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Southwestern Grand Banks

Forecast

Marine Forecast

Issued 08:00 PM NDT 21 March 2025

Tonight and Saturday.

Gale warning in effect.

Wind southeast 10 to 15 knots veering to south 15 to 20 near midnight then to southwest 25 Saturday afternoon. Wind increasing to west 35 Saturday evening.

Showers and fog ending Saturday afternoon.

Waves

Issued 06:00 PM NDT 21 March 2025
Tonight and Saturday. Seas 1 to 2 metres building to 2 to 3 late overnight and to 3 to 5 Saturday evening.

Extended Forecast

Issued 03:30 PM NDT 21 March 2025
Sunday Wind southwest 25 to 35 knots.
Monday Wind northwest 25 to 35 knots.
Tuesday Wind southeast 25 to 35 knots.

Ice Forecast

Issued 10:00 AM EDT 21 March 2025 Today Tonight and Saturday Ice free.  

[ Canadian Ice Service ]

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Weather Conditions

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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
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Ice Conditions

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 21 March 2025 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Newfoundland near 4809N 5253W to 5140N 4803W
to 5523N 5058W to 5730N 5624W to 6024N 5746W to 6052N 5721W then
northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Ice free.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 21 March 2025 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Newfoundland near 4809N 5253W to 5140N 4803W
to 5523N 5058W to 5730N 5624W to 6024N 5746W to 6052N 5721W then
northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 3:41 PM EDT 21 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 22 Mar estimated from Newfoundland near
4643N 5307W to 4605N 4950W to 4630N 4450W to 5100N 4600W to 5400N
4700W to 5900N 5620W to 6110N 5505W to 5820N 4555W then eastwards.

Western iceberg limit at 0000 UTC 22 Mar estimated from Quebec near
5035N 5940W to Newfoundland near 4920N 5745W.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 3:41 PM EDT 21 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 22 Mar estimated from Newfoundland near
4643N 5307W to 4605N 4950W to 4630N 4450W to 5100N 4600W to 5400N
4700W to 5900N 5620W to 6110N 5505W to 5820N 4555W then eastwards.

Western iceberg limit at 0000 UTC 22 Mar estimated from Quebec near
5035N 5940W to Newfoundland near 4920N 5745W.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southwestern Grand Banks

Issued 8:00 PM NDT 21 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.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM NDT 21 March 2025 Tonight and Saturday At 8:00 p.m. NDT tonight low 987 mb located near the Gulf of Maine.
By 8:00 p.m. NDT Saturday low 983 mb located over the Northeast
Coast of Newfoundland.

Marine Weather Statement

Issued 7:47 PM NDT 21 March 2025 A low pressure system over the Gulf of Maine will approach the marine
district from the southwest tonight and cross Newfoundland on
Saturday. Moderate to strong south to southeasterlies ahead of the
low will shift to strong to gale force west to southwesterlies in its
wake Saturday evening.

Marine interests are advised that gale warnings are in effect for
Southwest Coast, South Coast, and Southwestern Grand Banks.

Atlantic - Maritimes Area

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