West Coast Haida Gwaii

Forecast

Marine Forecast

Issued 10:30 AM PDT 16 August 2017

Today Tonight and Thursday.

Gale warning in effect.

Wind southwest 15 to 20 knots diminishing to southwest 5 to 15 this afternoon then backing to south 15 to 20 late overnight. Wind increasing to south 25 to 35 Thursday morning then becoming southwest 25 Thursday afternoon.

Chance of showers changing to rain Thursday morning.

Waves

Issued 04:00 AM PDT 16 August 2017
Today Tonight and Thursday. Seas 3 metres subsiding to 2 late this evening then building to 2 to 3 Thursday morning.

Extended Forecast

Issued 04:00 AM PDT 16 August 2017
Friday Wind southwest 20 to 30 knots diminishing to west 15 to 20 late in the day.
Saturday Wind southwest 10 to 15 knots increasing to southwest 15 to 25 late in the day.
Sunday Wind southwest 15 to 25 knots increasing to southeast 25 to 35.

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Map of Mackenzie - Mackenzie River marine weather areas Great Slave Lake - 45141 Great Slave Lake North Arm - 45150 Herschel Island Komakuk Beach Shingle Point Airport Aklavik Airport Cape Parry Airport Fort Good Hope Airport Tulita Airport Fort Providence Fort Reliance Fort Resolution Airport Fort Simpson Airport Hay River/Merlyn Carter Airport Inner Whaleback Rocks Inuvik Airport Keats Point Norman Wells Airport Paulatuk Airport Pelly Island Tuktoyaktuk Airport Wrigley Airport Yellowknife Airport Kugluktuk Airport Hat Island Cambridge Bay Airport Cape Peel West Stefansson Island Ulukhaktok Airport Sachs Harbour Airport Thomsen River Egg Island Fort Chipewyan Airport Stony Rapids Airport Liverpool Bay Little Chicago Lutselke Airport Storm Hills Croker River Prairie River Uranium City Cape Providence Tuktoyaktuk Bathurst Inlet Gateshead Island
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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

West Coast Haida Gwaii

Issued 10:30 AM PDT 16 August 2017

'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 16 August 2017 Today Tonight and Thursday At 10:30 a.m. PDT today quasi-stationary ridge located on a line
northeast-southwest over northwestern Vancouver Island.

At 10:30 a.m. PDT today departing low 1004 mb located over the
northern Alaska panhandle.

At 2:00 p.m. PDT Thursday frontal system located on a line
northeast-southwest over northern Haida Gwaii.
By 11:00 p.m. PDT Thursday weakening frontal system located on a
line northeast-southwest over Queen Charlotte Sound.

Marine Weather Statement

Issued 10:28 AM PDT 16 August 2017 A ridge of high pressure will remain over Vancouver Island today
while a dissipating 1004 millibar low moves into the Northern Alaska
Panhandle. On Thursday, a frontal system will reach Bowie in the
morning and the North Coast near mid-day.

Light to moderate variable winds will prevail for most of the South
Coast today and Thursday. Moderate to strong westerlies through Juan
de Fuca Strait will reach gale force tonight.

Over the North Coast, strong southwesterlies will gradually ease
today as the low moves off. Gale force southeast winds will develop
ahead of the next frontal system and shift to strong west or
southwesterly in its wake.

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