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West Coast Haida Gwaii - northern half

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PST 06 December 2025

Tonight and Sunday.

Gale warning in effect.

Wind south 40 knots veering to southwest 35 to 45 near noon Sunday then diminishing to southwest 25 to 35 Sunday afternoon. Wind diminishing to southwest 15 to 25 Sunday evening.

Periods of rain. Visibility as low as 1 mile in rain.

Waves

Issued 04:00 PM PST 06 December 2025
Today Tonight and Sunday. Seas 3 to 5 metres building to 4 to 6 Sunday afternoon.

Extended Forecast

Issued 04:00 PM PST 06 December 2025
Monday Wind southwest 35 knots increasing to west 40 to 50 in the afternoon.
Tuesday Wind southwest 25 to 35 knots diminishing to northwest 15 to 25.
Wednesday Wind northwest 25 to 35 knots diminishing to northwest 5 to 15 late in the day.

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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)

Gale warning in effect

West Coast Haida Gwaii - northern half

Issued 9:30 PM PST 06 December 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 6 December 2025 Tonight and Sunday At 9:30 p.m. PST tonight quasi-stationary low located over the
Gulf of Alaska.

At 9:30 p.m. PST tonight trough located over western Bowie.
By 4:00 a.m. PST Sunday trough located from Haida Gwaii to Explorer.

At 10:00 a.m. PST Sunday trough located over Bowie.
By 4:00 p.m. PST Sunday trough located on a line east-west over
Cape St. James.

Marine Weather Statement

Issued 9:29 PM PST 6 December 2025 The first in a series of troughs will move across the offshore waters
this evening. Ahead of the trough, southwesterly gales will continue
over the central and northern waters tonight. These gales will
persist through Monday as additional troughs track across the region.

Pacific - North Coast Area

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Marine Weather for Canada

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