Halifax Harbour and Approaches, Canada Marine Forecast, Warnings and Alerts

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Halifax Harbour and Approaches

Marine Forecast

Issued 03:00 AM ADT 04 October 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind light increasing to southeast 15 knots late this afternoon and to southeast 20 to 25 near midnight. Wind diminishing to south 15 near noon Monday then increasing to southwest 20 Monday evening.

Rain overnight and Monday morning. Visibility 1 mile or less in rain.

Temperatures plus 12 rising to plus 17 Monday afternoon.

Winds

Issued 03:00 AM ADT 04 October 2026

Today Tonight and Monday. Strong wind warning in effect. Wind light increasing to southeast 15 knots late this afternoon and to southeast 20 to 25 near midnight. Wind diminishing to south 15 near noon Monday then increasing to southwest 20 Monday evening.

Weather & Visibility

Issued 03:00 AM ADT 04 October 2026

Today Tonight and Monday. Rain overnight and Monday morning. Visibility 1 mile or less in rain.

Air temperature

Issued 03:00 AM ADT 04 October 2026

Today Tonight and Monday. Temperatures plus 12 rising to plus 17 Monday afternoon.

Ice Forecasts

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

Warnings (In effect)

Strong wind warning in effect

Halifax Harbour and Approaches

Issued 03:00 AM ADT 04 October 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 3:00 AM ADT 4 October 2026 Today Tonight and Monday At 3:00 a.m. ADT today ridge located over New England.
By 8:00 p.m. ADT tonight departing ridge located over the eastern
Marine District.

At 3:00 a.m. ADT Monday low located near Georges Bank.
By 8:00 p.m. ADT Monday low located over eastern Nova Scotia.

Marine Weather Statement

Issued 2:49 AM ADT 4 October 2026 A low pressure system will approach from the southwest on Monday and
intensify as it approaches northeastern waters late in the day.
Strong to gale force southeasterlies are expected ahead of this
system.

Marine interests are advised that gale warnings are in effect for
Fourchu, Banquereau, Cabot Strait, Gulf-Magdalen - northeastern half,
and Anticosti - eastern half.

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