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Cabot Strait

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 04 September 2026

Today Tonight and Saturday.

Gale warning in effect.

Wind southerly 20 knots backing to southeasterly 25 near noon then to east 30 this evening. Wind increasing to northeast 35 early Saturday morning.

Periods of rain. Risk of thunderstorms late this afternoon and tonight. Visibility 1 mile or less in rain.

Waves

Issued 05:00 AM ADT 04 September 2026
Today Tonight and Saturday. Seas 1 to 2 metres building to 2 to 3 this evening and to 3 to 5 late overnight.

Extended Forecast

Issued 03:00 AM ADT 04 September 2026
Sunday Wind northeast 35 knots.
Monday Wind northeast 25 knots backing to northwest 25 late in the day.
Tuesday Wind northwest 25 knots.

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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
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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 3 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 4 Sep estimated from Newfoundland near
4910N 5455W to 5400N 5345W to 6000N 5600W to 6130N 5420W to 5925N
4550W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Cabot Strait

Issued 10:00 AM ADT 04 September 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.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 4 September 2026 Today Tonight and Saturday At 10:00 a.m. ADT today low 1007 mb located over western Nova
Scotia.
By 3:00 a.m. ADT Saturday intensifying low 998 mb located over
Eastern Shore.

At 8:00 p.m. ADT Saturday quasi-stationary low 996 mb located over
southern Banquereau.

Marine Weather Statement

Issued 9:22 AM ADT 4 September 2026 A low pressure system over the Gulf of Maine will intensify and move
slowly eastward today and tonight to lie over eastern shore overnight
tonight. The low will then stall over Southern Banquereau Saturday
evening.

Winds will increase to strong to gale force easterlies or
northeasterlies over northern and eastern marine areas. Over western
waters, winds will increase to strong northerlies on Saturday in the
wake of the low.

Marine interests are advised that gale warnings are in effect for
eastern shore, Sable, East Scotian Slope - western half, Fourchu,
Banquereau, Cabot Strait, Northumberland Strait and Gulf-Magdalen.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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