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Hecate Strait - northern half


Marine Forecast

Issued 04:00 AM PDT 30 March 2023

Today Tonight and Friday.

Gale warning in effect.

Wind northwest 15 to 25 knots diminishing to westerly 5 to 15 late this morning then increasing to south 20 to 30 early this evening. Wind increasing to south 35 near midnight then diminishing to south 20 to 30 Friday morning. Wind diminishing to southwest 15 to 20 near noon Friday.

Scattered showers beginning near noon changing to rain this evening then to showers Friday morning. Fog patches dissipating this morning.


Issued 04:00 AM PDT 30 March 2023
Today Tonight and Friday. Seas 1 metre building to 1 to 2 near midnight and to 2 to 3 late overnight. Seas subsiding to 1 to 2 Friday morning and to 1 Friday afternoon.

Extended Forecast

Issued 04:00 AM PDT 30 March 2023
Saturday Wind southwest 15 to 20 knots backing to southerly 10 to 15 in the morning then becoming variable 5 to 15 late in the day.
Sunday Wind northerly 15 knots increasing to northwest 15 to 25 late in the day.
Monday Wind northwest 15 to 25 knots becoming northwest 10 to 20.

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Weather Conditions

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Ice Conditions

There is no ice forecast issued for this area.


Warnings (In effect)

Gale warning in effect

Hecate Strait - northern half

Issued 04:00 AM PDT 30 March 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.


Technical Marine Synopsis

Issued 4:00 AM PDT 30 March 2023 Today Tonight and Friday At 4:00 a.m. PDT today weakening ridge located on a line
northeast-southwest over Bowie.
By 10:00 a.m. PDT today dissipating ridge located on a line
northeast-southwest over Haida Gwaii.

At 4:00 p.m. PDT today frontal system located over Bowie.
By 4:00 a.m. PDT Friday frontal system located from Haida Gwaii
to Explorer.

At 4:00 p.m. PDT Friday departing frontal system located over
Vancouver Island.

Marine Weather Statement

Issued 3:50 AM PDT 30 March 2023 The ridge of high pressure over Bowie weakens as it moves eastward,
and strong northerly winds over most of the outer waters will
diminish today.

A Pacific frontal system pushes into Bowie this afternoon and slides
southeastward tonight. By Friday morning, the system will lie from
Haida Gwaii to Explorer. Strong to gale force southerly winds are
expected ahead of the system. In its wake, winds shift to strong to
gale force westerly or northwesterly.

The frontal system reaches Vancouver Island Friday afternoon and
generates strong to marginal gale force southeasterly winds in the
Strait of Georgia. As the system departs the South Coast Friday
evening, strong to marginal gale force westerly winds develop in
Its wake in the Juan de Fuca Strait.

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