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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 06 June 2026

Today Tonight and Sunday.

Strong wind warning in effect.

Wind east 10 to 15 knots increasing to southeasterly 15 to 20 near noon then veering to south 25 this evening. Wind diminishing to light Sunday afternoon then increasing to north 25 Sunday evening.

Showers and fog patches overnight and Sunday with a risk of thunderstorms.

Waves

Issued 05:00 AM ADT 06 June 2026
Today Tonight and Sunday. Seas 1 metre or less building to 1 to 2 this morning.

Extended Forecast

Issued 03:00 AM ADT 06 June 2026
Monday Wind northeasterly 20 knots diminishing to light in the afternoon.
Tuesday Wind southwest 15 to 20 knots.
Wednesday Wind southwest 15 to 20 knots diminishing to light late in the day.

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île d'Orléans Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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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 10:37 AM ADT 06 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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 6 June 2026 Today Tonight and Sunday At 10:00 a.m. ADT today ridge located over Newfoundland.
By 8:00 p.m. ADT tonight departing ridge located over the Grand
Banks.

At 8:00 p.m. ADT tonight trough located over New England.
By 3:00 a.m. ADT Sunday trough located over Maine.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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