From the National Weather Service:
Coastal Flood Advisory
COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 742 PM PST WED FEB 8 2017 WAZ001-503-504-506-507-509>511-558-559-091145- /O.CON.KSEW.CF.Y.0002.170209T0900Z-170209T1700Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-SOUTHWEST INTERIOR- WESTERN SKAGIT COUNTY-EVERETT AND VICINITY-TACOMA AREA- ADMIRALTY INLET AREA-HOOD CANAL AREA-SEATTLE AND VICINITY- BREMERTON AND VICINITY- 742 PM PST WED FEB 8 2017 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM PST THURSDAY... * COASTAL FLOODING...THE COMBINATION OF HIGH ASTRONOMICAL TIDES AND RELATIVELY LOW PRESSURE COULD PRODUCE MINOR FLOODING ALONG THE SHORELINES AROUND THE TIME OF HIGH TIDE EARLY THURSDAY MORNING. * SOME AFFECTED LOCATIONS...PUGET SOUND...HOOD CANAL...THE ADMIRALTY INLET AREA...AND THE NORTHERN INLAND WATERS INCLUDING THE SAN JUAN ISLANDS. * TIMING...WITHIN AN HOUR OR TWO EITHER SIDE OF HIGH TIDES. HIGH TIDES WILL GENERALLY OCCUR BETWEEN 4 AM AND 6 AM. * TIDE INFO...LOW PRESSURE SHOULD RESULT IN TIDAL ANOMALIES OF 1 TO 1.5 FEET ABOVE THE PREDICTED TIDES. * IMPACTS...MINOR FLOODING DUE TO TIDAL OVERFLOW. LOW LYING AREAS NEXT TO THE WATER COULD SEE MINOR FLOODING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE. Our highest estimated tide, not factoring the coastal flooding is predicted to be 11.96 at 4:34 a.m. With the coast flooding, it's estimated we can add 1 to 1.5 feet to the tides.
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