West Coast Haida Gwaii - northern half

Forecast

Marine Forecast

Issued 10:30 AM PST 23 November 2017

Today Tonight and Friday.

Gale warning in effect.

Wind westerly 15 to 20 knots backing to southwest 15 to 25 this afternoon then increasing to south 30 to 40 early this evening. Wind diminishing to southwest 20 to 30 late this evening then increasing to south 30 to 40 near noon Friday.

A few showers changing to rain this afternoon and ending near midnight.

Waves

Issued 04:00 AM PST 23 November 2017
Today Tonight and Friday. Seas 2 to 3 metres building to 4 Friday afternoon and to 4 to 6 Friday evening.

Extended Forecast

Issued 04:00 AM PST 23 November 2017
Saturday Wind southwest 20 to 30 knots diminishing to variable 5 to 15 in the morning.
Sunday Wind north 10 to 20 knots backing to northwest 15 to 25.
Monday Wind southwest 15 knots increasing to southerly 20 to 30.

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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 PST 23 November 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 PST 23 November 2017 Today Tonight and Friday At 10:30 a.m. PST today trough located off Vancouver Island.
By 8:00 p.m. PST tonight dissipating trough located over the
southern Mainland Coast.

At 1:00 p.m. PST today frontal system located west of Bowie.
By 4:00 p.m. PST Friday weakening frontal system located over
central Vancouver Island.

At 7:00 a.m. PST Friday intensifying frontal system located over
western Bowie.
By 4:00 p.m. PST Friday frontal system located over northern Bowie.

Marine Weather Statement

Issued 10:24 AM PST 23 November 2017 An approaching frontal system will move across the northern offshore
waters tonight and then weaken as it approaches Northern Vancouver
Island Friday morning. Ahead of the front, southerly gales will
develop over Bowie this afternoon. The gales will then spread to
northern and central waters tonight and to some southern waters on
Friday.

Another frontal system will develop west of Bowie Friday morning.
Ahead of this front southwest gales will develop over Bowie as the
low moves north.

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