Language selection

Weather shortcuts

Northumberland Strait

Forecast

Marine Forecast

Issued 08:00 PM ADT 21 April 2026

Tonight and Wednesday.

Wind light becoming southeast 10 to 15 knots Wednesday afternoon.

Temperatures near minus 2.

Extended Forecast

Issued 03:30 PM ADT 21 April 2026
Thursday Wind light.
Friday Wind light increasing to northerly 20 knots.
Saturday Wind northerly 20 knots.

Ice Forecast

Issued 10:00 AM EDT 21 April 2026 Today Tonight and Wednesday Open water. 

[ Canadian Ice Service ]

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

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

Issued 10:00 AM EDT 21 April 2026 Today Tonight and Wednesday

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
6558W to 4841N 6158W to 4957N 6006W to 4935N 5822W to 4836N 5937W to
Newfoundland near 4806N 5905W. Sea ice north of the ice edge.

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 21 April 2026 Tonight and Wednesday At 8:00 p.m. ADT tonight ridge located from Labrador to the Gulf
of Maine.
By 3:30 p.m. ADT Wednesday quasi-stationary ridge located from
Labrador to Browns Bank.

At 8:00 p.m. ADT tonight low 1004 mb located south of Laurentian
Fan.
By 3:30 p.m. ADT Wednesday low 1001 mb located near the Avalon
Peninsula.

Marine Weather Statement

Issued 7:32 PM ADT 21 April 2026 A low pressure system south of Laurentian Fan this evening will move
northeast tonight to lie near the Avalon Peninsula by Wednesday
afternoon. Strong to gale force northerly winds will develop on the
western side of the low tonight.

Marine interests are advised that a gale warning is in effect for
Laurentian Fan - southeastern half.

Atlantic - Newfoundland Area

Another Region

Features

Colour-coded weather alerts

Learn more about weather alerting in Canada

Date modified: