High Surf Advisory
Coastal Hazard Message
National Weather Service Honolulu HI
349 PM HST Sun Nov 9 2025
...HIGH SURF ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT UNTIL 6 AM
TUESDAY FOR EXPOSED NORTH FACING SHORES...
.A moderate to large north-northeast (20 deg) swell is expected
to fill in late tonight through Monday increasing surf heights
above advisory thresholds along north facing shores.
HIZ001-007-009-017-029-030-032-035-037>039-045-047-048-053-054-
101500-
/O.NEW.PHFO.SU.Y.0034.251110T1000Z-251111T1600Z/
Niihau-Oahu North Shore-Olomana-Maui Windward West-Kauai North-
Kauai East-East Honolulu-Koolau Windward-Molokai Windward-
Molokai Southeast-Molokai North-Maui Central Valley North-
Windward Haleakala-Kipahulu-Big Island East-Big Island North-
349 PM HST Sun Nov 9 2025
...HIGH SURF ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM HST
TUESDAY...
* WHAT...Surf 14 to 18 feet.
* WHERE...North facing shores of Kauai, Maui, Molokai, Niihau,
Oahu and the Big Island.
* WHEN...From midnight tonight to 6 AM HST Tuesday.
* 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.
&&
$$
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
356 PM HST Sun Nov 9 2025
PHZ110>121-101500-
/O.EXT.PHFO.SC.Y.0047.000000T0000Z-251111T1600Z/
Kauai Northwest Waters-Kauai Windward Waters-Kauai Leeward Waters-
Kauai Channel-Oahu Windward Waters-Oahu Leeward Waters-
Kaiwi Channel-Maui County Windward Waters-
Maui County Leeward Waters-Maalaea Bay-Pailolo Channel-
Alenuihaha Channel-
356 PM HST Sun Nov 9 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM HST TUESDAY...
* WHAT...East winds up to 25 kt with gusts up to 35 kt and seas 8
to 12 feet.
* WHERE...Kauai Northwest Waters, Kauai Windward Waters, Kauai
Leeward Waters, Kauai Channel, Oahu Windward Waters, Oahu
Leeward Waters, Kaiwi Channel, Maui County Windward Waters,
Maui County Leeward Waters, Maalaea Bay, Pailolo Channel and
Alenuihaha Channel.
* WHEN...Until 6 AM HST Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in these conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
356 PM HST Sun Nov 9 2025
PHZ122>124-101500-
/O.EXT.PHFO.SC.Y.0047.251110T0156Z-251111T1600Z/
Big Island Windward Waters-Big Island Leeward Waters-
Big Island Southeast Waters-
356 PM HST Sun Nov 9 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM HST TUESDAY...
* WHAT...Northeast winds up to 25 kt with gusts up to 35 kt and
seas 8 to 12 feet.
* WHERE...Big Island Windward Waters, Big Island Leeward Waters
and Big Island Southeast Waters.
* WHEN...Until 6 AM HST Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in these conditions.
&&
$$
Marine Weather Statement
Marine Weather Statement
National Weather Service Honolulu HI
353 PM HST Sun Nov 9 2025
PHZ110-111-114-117-122-101500-
Kauai Northwest Waters-Kauai Windward Waters-Oahu Windward Waters-
Maui County Windward Waters-Big Island Windward Waters-
353 PM HST Sun Nov 9 2025
A north-northeast swell produced by a storm in the north Pacific
will build late Sunday night into Monday producing surges in north
facing harbors including Hilo and Kahului Harbors. The swell will
also produce breaking waves near the harbor entrances. Mariners
using these harbors should exercise caution when entering or
leaving port and when mooring or launching vessels.
$$
