. Becoming west 25 knots in the
afternoon then diminishing to west 15 to 20 knots near midnight.
Seas 1 metre or less building to 1 to 2 metres over northern sections
and to near 2 metres over southern sections in the morning.
Monday..Winds west 15 knots diminishing to southwest 10 to 15 knots
in the morning. Winds becoming northwest 15 to 20 knots in the
evening. Seas 1 to 2 metres subsiding to less than 1 metre late
Monday morning.
Tuesday..Winds northwest 15 to 20 knots becoming west 10 to 15 knots
near noon. Seas 1 metre or less over northern sections. Seas 1 to 2
metres over southern sections subsiding to 1 metre or less late
Tuesday morning.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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