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Gulf - Port au Port

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 21 April 2026

Today Tonight and Wednesday.

Wind northwest 15 to 20 knots diminishing to northwest 10 to 15 this morning then veering to north 15 to 20 overnight. Wind backing to northwest 10 to 15 Wednesday evening.

Temperatures minus 5 to minus 1.

Waves

Issued 06:00 PM NDT 20 April 2026
Tonight and Tuesday. Seas 2 to 3 metres subsiding to 1 to 2 Tuesday morning and to 1 or less Tuesday evening.

Extended Forecast

Issued 03:00 AM NDT 21 April 2026
Thursday Wind northwest 15 knots diminishing to light late in the day.
Friday Wind variable 10 to 15 knots increasing to northeast 25.
Saturday Wind north 25 to 35 knots.

Ice Forecast

Issued 10:00 AM EDT 20 April 2026 Today Tonight and Tuesday Open water. Consolidated rotten first-year ice along parts of the coasts. 

[ Canadian Ice Service ]

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Weather Conditions

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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 20 April 2026 Today Tonight and Tuesday

Ice Edge

First ice edge estimated from Cape Breton Island near 4702N 6025W to
4745N 6115W to Gaspe Peninsula near 4846N 6410W. Sea ice southwest
of the ice edge.

Second ice edge estimated from Quebec near 4920N 6722W to 5005N
6600W to 4945N 6015W to Newfoundland near 4806N 5905W. Sea ice north
of the ice edge.

Ice Coverage

Open water. Consolidated rotten first-year ice along parts of the
coasts.

 

Iceberg Bulletin

Issued 2:30 PM EDT 20 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 21 Apr estimated from Newfoundland near
4655N 5400W to 4415N 5210W to 4340N 4630W to 4630N 4415W to 5000N
4425W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5830N 5000W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NDT 21 April 2026 Today Tonight and Wednesday At 3:00 a.m. NDT today trough located on a line north-south over
the East Coast of Newfoundland.
By 3:00 a.m. NDT Wednesday trough located on a line north-south
over the Grand Banks.

Marine Weather Statement

Issued 2:53 AM NDT 21 April 2026 A trough of low pressure will remain nearly stationary just east of
Newfoundland throughout the forecast period. The trough is expected
to intensify overnight tonight into Wednesday. As a result, strong to
gale force northerlies will develop just west of the trough tonight
and Wednesday.

Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle - eastern half and Southwestern Grand Banks.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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