Grand Manan


Marine Forecast

Issued 03:30 PM ADT 20 March 2018

Tonight and Wednesday.

Gale warning in effect.

Wind northwesterly 15 knots diminishing to light this evening then increasing to northeast 15 early Wednesday morning. Wind increasing to northeast 25 to 30 early Wednesday afternoon and to northeast 35 Wednesday evening.

Snow beginning Wednesday evening. Visibility 1 mile or less in snow.

Temperatures minus 4 rising to plus 2 Wednesday evening.


Issued 05:00 AM ADT 20 March 2018
Today Tonight and Wednesday. Seas 1 to 2 metres subsiding to 1 or less this afternoon then building to 1 to 2 Wednesday morning. Seas building to 2 to 3 Wednesday afternoon and to 3 to 4 Wednesday evening.

Extended Forecast

Issued 03:30 PM ADT 20 March 2018
Thursday Wind northeast 35 to 45 knots backing to northerly 35 in the afternoon.
Friday Wind northwest 25 knots diminishing to northerly 10 to 15.
Saturday Wind northeast 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 20 March 2018 Today Tonight and Wednesday 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 Mont-Louis - 45138 Lake Nipissing - 45152 North Bay Airport Beauport Deschambault L'Assomption Trois-Rivières Airport Saint-Hubert Airport Baie-Comeau Airport Cap-Rouge Pointe de l'Islet Sept-Îles Airport Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier CFB Bagotville Jonquière Mistook Normandin Roberval Airport Bas Caraquet Bathurst Airport Bouctouche AAFC Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac Miscou Island Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau Saint John Airport St. Stephen Brier Island Yarmouth Airport North Cape Île d'Orléans Île aux-Grues Lac Saint-Pierre Lac Memphremagog Sainte-Anne-de-Bellevue Saint-Anicet Île Rouge Pointe Claveau Pointe-des-Monts Pointe-Noire Île Bicquette Cap-Chat Montréal-Trudeau Int'l Airport
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 20 March 2018 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Nova Scotia near 4520N 6100W to 4510N 6005W
to 4530N 5810W to 4650N 5725W to Newfoundland near 4730N 5610W. Sea
ice north of the ice edge.

Ice Coverage

Ice free.


Warnings (In effect)

Gale warning in effect

Grand Manan

Issued 3:30 PM ADT 20 March 2018

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 3:30 PM ADT 20 March 2018 Tonight and Wednesday At 3:30 p.m. ADT today ridge located west of the Marine District.
By 3:00 a.m. ADT Wednesday ridge located on a line
northwest-southeast over the Marine District.

At 3:00 a.m. ADT Wednesday warm front from low located southwest
of the Marine District.
By 8:00 p.m. ADT Wednesday warm front from low located on a line
east-west over the southern Marine District.

Marine Weather Statement

Issued 3:13 PM ADT 20 March 2018 A trough of low pressure will approach the Maritimes from the
southwest on Wednesday. Strong to gale force northeasterly winds
north of the trough will spread to most of the district by Thursday
morning and switch to strong to gale force southwesterly winds in its

Marine interests are advised that gale warnings are in effect for all
marine waters except for Cabot Strait and the Gulf of St. Lawrence

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