Anticosti - western half

Forecast

Marine Forecast

Issued 03:00 AM AST 21 November 2017

Today Tonight and Wednesday.

Gale warning in effect.

Wind west 40 knots diminishing to west 30 late this morning and to southerly 15 to 20 this afternoon. Wind diminishing to variable 10 to 15 Wednesday morning then increasing to northwest 15 to 20 Wednesday evening.

A few flurries ending this afternoon. Rain beginning Wednesday afternoon.

Temperatures minus 1 rising to plus 4 Wednesday afternoon.

Waves

Issued 05:00 AM AST 21 November 2017
Today Tonight and Wednesday. Seas 3 to 5 metres subsiding to 2 to 3 this afternoon and to 1 to 2 near midnight. Seas subsiding to 1 near noon Wednesday.

Extended Forecast

Issued 03:00 AM AST 21 November 2017
Thursday Wind northwest 25 knots diminishing to west 15 late in the day.
Friday Wind west 15 knots increasing to west 30.
Saturday Wind west 15 knots increasing to southwest 35.

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Map of St. Lawrence - St. Lawrence River marine weather areas Mont-Louis - 45138 Lake Nipissing - 45152 North Bay Airport Beauport Deschambault L'Assomption Trois-Rivières Airport Saint-Hubert Airport Baie-Comeau Airport Cap-Rouge Pointe de l'Islet Sept-Îles Airport Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier CFB Bagotville Jonquière Mistook Normandin Roberval Airport Bas Caraquet Bathurst Airport Bouctouche AAFC Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac Miscou Island Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau Saint John Airport St. Stephen Brier Island Yarmouth Airport North Cape Île d'Orléans Île aux-Grues Lac Saint-Pierre Lac Memphremagog Sainte-Anne-de-Bellevue Saint-Anicet Île Rouge Pointe Claveau Pointe-des-Monts Pointe-Noire Île Bicquette Cap-Chat Montréal-Trudeau Int'l 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 20 November 2017

Iceberg Limit

Iceberg limit at 0000 UTC 21 Nov estimated from the Labrador coast
near 5200N 5555W to 5030N 5415W to 5200N 4900W to 5300N 4730W to
5500N 5000W to 6000N 6000W to 6100N 5400W to 5800N 5000W then
eastwards.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - western half

Issued 03:00 AM AST 21 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM AST 21 November 2017 Today Tonight and Wednesday At 3:00 a.m. AST today departing low 982 mb located over Labrador.

At 8:00 p.m. AST tonight trough located over the Great Lakes.
By 8:00 p.m. AST Wednesday trough located from Anticosti Island
to Georges Bank.

Marine Weather Statement

Issued 3:12 AM AST 21 November 2017 A low pressure system over Labrador this morning will continue to
move northward today. Strong to gale force westerlies associated with
this low will gradually diminish and back to southwesterly today.

A developing trough of low pressure over the Great Lakes tonight will
slide eastward to lie from Anticosti to Georges Bank by Wednesday
evening. Strong to gale force southerlies are forecast ahead of this
trough. Winds will shift to strong northwesterly behind it. Southerly
winds may strengthen to storm force over southernmost waters
Wednesday night.

Marine interests are advised that gale warnings are in effect for
Grand Manan, Lurcher, Browns Bank, Georges Bank, southwestern shore,
LaHave Bank, West Scotian Slope, eastern shore, Sable, East Scotian
Slope, Laurentian Fan, Cabot Strait - northern half and Anticosti.

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