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Small Craft Advisory issued October 27 at 1:48PM PDT until October 28 at 11:00AM PDT by NWS Portland OR

Columbia River Bar Источник: NOAA / NWS

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* WHAT...Rough bar conditions expected. Seas 7 to 10 ft at 11
seconds and west winds 15 to 25 kt with gusts up to 30 kt
expected.

* WHERE...In the Main Channel of the Columbia River Bar.

* WHEN...Until 11 AM PDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft,
especially when operating near to, or attempting to cross, the
Columbia River Bar.

* ADDITIONAL DETAILS...Very strong ebb current of 6.98 kt at 601
PM Tuesday. Seas 9 ft. Ebb current of 3.8 kt at 632 AM
Wednesday. Seas 7 ft. Very strong ebb current of 6.88 kt at 644
PM Wednesday. Seas 10 ft.

Рекомендации

A Small Craft Advisory means that wave conditions are expected to
be hazardous to small craft in the vicinity of the Columbia River
Bar. Mariners are advised to obtain the latest bar conditions
from the United States Coast Guard before attempting to cross the
bar.