Grand Manan


Marine Forecast

Issued 03:00 AM ADT 20 March 2018

Today Tonight and Wednesday.

Gale warning in effect.

Wind northwest 25 knots diminishing to west 15 this morning and to light this evening. Wind increasing to northeast 15 to 20 overnight and to northeast 25 to 30 near noon Wednesday. Wind increasing to northeast 35 Wednesday afternoon and to northeast 45 Wednesday evening.

Snow beginning Wednesday afternoon. Visibility 1 mile or less in snow.

Risk of freezing spray this morning.

Temperatures minus 2 rising to plus 2 Wednesday evening.


Issued 05:00 AM ADT 20 March 2018
Today Tonight and Wednesday. Seas 1 to 2 metres subsiding to 1 or less this afternoon then building to 1 to 2 Wednesday morning. Seas building to 2 to 3 Wednesday afternoon and to 3 to 4 Wednesday evening.

Extended Forecast

Issued 03:00 AM ADT 20 March 2018
Thursday Wind northeast 35 to 45 knots backing to northerly 35 in the afternoon.
Friday Wind northwest 25 knots diminishing to northerly 10 to 15.
Saturday Wind northeast 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 19 March 2018 Today Tonight and Tuesday Ice free. 

[ Canadian Ice Service ]

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Map of Atlantic - Maritimes marine weather areas East Scotia Slope - 44137 Southwestern Grand Banks - 44138 Banquereau - 44139 Laurentian Fan - 44141 LaHave Bank - 44150 Northeast Burgeo Bank - 44255 Halifax Harbour - 44258 Mont-Louis - 45138 Baie-Comeau Airport Havre-Saint-Pierre Airport Longue-Pointe-de-Mingan Sept-Îles Airport Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport Heath Point La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Bas Caraquet Bathurst Airport Bouctouche AAFC Charlo Eskasoni (First Nations) Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac Miscou Island Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau Saint John Airport St. Stephen Baccaro Point Beaver Island Brier Island Caribou Point Debert Grand Étang CFB Greenwood Hart Island Ingonish Beach Kentville AAFC Lunenburg McNabs Island Nappan AAFC North Mountain Parrsboro Sable Island St.Paul Island Shearwater Airport J.A. Douglas McCurdy Sydney Airport Tracadie Western Head Yarmouth Airport Charlottetown Airport East Point North Cape Summerside Burgeo Port aux Basques Sagona Island St. Lawrence Stephenville Airport Winterland Wreckhouse Île aux Perroquets Île Rouge Pointe-des-Monts Pointe-Noire Île Bicquette Cap-Chat Îles de la Madeleine Airport
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 19 March 2018 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Nova Scotia near 4520N 6100W to 4510N 6005W
to 4550N 5815W to 4655N 5755W to Newfoundland near 4730N 5610W. Sea
ice north of the ice edge.

Ice Coverage

Ice free.


Warnings (In effect)

Gale warning in effect

Grand Manan

Issued 03:00 AM ADT 20 March 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.


Technical Marine Synopsis

Issued 3:00 AM ADT 20 March 2018 Today Tonight and Wednesday At 3:00 a.m. ADT today ridge located over New England.
By 8:00 p.m. ADT tonight ridge located over the western Marine

At 3:00 a.m. ADT Wednesday trough located southwest of the Marine
By 8:00 p.m. ADT Wednesday trough located on a line east-west over
the southern Marine District.

Marine Weather Statement

Issued 2:45 AM ADT 20 March 2018 A quasi-stationary low pressure system northeast of the district will
maintain strong west to northwesterlies over the region until a ridge
of high pressure builds in overnight. Freezing spray over northern
waters will subside this evening.

A trough of low pressure will approach the Maritimes from the
southwest on Wednesday. Strong to gale force northeasterly winds
north of the trough will spread to most of the district by Thursday
morning and switch to strong to gale force southwesterly winds in its

Marine interests are advised that gale warnings are in effect for all
marine waters except for Cabot Strait, Northumberland Strait, Gulf -
Magdalen, Chaleur - Miscou and Anticosti. Freezing spray warnings are
in effect for and all Gulf of St. Lawrence waters.

Atlantic - Maritimes Area

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