Southwest Coast


Marine Forecast

Issued 08:00 PM NDT 21 March 2018

Tonight and Thursday.

Gale warning in effect.

Wind east 10 to 15 knots increasing to northeast 25 late this evening and to northeast 35 Thursday morning. Wind veering to east 35 to 45 Thursday afternoon.

Periods of snow beginning near midnight changing to rain or snow late Thursday morning. Fog patches forming Thursday evening. Visibility 1 mile or less in snow and in fog patches.


Issued 06:00 PM NDT 21 March 2018
Tonight and Thursday. Seas 1 to 2 metres building to 2 to 3 late overnight and to 3 to 4 Thursday morning. Seas building to 4 to 6 Thursday afternoon.

Extended Forecast

Issued 03:30 PM NDT 21 March 2018
Friday Wind east 25 knots becoming southwest 25 in the afternoon.
Saturday Wind northeast 25 knots.
Sunday Wind northeast 35 to 45 knots.

Ice Forecast

Issued 10:00 AM EDT 21 March 2018 Today Tonight and Thursday Open water. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of Atlantic - Maritimes marine weather areas East Scotia Slope - 44137 Southwestern Grand Banks - 44138 Banquereau - 44139 Laurentian Fan - 44141 LaHave Bank - 44150 Northeast Burgeo Bank - 44255 Halifax Harbour - 44258 Mont-Louis - 45138 Baie-Comeau Airport Havre-Saint-Pierre Airport Longue-Pointe-de-Mingan Sept-Îles Airport Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport Heath Point La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Bas Caraquet Bathurst Airport Bouctouche AAFC Charlo Eskasoni (First Nations) Miramichi Fundy Park (Alma) Grand Manan 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 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 Wreckhouse Île aux Perroquets Île Rouge Pointe-des-Monts Pointe-Noire Île Bicquette Cap-Chat Îles de la Madeleine Airport
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 21 March 2018 Today Tonight and Thursday

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

Open water.


Iceberg Bulletin

Issued 11:00 AM EDT 21 March 2018

Iceberg Limit

Iceberg limit at 0000 UTC 21 Mar estimated from Newfoundland near
4653N 5409W to 4530N 5315W to 4500N 4745W to 4515N 4530W to 4700N
4530W to 5100N 4745W to 5300N 4930W to 5600N 5145W then eastwards.

Western iceberg limit at 0000 UTC 21 Mar estimated from Quebec near
5109N 5840W to Newfoundland near 5029N 5724W.

Iceberg Count

No confirmed icebergs.

Warnings (In effect)

Gale warning in effect

Southwest Coast

Issued 8:00 PM NDT 21 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 8:00 PM NDT 21 March 2018 Tonight and Thursday At 8:00 p.m. NDT tonight low 995 mb located southeast of Nova
By 3:00 a.m. NDT Thursday dissipating low 999 mb located over
northern Laurentian Fan.

At 8:00 p.m. NDT tonight quasi-stationary trough from 995 mb low
located on a line east-west over the southern Grand Banks.

By 3:30 p.m. NDT Thursday approaching low 990 mb located south of
Nova Scotia.

Marine Weather Statement

Issued 7:53 PM NDT 21 March 2018 A trough of low pressure over the Southern Grand Banks will remain
nearly stationary tonight and Thursday as a developing low pressure
system approaches from south of Nova Scotia. Strong to gale force
southeasterlies to northeasterlies will spread over southern and
western waters ahead of these features. Winds will shift to strong to
gale force southerlies in the wake of the trough.

Marine interests are advised that gale warnings are in effect for the
Gulf waters, Southwest Coast, South Coast, East Coast, and the Grand

Atlantic - Maritimes Area

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