Language selection

Weather shortcuts

Cabot Strait

Forecast

Marine Forecast

Issued 03:00 AM ADT 07 September 2026

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind northeast 25 knots backing to northerly 20 early this morning then to northwest 25 this afternoon. Wind diminishing to variable 10 to 15 Tuesday morning then increasing to north 20 Tuesday afternoon.

Scattered showers ending near midnight. Risk of thunderstorms this morning. Scattered showers Tuesday afternoon and evening.

Waves

Issued 05:00 AM ADT 07 September 2026
Today Tonight and Tuesday. Seas 2 to 3 metres subsiding to 1 to 2 near midnight.

Extended Forecast

Issued 03:00 AM ADT 07 September 2026
Wednesday Wind northerly 20 knots diminishing to light in the afternoon.
Thursday Wind southwest 25 knots increasing to southwest 35.
Friday Wind southwest 20 knots veering to northwest 25.

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

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

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 2:30 PM EDT 6 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 7 Sep estimated from Newfoundland near
4930N 5510W to 5500N 5300W to 6000N 5730W to 6130N 5420W to 5900N
4610W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait

Issued 03:00 AM ADT 07 September 2026

'Strong' winds of 20 to 33 knots are 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 7 September 2026 Today Tonight and Tuesday At 3:00 a.m. ADT today low 998 mb located over Banquereau.
By 3:30 p.m. ADT today departing low 999 mb located over
Newfoundland.

At 8:00 p.m. ADT tonight trough located from Newfoundland to the
St. Lawrence River.
By 3:30 p.m. ADT Tuesday trough located from the Avalon Peninsula
to the Bay of Fundy.

Marine Weather Statement

Issued 2:28 AM ADT 7 September 2026 Marine interests are advised that all gale warnings have ended.

Atlantic - Newfoundland Area

Another Region

Features

Colour-coded weather alerts

Learn more about weather alerting in Canada

Improved storm alerts

Learn more about targeted warnings for severe thunderstorms and tornadoes

Date modified: