West Coast Haida Gwaii - northern half

Forecast

Marine Forecast

Issued 10:30 AM PDT 25 May 2018

Today Tonight and Saturday.

Gale warning in effect.

Wind easterly 15 to 20 knots becoming west 10 to 20 late this morning then increasing to southeast 20 to 30 late this evening. Wind increasing to southeast 30 to 40 late overnight then diminishing to southwesterly 20 to 30 Saturday afternoon.

A few showers changing to rain after midnight.

Waves

Issued 04:00 AM PDT 25 May 2018
Today Tonight and Saturday. Seas 2 to 3 metres subsiding to 2 early this morning then building to 3 Saturday afternoon.

Extended Forecast

Issued 04:00 AM PDT 25 May 2018
Sunday Wind south 20 to 30 knots.
Monday Wind west 20 to 25 knots.
Tuesday Wind west 20 knots.

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Map of Pacific - North Coast marine weather areas Middle Nomad - 46004 South Nomad - 46036 Dixon Entrance Central - 46145 South Moresby - 46147 Nanakwa Shoal - 46181 North Hecate Strait - 46183 North Nomad - 46184 South Hecate Strait - 46185 West Sea Otter - 46204 West Dixon Entrance - 46205 East Dellwood - 46207 West Moresby - 46208 Sartine Island Cape St.James Kindakun Rocks Langara Island Masset Municipal Airport Rose Spit Sandspit Airport Bella Bella Airport Bella Coola Airport Bonilla Island Cathedral Point Cumshewa Island Grey Islet Holland Rock Lucy Islands Lightstation Prince Rupert Airport
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 10:30 AM PDT 25 May 2018

'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 10:30 AM PDT 25 May 2018 Today Tonight and Saturday At 10:30 a.m. PDT today trough located over Hecate Strait.
By 5:00 p.m. PDT today weakening trough located over the North
Coast.

At 10:30 a.m. PDT today building ridge located west of the offshore
waters.
By 5:00 p.m. PDT Saturday ridge located over northern Vancouver
Island.

At 8:00 p.m. PDT tonight building trough located west of Bowie.
By 5:00 p.m. PDT Saturday departing trough located over Hecate
Strait.

Marine Weather Statement

Issued 10:23 AM PDT 25 May 2018 A ridge of high pressure over the offshore waters will produce near
gale force inflow winds through Juan de Fuca Strait this afternoon.
These gale force winds are expected to subside overnight tonight.

As the ridge of high pressure moves east and ends up over Vancouver
Island, this will allow a frontal system to come into the offshore
waters tonight. Ahead of the front, southeast gales will develop.

The frontal system will slowly make its way east, spreading
Southeast gales to central and northern waters by Saturday
Afternoon. In behind the trough, southwest gales are expected over
Northern Bowie Saturday afternoon.

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