Gulf - Magdalen

Forecast

Marine Forecast

Issued 10:00 AM ADT 25 September 2016

Today Tonight and Monday

Strong wind warning in effect. Waterspout watch in effect.

Wind northwest 20 knots increasing to northwest 25 to 30 early this evening.

A few showers ending Monday morning with a risk of waterspouts.

Waves

Issued 05:00 AM ADT 25 September 2016
Today Tonight and Monday Seas 2 metres building to 2 to 3 early this evening then subsiding to 1 to 2 Monday afternoon.

Extended Forecast

Issued 03:00 AM ADT 25 September 2016
Tuesday Wind northwest 20 knots diminishing to variable 10 to 15 in the afternoon.
Wednesday Wind southeast 15 knots increasing to southeast 25.
Thursday Wind southeast 20 knots becoming northwest 20.

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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 25 September 2016

Iceberg Limit

Iceberg limit at 0000 UTC 26 Sep estimated from Newfoundland near
5033N 5615W to 5030N 5300W to 5500N 5200W to 5800N 5700W to 6100N
5700W to 5800N 5100W then eastwards.

Western iceberg limit at 0000 UTC 26 Sep estimated from Quebec near
5047N 5859W to Newfoundland near 5027N 5729W.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Gulf - Magdalen

Issued 10:00 AM ADT 25 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 02:47 AM ADT 25 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 today 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 10:00 AM ADT 25 September 2016 Today Tonight and Monday At 10:00 a.m. ADT today quasi-stationary trough located northeast
of Newfoundland.

At 10:00 a.m. ADT today ridge located on a line north-south over
the Great Lakes.
By 9:00 a.m. ADT Monday ridge located on a line north-south over
New England.

Marine Weather Statement

Issued 9:43 AM ADT 25 September 2016 An outbreak of cold air combined with warm waters and favourable
atmospheric conditions will give the potential for waterspout
development today 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 10:00 AM ADT the center of tropical storm Karl was located near
latitude 38.6 north and longitude 51.4 west. Maximum sustained winds
were 60 knots and minimum central pressure was 990 MB. Karl was
moving toward the northeast at 30 knots.

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

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