Gulf - Magdalen

Forecast

Marine Forecast

Issued 08:00 PM ADT 24 September 2016

Tonight and Sunday

Strong wind warning in effect. Waterspout watch in effect.

Wind northwest 20 knots diminishing to northwest 15 late overnight then increasing to northwest 20 Sunday morning. Wind increasing to northwest 25 to 30 early Sunday evening.

A few showers with a risk of waterspouts.

Waves

Issued 05:00 PM ADT 24 September 2016
Tonight and Sunday Seas 1 metre building to 2 Sunday evening.

Extended Forecast

Issued 03:30 PM ADT 24 September 2016
Monday Wind northwest 25 knots.
Tuesday Wind north 20 to 25 knots.
Wednesday Wind southeast 15 knots increasing to south 25 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 24 September 2016

Iceberg Limit

Iceberg limit at 0000 UTC 25 Sep estimated from Newfoundland near
5100N 5550W to 5100N 5300W to 5500N 5200W to 5800N 5700W to 6100N
5700W to 5800N 5100W then eastwards.

Western iceberg limit at 0000 UTC 25 Sep estimated from Quebec near
5015N 6000W to 4930N 5930W to Newfoundland near 4930N 5807W.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Gulf - Magdalen

Issued 8:00 PM ADT 24 September 2016

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Watches (In effect)

Waterspout watch in effect

Gulf - Magdalen

Issued 7:56 PM ADT 24 September 2016 Conditions are favourable for the development of waterspouts.

An outbreak of cold air combined with warm waters and favourable atmospheric conditions will give the potential for waterspout development this evening and on Sunday over southern Gulf of St. Lawrence waters and the eastern half of the Northumberland Strait.

Keep in mind that waterspouts cannot be seen at night and may strike suddenly. Waterspouts are generally isolated in nature although they can also occur in families of two or more. Waterspouts are generally short-lived in nature, typically lasting 20 minutes or less. Spray rings associated with waterspouts can measure in the tens of metres.

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 24 September 2016 Tonight and Sunday By 8:00 p.m. ADT tonight departing low 998 mb located near the
Grand Banks.

At 8:00 p.m. ADT tonight quasi-stationary ridge located near the
Great Lakes.

Marine Weather Statement

Issued 7:43 PM ADT 24 September 2016 An outbreak of cold air combined with warm waters and favourable
atmospheric conditions will give the potential for waterspout
development this evening and on Sunday over Southern Gulf of St.
Lawrence waters and the eastern half of the Northumberland Strait.

Marine interests are advised that a waterspout watch is in effect for
Gulf-Magdalen and the Northumberland Strait.

As of 6:00 PM ADT the center of tropical storm Karl was located near
latitude 33.6 north and longitude 61.1 west. Maximum sustained winds
were 55 knots and minimum central pressure was 994 MB. The low was
moving toward the east-northeast at 20 knots.

This storm will not have any significant impact on Atlantic Canada.

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