High Surf Advisory
Coastal Hazard Message
National Weather Service Honolulu HI
330 PM HST Thu Dec 4 2025
...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU
KAUAI OAHU MOLOKAI AND FOR NORTH FACING SHORES OF MAUI...
...MINOR COASTAL FLOODING DURING HIGH TIDE THROUGH SATURDAY
MORNING...
.Large surf will continue to spread down the island chain to
impact north and west facing shores of Niihau through Molokai and
north facing shores of Maui tonight through Friday. A combination
of large surf and peak monthly tides that are coming in higher
than predicted could lead to flooding along the shoreline and in
low-lying coastal areas. Minor coastal flooding will be possible
especially at and around the daily peak high tide, which will be
during the early morning hours.
HIZ017-037-039-040-045-047-051430-
/O.CON.PHFO.SU.Y.0039.251205T0400Z-251206T0400Z/
/O.CON.PHFO.CF.S.0008.000000T0000Z-251206T1800Z/
Maui Windward West-Molokai Windward-Molokai North-Molokai West-
Maui Central Valley North-Windward Haleakala-
330 PM HST Thu Dec 4 2025
...COASTAL FLOOD STATEMENT REMAINS IN EFFECT THROUGH SATURDAY
MORNING...
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST FRIDAY...
* WHAT...For the High Surf Advisory, large breaking waves of 10
to 15 feet. For the Coastal Flood Statement, isolated minor
coastal flooding.
* WHERE...For the Coastal Flood Statement, vulnerable low-lying
coastal roadways, docks, boat ramps and other coastal
infrastructure. For the High Surf Advisory, north and west
facing shores of Molokai and north facing shores of Maui.
* WHEN...For the High Surf Advisory, from 6 PM this evening to 6
PM HST Friday. For the Coastal Flood Statement, through
Saturday morning.
* IMPACTS...Flooding of beaches that are normally dry, minor
coastal erosion, and saltwater inundation. Moderate. Strong
breaking waves and strong currents will make swimming dangerous.
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.
Heed all advice from ocean safety officials. When in doubt, don`t
go out.
&&
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
$$
Coastal Hazard Message
National Weather Service Honolulu HI
330 PM HST Thu Dec 4 2025
...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU
KAUAI OAHU MOLOKAI AND FOR NORTH FACING SHORES OF MAUI...
...MINOR COASTAL FLOODING DURING HIGH TIDE THROUGH SATURDAY
MORNING...
.Large surf will continue to spread down the island chain to
impact north and west facing shores of Niihau through Molokai and
north facing shores of Maui tonight through Friday. A combination
of large surf and peak monthly tides that are coming in higher
than predicted could lead to flooding along the shoreline and in
low-lying coastal areas. Minor coastal flooding will be possible
especially at and around the daily peak high tide, which will be
during the early morning hours.
HIZ001-003-006-007-029-051430-
/O.CON.PHFO.SU.Y.0039.000000T0000Z-251206T0400Z/
/O.CON.PHFO.CF.S.0008.000000T0000Z-251206T1800Z/
Niihau-Kauai Southwest-Waianae Coast-Oahu North Shore-Kauai North-
330 PM HST Thu Dec 4 2025
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST FRIDAY...
...COASTAL FLOOD STATEMENT REMAINS IN EFFECT THROUGH SATURDAY
MORNING...
* WHAT...For the High Surf Advisory, large breaking waves of 10
to 16 feet. For the Coastal Flood Statement, isolated minor
coastal flooding.
* WHERE...For the Coastal Flood Statement, vulnerable low-lying
coastal roadways, docks, boat ramps and other coastal
infrastructure. For the High Surf Advisory, north and west
facing shores.
* WHEN...For the High Surf Advisory, from noon today to 6 PM HST
Friday. For the Coastal Flood Statement, through Saturday
morning.
* IMPACTS...Flooding of beaches that are normally dry, minor
coastal erosion, and saltwater inundation. Moderate. Strong
breaking waves and strong currents will make swimming dangerous.
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.
Heed all advice from ocean safety officials. When in doubt, don`t
go out.
&&
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
$$
