High Seas Forecast
Issued by NWS
Issued by NWS
953 FZPN40 PHFO 242236 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 2300 UTC MON NOV 24 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. THIS HIGH SEAS FORECAST USES 1-MINUTE AVERAGE WINDS WHICH MAY BE HIGHER THAN 10-MINUTE AVERAGE WINDS. SECURITE NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E SYNOPSIS VALID 1800 UTC NOV 24 2025. 24 HOUR FORECAST VALID 1800 UTC NOV 25 2025. 48 HOUR FORECAST VALID 1800 UTC NOV 26 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 30N165W 27N175W 25N173E 26N160E MOVING NE 10 KT. .24 HOUR FORECAST FRONT 30N157W 28N167W. .48 HOUR FORECAST FRONT MOVED N OF AREA. .TROUGH 26N140W 22N143W MOVING W 10 KT. .24 HOUR FORECAST TROUGH 27N143W 25N144W. .48 HOUR FORECAST TROUGH 27N149W 24N150W. .48 HOUR FORECAST NEW TROUGH 14N170E 11N163E 09N160E. .24 HOUR FORECAST WINDS 20 TO 30 KT N OF 27N BETWEEN 165E AND 174E. .48 HOUR FORECAST WINDS 20 TO 30 KT N OF 27N W OF 170E. WINDS 20 TO 25 KT N OF 27N BETWEEN 179W AND 170W. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 TO 3.5 M N OF LINE 30N175W 26N179W 23N172E 23N160E... ANDS OF 20N EXCEPT S OF 11N W OF 170E AND S OF 06N E OF 160W. .24 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 30N162W 24N173W 22N174E 23N167E 30N162E. SEAS 2.5 TO 3 M IN AREA BOUNDED BY 19N140W 12N153W 12N155W 17N177E 18N160E 12N160E 04N176E 08N140W. .48 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 30N151W 20N165W 12N172W 10N156W 05N173W 13N168E 24N176E 28N169E 27N160E. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ITCZ 07N140W 05N151W 07N179E 07N160E. SCATTERED MODERATE TSTMS FROM 09N TO 05N E OF 145W. ISOLATED MODERATE TSTMS WITHIN 270 NM N OF ITCZ W OF 175W. $$ .FORECASTER TROTTER. HONOLULU HI.