Cabot Strait - southern half Marine Forecast and Alerts

Canada

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Canada Conditions

Canada 7 Day High and Low Temperatures Forecast

Lightning Strikes Radar

Cabot Strait - southern half

Marine Forecast

Issued 08:00 PM ADT 19 August 2026

Tonight and Thursday.

Strong wind warning in effect.

Wind southerly 20 knots diminishing to southwest 10 to 15 late overnight and to light Thursday morning. Wind becoming southerly 10 to 15 Thursday afternoon.

Showers ending overnight. Fog patches dissipating Thursday morning.

Winds

Issued 08:00 PM ADT 19 August 2026

Tonight and Thursday. Strong wind warning in effect. Wind southerly 20 knots diminishing to southwest 10 to 15 late overnight and to light Thursday morning. Wind becoming southerly 10 to 15 Thursday afternoon.

Waves

Issued 05:00 PM ADT 19 August 2026

Tonight and Thursday. Seas 2 to 3 metres subsiding to 1 to 2 near midnight and to 1 or less Thursday evening.

Weather & Visibility

Issued 08:00 PM ADT 19 August 2026

Tonight and Thursday. Showers ending overnight. Fog patches dissipating Thursday morning.

Ice Forecasts

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

Iceberg Bulletin

Issued 2:30 PM EDT 19 August 2026

Iceberg Limit

Iceberg limit at 0000 UTC 20 Aug estimated from Newfoundland near
4915N 5330W to 4940N 5320W to 5030N 5330W to 6000N 5600W to 6020N
5200W then eastward.

Iceberg Count

No confirmed icebergs.

Warnings (In effect)

Strong wind warning in effect

Cabot Strait - southern half

Issued 8:00 PM ADT 19 August 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.

Technical Marine Synopsis

Issued 8:00 PM ADT 19 August 2026 Tonight and Thursday At 8:00 p.m. ADT tonight trough located from the Gulf of
St. Lawrence to East Scotian Slope.
By 3:00 a.m. ADT Thursday departing trough located from Newfoundland
to Laurentian Fan.

At 8:00 p.m. ADT Thursday approaching ridge located over the
Great Lakes.

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