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Marine Forecast

Issued 03:00 AM ADT 21 September 2020

Today Tonight and Tuesday.

Storm warning in effect.

Wind northeast 15 knots increasing to northeast 20 to 25 this evening and to northeast 35 to 45 Tuesday morning. Wind increasing to north 45 to 55 Tuesday afternoon.

Rain Tuesday afternoon and evening. Visibility 1 mile or less in rain.


Issued 05:00 AM ADT 21 September 2020
Today Tonight and Tuesday. Seas 2 metres building to 3 to 4 Tuesday morning and to 4 to 6 Tuesday afternoon. Seas building to 6 to 8 Tuesday evening.

Extended Forecast

Issued 03:00 AM ADT 21 September 2020
Wednesday Wind northwest 45 knots diminishing to west 20 in the afternoon.
Thursday Wind west 15 knots.
Friday Wind variable 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EDT 25 May 2020 Forecasts available to mariners upon request. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of St. Lawrence - St. Lawrence River marine weather areas West Bay of Fundy - 44490 Mont-Louis - 45138 Lake Nipissing - 45152 North Bay Airport Beauport Deschambault Île d'Orléans L'Assomption Trois-Rivières Airport Île aux-Grues Lac Saint-Pierre Montréal-Trudeau Int'l Airport Saint-Hubert Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Saint-Anicet Baie-Comeau Airport Cap-Rouge Île Rouge Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts Pointe-Noire Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Île Bicquette Cap-Chat 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 Roméo LeBlanc Int'l Airport Point Lepreau Saint John Airport St. Stephen Brier Island Yarmouth Airport North Cape
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 25 May 2020

Ice Coverage

Forecasts available to mariners upon request.


Warnings (In effect)

Storm warning in effect


Issued 03:00 AM ADT 21 September 2020

'Storm' force winds of 48 to 63 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 3:00 AM ADT 21 September 2020 Today Tonight and Tuesday At 3:00 a.m. ADT today Hurricane Teddy 963 mb located at 29.7N
By 3:00 a.m. ADT Tuesday Hurricane Teddy 960 mb located at 36.6N

At 3:30 p.m. ADT Tuesday Hurricane Teddy 961 mb located at 39.9N

At 3:00 a.m. ADT today quasi-stationary ridge located over the

Marine Weather Statement

Issued 9:40 AM ADT 21 September 2020 Hurricane Teddy is forecast to impact the marine areas tonight,
Tuesday, and into Wednesday. At this time, gale force winds and high
waves will begin late this evening over southern waters. Storm to
hurricane force winds are expected across southwestern waters on
Tuesday with gale to storm force winds further to the north and east.

Higher than normal water levels will bring large waves and rough,
pounding surf along parts of the Atlantic Coast of Nova Scotia on
Tuesday and persist into Wednesday morning.

At 9:00 A.M. ADT, hurricane Teddy is located near latitude 31.1 north
and longitude 63.0 west, about 114 nautical miles southeast of
Bermuda. Maximum sustained winds are estimated at 85 knots and
central pressure at 963 MB. Teddy is moving north at 8 knots.

Marine interests are advised that hurricane warnings are in effect
for Georges Bank, West Scotian Slope and East Scotian Slope.
Storm warnings are in effect for Lurcher, Browns Bank, southwestern
shore, LaHave Bank, eastern shore, Sable, and Laurentian Fan.
Gale warnings are in effect for Fundy, Grand Manan, Fourchu,
Banquereau, Cabot Strait, Northumberland Strait, and Gulf-Magdalen -
southern half.

Marine interests are also advised that high water level warnings are
in effect for southwestern shore and eastern shore. There is also a
possibility of higher than normal water levels for some Gulf of St.
Lawrence waters on Tuesday.

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