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Hecate Strait - northern half

Forecast

Marine Forecast

Issued 04:00 AM PST 11 December 2023

Today Tonight and Tuesday.

Hurricane force wind warning in effect.

Wind light increasing to south 15 knots this morning and to south 25 early this afternoon. Wind increasing to southeast 35 early this evening and to southeast 45 after midnight. Wind increasing to southeast 45 to 55 Tuesday morning then becoming southeast 50 to 65 Tuesday afternoon.

Rain overnight and Tuesday. Visibility 1 mile or less in rain.

Waves

Issued 04:00 AM PST 11 December 2023
Today Tonight and Tuesday. Seas 1 metre or less building to 1 to 2 late this afternoon and to 2 to 3 after midnight. Seas building to 3 to 4 overnight and to 4 to 6 Tuesday morning and to 6 to 8 Tuesday evening.

Extended Forecast

Issued 04:00 AM PST 11 December 2023
Wednesday Wind southwest 20 to 30 knots.
Thursday Wind south 40 to 50 knots.
Friday Wind south 35 knots diminishing to northwest 15 to 20.

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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Hurricane force wind warning in effect

Hecate Strait - northern half

Issued 04:00 AM PST 11 December 2023

'Hurricane' force winds of 64 knots or above 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.

Synopsis

Technical Marine Synopsis

Issued 4:00 AM PST 11 December 2023 Today Tonight and Tuesday At 4:00 a.m. PST today weakening ridge located over Cape St. James
extending southwestward.
By 4:00 p.m. PST today dissipating ridge located over Explorer
extending southward.

At 4:00 a.m. PST today frontal system located over the Gulf
of Alaska.
By 4:00 a.m. PST Tuesday frontal system located on a line
northeast-southwest over northern Bowie.

At 4:00 a.m. PST Tuesday intensifying low 980 mb located west of
the offshore waters.
By 4:00 p.m. PST Tuesday low 964 mb located northwest of Bowie.

Marine Weather Statement

Issued 3:36 AM PST 11 December 2023 A front northwest of Bowie will stall today bringing southwesterly
gales over Northern Bowie.

A low pressure system will approach the northern waters late today.
Gale to storm force southerlies will develop over most northern
waters this evening and spread to central waters on Tuesday.

Another vigorous system will reach Haida Gwaii late Tuesday,
spreading storm force southerly winds across the northern and central
waters, with hurricane force southerlies over Hecate Strait and
Dixon Entrance. Winds will veer to southwesterly gales behind the
system Tuesday night.

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