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Southwestern Grand Banks

Forecast

Marine Forecast

Issued 03:30 PM NDT 23 March 2023

Tonight and Friday.

Storm warning in effect.

Wind northwest 15 to 20 knots diminishing to variable 10 to 15 this evening then increasing to southeast 25 late overnight. Wind increasing to southeast 45 to 55 Friday morning then diminishing to west 35 Friday afternoon. Wind increasing to west 45 Friday evening.

Flurries this afternoon. Rain or snow overnight and Friday. Visibility 1 mile or less in precipitation.

Waves

Issued 06:00 AM NDT 23 March 2023
Today Tonight and Friday. Seas 3 to 4 metres subsiding to 2 to 3 this evening then building to 3 to 5 Friday morning. Seas building to 5 to 7 Friday afternoon.

Extended Forecast

Issued 03:30 PM NDT 23 March 2023
Saturday Wind northwest 45 to 55 knots.
Sunday Wind northwest 25 to 35 knots diminishing to variable 10 to 15.
Monday Wind north 20 knots.

Ice Forecast

Issued 10:00 AM EDT 23 March 2023 Today Tonight and Friday 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
Legend:
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land station Land Station
Ice Conditions

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 23 March 2023 Today Tonight and Friday

Ice Edge

Ice edge estimated from Newfoundland near 4647N 5257W to 4707N 5014W
to 4910N 4847W to 5021N 5342W to 5459N 5204W to 5600N 5622W 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 23 March 2023 Today Tonight and Friday

Ice Edge

Ice edge estimated from Newfoundland near 4647N 5257W to 4707N 5014W
to 4910N 4847W to 5021N 5342W to 5459N 5204W to 5600N 5622W 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 2:30 PM EDT 23 March 2023

Iceberg Limit

Iceberg limit at 0000 UTC 24 Mar estimated from Newfoundland near
4655N 5555W to 4530N 5510W to 4425N 4600W to 4725N 4400W to 5835N
5540W to 6005N 5015W to 5850N 4755W then eastwards.

Western iceberg limit at 0000 UTC 24 Mar estimated from Quebec near
5020N 6050W to Newfoundland near 4917N 5810W.

Iceberg Count

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

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 23 March 2023

Iceberg Limit

Iceberg limit at 0000 UTC 24 Mar estimated from Newfoundland near
4655N 5555W to 4530N 5510W to 4425N 4600W to 4725N 4400W to 5835N
5540W to 6005N 5015W to 5850N 4755W then eastwards.

Western iceberg limit at 0000 UTC 24 Mar estimated from Quebec near
5020N 6050W to Newfoundland near 4917N 5810W.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Storm warning in effect

Southwestern Grand Banks

Issued 3:30 PM NDT 23 March 2023

'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 3:30 PM NDT 23 March 2023 Tonight and Friday At 3:30 p.m. NDT today ridge located from Banquereau to the Quebec
Lower North Shore.
By 3:30 p.m. NDT Friday departing ridge located east of the Marine
District.

At 3:00 a.m. NDT Friday deepening low 996 mb located near Nova
Scotia.
By 3:30 p.m. NDT Friday deepening low 986 mb located over the
southern Grand Banks.

Marine Weather Statement

Issued 3:21 PM NDT 23 March 2023 A deepening low pressure system approaching from the west will cross
Nova Scotia early Friday morning before moving to lie over the Grand
Banks by Friday night. Gale to storm force southeast to northeasterly
winds will develop on Friday ahead of the low before shifting to
strong to gale force westerly winds over southern waters in its wake.

Marine interests are advised that storm warnings are in effect for
the Grand Banks. Gale warnings are in effect for Southwest Coast,
South Coast, East Coast and Funk Island Bank.

Atlantic - Newfoundland Area

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