Gulf - Port au Port - northwestern half


Marine Forecast

Issued 03:30 PM NST 18 January 2018

Tonight and Friday.

Wind variable 10 to 15 knots increasing to west 25 this evening then veering to northwest 15 to 20 late overnight. Wind diminishing to northwest 10 to 15 Friday evening.

Periods of snow ending Friday morning. Visibility as low as 1 mile in snow.

Freezing spray warning in effect.

Freezing spray beginning this evening and ending Friday evening.

Temperatures minus 1 falling to minus 14 to minus 6 overnight.


Issued 06:00 AM NST 18 January 2018
Today Tonight and Friday. Outside the ice edge seas 1 metre or less building to 1 to 2 this evening then subsiding to 1 or less Friday evening.

Extended Forecast

Issued 03:30 PM NST 18 January 2018
Saturday Wind variable 10 to 15 knots increasing to southwest 25 in the morning.
Sunday Wind northwest 35 knots.
Monday Wind northwest 25 to 35 knots.

Ice Forecast

Issued 10:00 AM EST 18 January 2018 Today Tonight and Friday Open water except 5 tenths new ice including 1 tenth grey ice along the Quebec coast. 

[ Canadian Ice Service ]

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Weather Conditions

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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 EST 18 January 2018 Today Tonight and Friday

Ice Edge

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

Second ice edge estimated from Nova Scotia near 4430N 6335W to 4505N
6045W to 4605N 5925W to 4840N 6135W to 4945N 6050W then
northeastward. Sea ice west of the ice edge.

Third ice edge estimated from 4945N 6050W to 5030N 5810W to 4820N
5930W to Newfoundland near 4810N 5850W. Sea ice north and east of
the ice edge.

Ice Coverage

Open water except 5 tenths new ice including 1 tenth grey ice along
the Quebec coast.


Iceberg Bulletin

Issued 11:00 AM EST 18 January 2018

Iceberg Limit

Iceberg limit at 0000 UTC 19 Jan estimated from the Labrador coast
near 5400N 5718W to 5400N 5200W to 5500N 5200W to 5700N 5300W then

Iceberg Count

No confirmed icebergs.

Warnings (In effect)

Freezing spray warning in effect

Gulf - Port au Port

Issued 3:30 PM NST 18 January 2018

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.


Technical Marine Synopsis

Issued 3:30 PM NST 18 January 2018 Tonight and Friday At 3:30 p.m. NST today deepening low 1000 mb located over eastern
By 3:00 a.m. NST Friday low 988 mb located east of Belle Isle Bank.

At 3:30 p.m. NST today deepening low 992 mb located southeast of
Cape Cod.
By 3:30 p.m. NST Friday low 985 mb located south of the Grand Banks.

By 3:30 p.m. NST Friday trough from 985 mb low located on a line
northeast-southwest over the southeastern Grand Banks.

Marine Weather Statement

Issued 3:20 PM NST 18 January 2018 A trough of low pressure associated with a developing low pressure
system lying southeast of Cape Cod will cross the Grand Banks Friday
morning. The low will continue eastward south of the Grand Banks
later Friday. Over the Southern Grand Banks, strong to gale force
southerlies will develop south of the trough tonight with strong
northeasterlies to its north. Winds will shift to gale force
northerlies on Friday as the low passes by south of the district.

Marine interests are advised that gale warnings are in effect for the
Southern Grand Banks.

Marine interests are also advised that freezing spray warnings are in
effect for all waters except Southwest Coast, South Coast, and the
Grand Banks.

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