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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 17 April 2025

Today Tonight and Friday.

Strong wind warning in effect.

Wind west 15 to 20 knots backing to southwest 20 this afternoon then diminishing to northwest 15 this evening. Wind backing to west 10 to 15 Friday morning then increasing to southwest 15 to 20 Friday afternoon.

Waves

Issued 05:00 AM ADT 17 April 2025
Today Tonight and Friday. Seas 2 to 3 metres subsiding to 1 early this evening.

Extended Forecast

Issued 03:00 AM ADT 17 April 2025
Saturday Wind southwest 20 to 25 knots.
Sunday Wind southwest 20 knots increasing to northwest 25 to 35.
Monday Wind northwest 25 knots diminishing to northwest 15.

Ice Forecast

Issued 10:00 AM EDT 17 April 2025 Today Tonight and Friday Ice free. 

[ Canadian Ice Service ]

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Map of Atlantic - Maritimes marine weather areas Summerside Stephenville Airport North Cape Burgeo Pointe-des-Monts Port aux Basques Sagona Island St. Lawrence Tracadie Winterland Branch Hill Wreckhouse Halifax Harbour - 44258 LaHave Bank - 44150 Sept-Îles Airport Banquereau - 44139 Longue-Pointe-de-Mingan Île Rouge Île aux Perroquets Havre-Saint-Pierre Airport East Scotia Slope - 44137 Baie-Comeau Airport Mont-Joli Airport Rivière-la-Madeleine Saint John Airport Gaspé Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Heath Point Miscou Island Kouchibouguac Îles de la Madeleine Airport Kouchibouguac La Pocatière Grand Manan St. Stephen Fundy Park (Alma) New Carlisle Miramichi Pointe-au-Père Charlo Port Menier Bathurst Airport Île Bicquette Bas Caraquet Cap-Chat East Chedabucto Bay – 44488 West Chedabucto Bay – 44489 Lunenburg Charlottetown Airport Yarmouth Airport Pointe-Noire Western Head J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Nappan AAFC McNabs Island East Point Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island Cap-d'Espoir Beaver Island Baccaro Point
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 17 April 2025 Today Tonight and Friday

Ice Edge

First ice edge estimated from New Brunswick near 4700N 6449W to
4831N 6351W to Quebec near 4851N 6412W. Sea ice west of the ice
edge.

Second ice edge estimated from Quebec near 4904N 6646W to 5005N
6518W to 4936N 5930W to Newfoundland near 5022N 5732W. Sea ice north
of the ice edge.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 10:00 AM ADT 17 April 2025

'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 8:00 PM ADT 16 April 2025 Tonight and Thursday At 8:00 p.m. ADT tonight low 986 mb located over the Quebec Lower
North Shore.
By 3:00 a.m. ADT Thursday quasi-stationary low 987 mb located
over Labrador.

At 8:00 p.m. ADT tonight trough from low located over the
St. Lawrence River.
By 3:30 p.m. ADT Thursday trough located over Anticosti Island.

At 3:30 p.m. ADT Thursday building ridge located over the eastern
United States.

Marine Weather Statement

Issued 9:33 AM ADT 17 April 2025 A low pressure system over Labrador will remain nearly stationary
until tonight when it begins to move northeastward. An associated
trough will move over the district from the west today. Strong to
gale force westerlies will develop over northern waters behind the
trough today.

Marine interests are advised that a gale warning is in effect for
Anticosti - western half.

Outlook for the start-up of the eastern shore lobster fishery.

Friday..Winds west 15 knots becoming southwest 20 knots in the
afternoon. Sea state 1 to 2 metres.

Saturday..Winds southwest 20 knots becoming southwest 25 to 30 knots
mid day. Sea state 1 to 2 metres increasing to 2 to 3 metres.

Sunday..Winds southwest 20 to 25 becoming northwest 25 late in the
day. Sea state 2 to 3 metres.

Monday..Northwest 25 to 35 becoming northwest 15 to 20 in the
afternoon. Sea state 2 to 3 metres becoming 1 to 2 metres.

Atlantic - Maritimes Area

Another Region

Marine Weather for Canada

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