Interactive NWS Alert
Radar valid at 600 am HST, Mar 18th 2026
...HIGH SURF ADVISORY NORTH FACING SHORES...
.A north-northwest swell will create large surf for north facing
shores from Niihau to Maui through Wednesday morning.
HIZ001-007-017-029-037-039-045-047-181600-
/O.NEW.PHFO.SU.Y.0020.260318T0400Z-260318T1600Z/
Niihau-Oahu North Shore-Maui Windward West-Kauai North-
Molokai Windward-Molokai North-Maui Central Valley North-
Windward Haleakala-
540 PM HST Tue Mar 17 2026
...HIGH SURF ADVISORY IN EFFECT UNTIL 6 AM HST WEDNESDAY...
* WHAT...Large breaking waves of 12 to 16 feet.
* WHERE...North facing shores of Niihau, Kauai, Oahu, Molokai,
and Maui.
* WHEN...Until 6 AM HST Wednesday.
* IMPACTS...Moderate. Strong breaking waves and strong currents
will make swimming dangerous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Heed all advice from ocean safety officials. When in doubt, don't
go out.
&&
iNWS is an experimental service intended for NWS core partners,
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