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Gulf - Port au Port

Warnings

Forecast

Marine Forecast

Issued 08:00 PM NDT 11 March 2025

Tonight and Wednesday.

Gale warning in effect.

Wind southwest 10 to 15 knots increasing to south 25 late this evening and to south 35 after midnight. Wind veering to west 35 near noon Wednesday then diminishing to west 25 Wednesday evening.

Flurries or showers overnight and Wednesday morning.

Freezing spray warning in effect.

Over open water freezing spray beginning Wednesday afternoon.

Temperatures minus 4 rising to plus 1 Wednesday morning then falling to minus 8 to minus 4 Wednesday afternoon.

Waves

Issued 06:00 PM NDT 11 March 2025
Tonight and Wednesday. Outside the ice edge seas 1 metre or less building to 1 to 2 this evening and to 2 to 3 late overnight. Seas building to 3 to 4 Wednesday morning.

Extended Forecast

Issued 03:30 PM NDT 11 March 2025
Thursday Wind northwest 15 to 20 knots diminishing to variable 10 to 15 in the morning.
Friday Wind southwest 10 to 15 knots increasing to southwest 25.
Saturday Wind light.

Ice Forecast

Issued 10:00 AM EDT 11 March 2025 Today Tonight and Wednesday Open water except 9 tenths new ice including a trace of first-year ice near Quebec coast. Consolidated first-year ice along parts of the Quebec coast. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 10:00 AM EDT 11 March 2025 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from New Brunswick near 4523N 6527W to
4511N 6517W to 4409N 6639W to Nova Scotia near 4417N 6608W. Sea ice
northeast of the ice edge.

Second ice edge estimated from Nova Scotia near 4519N 6058W to 4547N
5829W to 4720N 5632W to Newfoundland near 4706N 5547W. Sea ice north
of the ice edge.

Ice Coverage

Open water except 9 tenths new ice including a trace of first-year
ice near Quebec coast. Consolidated first-year ice along parts of
the Quebec coast.

 

Iceberg Bulletin

Issued 2:41 PM EDT 11 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 12 Mar estimated from Newfoundland near
4700N 5315W to 4825N 4710W to 5025N 4505W to 5335N 4745W to 5900N
5620W to 6020N 5530W then eastwards.

Western iceberg limit at 0000 UTC 12 Mar estimated from Quebec near
5030N 6015W to Newfoundland near 4850N 5755W.

Iceberg Count

No confirmed icebergs except less than 10 icebergs east of the
western iceberg limit.
Warnings

Warnings (In effect)

Gale warning in effect

Gulf - Port au Port

Issued 8:00 PM NDT 11 March 2025

'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 8:00 PM NDT 11 March 2025

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 8:00 PM NDT 11 March 2025 Tonight and Wednesday At 8:00 p.m. NDT tonight quasi-stationary trough located northeast
of the Marine District.

At 8:00 p.m. NDT tonight trough located over the Gaspe Peninsula.
By 8:00 p.m. NDT Wednesday low 993 mb located over southern
Labrador Coast.

At 8:00 p.m. NDT tonight ridge located on a line north-south over
the Gulf of St. Lawrence.
By 8:00 p.m. NDT Wednesday departing ridge located east of the
Grand Banks.

Marine Weather Statement

Issued 7:50 PM NDT 11 March 2025 A trough of low pressure northeast of the marine district will remain
nearly stationary tonight before weakening on Wednesday. Meanwhile, a
ridge of high pressure over the Gulf of St. Lawrence will continue to
track east across the marine district. Gale force northwesterlies
over Belle Isle Bank between these two features will diminish on
Wednesday as the trough weakens.

A second trough over the Gaspé Peninsula this evening will strengthen
into a low and cross Southeastern Labrador on Wednesday. Strong to
gale force southerlies to westerlies will develop over Gulf waters on
Wednesday to the south of the low.

Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle - western half, Gulf waters, and Belle Isle
Bank.

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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