... High surf advisory now in effect from 1 PM this afternoon to 10 am PST Tuesday central Oregon coast...
The high surf advisory is now in effect from 1 PM this afternoon to 10 am PST Tuesday.
A strong Pacific system will generate large seas and high winds through early Tuesday along the central Oregon coast. During the storm... seas will climb to 23 to 27 feet with periods around 11 seconds. Seas will rise above 20 feet this afternoon and peak in the 25 to 27 foot range tonight during the period of the strongest winds. These large seas will make for dangerous beach conditions with waves pummeling the surf zone which will only be exacerbated by the prominence of the enhanced lunar tidal cycle. Due to the magnitude of the high tides waves will travel much further up the beach than usual creating a dangerous situation in which extreme caution must be exercised. Large logs and other debris can easily be tossed around by the force of these waves... even the largest logs can roll easily on gently sloped beaches in ankle deep water.
Precautionary/preparedness actions...
A high surf advisory means that high surf will affect beaches in the advisory area... producing rip currents and localized beach erosion.
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High Wind Warning
Statement as of 9:37 AM PST on November 16, 2009
... High Wind Warning remains in effect until 10 am PST Tuesday for the central Oregon coast...
A High Wind Warning remains in effect until 10 am PST Tuesday.
A prolonged period of strong south winds are expected today and tonight along the central Oregon coast. South winds of 35 to 45 mph with gusts to near 70 mph are expected today... with the strongest winds near beaches and headlands. Several gusts to 65 mph have already been reported this morning.
The strongest winds will occur tonight... with sustained south winds of 40 to 50 mph... with gusts of 65 to 75 mph. However... on the open beaches and headlands... sustained winds of 50 to 60 mph with gusts up to 85 mph are likely. The winds will then decrease early Tuesday morning once a strong cold front moves onshore and the very strong offshore low moves into British Columbia.
Precautionary/preparedness actions...
A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. Winds may gust close to 85 mph along the immediate coastal headlands and beaches tonight... and speeds near these values can cause power outages and downed trees.