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Gulf - Port au Port

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 11 March 2026

Today Tonight and Thursday.

Gale warning in effect.

Wind north 20 knots backing to northwest 10 to 15 near noon then veering to northeast 10 to 15 this evening. Wind veering to east 20 overnight then increasing to east 35 Thursday morning and locally gusts to 55 along the Newfoundland coast. Wind diminishing to southwest 25 Thursday afternoon except variable 15 to 20 over northern sections.

Flurries ending early this morning. Snow beginning this evening and changing to rain or freezing rain near noon Thursday. Visibility 1 mile or less in precipitation.

Freezing spray warning in effect.

Over open water freezing spray ending near noon. Freezing spray beginning overnight and ending Thursday afternoon.

Temperatures minus 10 to minus 2 rising to zero to plus 8 Thursday afternoon.

Waves

Issued 06:00 AM NDT 11 March 2026
Today Tonight and Thursday. Outside the ice edge seas 1 to 2 metres subsiding to 1 or less this afternoon then building to 1 to 2 late overnight. Seas building to 2 to 3 near noon Thursday.

Extended Forecast

Issued 03:00 AM NDT 11 March 2026
Friday Wind west 15 to 20 knots increasing to west 25 to 35 in the afternoon.
Saturday Wind variable 10 to 15 knots increasing to northeast 25 to 35.
Sunday Wind northwest 25 knots.

Ice Forecast

Issued 10:00 AM EDT 10 March 2026 Today Tonight and Wednesday Open water except 5 tenths grey ice including 1 tenth first-year ice in the extreme northeastern section. Consolidated first-year ice along parts of the coasts. 

[ 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
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 10 March 2026 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4603N 5814W to 4722N 5805W to 4643N 5628W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.

Ice Coverage

Open water except 5 tenths grey ice including 1 tenth first-year ice
in the extreme northeastern section. Consolidated first-year ice
along parts of the coasts.

 

Iceberg Bulletin

Issued 2:30 PM EDT 10 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 11 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

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Gulf - Port au Port

Issued 03:00 AM 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.

Freezing spray warning in effect

Gulf - Port au Port

Issued 03:00 AM NDT 11 March 2026

Moderate or severe freezing spray is 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 3:00 AM NDT 11 March 2026 Today Tonight and Thursday At 3:00 a.m. NDT today low 972 mb located north of Labrador Sea.
By 3:00 a.m. NDT Thursday low 984 mb located east of Labrador Sea.

At 3:00 a.m. NDT Thursday approaching low 989 mb located over
southern Quebec.

At 3:00 a.m. NDT today ridge located over Quebec.
By 3:00 a.m. NDT Thursday ridge located on a line
northwest-southeast over the Northeast Coast of Newfoundland.

Marine Weather Statement

Issued 2:45 AM NDT 11 March 2026 An intense low pressure system just north of the Labrador Sea will
track southeastwards to lie east of the Labrador marine district by
overnight tonight. Strong to gale force northwesterlies will persist
over Belle Isle Bank today and 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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