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Southeastern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 13 March 2026

Today Tonight and Saturday.

Gale warning in effect.

Wind southwest 25 knots increasing to southwest 35 near noon then veering to west 35 this evening. Wind diminishing to west 25 overnight and to west 15 Saturday morning. Wind diminishing to light near noon Saturday then increasing to southeast 25 Saturday evening.

Showers and fog banks ending this evening. Rain Saturday evening.

Temperatures plus 9 falling to minus 1 to plus 3 this evening.

Waves

Issued 06:00 PM NDT 12 March 2026
Tonight and Friday. Seas 2 to 3 metres building to 3 to 4 late overnight and to 4 to 6 Friday afternoon.

Extended Forecast

Issued 03:00 AM NDT 13 March 2026
Sunday Wind west 35 to 45 knots.
Monday Wind northwest 25 knots.
Tuesday Wind southwest 25 to 35 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

Southeastern 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

Tail of the 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

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southeastern 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

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

Iceberg Bulletin

Tail of the 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

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southeastern Grand Banks

Issued 03:46 AM NDT 13 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 3:00 AM NDT 13 March 2026 Today Tonight and Saturday At 3:00 a.m. NDT today deepening low 995 mb located over western
Newfoundland.
By 3:00 a.m. NDT Saturday low 951 mb located northeast of Belle
Isle Bank.

At 3:30 p.m. NDT Saturday low 1002 mb located over southern New
Brunswick.
By 8:00 p.m. NDT Saturday low 999 mb located over western Cape
Breton Island.

Marine Weather Statement

Issued 2:48 AM NDT 13 March 2026 A deepening low pressure system over Western Newfoundland will slowly
track northeastward today to lie northeast of Belle Isle Bank by
early Saturday morning. Strong to gale force southwesterlies are
expected south of the low today. As the low rapidly deepens over
Belle Isle Bank this evening, gale to storm force northwesterlies to
southwesterlies, except storm to hurricane force over Belle Isle
Bank, will develop to its west and south.

A second low pressure system will approach from the Maritimes late in
the day on Saturday. Strong to gale force easterlies to
southeasterlies are expected over southwesternmost waters ahead of
the low.

Marine interests are advised that a hurricane force wind warning is
in effect for Belle Isle Bank. Storm warnings are in effect for East
Coast, Northeast Coast, Funk Island Bank, and Northern Grand Banks.
Gale warnings are in effect for all remaining waters.

Marine interests are also advised that freezing spray warnings are in
effect for all waters except South Coast and the Grand Banks.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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