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West Coast Haida Gwaii - northern half

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PST 13 December 2025

Tonight and Sunday.

Storm warning in effect.

Wind southeast 20 to 30 knots becoming south 25 to 35 late overnight then backing to southeast 35 to 45 Sunday morning. Wind becoming southeast 40 to 50 near noon Sunday then diminishing to southerly 25 to 35 Sunday afternoon.

Rain changing to showers Sunday evening. Visibility 1 mile or less in precipitation.

Waves

Issued 04:00 PM PST 13 December 2025
Today Tonight and Sunday. Seas 3 to 5 metres subsiding to 3 late this evening then building to 4 Sunday morning. Seas building to 5 near noon Sunday.

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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land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Storm warning in effect

West Coast Haida Gwaii - northern half

Issued 9:30 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 9:30 PM PST 13 December 2025 Tonight and Sunday At 9:30 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 9:17 PM PST 13 December 2025 A trough will cross Southern Bowie and Northern Explorer tonight,
reaching Hecate Strait early Sunday morning. Gale to storm force
southwesterlies are expected to develop over the offshore
Waters this evening, and then spread across the central and northern
waters overnight.

Another intensifying frontal system will move over Bowie Sunday
morning and reach Haida Gwaii by afternoon. Ahead of the systerm,
gale to storm force southeasterly winds are expected, while gale to
storm force southwesterly winds will develop in its wake.

Pacific - North Coast Area

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