621
WHUS46 KSEW 162156
CFWSEW
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
156 PM PST TUE DEC 16 2025
WAZ324-333-170600-
/O.EXB.KSEW.CF.Y.0012.251217T0900Z-251217T1500Z/
PORT TOWNSEND AREA-ISLAND COUNTY-
156 PM PST TUE DEC 16 2025
...COASTAL FLOOD ADVISORY IN EFFECT FROM 1 AM TO 7 AM PST
WEDNESDAY...
* WHAT...MINOR COASTAL FLOODING EXPECTED. INUNDATION OF 2.5 TO 3
FEET ABOVE GROUND LEVEL IS POSSIBLE ALONG SHORELINES AND LOW-
LYING COASTAL AREAS.
* WHERE...PORT TOWNSEND AREA AND ISLAND COUNTY ZONES.
* WHEN...FROM 1 AM TO 7 AM PST WEDNESDAY.
* IMPACTS...MINOR COASTAL FLOODING DUE TO TIDAL OVERFLOW IS
EXPECTED AROUND HIGH TIDE. THIS MAY LEAD TO FLOODING OF
PARKING LOTS, PARKS, AND ROADS, WITH ONLY ISOLATED ROAD
CLOSURES EXPECTED.
* ADDITIONAL DETAILS...COASTAL FLOODING WILL OCCUR IN THE HOURS
AROUND THE MORNING HIGH TIDE. A STRONG PUSH OF NORTHWEST WINDS
DOWN THE STRAIT OF JUAN DE FUCA WILL PUSH WATER INTO THE AREA,
ALIGNING WITH THE TIME OF HIGH TIDE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF TRAVEL IS REQUIRED, ALLOW EXTRA TIME AS SOME ROADS MAY BE
CLOSED. DO NOT DRIVE AROUND BARRICADES OR THROUGH WATER OF
UNKNOWN DEPTH. TAKE THE NECESSARY ACTIONS TO PROTECT FLOOD-PRONE
PROPERTY.
INUNDATION ABOVE GROUND LEVEL REFERS TO THE HEIGHT ABOVE THE MEAN
HIGHER HIGH WATER (MHHW) LEVEL.
WAZ001-170600-
/O.CON.KSEW.CF.Y.0012.251217T1000Z-251217T1600Z/
SAN JUAN COUNTY-
156 PM PST TUE DEC 16 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST
WEDNESDAY...
* WHAT...MINOR COASTAL FLOODING EXPECTED. INUNDATION OF AROUND
1.5 TO 2 FEET ABOVE GROUND LEVEL IS POSSIBLE ALONG SHORELINES
AND LOW-LYING COASTAL AREAS.
* WHERE...SAN JUAN COUNTY ZONE.
* WHEN...FROM 2 AM TO 8 AM PST WEDNESDAY.
* IMPACTS...MINOR COASTAL FLOODING DUE TO TIDAL OVERFLOW IS
EXPECTED AROUND HIGH TIDE. THIS MAY LEAD TO FLOODING OF
PARKING LOTS, PARKS, AND ROADS, WITH ONLY ISOLATED ROAD
CLOSURES EXPECTED.
* ADDITIONAL DETAILS...COASTAL FLOODING WILL OCCUR IN THE HOURS
AROUND THE MORNING HIGH TIDE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF TRAVEL IS REQUIRED, ALLOW EXTRA TIME AS SOME ROADS MAY BE
CLOSED. DO NOT DRIVE AROUND BARRICADES OR THROUGH WATER OF
UNKNOWN DEPTH. TAKE THE NECESSARY ACTIONS TO PROTECT FLOOD-PRONE
PROPERTY.
INUNDATION ABOVE GROUND LEVEL REFERS TO THE HEIGHT ABOVE THE MEAN
HIGHER HIGH WATER (MHHW) LEVEL.
WAZ330-331-170600-
/O.CON.KSEW.SU.Y.0008.251217T0900Z-251217T1800Z/
NORTHERN WASHINGTON COAST-GRAYS HARBOR COUNTY COAST-
156 PM PST TUE DEC 16 2025
...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 1 AM TO 10 AM PST
WEDNESDAY...
* WHAT...LARGE BREAKING WAVES ALONG THE COAST.
* WHERE...NORTHERN WASHINGTON COAST AND GRAYS HARBOR COUNTY
COAST ZONES.
* WHEN...FROM 1 AM TO 10 AM PST WEDNESDAY.
* IMPACTS...LARGE BREAKING WAVES CAN KNOCK PEOPLE OFF THEIR FEET,
MOVE DRIFTWOOD AND DEBRIS, AND CRASH OVER ROCKS AND JETTIES.
PEOPLE CAN BE INJURED OR DROWN WHILE OBSERVING THE OCEAN.
LOCALIZED BEACH AND COASTAL EROSION IS EXPECTED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
NEVER TURN YOUR BACK ON THE OCEAN AND KEEP CHILDREN AND PETS
CLOSE. KNOW THE TIDES AND FORECAST CONDITIONS. FOLLOW WARNING
SIGNS AND RESPECT BARRIERS.
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