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Gulf - Port au Port

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 12 March 2026

Today Tonight and Friday.

Gale warning in effect.

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

Snow changing to rain or freezing rain near noon then to snow Friday morning. Fog patches forming this afternoon and dissipating overnight. Visibility 1 mile or less in snow and in fog patches.

Freezing spray warning in effect.

Over open water freezing spray ending near noon. Freezing spray beginning Friday morning.

Temperatures minus 10 to minus 2 rising to minus 3 to plus 5 this afternoon then falling to minus 7 to minus 2 Friday morning.

Waves

Issued 06:00 AM NDT 12 March 2026
Today Tonight and Friday. Outside the ice edge seas 1 to 2 metres building to 2 to 3 near noon then subsiding to 1 to 2 near midnight. Seas building to 3 to 4 Friday evening.

Extended Forecast

Issued 03:00 AM NDT 12 March 2026
Saturday Wind west 15 to 20 knots diminishing to light in the afternoon then increasing to east 25 late in the day.
Sunday Wind northeast 25 knots backing to northwest 15 to 20.
Monday Wind light increasing to southeast 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 11 March 2026 Today Tonight and Thursday Open water except 3 tenths grey-white 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 11 March 2026 Today Tonight and Thursday

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 3 tenths grey-white ice including 1 tenth
first-year ice in the extreme northeastern section. Consolidated
first-year ice along parts of the coasts.

 

Iceberg Bulletin

Issued 2:59 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

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Gulf - Port au Port

Issued 03:00 AM 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.

Freezing spray warning in effect

Gulf - Port au Port

Issued 03:00 AM NDT 12 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 12 March 2026 Today Tonight and Friday At 3:00 a.m. NDT today low 994 mb located over southern Quebec.
By 3:00 a.m. NDT Friday low 993 mb located over western
Newfoundland.

At 3:00 a.m. NDT today ridge located from the Grand Banks to
Hudson Bay.
By 3:30 p.m. NDT today departing ridge located over Belle Isle Bank.

Marine Weather Statement

Issued 2:53 AM NDT 12 March 2026 A low pressure system over Southern Quebec will cross the Gulf of St.
Lawrence today and tonight before rapidly deepening as it tracks over
Belle Isle Bank on Friday. Strong to gale force northeasterlies to
southeasterlies are expected north of the low today 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
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, Belle Isle Bank and Funk Island Bank.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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