Grand Manan

Forecast

Marine Forecast

Issued 10:00 AM AST 18 December 2018

Today Tonight and Wednesday.

Gale warning in effect.

Wind northwest 40 knots diminishing to northwest 30 after midnight and to northwest 15 to 20 Wednesday afternoon.

Periods of snow ending early this afternoon. Visibility 1 mile or less in snow.

Risk of freezing spray overnight.

Temperatures near minus 1.

Waves

Issued 05:00 AM AST 18 December 2018
Today Tonight and Wednesday. Seas 1 to 2 metres building to 2 to 3 this morning then subsiding to 1 to 2 Wednesday morning. Seas subsiding to 1 or less Wednesday evening.

Extended Forecast

Issued 03:00 AM AST 18 December 2018
Thursday Wind northwest 15 knots diminishing to light in the afternoon.
Friday Wind light increasing to southeast 35 knots late in the day.
Saturday Wind southeast 35 knots diminishing to south 20.

Ice Forecast

Issued 10:00 AM EST 18 December 2018 Today Tonight and Wednesday Ice free. 

[ 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 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 EST 18 December 2018 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from Nova Scotia near 4615N 6115W to 4720N
6350W to 4850N 6350W to 5000N 6530W to 4955N 6450W to 4920N 6400W to
4840N 6200W to 5115N 5740W to Newfoundland near 5025N 5725W. Sea ice
west and north of the ice edge.

Second ice edge estimated from 4700N 6155W to 4715N 6220W to 4750N
6130W to 4735N 6105W to 4700N 6155W. Sea ice within the ice edge.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Gale warning in effect

Grand Manan

Issued 10:00 AM AST 18 December 2018

'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.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM AST 18 December 2018 Today Tonight and Wednesday At 10:00 a.m. AST today low 974 mb located over Cabot Strait.
By 10:00 a.m. AST Wednesday deepening low 972 mb located northeast
of Newfoundland.

At 10:00 a.m. AST today ridge located on a line north-south over
the Great Lakes.
By 8:00 p.m. AST Wednesday ridge located on a line north-south
over Maine.

Marine Weather Statement

Issued 9:55 AM AST 18 December 2018 An intense low pressure system located over Cabot Strait will
Slowly move across Southern Newfoundland tonight before departing
northeast of Newfoundland on Wednesday. Winds behind the low will
increase to gale force northwesterlies across the district this
afternoon and those gales are expected to reach storm force over
The Gulf-Magdalen waters later today. Cold air behind this system
will give freezing spray to Anticosti tonight and Wednesday with
A risk of freezing spray to the remaining Gulf waters.

Marine interests are advised that a storm warning is in effect for
Gulf-Magdalen. Gale warnings are in effect for all remaining marine
waters. A freezing spray warning is in effect for Anticosti.

Marine interests are also advised that higher than normal water
levels and heavy pounding surf are expected today and tonight along
the Îles de la Madeleine, as well as north to northwest-facing
coastlines of Western Cape Breton, Eastern Prince Edward Island and
Northern Nova Scotia.

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