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Northern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:30 PM NDT 12 March 2026

Tonight and Friday.

Gale warning in effect.

Wind southeast 25 knots increasing to southwest 35 early this evening and to southwest 35 to 45 Friday evening.

Showers and fog banks changing to flurries Friday evening.

Temperatures plus 6 falling to zero Friday evening.

Waves

Issued 06:00 AM NDT 12 March 2026
Today Tonight and Friday. Seas 1 to 2 metres except 2 to 3 over eastern sections. Seas building to 2 to 3 near noon and to 3 to 5 near midnight and to 5 to 7 Friday afternoon.

Extended Forecast

Issued 03:30 PM NDT 12 March 2026
Saturday Wind west 35 knots diminishing to west 25 in the morning and to variable 10 to 15 late in the day.
Sunday Wind southwest 35 to 45 knots veering to northwest 35 to 45.
Monday Wind northwest 25 knots.

Ice Forecast

Issued 10:00 AM EDT 12 March 2026 Today Tonight and Friday Bergy water.  

[ Canadian Ice Service ]

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

Ice Forecasts

Northern Grand Banks

Issued 10:00 AM EDT 12 March 2026 Today Tonight and Friday

Ice Edge

First ice edge estimated from 4640N 5530W to 4628N 5339W to
Newfoundland near 4638N 5314W. Sea ice north of the ice edge.

Second ice edge estimated from Newfoundland near 4746N 5243W to
4845N 5230W to 5001N 5302W to 5141N 4911W to 5500N 5130W to 5700N
5600W to 6000N 5815W to 6159N 5721W then northeastward. Sea ice west
of the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Flemish

Issued 10:00 AM EDT 12 March 2026 Today Tonight and Friday

Ice Edge

First ice edge estimated from 4640N 5530W to 4628N 5339W to
Newfoundland near 4638N 5314W. Sea ice north of the ice edge.

Second ice edge estimated from Newfoundland near 4746N 5243W to
4845N 5230W to 5001N 5302W to 5141N 4911W to 5500N 5130W to 5700N
5600W to 6000N 5815W to 6159N 5721W then northeastward. Sea ice west
of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Northern Grand Banks

Issued 2:53 PM EDT 12 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 13 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W to 5220N
4615W to 5650N 5345W to 5930N 5700W to 6120N 5400W to 5825N 4900W
then eastward.

Iceberg Count

Less than 10 icebergs.

Iceberg Bulletin

Flemish

Issued 2:53 PM EDT 12 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 13 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W to 5220N
4615W to 5650N 5345W to 5930N 5700W to 6120N 5400W to 5825N 4900W
then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Northern Grand Banks

Issued 3:30 PM NDT 12 March 2026

'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 3:30 PM NDT 12 March 2026 Tonight and Friday At 3:30 p.m. NDT today deepening low 995 mb located over the Gulf
of St. Lawrence.
By 3:30 p.m. NDT Friday low 984 mb located over the Northeast
Coast of Newfoundland.

At 3:30 p.m. NDT today departing ridge located on a line
northwest-southeast over Belle Isle Bank.

Marine Weather Statement

Issued 3:14 PM NDT 12 March 2026 A deepening low pressure system over the Gulf of St. Lawrence will
move over Western Newfoundland tonight and stall before moving across
the Northeast Coast and Belle Isle Bank late in the day on Friday.
Strong to gale force northeasterlies to southeasterlies are expected
north of the low tonight with strong to gale force southwesterlies to
its south. As the low rapidly deepens on Friday, gale to storm force
northwesterlies to southwesterlies will develop to its south.

Marine interests are advised that storm warnings are in effect for
East Coast, Northeast Coast, Belle Isle Bank, and Funk Island Bank.
Gale warnings are in effect for all remaining waters.

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

Atlantic - Newfoundland Area

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Marine Weather for Canada

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