Hurricane Warning
Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1100 AM HST Tue Sep 29 2026
Hawaiian offshore waters beyond 40 nautical miles out to 240
nautical miles including the portion of the Papahanaumokuakea
Marine National Monument east of French Frigate Shoals
Seas given as significant wave height, which is the average height
of the highest 1/3 of the waves. Individual waves may be more than
twice the significant wave height.
PHZ180-300430-
Hawaiian Offshore Waters-
1100 AM HST Tue Sep 29 2026
...HURRICANE WARNING IN EFFECT...
.THIS AFTERNOON...Winds SE winds 70 to 80 kt. Seas 7 to 13 ft.
Isolated thunderstorms.
.TONIGHT...NW Half, SE winds 60 to 70 kt, diminishing to 50 to
60 kt early in the morning. SE Half, SE winds 10 to 20 kt. Seas
6 to 13 ft. Isolated thunderstorms.
.WEDNESDAY...NW Half, SE winds 45 to 55 kt, diminishing to 35 to
45 kt in the afternoon. SE Half, SE winds 35 to 45 kt, becoming E
10 to 15 kt in the afternoon. Seas 6 to 12 ft. Isolated
thunderstorms.
.WEDNESDAY NIGHT...NW Half, SE winds 30 to 40 kt. SE Half, SE
winds 30 to 40 kt, becoming E 10 to 15 kt after midnight. Seas
6 to 11 ft. Isolated thunderstorms N of 19N.
.THURSDAY...SE winds 15 to 25 kt NW Half, E 10 to 15 kt SE Half.
Seas 6 to 9 ft. Isolated thunderstorms NW Half.
.FRIDAY...SE winds 15 to 25 kt NW Half, E 10 to 15 kt SE Half.
Seas 6 to 8 ft. Isolated thunderstorms NW Half.
.SATURDAY...E winds 10 to 20 kt. Seas 6 to 7 ft.
$$
High Surf Advisory
Coastal Hazard Message
National Weather Service Honolulu HI
312 AM HST Tue Sep 29 2026
...HIGH SURF ADVISORY FOR SOUTH FACING SHORES OF KAUAI AND NIIHAU
NOW IN EFFECT THROUGH 6 PM TUESDAY...
.Short to medium period south-southwest swell from Hurricane Nolo
is generating advisory level surf for south facing shores of
Kauai and Niihau. This swell is expected to diminish by Wednesday
as the swell comes increasingly from the west, but uncertainty
remains with how quickly this will occur.
HIZ001-003-031-300215-
/O.EXT.PHFO.SU.Y.0039.000000T0000Z-260930T0400Z/
Niihau-Kauai Southwest-Kauai South-
312 AM HST Tue Sep 29 2026
...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM HST THIS EVENING...
* WHAT...Large surf of 7 to 10 ft.
* WHERE...South facing shores of Kauai and Niihau.
* WHEN...Until 6 PM HST this evening.
* IMPACTS...Moderate. Strong breaking waves and strong currents
will make swimming dangerous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Heed all advice from ocean safety officials. When in doubt, don`t
go out.
&&
$$
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
314 AM HST Tue Sep 29 2026
PHZ110-112-300215-
/O.CON.PHFO.SC.Y.0038.000000T0000Z-261001T0400Z/
Kauai Northwest Waters-Kauai Leeward Waters-
314 AM HST Tue Sep 29 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST
WEDNESDAY...
* WHAT...Southeast winds up to 30 kt and seas up to 13 feet.
* WHERE...Kauai Northwest Waters and Kauai Leeward Waters.
* WHEN...Until 6 PM HST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in these conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
314 AM HST Tue Sep 29 2026
PHZ111-113-300215-
/O.EXT.PHFO.SC.Y.0038.000000T0000Z-261001T0400Z/
Kauai Windward Waters-Kauai Channel-
314 AM HST Tue Sep 29 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM HST WEDNESDAY...
* WHAT...Southeast winds up to 25 kt and seas up to 10 feet.
* WHERE...Kauai Windward Waters and Kauai Channel.
* WHEN...Until 6 PM HST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in these conditions.
&&
$$
