Saguenay to Tadoussac

Forecast

Marine Forecast

Issued 04:30 PM EDT 21 August 2017

Tonight and Tuesday.

Gale warning in effect. Squall watch in effect.

Wind west 15 to 25 knots with gusts to 35 near thunderstorms. Wind becoming west 10 to 15 this evening then becoming east 10 to 20 late overnight. Wind increasing to east 25 to 35 late Tuesday morning then diminishing to east 15 to 25 Tuesday evening.

A few showers ending this evening with a risk of thunderstorms. Showers beginning Tuesday evening with a risk of thunderstorms. Visibility as low as 1 mile in showers.

Extended Forecast

Issued 06:00 PM EDT 21 August 2017
Wednesday Wind west 15 to 25 knots.
Thursday Wind west 15 to 25 knots.
Friday Wind west 15 knots.

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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 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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Warnings

Warnings (In effect)

Squall warning in effect

Saguenay to Tadoussac

Issued 7:16 PM EDT 21 August 2017 Squalls with wind gusts up to 35 knots are expected or occurring in the area.

A line of strong thunderstorms will move across these areas over the next hour. Gusts to 35 knots have been observed with these thunderstorms.

Mariners are advised to prepare for squalls. If underway, seek safe harbour immediately. Consider delaying or postponing travel in areas under the squall warning.

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

Gale warning in effect

Saguenay to Tadoussac

Issued 4:30 PM EDT 21 August 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.

Watches (In effect)

Squall watch in effect

Saguenay to Tadoussac

Issued 4:33 PM EDT 21 August 2017 Conditions are favourable for the development of squalls with wind gusts up to 35 knots.



Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway. Consider delaying or postponing travel in areas under the Squall Watch.

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 3:00 PM EDT 21 August 2017 Tonight and Tuesday At 3:00 p.m. EDT today ridge located on a line north-south over
Cornwall.
By 8:00 a.m. EDT Tuesday departing ridge located on a line
north-south over Newfoundland.

At 5:00 a.m. EDT Tuesday intensifying low 1003 mb located north
of Lake Huron.
By 8:00 p.m. EDT Tuesday low 986 mb located over northern Quebec.

At 9:00 a.m. EDT Tuesday trough from low located on a line
northeast-southwest over Lake Michigan.
By 8:00 p.m. EDT Tuesday trough from low located on a line
north-south over Matane.

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