Hecate Strait - northern half

Forecast

Marine Forecast

Issued 04:00 AM PDT 26 April 2017

Today Tonight and Thursday

Gale warning in effect.

Wind southeast 25 to 35 knots increasing to southeast 35 to 40 this morning then diminishing to southwest 15 to 25 this afternoon. Wind diminishing to southwest 5 to 15 after midnight then veering to northwest 5 to 15 Thursday evening.

Periods of rain ending this evening. Chance of showers Thursday.

Waves

Issued 04:00 AM PDT 26 April 2017
Today Tonight and Thursday Seas 3 to 4 metres subsiding to 2 this afternoon and to 1 near midnight.

Extended Forecast

Issued 04:00 AM PDT 26 April 2017
Friday Wind northwest 10 to 15 knots diminishing to light in the afternoon.
Saturday Wind southeast 15 to 25 knots increasing to southeast 35 to 45.
Sunday Wind southwest 30 knots diminishing to southwest 15 to 20 late in the day.

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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 PDT 26 April 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 4:00 AM PDT 26 April 2017 Today Tonight and Thursday At 4:00 a.m. PDT today departing frontal system located over the
Mainland Coast.

At 4:00 a.m. PDT today low 989 mb located 60 miles southwest
of Langara.
By 5:00 p.m. PDT today departing low 998 mb located off the Alaska
panhandle.

At 5:00 p.m. PDT Thursday building ridge located over the offshore
waters.

Marine Weather Statement

Issued 3:59 AM PDT 26 April 2017 A 990 millibar low off Langara this morning will move slowly
northward to lie off the Alaska Panhandle this afternoon.

As the low crosses Dixon Entrance today, gale force south or
southeast winds will affect Hecate Strait and parts of Dixon
Entrance. A large area of gale force westerlies will follow the low
off the west coast of Haida Gwaii. Winds will ease below gale
Force this evening as the low continues to weaken and pull
Northward.

On Thursday, a ridge of high pressure will build over the offshore
waters and will cause winds to veer to moderate to strong northwest
over the South Coast while winds remain mostly light to moderate
elsewhere.

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