Language selection

Weather shortcuts

Laurentian Fan

Forecast

Marine Forecast

Issued 10:00 AM ADT 21 May 2025

Today Tonight and Thursday.

Wind northeast 25 knots diminishing to northeast 15 late overnight then veering to east 10 to 15 Thursday afternoon. Wind veering to southeast 15 to 20 Thursday evening.

Waves

Issued 05:00 AM ADT 21 May 2025
Today Tonight and Thursday. Seas 2 metres subsiding to 1 Thursday afternoon.

Extended Forecast

Issued 03:00 AM ADT 21 May 2025
Friday Wind southeast 25 to 35 knots diminishing to southwest 15 late in the day.
Saturday Wind southwest 15 to 20 knots.
Sunday Wind variable 10 to 15 knots increasing to west 20.

Ice Forecast

Issued 10:00 AM EDT 21 May 2025 Today Tonight and Thursday Ice free. 

[ Canadian Ice Service ]

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 21 May 2025 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Quebec near 5124N 5751W to 5055N 5734W to 5102N 5716W then northeastward. Sea ice northeast of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 3:12 PM EDT 20 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 21 May estimated from Newfoundland near 4723N 5503W to 4130N 5215W to 4130N 4600W to 4825N 4035W to 5320N 4815W to 5915N 5605W to 5755N 5155W to 5900N 4845W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 21 May 2025 Today Tonight and Thursday At 10:00 a.m. ADT today ridge located from Labrador to New England.
By 8:00 p.m. ADT tonight ridge located on a line north-south over
the Maritimes.

At 8:00 p.m. ADT Thursday approaching low 995 mb located near
Long Island.

Marine Weather Statement

Issued 9:23 AM ADT 21 May 2025 A low pressure system will approach the marine district from the
southwest on Thursday to lie off Long Island by Thursday evening.
Strong to gale force easterly winds will develop over southwestern
waters late Thursday ahead of the low.

Marine interests are advised that gale warnings are in effect for
Lurcher, Browns Bank, Georges Bank, LaHave Bank, and West Scotian
Slope.

Atlantic - Maritimes Area

Another Region

Date modified: