Coastal Flood Warning
San Juan County, WA · ended Today 12:00 PM PST
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.
* WHAT...Minor coastal flooding expected. Inundation of 1.75 to 2.25 feet above ground level is possible along shorelines and low-lying coastal areas.
* WHERE...San Juan County zone.
* WHEN...From 7 AM to noon PST Saturday.
* 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.
What to do during a Coastal Flood Warning
- 1Move cars from low areasSalt water damages cars quickly.
- 2Avoid shore roads at high tideFlooding is worst around high tide, especially with strong onshore wind.
- 3Never drive through flood waterWaves and currents can push cars off the road.
- 4Follow orders to leaveIf officials tell you to evacuate, go right away.
Flood Watch vs. Warning
Coastal Flood Warning questions
When is the risk highest?
Around high tide, especially with strong onshore wind and large waves.
What is the difference between an advisory and a warning?
An advisory is for minor flooding. A warning is for flooding that threatens property and lives.