Marine Forecast

Issued 03:30 PM ADT 24 September 2016

Tonight and Sunday

Strong wind warning in effect.

Wind northwest 15 knots increasing to northwest 20 late overnight and to northwest 25 Sunday evening.


Issued 05:00 PM ADT 24 September 2016
Tonight and Sunday Seas 1 metre or less.

Extended Forecast

Issued 03:30 PM ADT 24 September 2016
Monday Wind northwest 25 knots diminishing to northwest 15 to 20 in the afternoon.
Tuesday Wind northwest 15 knots becoming south 10 to 15 late in the day.
Wednesday Wind southeast 15 to 20 knots increasing to south 30.

Stay connected


Weather Conditions

Skip Image

Zoom-in to make a selection

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
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 25 May 2016 Forecasts have ended for the season.

Warnings (In effect)

Strong wind warning in effect


Issued 3:30 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.


Technical Marine Synopsis

Issued 3:30 PM ADT 24 September 2016 Tonight and Sunday By 3:30 p.m. ADT today departing low 998 mb located near the
Grand Banks.

At 3:30 p.m. ADT today quasi-stationary ridge located near the
Great Lakes.

Marine Weather Statement

Issued 3:30 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 gulf of Magdalen and
Eastern Northumberland Strait waters.

At 3:00 PM ADT the center of tropical storm Karl was located near
latitude 32.1 north and longitude 61.4 west. Maximum sustained winds
are 60 knots and minimum central pressure is 993 MB. The low is
moving toward the northeast at 16 knots.

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

St. Lawrence - St. Lawrence River Area

Another Region

What we are doing

Date modified: