Gulf - Magdalen

Forecast

Marine Forecast

Issued 03:30 PM AST 12 December 2017

Tonight and Wednesday.

Gale warning in effect.

Wind easterly 15 to 20 knots increasing to southeasterly 25 to 30 this evening with gusts to 40 from Margaree Harbour to Bay St. Lawrence. Wind becoming southeast 40 late overnight with gusts to 60 from Margaree Harbour to Bay St. Lawrence. Wind diminishing to southwesterly 20 to 25 Wednesday afternoon then increasing to southwest 35 Wednesday evening.

A few flurries changing to snow or rain this evening then to periods of rain late overnight. Fog patches forming late overnight and dissipating Wednesday afternoon.

Low tonight minus 2. High Wednesday plus 8.

Waves

Issued 05:00 AM AST 12 December 2017

Gulf - Magdalen - northern half

Today Tonight and Wednesday. Seas 1 metre or less building to 1 to 2 this evening and to 3 to 5 late overnight.

Gulf - Magdalen - southern half

Today Tonight and Wednesday. Seas 1 metre or less building to 1 to 2 this evening and to 3 to 4 late overnight. Seas subsiding to 2 to 3 Wednesday afternoon.

Extended Forecast

Issued 03:30 PM AST 12 December 2017
Thursday Wind southwest 35 knots.
Friday Wind westerly 35 knots diminishing to west 15 to 20 late in the day.
Saturday Wind light increasing to northerly 30 knots late in the day.

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Weather Conditions

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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 EST 12 December 2017 Today Tonight and Wednesday
 

Iceberg Bulletin

Issued 11:00 AM EST 12 December 2017

Iceberg Limit

Iceberg limit at 0000 UTC 13 Dec estimated from the Labrador coast
near 5225N 5540W to 5000N 5230W to 5430N 4700W to 5500N 4800W to
6000N 5900W to 6100N 5400W to 5700N 5000W then eastwards.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Gulf - Magdalen

Issued 3:30 PM AST 12 December 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 3:30 PM AST 12 December 2017 Tonight and Wednesday At 3:30 p.m. AST today departing ridge located northeast of the
Maritimes.

At 3:30 p.m. AST today deepening low 992 mb located over New
England.
By 8:00 p.m. AST Wednesday low 967 mb located near the St. Lawrence
River.

Marine Weather Statement

Issued 3:19 PM AST 12 December 2017 A low pressure system currently over the New England area will
continue to deepen tonight and Wednesday as it tracks northeastward
to lie near the St. Lawrence River Wednesday evening. Gale force
southeasterlies will develop ahead of the low and will shift to gale
force southwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for all
waters.

Marine interests are also advised that a freezing spray warning is in
effect for Anticosti.

In addition, marine interests are advised that higher than normal
waters levels can be expected at high tide along the Atlantic Coast
of Nova Scotia tonight and again at high tide on Wednesday. Higher
than normal water levels are also expected at high tide over the
Northern Gulf of St. Lawrence on Wednesday.

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