Northumberland Strait - western half

Forecast

Marine Forecast

Issued 03:00 AM AST 28 February 2017

Today Tonight and Wednesday

Wind northwest 25 knots diminishing to northwest 10 to 15 this morning and to light near noon. Wind increasing to southeast 15 overnight and to south 20 to 25 Wednesday morning. Wind increasing to south 25 to 30 Wednesday afternoon then veering to southwest 20 to 25 Wednesday evening.

Periods of freezing rain beginning overnight changing to periods of rain Wednesday morning. Fog patches forming Wednesday afternoon.

Freezing spray warning in effect.

Over open water freezing spray ending this morning.

Temperatures minus 4 rising to plus 5 Wednesday evening.

Extended Forecast

Issued 03:00 AM AST 28 February 2017
Thursday Wind southwest 20 to 25 knots increasing to west 30 to 40 late in the day.
Friday Wind westerly 40 to 50 knots.
Saturday Wind northwest 30 to 40 knots.

Ice Forecast

Issued 10:00 AM EST 27 February 2017 Today Tonight and Tuesday Open water except 9 plus tenths of first-year ice in the eastern section along the Prince Edward Island coast. 

[ Canadian Ice Service ]

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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 EST 27 February 2017 Today Tonight and Tuesday

Ice Edge

First ice edge estimated from Nova Scotia near 4650N 6020W to 4700N
5945W to 4805N 6120W to 5000N 5820W to 4835N 5925W to Newfoundland
near 4755N 5925W. Sea ice west of the ice edge.

Second ice edge estimated from New Brunswick near 4530N 6515W to
Nova Scotia near 4505N 6500W. Sea ice east of the ice edge.

Ice Coverage

Open water except 9 plus tenths of first-year ice in the eastern
section along the Prince Edward Island coast.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Northumberland Strait

Issued 03:00 AM AST 28 February 2017

Moderate or severe freezing spray is 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM AST 28 February 2017 Today Tonight and Wednesday At 3:00 a.m. AST today trough located over Banquereau.
By 10:00 a.m. AST today departing trough located east of the
Marine District.

At 10:00 a.m. AST Wednesday low 990 mb located over the Great Lakes.
By 8:00 p.m. AST Wednesday low 984 mb located over the Gaspe
Peninsula.

At 3:00 a.m. AST today ridge located over New England.
By 8:00 p.m. AST tonight departing ridge located on a line
northwest-southeast over Laurentian Fan.

Marine Weather Statement

Issued 2:10 AM AST 28 February 2017 A trough of low pressure over Banquereau will continue to move off to
the east today. Strong to gale force westerlies in the wake of the
trough will diminish today ahead of an approaching ridge of high
pressure. On Wednesday an intense low pressure system will track from
the Great Lakes region to the Gaspé Peninsula. Strong to gale force
south to southwest winds will develop ahead of the low.

Marine interests are advised that gale warnings are in effect for all
waters except Fundy, Grand Manan, Northumberland Strait and
Chaleur-Miscou.

Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait, Northumberland Strait, Gulf-Magdalen,
Chaleur-Miscou and Anticosti.

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