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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NDT 20 September 2021

Today Tonight and Tuesday.

Storm warning in effect.

Wind northwest 45 to 55 knots diminishing to north 35 to 45 this afternoon then becoming north 35 this evening. Wind diminishing to northeast 25 late overnight and to northeast 15 near noon Tuesday.

Rain ending this afternoon.

Waves

Issued 06:00 AM NDT 20 September 2021
Today Tonight and Tuesday. Seas 6 to 8 metres subsiding to 4 to 6 this evening and to 3 to 4 Tuesday morning. Seas subsiding to 2 to 3 Tuesday evening.

Extended Forecast

Issued 03:00 AM NDT 20 September 2021
Wednesday Wind light becoming northwest 15 knots in the afternoon.
Thursday Wind northwest 15 knots.
Friday Wind northwest 15 to 20 knots veering to northeast 15 to 20.

Ice Forecast

Issued 10:00 AM EDT 8 July 2021 Forecasts available to mariners upon request.  

[ Canadian Ice Service ]

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Map of Atlantic - Newfoundland marine weather areas Banquereau - 44139 East Chedabucto Bay - 44488 West Chedabucto Bay - 44489 Blanc-Sablon Airport Cap Whittle Chevery Natashquan Airport Heath Point Îles de la Madeleine Airport Miscou Island Eskasoni (First Nations) Grand Étang Ingonish Beach North Mountain St.Paul Island J.A. Douglas McCurdy Sydney Airport Charlottetown Airport East Point North Cape Argentia Bonavista Burgeo Cape Race Corner Brook Daniel's Harbour Englee Ferolle Point La Scie Port aux Basques Rocky Harbour Sagona Island St. Anthony Airport St. John's Int'l Airport St. Lawrence Stephenville Airport Twillingate Winterland Branch Hill Wreckhouse Grates Cove Pool's Island Marticot Island Long Pond Cartwright Airport Mary's Harbour
Legend:
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land station Land Station
Ice Conditions

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 8 July 2021

Ice Coverage

Forecasts available to mariners upon request.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 8 July 2021

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:30 PM EDT 19 September 2021

Iceberg Limit

Iceberg limit at 0000 UTC 20 Sep estimated from the Labrador coast
near 5222N 5538W to 5300N 5330W to 5515N 5330W to 5800N 5700W to
6240N 6015W to 6310N 5640W to 5925N 5230W then eastwards.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 19 September 2021

Iceberg Limit

Iceberg limit at 0000 UTC 20 Sep estimated from the Labrador coast
near 5222N 5538W to 5300N 5330W to 5515N 5330W to 5800N 5700W to
6240N 6015W to 6310N 5640W to 5925N 5230W then eastwards.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Storm warning in effect

Southwestern Grand Banks

Issued 10:00 AM NDT 20 September 2021

'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 10:00 AM NDT 20 September 2021 Today Tonight and Tuesday At 10:00 a.m. NDT today weakening low 990 mb located over the
southeastern Grand Banks.
By 10:00 a.m. NDT Tuesday low 1004 mb located southeast of the
Grand Banks.

At 3:30 p.m. NDT Tuesday trough located on a line east-west over
northwestern Labrador Sea.

At 10:00 a.m. NDT today ridge located over Labrador.
By 10:00 a.m. NDT Tuesday ridge located on a line
northeast-southwest over the Avalon Peninsula.

Marine Weather Statement

Issued 9:40 AM NDT 20 September 2021 An intense low pressure system will track eastward across the
Southern Grand Banks today before moving southeast of the district
tonight where it will stall for a few days. Gale force southerlies
ahead of the low shift to gale to storm force northerlies in its
wake. Winds will diminish tonight into Tuesday as the low weakens and
a ridge of high pressure moves southeast of Newfoundland.

A trough of low pressure will stretch across the Labrador Sea on
Tuesday. Gale force southwesterlies will develop over the Strait of
Belle Isle near noon Tuesday between this trough and the ridge of
high pressure to the southeast.

Marine interests are advised that storm warnings are in effect for
East Coast - Cape St. Francis and south, and the Grand Banks.
Gale warnings are in effect for Strait of Belle Isle, Southwest
Coast, South Coast, East Coast - north of Cape St. Francis, and Funk
Island Bank.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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