330
WHHW40 PHFO 200107
CFWHFO

Coastal Hazard Message
National Weather Service Honolulu HI
307 PM HST Tue Aug 19 2025

...MINOR COASTAL FLOODING DURING HIGH TIDE THIS WEEK...

Peak high tides associated with the lunar cycle will lead to
minor coastal flooding along shorelines and low lying coastal
through Thursday. Coastal flooding is possible around the daily
peak tide, which will be during the afternoon hours.

HIZ001-003-006-007-009-016>018-023-026-029>035-037>054-210115-
/O.CON.PHFO.CF.S.0004.000000T0000Z-250822T0400Z/
Niihau-Kauai Southwest-Waianae Coast-Oahu North Shore-Olomana-
Kahoolawe-Maui Windward West-Maui Leeward West-Kona-Kohala-
Kauai North-Kauai East-Kauai South-East Honolulu-Honolulu Metro-
Ewa Plain-Koolau Windward-Molokai Windward-Molokai Southeast-
Molokai North-Molokai West-Molokai Leeward South-Lanai Windward-
Lanai Leeward-Lanai South-Maui Central Valley North-
Maui Central Valley South-Windward Haleakala-Kipahulu-
South Maui/Upcountry-South Haleakala-Big Island South-
Big Island Southeast-Big Island East-Big Island North-
307 PM HST Tue Aug 19 2025

...COASTAL FLOOD STATEMENT REMAINS IN EFFECT THROUGH THURSDAY
AFTERNOON...

* WHAT...Isolated minor coastal flooding.

* WHERE...Portions of Kahoolawe, Kauai, Lanai, Maui, Molokai,
  Niihau, Oahu and the Big Island.

* WHEN...Through Thursday afternoon.

* IMPACTS...Flooding of beaches that are normally dry, minor
  coastal erosion, and saltwater inundation.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid driving through flooded roadways. If you are forced to
drive through salt water, be sure to rinse your vehicle with
fresh water. Move electronics, vehicles or other valuables to
higher ground. Monitor vessels to ensure mooring lines don`t get
too tight and watch out for overwash around boat ramps. Secure
canoes or other watercraft stowed on beaches.

&&

Submit your coastal flooding photos to the University of Hawaii
Sea Grant College Program`s Hawaii and Pacific Islands King
Tides Project at:

PacificIslandsKingTides.org

$$