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West Coast Haida Gwaii - northern half


Marine Forecast

Issued 09:30 PM PST 28 January 2020

Tonight and Wednesday.

Storm warning in effect.

Wind southeast 40 to 50 knots increasing to southeast 50 to 60 late this evening then veering to southwest 40 to 50 late overnight. Wind diminishing to southwest 30 to 40 Wednesday morning and to southwest 20 to 30 Wednesday afternoon. Wind becoming southeast 25 to 35 Wednesday evening.

Rain changing to showers Wednesday morning. Risk of thunderstorms Wednesday morning and afternoon.


Issued 04:00 PM PST 28 January 2020
Today Tonight and Wednesday. Seas 3 metres building to 5 early this evening and to 7 late this evening. Seas building to 7 to 9 late overnight and to 10 Wednesday morning.

Extended Forecast

Issued 04:00 PM PST 28 January 2020
Thursday Wind southerly 40 to 50 knots diminishing to west 35 in the afternoon and to southwest 20 late in the day.
Friday Wind southwest 20 to 30 knots diminishing to westerly 10 to 20 late in the day.
Saturday Wind west 35 knots diminishing to west 20 late in the day.

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Weather Conditions

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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 (In effect)

Storm warning in effect

West Coast Haida Gwaii - northern half

Issued 11:28 PM PST 28 January 2020

'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.


Technical Marine Synopsis

Issued 9:30 PM PST 28 January 2020 Tonight and Wednesday At 9:30 p.m. PST tonight frontal system located east of Bowie.
By 4:00 a.m. PST Wednesday weakening frontal system located on a
line north-south over Cape Scott.

At 4:00 p.m. PST Wednesday frontal system located west of the
offshore waters.
By 4:00 a.m. PST Thursday intensifying frontal system located over
Haida Gwaii extending southwestward.

Marine Weather Statement

Issued 9:24 PM PST 28 January 2020 An intense frontal system will quickly move through the offshore
waters tonight then move through the Central Coast and southern
waters Wednesday morning. Gale to storm force southeasterlies over
the northern and central waters will continue tonight, and a brief
period of hurricane force southeasterlies will develop from Dixon
Entrance East to the waters near the headlands of Vancouver Island.
Gale force southeasterlies over the South Coast are expected
overnight and tomorrow morning as the front moves across the area. In
the wake of the system, winds will veer to gale to storm force
southwesterlies over northern and central waters while the southern
waters will experience far weaker winds ranging from moderate to

Another system will approach the offshore waters late Wednesday
bringing gale to storm force southerlies across the northern waters
Wednesday night into Thursday. As the front nears, there is a
potential for hurricane force southerlies to develop over the Central
Coast Thursday morning.

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