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Southwestern Grand Banks

Forecast

Marine Forecast

Issued 10:00 AM NDT 21 March 2023

Today Tonight and Wednesday.

Gale warning in effect.

Wind west 35 to 45 knots except west 25 over southern sections. Wind diminishing to northwest 25 this afternoon and to variable 10 to 15 Wednesday morning. Wind increasing to southwest 25 Wednesday afternoon then veering to northwest 25 Wednesday evening.

Showers or flurries Wednesday afternoon and evening.

Waves

Issued 06:00 AM NDT 21 March 2023
Today Tonight and Wednesday. Seas 5 to 7 metres except 3 to 5 over southern sections. Seas subsiding to 3 to 5 near noon and to 2 to 3 after midnight then building to 3 to 4 Wednesday evening.

Extended Forecast

Issued 03:00 AM NDT 21 March 2023
Thursday Wind northwest 25 knots diminishing to northwest 15 late in the day.
Friday Wind southeast 35 to 45 knots veering to southwest 35 to 45.
Saturday Wind northwest 35 to 45 knots.

Ice Forecast

Issued 10:00 AM EDT 21 March 2023 Today Tonight and Wednesday Bergy water.  

[ Canadian Ice Service ]

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Weather Conditions

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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 Berry Hill Bonavista Burgeo Cape Race Corner Brook Daniel's Harbour Englee Ferolle Point La Scie Port aux Basques 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
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Ice Conditions

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 21 March 2023 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4647N 5257W to 4645N 5226W
to 4848N 5019W to 4959N 5053W to 5035N 5338W to 5523N 5313W to 5633N
5731W to 5803N 5815W then northeastward. Sea ice north then west of
the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 21 March 2023 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4647N 5257W to 4645N 5226W
to 4848N 5019W to 4959N 5053W to 5035N 5338W to 5523N 5313W to 5633N
5731W to 5803N 5815W then northeastward. Sea ice north then west of
the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 4:12 PM EDT 20 March 2023

Iceberg Limit

Iceberg limit at 0000 UTC 21 Mar estimated from Newfoundland near
4655N 5555W to 4600N 5525W to 4515N 5000W to 4535N 4610W to 4700N
4500W to 4845N 4525W to 5835N 5540W to 6005N 5015W to 5900N 4815W to
5820N 4520W then eastwards.

Western iceberg limit at 0000 UTC 21 Mar estimated from Quebec near
5027N 5948W to Newfoundland near 4936N 5753W.

Iceberg Count

No confirmed icebergs except less than 10 icebergs northeast of the
iceberg limit.

Iceberg Bulletin

Tail of the Grand Banks

Issued 4:12 PM EDT 20 March 2023

Iceberg Limit

Iceberg limit at 0000 UTC 21 Mar estimated from Newfoundland near
4655N 5555W to 4600N 5525W to 4515N 5000W to 4535N 4610W to 4700N
4500W to 4845N 4525W to 5835N 5540W to 6005N 5015W to 5900N 4815W to
5820N 4520W then eastwards.

Western iceberg limit at 0000 UTC 21 Mar estimated from Quebec near
5027N 5948W to Newfoundland near 4936N 5753W.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southwestern Grand Banks

Issued 10:00 AM NDT 21 March 2023

'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.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM NDT 21 March 2023 Today Tonight and Wednesday At 10:00 a.m. NDT today low 973 mb located northeast of Belle
Isle Bank.
By 3:30 p.m. NDT today departing low 975 mb located east of the
Marine District.

At 3:30 p.m. NDT today ridge located over Nova Scotia.
By 3:30 p.m. NDT Wednesday ridge located over the Grand Banks.

At 3:30 p.m. NDT today trough located over New Brunswick.
By 3:30 p.m. NDT Wednesday trough located over Newfoundland.

Marine Weather Statement

Issued 9:52 AM NDT 21 March 2023 An intense low pressure system northeast of Belle Isle Bank will
track eastward away from the marine district today. Strong to gale
force westerlies to northwesterlies behind the low will gradually
diminish as it departs.

Marine interests are advised that gale warnings are in effect for all
waters except Strait of Belle Isle, Gulf waters, and Northeast Coast.

Atlantic - Newfoundland Area

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