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West Coast Haida Gwaii - southern half

Warnings

Forecast

Marine Forecast

Issued 04:00 PM PST 13 December 2025

Tonight and Sunday.

Storm warning in effect.

Wind southwest 15 to 25 knots backing to southeast 15 to 25 early this evening then increasing to south 25 to 35 near midnight. Wind veering to southwest 35 to 45 late overnight then increasing to south 45 to 60 Sunday afternoon. Wind diminishing to southwest 15 to 25 Sunday evening.

Rain beginning this evening changing to showers Sunday evening. Visibility 1 mile or less in rain.

Waves

Issued 04:00 PM PST 13 December 2025
Today Tonight and Sunday. Seas 3 to 4 metres subsiding to 3 early this evening then building to 3 to 5 after midnight. Seas building to 4 to 6 early Sunday morning and to 6 to 8 Sunday evening.

Extended Forecast

Issued 04:00 PM PST 13 December 2025
Monday Wind southwest 20 to 30 knots increasing to southwest 35 to 45 in the afternoon.
Tuesday Wind southwest 25 to 35 knots diminishing to west 15 to 25.
Wednesday Wind southwest 15 to 25 knots backing to south 30.

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Map of Pacific - North Coast marine weather areas Masset Municipal Airport South Moresby - 46147 Bonilla Island Bella Coola Airport North Hecate Strait - 46183 Bella Bella Airport North Nomad - 46184 Sandspit Airport South Hecate Strait - 46185 Rose Spit Nanakwa Shoal - 46181 Langara Island Kindakun Rocks West Sea Otter - 46204 Cape St.James West Dixon Entrance - 46205 Sartine Island West Moresby - 46208 East Dellwood - 46207 Middle Nomad - 46004 South Nomad - 46036 Cathedral Point Prince Rupert Airport Lucy Islands Lightstation Holland Rock Dixon Entrance Central - 46145 Grey Islet Cumshewa Island
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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Storm warning in effect

West Coast Haida Gwaii - southern half

Issued 4:00 PM PST 13 December 2025

'Storm' force winds of 48 to 63 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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 4:00 PM PST 13 December 2025 Tonight and Sunday At 4:00 p.m. PST today weakening frontal system located from the
Central Coast to Explorer.

At 7:00 p.m. PST tonight trough located west of Explorer.
By 7:00 a.m. PST Sunday departing trough located over Hecate Strait.

At 7:00 a.m. PST Sunday frontal system located west of Bowie.
By 4:00 p.m. PST Sunday intensifying frontal system located from
Haida Gwaii to Explorer.

Marine Weather Statement

Issued 3:58 PM PST 13 December 2025 A weakening frontal system will stall over the Central Coast this
evening. Southerly gales are expected over the central waters and the
northern portion of the inner South Coast this evening.

A trough will cross Southern Bowie and Northern Explorer this
evening, reaching Hecate Strait early Sunday morning. Gale to locally
storm force southwesterlies are expected to develop over the offshore
waters this evening, then spread across the central and northern
waters overnight.

Another frontal system will move over Bowie Sunday morning and reach
Haida Gwaii by afternoon, spreading gale to locally storm force
southeasterly winds. This front will then intensify from Explorer
Sunday afternoon, with winds ahead of the front increasing to storm
force, possibly reaching hurricane force over Hecate Strait Sunday
evening.

Pacific - North Coast Area

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Marine Weather for Canada

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