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Southwestern Grand Banks

Forecast

Marine Forecast

Issued 08:00 PM NDT 20 September 2019

Tonight and Saturday.

Storm warning in effect.

Wind southwest 40 to 50 knots increasing to southwest 50 to 60 late this evening then veering to west 40 to 50 early Saturday morning. Wind diminishing to west 35 late Saturday morning and to northwest 25 Saturday afternoon. Wind veering to north 15 to 20 Saturday evening.

Periods of rain ending Saturday afternoon. Fog patches forming this evening and dissipating Saturday morning.

Waves

Issued 06:00 PM NDT 20 September 2019
Tonight and Saturday. Seas 7 to 9 metres subsiding to 4 to 6 Saturday morning and to 3 to 4 Saturday afternoon. Seas subsiding to 2 to 3 Saturday evening.

Extended Forecast

Issued 03:30 PM NDT 20 September 2019
Sunday Wind northwest 15 to 20 knots.
Monday Wind southwest 25 knots.
Tuesday Wind southwest 15 to 20 knots.

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Map of Atlantic - Maritimes marine weather areas East Scotia Slope - 44137 Banquereau - 44139 LaHave Bank - 44150 Halifax Harbour - 44258 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

Southwestern Grand Banks

Issued 10:00 AM EDT 13 July 2019 Forecasts have ended for the season.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 13 July 2019 Forecasts have ended for the season.
 

Iceberg Bulletin

Southwestern Grand Banks

Issued 11:00 AM EDT 20 September 2019

Iceberg Limit

Iceberg limit at 0000 UTC 21 Sep estimated from Newfoundland near
5100N 5550W to 5130N 4930W to 5330N 5000W to 5700N 5500W to 6100N
5800W to 6200N 5600W to 5900N 5000W then eastwards.

Western iceberg limit at 0000 UTC 21 Sep estimated from the Labrador
coast near 5138N 5636W to Newfoundland near 5124N 5629W.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 11:00 AM EDT 20 September 2019

Iceberg Limit

Iceberg limit at 0000 UTC 21 Sep estimated from Newfoundland near
5100N 5550W to 5130N 4930W to 5330N 5000W to 5700N 5500W to 6100N
5800W to 6200N 5600W to 5900N 5000W then eastwards.

Western iceberg limit at 0000 UTC 21 Sep estimated from the Labrador
coast near 5138N 5636W to Newfoundland near 5124N 5629W.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Storm warning in effect

Southwestern Grand Banks

Issued 8:00 PM NDT 20 September 2019

'Storm' force winds of 48 to 63 knots 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 8:00 PM NDT 20 September 2019 Tonight and Saturday At 9:30 p.m. NDT tonight Post-tropical Storm Humberto 978 mb
located at 44.1N 55.4W.
By 9:30 p.m. NDT Saturday weakening Post-tropical Storm Humberto
981 mb located at 46.1N 43.1W.

At 8:00 p.m. NDT tonight trough located over northern Newfoundland.
By 3:30 p.m. NDT Saturday trough located east of Funk Island Bank.

At 8:00 p.m. NDT tonight ridge located over Newfoundland.
By 3:00 a.m. NDT Saturday dissipating ridge located on a line
east-west over Funk Island Bank.

Marine Weather Statement

Issued 7:59 PM NDT 20 September 2019 At 9.30 PM NDT, post-tropical storm Humberto will be located near
latitude 44.1 north and longitude 55.4 west , about 184 nautical
miles or 341 kilometres south-southwest of Cape Race. Maximum
sustained winds are estimated at 60 knots (111 km/h) and central
pressure at 978 MB. Humberto is moving east-northeast at 19 knots (35
km/h).

Humberto will continue northeastward and weaken as it tracks through
the Southern Grand Banks tonight.

Gale force southeasterlies ahead of Humberto will increase to gale to
storm force southwesterlies to its south this evening. Strong to gale
force northwesterlies will persist behind Humberto on Saturday.

Meanwhile, a trough of low pressure moving southward from Labrador
will track across the district tonight and Saturday. Strong to gale
force northerlies are expected behind the trough on Saturday.

Marine interests are advised that storm warnings are in effect for
the Southern Grand Banks. Gale warnings are in effect for Northeast
Gulf, East Coast, Northeast Coast, Funk Island Bank, and Northern
Grand Banks.

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