Northumberland Strait, Canada Marine Forecast, Warnings and Alerts

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Northumberland Strait

Marine Forecast

Issued 08:00 PM ADT 14 July 2026

Tonight and Wednesday.

Strong wind warning in effect.

Wind southwest 20 to 25 knots diminishing to westerly 15 late overnight then increasing to southwest 20 early Wednesday evening.

Showers tonight and Wednesday morning with a risk of thunderstorms. Showers Wednesday evening with a risk of thunderstorms.

Winds

Issued 08:00 PM ADT 14 July 2026

Tonight and Wednesday. Strong wind warning in effect. Wind southwest 20 to 25 knots diminishing to westerly 15 late overnight then increasing to southwest 20 early Wednesday evening.

Weather & Visibility

Issued 08:00 PM ADT 14 July 2026

Tonight and Wednesday. Showers tonight and Wednesday morning with a risk of thunderstorms. Showers Wednesday evening with a risk of thunderstorms.

Ice Forecasts

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

Warnings (In effect)

Strong wind warning in effect

Northumberland Strait

Issued 8:00 PM ADT 14 July 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 14 July 2026 Tonight and Wednesday At 8:00 p.m. ADT tonight intensifying trough located from Anticosti
Island to the Gulf of Maine.
By 3:30 p.m. ADT Wednesday trough located from Banquereau to
Georges Bank.

Marine Weather Statement

Issued 2:34 AM ADT 15 July 2026 A trough of low pressure from Anticosti to New England will track
across the Maritimes today to lie east of the marine district
overnight. Strong to gale force southerly winds ahead of the trough
will shift to moderate to strong westerlies in its wake.

Marine interests are advised that gale warnings are in effect for
East Scotian Slope - southeastern half, Banquereau, and Laurentian
Fan.

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