Cowabunga

Posted by Ken Campbell November 7, 2009 0 Comment 616 views

In case you were thinking about heading to the coast tomorrow…


NATIONAL WEATHER SERVICE SEATTLE WA

319 PM PST FRI NOV 6 2009

NORTH COAST-CENTRAL COAST-

A HIGH SURF WARNING REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY. A LONG SERIES OF GIANT WAVES BEGAN TO REACH THE WASHINGTON COAST THIS MORNING AND WILL CONTINUE THROUGH SATURDAY AFTERNOON.

POWERFUL WAVES OF 25 TO 28 FEET WILL IMPACT THE BEACHES DURING THIS TIME. THESE WAVES WILL BE SEPARATED BY 15 TO 20 SECONDS. WAVES OF THIS SIZE PUSH LARGE AMOUNTS OF WATER ONTO THE COASTLINE AND INTO HARBORS…COVES AND INLETS. THE MOST LIKELY PLACE FOR PROBLEMS TO OCCUR IS RIGHT ALONG THE BEACHES…WHERE LOW LYINGROADS COULD HAVE SHALLOW WATER OVER THEM…AND SOME LEVEES OR REVETMENTS COULD SEE WATER SPLASHING OVER THE TOP.

COASTAL INLETS…INCLUDING GRAYS HARBOR…CAN EXPECT TO SEE TIDE LEVELS RUNNING ABOUT A FOOT HIGHER THAN TIDE TABLE PREDICTIONS. TIDE TABLES FOR ABERDEEN PREDICT HIGH TIDES OF 10.9 FEET AT 245 PM FRIDAY…8.8 FEET AT 441 AM SATURDAY…AND 10.4 FEET AT 339 PM SATURDAY AFTERNOON. COASTAL FLOODING AT ABERDEEN BEGINS AT 14.0FT…SO EVEN AN EXTRA FOOT OR MORE SHOULD NOT CAUSE PROBLEMS IN GRAYS HARBOR.

PRECAUTIONARY/PREPAREDNESS ACTIONS…THESE WAVES ARE POWERFUL ENOUGH TO SWEEP UNWARY BEACH WALKERS OUT TO SEA. PEOPLE CAN BE SERIOUSLY INJURED BY DEBRIS…SUCH AS LOGS…TOSSED ABOUT IN THE WAVES.

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