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Northern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:30 PM NDT 11 March 2026

Tonight and Thursday.

Gale warning in effect.

Wind northwest 20 knots diminishing to variable 10 to 15 this evening then increasing to southeast 15 to 20 Thursday morning. Wind increasing to southeast 25 Thursday afternoon and to southwest 35 Thursday evening.

Rain or freezing rain Thursday morning and afternoon changing to showers and fog banks.

Temperatures minus 4 to zero rising to plus 5 Thursday afternoon.

Waves

Issued 06:00 AM NDT 11 March 2026
Today Tonight and Thursday. Seas 1 to 2 metres except 2 to 3 over northeastern sections tonight and Thursday morning. Seas building to 2 to 3 Thursday morning.

Extended Forecast

Issued 03:30 PM NDT 11 March 2026
Friday Wind southwest 35 knots veering to west 35 to 45 late in the day.
Saturday Wind west 35 knots diminishing to variable 10 to 15.
Sunday Wind west 35 to 45 knots.

Ice Forecast

Issued 10:00 AM EDT 11 March 2026 Today Tonight and Thursday 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 11 March 2026 Today Tonight and Thursday

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 11 March 2026 Today Tonight and Thursday

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 2:59 PM EDT 11 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W to 5930N
5700W to 6120N 5400W to 5825N 4900W then eastward.

Iceberg Count

Less than 10 icebergs.

Iceberg Bulletin

Flemish

Issued 2:59 PM EDT 11 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W 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 11 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 11 March 2026 Tonight and Thursday At 3:30 p.m. NDT today low 978 mb located over northern Labrador
Sea.
By 3:30 p.m. NDT Thursday departing low 994 mb located southeast
of Greenland.

At 3:00 a.m. NDT Thursday low 994 mb located over southern Quebec.
By 8:00 p.m. NDT Thursday low 991 mb located over Northeast Gulf.

At 3:30 p.m. NDT today ridge located over Quebec.
By 3:30 p.m. NDT Thursday departing ridge located over Belle
Isle Bank.

Marine Weather Statement

Issued 3:23 PM NDT 11 March 2026 An intense low pressure system over the Northern Labrador Sea will
track southeastward to lie southeast of the Labrador marine district
by overnight tonight. Strong to gale force northwesterlies will
persist over Belle Isle Bank tonight as a result of this low.

A second low pressure system will approach from the west tonight and
cross the Gulf of St. Lawrence on Thursday. Strong to gale force
northeasterlies to southeasterlies ahead of the low will shift to
southwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for
Gulf waters, Southwest Coast, South Coast, East Coast, Belle Isle
Bank and Northern Grand Banks.

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

Atlantic - Newfoundland Area

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Marine Weather for Canada

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