158
WHUS46 KSEW 092147
CFWSEW

Coastal Hazard Message
National Weather Service Seattle WA
147 PM PST Tue Dec 9 2025

WAZ001-310-311-100600-
/O.NEW.KSEW.CF.Y.0011.251210T1500Z-251210T2100Z/
San Juan County-Lowlands of Western Whatcom County-
Lowlands of Western Skagit and Northwestern Snohomish Counties-
147 PM PST Tue Dec 9 2025

...COASTAL FLOOD ADVISORY IN EFFECT FROM 7 AM TO 1 PM PST
WEDNESDAY...

* WHAT...Minor coastal flooding expected. Inundation of around 2
  above ground level is possible along shorelines and low-lying
  coastal areas.

* WHERE...San Juan County, Lowlands of Western Whatcom County
  and Lowlands of Western Skagit and Northwestern Snohomish
  Counties zones.

* WHEN...From 7 AM to 1 PM 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 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.

&&

$$