Language selection

Weather shortcuts

Anticosti - southwestern half

Forecast

Marine Forecast

Issued 03:00 AM ADT 23 March 2025

Today Tonight and Monday.

Gale warning in effect.

Wind northwest 15 knots increasing to northwest 25 this morning and to northwest 35 early this afternoon. Wind diminishing to northwest 25 overnight and to northwest 15 Monday morning. Wind diminishing to light Monday afternoon then becoming south 15 Monday evening.

Flurries this afternoon and this evening.

Freezing spray warning in effect.

Freezing spray overnight and Monday morning.

Temperatures plus 1 falling to minus 7 Monday morning.

Waves

Issued 05:00 AM ADT 23 March 2025
Today Tonight and Monday. Seas 1 to 2 metres building to 3 to 4 early this evening then subsiding to 2 to 3 late overnight. Seas subsiding to 1 Monday morning.

Extended Forecast

Issued 03:00 AM ADT 23 March 2025
Tuesday Wind southeast 20 knots backing to northeast 20 in the afternoon.
Wednesday Wind variable 10 to 15 knots.
Thursday Wind northeast 20 knots.

Ice Forecast

Issued 10:00 AM EDT 22 March 2025 Today Tonight and Sunday Open water. Consolidated first-year ice in a few bays. 

[ Canadian Ice Service ]

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

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

Ice Forecasts

Issued 10:00 AM EDT 22 March 2025 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Nova Scotia near 4521N 6100W to 4549N 5906W
to Newfoundland near 4736N 5740W. Sea ice northwest of the ice edge.

Ice Coverage

Open water. Consolidated first-year ice in a few bays.

 

Iceberg Bulletin

Issued 3:51 PM EDT 22 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 23 Mar estimated from Newfoundland near
4643N 5307W to 4625N 5225W to 4600N 4745W to 4730N 4445W to 5100N
4550W to 5510N 4825W to 5900N 5620W to 6110N 5505W to 5820N 4555W
then eastwards.

Western iceberg limit at 0000 UTC 23 Mar estimated from Quebec near
5020N 6025W to Newfoundland near 4920N 5745W.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - southwestern half

Issued 03:00 AM ADT 23 March 2025

'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.

Freezing spray warning in effect

Anticosti - southwestern half

Issued 03:00 AM ADT 23 March 2025

Moderate or severe freezing spray is 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 3:00 AM ADT 23 March 2025 Today Tonight and Monday At 3:00 a.m. ADT today trough located over New Brunswick.
By 8:00 p.m. ADT tonight trough located over Banquereau.

At 10:00 a.m. ADT Monday approaching trough located over New
England.

Marine Weather Statement

Issued 2:51 AM ADT 23 March 2025 A trough of low pressure over New Brunswick will track eastward
across the marine district today and over Newfoundland tonight.
Strong to gale force northwesterlies are expected in its wake today
and tonight.

A second trough of low pressure will approach the marine district
late on Monday. Strong to gale force southerlies will develop ahead
of this feature over western waters.

Marine interests are advised that gale warnings are in effect for
Grand Manan, Lurcher, Browns Bank, eastern shore - eastern half,
Sable - eastern half. East Scotian Slope, Fourchu, Banquereau,
Laurentian Fan, Cabot Strait, Gulf - Magdalen - northeastern half,
and Anticosti - southwestern half. Marine interests are also advised
a freezing spray warning is in effect for Anticosti.

Atlantic - Maritimes Area

Another Region

Date modified: