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West Coast Haida Gwaii - northern half

Forecast

Marine Forecast

Issued 10:30 AM PDT 25 September 2023

Today Tonight and Tuesday.

Gale warning in effect.

Wind southeast 30 to 40 knots becoming southeast 35 to 45 early this evening then diminishing to northwest 25 to 35 Tuesday evening.

Periods of rain. Risk of thunderstorms today and early this evening.

Waves

Issued 04:00 AM PDT 25 September 2023
Today Tonight and Tuesday. Seas 4 to 6 metres building to 5 to 7 this morning then subsiding to 4 to 6 near midnight. Seas subsiding to 3 to 5 Tuesday morning.

Extended Forecast

Issued 04:00 AM PDT 25 September 2023
Wednesday Wind westerly 25 to 35 knots diminishing to westerly 15 to 25 in the morning.
Thursday Wind northwest 10 to 20 knots.
Friday Wind northwest 10 to 20 knots.

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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 - northern half

Issued 10:30 AM PDT 25 September 2023

'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 25 September 2023 Today Tonight and Tuesday At 10:30 a.m. PDT today frontal system located from the South
Coast to the Central Coast.
By 4:00 p.m. PDT today departing frontal system located over
BC interior.

At 10:30 a.m. PDT today low 968 mb located west of Explorer.
By 9:30 p.m. PDT tonight low 972 mb located over southern Bowie.

At 4:00 a.m. PDT Tuesday low 976 mb located over northern Bowie.
By 11:00 p.m. PDT Tuesday low 992 mb located over northeastern
Bowie.

Marine Weather Statement

Issued 10:20 AM PDT 25 September 2023 In the wake of the frontal system moving into Interior British
Columbia, another intense low will move into the offshore waters
today bringing widespread gale to storm force southeast winds.
Near the headlands of Northwest Vancouver island, storm to hurricane
force southeast winds will develop this afternoon and persist until
late this evening.

Significant wave height up to 10 metres is expected for the
northwestern half of Explorer this morning.

On Tuesday, the low over Bowie continues to generate strong to gale
force winds over most of the marine regions. As the low moves north
and weakens, gale force winds will be limited to the northern waters
by Tuesday evening.

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