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Hecate Strait - southern half

Forecast

Marine Forecast

Issued 09:30 PM PST 07 December 2025

Tonight and Monday.

Gale warning in effect.

Wind southwest 25 to 35 knots increasing to southwest 40 late Monday morning.

Rain changing to showers Monday afternoon.

Waves

Issued 04:00 PM PST 07 December 2025
Today Tonight and Monday. Seas 3 to 4 metres building to 3 to 5 early Monday morning.

Extended Forecast

Issued 04:00 PM PST 07 December 2025
Tuesday Wind southwest 25 to 35 knots diminishing to southwest 15 to 25 in the morning then increasing to southwest 25 to 35 late in the day.
Wednesday Wind northwest 25 to 35 knots diminishing to northwest 5 to 15 late in the day.
Thursday Wind southeast 15 to 25 knots increasing to southeast 25 to 35.

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Weather Conditions

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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)

Gale warning in effect

Hecate Strait - southern half

Issued 9:30 PM PST 07 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 7 December 2025 Tonight and Monday At 7:00 a.m. PST Monday low 976 mb located west of Bowie.
By 7:00 p.m. PST Monday departing low 982 mb located over the
southern Alaska panhandle.

Marine Weather Statement

Issued 9:09 PM PST 7 December 2025 Remnants of a trough over the northern and central waters will
continue to give southwesterly gales tonight.

A frontal system moving through on Monday will bring storm force
westerlies across Bowie and the northern waters. Hurricane force
gusts are possible with this system, especially over Bowie and west
coast Haida Gwaii northern sections. Southwesterly gales will develop
across Explorer and the southern waters on Monday with this frontal
system, spreading into Juan de Fuca Strait late Monday. Over the
Strait of Georgia southeasterly gales are expected Monday afternoon.

Pacific - North Coast Area

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