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Grand Manan

Forecast

Marine Forecast

Issued 10:00 AM AST 11 December 2023

Today Tonight and Tuesday.

Storm warning in effect.

Wind south 40 to 50 knots diminishing to westerly 30 late this afternoon and to northwest 20 early Tuesday morning. Wind backing to southwesterly 15 to 20 Tuesday afternoon.

Periods of rain ending this evening.

Waves

Issued 05:00 AM AST 11 December 2023
Today Tonight and Tuesday. Seas 2 to 3 metres building to 3 to 4 this morning and to 4 to 6 near noon. Seas subsiding to 3 to 4 late overnight and to 2 to 3 Tuesday morning and to 1 to 2 Tuesday evening.

Extended Forecast

Issued 03:00 AM AST 11 December 2023
Wednesday Wind southwest 25 knots veering to northwest 25 in the afternoon.
Thursday Wind northwest 30 knots diminishing to northwest 20.
Friday Wind southwest 25 knots.

Ice Forecast

Issued 10:00 AM EST 11 December 2023 Today Tonight and Tuesday Ice free. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of St. Lawrence - St. Lawrence River marine weather areas West Bay of Fundy – 44490 Lake Nipissing - 45152 North Bay Airport Beauport Deschambault Île d'Orléans L'Assomption Trois-Rivières Airport L'Isle-aux-Grues Lac Saint-Pierre Montréal-Trudeau Int'l Airport Saint-Hubert Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Saint-Anicet Baie-Comeau Airport Cap-Rouge Île Rouge Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts Pointe-Noire Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Île Bicquette Cap-Chat CFB Bagotville Jonquière Mistook Normandin Roberval Airport Bas Caraquet Bathurst Airport Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac Kouchibouguac Miscou Island Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau Saint John Airport St. Stephen Brier Island Yarmouth Airport North Cape
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 11 December 2023 Today Tonight and Tuesday

Ice Edge

First ice edge estimated from Nova Scotia near 4548N 6308W to Prince
Edward Island near 4608N 6314W. Sea ice west of the ice edge.

Second ice edge estimated from Prince Edward Island near 4630N 6321W
to 4742N 6413W to 4827N 6405W to Quebec near 4845N 6410W. Sea ice
west of the ice edge.

Third ice edge estimated from Quebec near 4845N 6751W to 4951N 6624W
to Anticosti Island near 4935N 6346W. Sea ice north of the ice edge.

Fourth ice edge estimated from Anticosti Island near 4952N 6343W to
5002N 6322W to 4952N 6128W to 5001N 5941W to 5118N 5746W to 5058N
5722W to Newfoundland near 4928N 5809W. Sea ice north then east of
the ice edge.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Storm warning in effect

Grand Manan

Issued 10:00 AM AST 11 December 2023

'Storm' force winds of 48 to 63 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 AST 11 December 2023 Today Tonight and Tuesday At 10:00 a.m. AST today intensifying trough located from Labrador
to Long Island.
By 8:00 p.m. AST tonight trough located from Anticosti Island to
West Scotian Slope.

At 10:00 a.m. AST Tuesday departing trough located east of the
Marine District.

At 10:00 a.m. AST Tuesday building ridge located southwest of the
Marine District.

Marine Weather Statement

Issued 9:45 AM AST 11 December 2023 A strong trough of low pressure will approach from the west and cross
the marine district later today and tonight to lie east of the
district Tuesday morning. Gale to storm force southerlies ahead of
the trough then shift to strong westerlies in its wake.

Marine interests are advised that storm warnings are in effect for
Grand Manan, Lurcher, Browns Bank, Georges Bank, Gulf-Magdalen and
Anticosti. Gale warnings are in effect for all remaining waters
except Chaleur-Miscou western half.

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