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Hecate Strait - northern half

Forecast

Marine Forecast

Issued 04:00 AM PST 23 November 2020

Today Tonight and Tuesday.

Gale warning in effect.

Wind variable 5 to 15 knots increasing to southeast 15 to 20 early this morning and to southeast 20 to 30 late this morning. Wind increasing to southeast 35 to 45 near noon then veering to southwest 25 to 35 early this evening. Wind becoming southwest 30 near midnight then becoming northwest 25 to 35 Tuesday evening.

Periods of rain.

Waves

Issued 04:00 AM PST 23 November 2020
Today Tonight and Tuesday. Seas 1 to 2 metres building to 3 this afternoon then subsiding to 1 to 2 this evening.

Extended Forecast

Issued 04:00 AM PST 23 November 2020
Wednesday Wind northwest 25 to 35 knots diminishing to northwest 15 to 25 in the afternoon then becoming south 15 to 25 late in the day.
Thursday Wind south 15 to 25 knots increasing to south 35 to 45 late in the day.
Friday Wind south 40 to 50 knots diminishing to northwest 30 to 40.

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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 - northern half

Issued 04:00 AM PST 23 November 2020

'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 4:00 AM PST 23 November 2020 Today Tonight and Tuesday At 4:00 a.m. PST today warm front located over western Bowie.
By 4:00 p.m. PST today warm front located over Hecate Strait.

At 4:00 p.m. PST today cold front located over Langara extending
southwestward.
By 4:00 a.m. PST Tuesday cold front located on a line
northeast-southwest over northern Vancouver Island.

At 4:00 p.m. PST today low 962 mb located over the Gulf of Alaska.
By 4:00 a.m. PST Tuesday low 975 mb located off the Alaska
panhandle.

Marine Weather Statement

Issued 3:45 AM PST 23 November 2020 A warm front will move across Northern Bowie this morning then onto
the North Coast in the evening. Gale to local storm force southeast
winds ahead of the front will shift to gale to storm force
southwesterlies in its wake.

The trailing cold front will move onto Northern Vancouver Island
extending southwestward early Tuesday morning then cross Vancouver
Island during the day. Ahead of the cold front, gale force southeast
winds will develop over the South Coast on Tuesday.

A 960 millibar deep low over the Gulf of Alaska will move to just off
Northern Alaska Panhandle overnight. The low will move southwards on
Tuesday while weakening. This low will generate storm force westerly
winds and very high seas to BC waters tonight and Tuesday. Seas will
build to 10 to 13 metres over Bowie this evening then spread to west
coast Haida Gwaii and Dixon Entrance West overnight. Seas will build
to 8 to 10 metres over central waters on Tuesday and to 6 to 8 metres
over west coast Vancouver Island on Wednesday.

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