Gulf - Magdalen

Forecast

Marine Forecast

Issued 08:00 PM ADT 26 August 2016

Tonight and Saturday

Squall watch in effect.

Wind southwest 15 to 20 knots veering to westerly 15 to 20 late this evening with gusts to 40 near thunderstorms late this evening. Wind becoming northerly 15 to 20 early Saturday morning then diminishing to northerly 10 to 15 Saturday evening.

A few showers ending late overnight with a risk of thunderstorms. Fog patches dissipating this evening.

Waves

Issued 05:00 PM ADT 26 August 2016
Tonight and Saturday Seas 1 to 2 metres.

Extended Forecast

Issued 03:30 PM ADT 26 August 2016
Sunday Wind light becoming south 10 to 15 knots late in the day.
Monday Wind southwest 10 to 15 knots increasing to southwest 20 late in the day.
Tuesday Wind light becoming southwest 15 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 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 Varennes 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 25 May 2016 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 11:00 AM EDT 26 August 2016

Iceberg Limit

Iceberg limit at 0000 UTC 26 Aug estimated from Newfoundland near
4801N 5301W to 4730N 5000W to 5030N 4645W to 5315N 4830W to 5700N
5400W then eastwards.

Western iceberg limit at 0000 UTC 26 Aug estimated from Quebec near
5057N 5859W to Newfoundland near 5014N 5733W.

Iceberg Count

No confirmed icebergs.
Warnings

Watches (In effect)

Squall watch in effect

Gulf - Magdalen

Issued 10:12 PM ADT 26 August 2016 Conditions are favourable for the development of squalls with wind gusts up to 45 knots, frequent lightning, hail and poor to very poor visibility in thunderstorms heavy at times.

An organized line of thunderstorms, along a cold front, is moving across Gulf- Magdalene. Winds from this system may exceed 40 knots. Winds should diminish after the cold front goes through.

Poor to very poor visibility may contribute to voyage delays and make marine navigation hazardous. Vessels without lightning protection should make their way to shore immediately. Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 26 August 2016 Tonight and Saturday At 8:00 p.m. ADT tonight trough located from Anticosti Island to
Cape Cod.
By 10:00 a.m. ADT Saturday trough located from Newfoundland to
East Scotian Slope.

At 10:00 a.m. ADT Saturday trough located from Newfoundland to
East Scotian Slope.
By 8:00 p.m. ADT Saturday departing trough located east of the
Marine District.

At 10:00 a.m. ADT Saturday ridge located over southern Quebec.
By 8:00 p.m. ADT Saturday ridge located on a line north-south over
New Brunswick.

Marine Weather Statement

Issued 7:25 PM ADT 26 August 2016 A low pressure system with a cold front extending southwest has
developed a line of severe thunderstorms. The line currently extends
from Anticosti southwest to the Gulf of Maine and will cross the Gulf
of St. Lawrence tonight.

Winds near 40 knots have been observed near the thunderstorms, and as
a result squall watches are in effect for Gulf-Magdalen.
Chaleur-Miscou, and Anticosti.

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