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Southeastern Grand Banks

Forecast

Marine Forecast

Issued 03:00 AM NST 08 December 2021

Today Tonight and Thursday.

Hurricane force wind warning in effect.

Wind southwest 25 to 35 knots diminishing to northwest 15 early this morning and to light near noon. Wind increasing to east 30 overnight and to south 35 to 45 near noon Thursday. Wind increasing to southwest 60 to 70 Thursday evening.

Rain and fog patches ending this morning. Showers beginning this evening and changing to rain and fog patches overnight.

Waves

Issued 06:00 PM NST 07 December 2021
Tonight and Wednesday. Seas 3 to 5 metres subsiding to 2 to 3 Wednesday afternoon.

Extended Forecast

Issued 03:00 AM NST 08 December 2021
Friday Wind west 45 to 55 knots diminishing to northwest 25 in the afternoon.
Saturday Wind variable 10 to 15 knots increasing to south 25.
Sunday Wind south 35 to 45 knots.

Ice Forecast

Issued 10:00 AM EST 7 December 2021 Today Tonight and Wednesday Forecasts available to mariners upon request.  

[ Canadian Ice Service ]

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Weather Conditions

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Map of Atlantic - Maritimes marine weather areas East Scotia Slope - 44137 Banquereau - 44139 LaHave Bank - 44150 Halifax Harbour - 44258 East Chedabucto Bay - 44488 West Chedabucto Bay - 44489 West Bay of Fundy - 44490 Mont-Louis - 45138 Baie-Comeau Airport Havre-Saint-Pierre Airport Île aux Perroquets Île Rouge Longue-Pointe-de-Mingan Sept-Îles Airport Pointe-des-Monts Pointe-Noire Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport Heath Point Îles de la Madeleine Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Île Bicquette Cap-Chat 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 Baccaro Point Beaver Island Brier Island Caribou Point Debert Eskasoni (First Nations) 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 Branch Hill Wreckhouse
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Ice Conditions

Ice Forecasts

Southeastern Grand Banks

Issued 10:00 AM EST 7 December 2021 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from Labrador near 5227N 5538W to 5325N
5531W to 5406N 5705W to Labrador near 5430N 5724W. Sea ice west of
the ice edge.

Second ice edge estimated from Labrador near 5439N 5727W to 5502N
5753W to 5538N 5958W to 5718N 6100W to 5954N 6343W to Labrador near
6014N 6422W. Sea ice west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EST 7 December 2021 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from Labrador near 5227N 5538W to 5325N
5531W to 5406N 5705W to Labrador near 5430N 5724W. Sea ice west of
the ice edge.

Second ice edge estimated from Labrador near 5439N 5727W to 5502N
5753W to 5538N 5958W to 5718N 6100W to 5954N 6343W to Labrador near
6014N 6422W. Sea ice west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southeastern Grand Banks

Issued 1:30 PM EST 7 December 2021

Iceberg Limit

Iceberg limit at 0000 UTC 8 Dec estimated from the Labrador coast
near 5202N 5550W to 5200N 5430W to 5245N 5000W to 5500N 4900W to
5745N 5715W to 6120N 5900W to 6205N 5355W to 5940N 4815W then
eastwards.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 1:30 PM EST 7 December 2021

Iceberg Limit

Iceberg limit at 0000 UTC 8 Dec estimated from the Labrador coast
near 5202N 5550W to 5200N 5430W to 5245N 5000W to 5500N 4900W to
5745N 5715W to 6120N 5900W to 6205N 5355W to 5940N 4815W then
eastwards.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Hurricane force wind warning in effect

Southeastern Grand Banks

Issued 03:00 AM NST 08 December 2021

'Hurricane' force winds of 64 knots or above 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NST 8 December 2021 Today Tonight and Thursday At 3:00 a.m. NST today weakening low 947 mb located over central
Labrador Sea.
By 3:00 a.m. NST Thursday departing low 970 mb located southeast
of Greenland.

At 8:00 p.m. NST tonight intensifying low 1002 mb located southeast
of Cape Cod.
By 8:00 p.m. NST Thursday deepening low 966 mb located northeast
of the Avalon Peninsula.

At 3:00 a.m. NST today ridge located south of Nova Scotia.
By 3:00 a.m. NST Thursday ridge located over the Northeast Coast
of Newfoundland.

Marine Weather Statement

Issued 2:54 AM NST 8 December 2021 A very intense low pressure system over the Labrador Sea will slowly
weaken as it tracks eastward to lie southeast of Greenland tonight.
Gale to storm force west to southwesterlies to the south of the low
will gradually diminish today and tonight.

Another low pressure system will rapidly intensify as it approaches
from the southwest tonight. The low will track across the
Southeastern Avalon Peninsula Thursday afternoon as a major fall
storm. Gale force easterlies to northerlies ahead of the low and gale
force southerlies to its east will shift to gale to storm force
westerlies to northerlies in its wake. Hurricane force
southwesterlies can be expected over the Southern Grand Banks later
Thursday south of the low.

Marine interests are advised that hurricane force wind warnings are
in effect for the Southern Grand Banks. Storm warnings are in effect
for all remaining waters except Strait of Belle Isle and Gulf waters
where gale warnings are in effect.

Marine interests are also advised that freezing spray warnings are in
effect for Strait of Belle Isle, Gulf waters, and Belle Isle Bank.

Marine interests are further advised to prepare for potentially
dangerous and damaging high waves, pounding surf, and higher than
normal water levels along the northeast and east coasts of
Newfoundland Thursday afternoon through Thursday night.

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