West Coast Haida Gwaii - southern half

Forecast

Marine Forecast

Issued 10:30 AM PDT 31 March 2015

Today Tonight and Wednesday

Wind southwest 15 to 25 knots veering to northwest 20 to 30 near midnight then diminishing to southwest 10 to 20 near noon Wednesday. Wind backing to south 25 Wednesday evening.

Showers with a risk of thunderstorms.

Waves

Issued 04:00 AM PDT 31 March 2015
Today Tonight and Wednesday Seas 3 to 4 metres subsiding to 3 this morning.

Extended Forecast

Issued 04:00 AM PDT 31 March 2015
Thursday Wind south 30 to 40 knots diminishing to southwest 15 to 25 in the morning.
Friday Wind southerly 15 to 25 knots.
Saturday Wind easterly 10 to 20 knots.

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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 Cathedral Point Cumshewa Island Grey Islet Holland Rock Lucy Islands Lightstation Prince Rupert Airport Bonilla Island
Ice Conditions

There is no ice forecast issued for this area.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM PDT 31 March 2015 Today Tonight and Wednesday At 10:30 a.m. PDT today low 998 mb located 300 miles southwest of
the Alaska panhandle.
By 5:00 a.m. PDT Wednesday weakening low 1012 mb located over the
northern Alaska panhandle.

At 10:30 a.m. PDT today trough located on a line north-south
over Bowie.
By 8:00 p.m. PDT tonight departing trough located over the North
Coast.

At 8:00 a.m. PDT Wednesday building ridge located on a line
north-south over Bowie.
By 8:00 p.m. PDT Wednesday ridge located over Cape Scott.

Marine Weather Statement

Issued 10:16 AM PDT 31 March 2015 Moderate to strong westerlies will prevail over the South Coast
today. Marginal westerly gales are expected this afternoon through
Juan de Fuca Strait. A weak trough of low pressure will move through
the North Coast today bringing strong southerlies ahead of it and
strong westerlies in behind. Westerly gales are expected over the far
north tonight as a low pressure centre heads towards the Alaska
Panhandle.

On Wednesday, winds will ease over most areas as a ridge of high
pressure builds along the coast. Strong to gale force southerlies
will develop over the northern offshore waters by Wednesday afternoon
as the next trough approaches.

Pacific - North Coast Area

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