Laurentian Fan


Marine Forecast

Issued 10:00 AM AST 22 November 2017

Today Tonight and Thursday.

Gale warning in effect.

Wind southwest 15 knots increasing to southeast 25 near midnight and to southeast 35 late overnight. Wind veering to south 45 early Thursday morning then to southwest 35 near noon Thursday. Wind diminishing to west 30 Thursday afternoon and to west 20 Thursday evening.

Rain beginning after midnight and ending Thursday afternoon with a risk of thunderstorms.


Issued 05:00 AM AST 22 November 2017
Today Tonight and Thursday. Seas 2 to 3 metres subsiding to 1 to 2 late this afternoon then building to 3 to 4 Thursday morning. Seas building to 5 to 7 near noon Thursday then subsiding to 3 to 5 Thursday evening.

Extended Forecast

Issued 03:00 AM AST 22 November 2017
Friday Wind northwest 15 to 20 knots.
Saturday Wind light increasing to south 15 to 20 knots.
Sunday Wind southeast 25 knots increasing to southeast 40 to 50 late in the day.

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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 20 June 2017 Forecasts have ended for the season.

Iceberg Bulletin

Issued 11:00 AM EST 22 November 2017

Iceberg Limit

Iceberg limit at 0000 UTC 23 Nov estimated from the Labrador coast
near 5205N 5545W to 5015N 5415W to 5200N 4900W to 5300N 4730W to
5500N 5000W to 6000N 6000W to 6100N 5400W to 5800N 5000W then

Iceberg Count

No confirmed icebergs.

Warnings (In effect)

Gale warning in effect

Laurentian Fan

Issued 10:00 AM AST 22 November 2017

'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 10:00 AM AST 22 November 2017 Today Tonight and Thursday At 10:00 a.m. AST today trough located from New England to Cape
By 8:00 p.m. AST tonight trough located from Anticosti Island to
Georges Bank.

At 8:00 p.m. AST tonight low 999 mb located southwest of Georges
By 10:00 a.m. AST Thursday intensifying low 980 mb located over
Cabot Strait.

Marine Weather Statement

Issued 9:55 AM AST 22 November 2017 A trough of low pressure west of the region will spawn a low centre
southwest of Georges Bank this evening. This low will intensify as it
tracks northeastward across the marine district overnight tonight to
lie over Cabot Strait Thursday morning. Gale to storm force
southerlies ahead of this trough will shift to strong to gale force
northwesterlies behind it. These northwesterlies could reach storm
force over Gulf waters and Cabot Strait on Thursday.

Marine interests are advised that storm warnings are in effect for
Georges Bank, West Scotian Slope, eastern shore, Sable, East Scotian
Slope, Fourchu, Banquereau - northwestern half and Cabot Strait.
Gale warnings are in effect for all remaining waters except Fundy and
Grand Manan.

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