Johnstone Strait

Forecast

Marine Forecast

Issued 10:30 AM PDT 01 July 2015

Today Tonight and Thursday

Gale warning in effect.

Wind northwest 20 to 30 knots increasing to northwest 30 to 40 late this afternoon then diminishing to northwest 20 to 30 early Thursday morning. Wind increasing to northwest 35 to 45 Thursday afternoon.

Extended Forecast

Issued 04:00 AM PDT 01 July 2015
Friday Wind northwest 35 to 45 knots.
Saturday Wind northwest 35 to 45 knots.
Sunday Wind northwest 15 to 25 knots.

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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

Johnstone Strait

Issued 10:30 AM PDT 01 July 2015

'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 1 July 2015 Today Tonight and Thursday At 10:30 a.m. PDT today ridge located on a line north-south over
Langara.
By 2:00 a.m. PDT Thursday ridge located on a line
northeast-southwest over western Queen Charlotte Sound.

At 5:00 p.m. PDT today weakening cold front located over western
Bowie.
By 8:00 a.m. PDT Thursday dissipating cold front located on a line
northeast-southwest over Haida Gwaii.

Marine Weather Statement

Issued 10:30 AM PDT 1 July 2015 A ridge of high pressure just off Haida Gwaii this morning will drift
slowly eastward to lie in a northeast to southwest line over Queen
Charlotte Sound tonight. A weakening cold front will reach Bowie this
afternoon and will dissipate as it crosses Haida Gwaii on Thursday
morning. The ridge will then rebuild over Bowie later in the day
Thursday.

Widespread strong northwest winds will continue over most southern
and central waters today and Thursday. Winds will reach gale force
west of Vancouver Island and through Johnstone Strait. The
approaching front will bring gale force southerlies over the western
portions of Bowie this afternoon.

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