High Seas Forecast
Issued by NWS
Issued by NWS
832 FZPN40 PHFO 251525 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1700 UTC TUE NOV 25 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC NOV 25 2025. 24 HOUR FORECAST VALID 1200 UTC NOV 26 2025. 48 HOUR FORECAST VALID 1200 UTC NOV 27 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 30N162W 25N170W 24N179E MOVING E 10 KT N OF 27N AND NEARLY STATIONARY ELSEWHERE. ISOLATED MODERATE TSTMS N OF 29N WITHIN 180 NM W OF OF FRONT. .24 HOUR FORECAST FRONT 30N154W 29N160W. .48 HOUR FORECAST FRONT DISSIPATED. .TROUGH 26N144W 23N145W MOVING W 10 KT. .24 HOUR FORECAST TROUGH DISSIPATED. .24 HOUR FORECAST NEW TROUGH 11N172E 05N160E. .48 HOUR FORECAST TROUGH MOVED W OF AREA. .48 HOUR FORECAST NEW FRONT 30N176E 26N170E 25N160E. .WINDS 20 TO 25 KT N OF 28N BETWEEN 171W AND 163W. .24 HOUR FORECAST WINDS 20 TO 30 KT N OF 28N BETWEEN 169W AND 177E. WINDS 20 TO 25 KT N OF 28N W OF 162E. .48 HOUR FORECAST WINDS 20 TO 30 KT N OF 26N BETWEEN 175W AND 165E. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 4 TO 4.5 M N OF 28N BETWEEN 173W AND 178E. SEAS 2.5 TO 4 M ELSEWHERE N OF A LINE FROM 30N166W 23N178W 19N171E 30N164E. SEAS 2.5 TO 4 M FROM 12N TO 05N BETWEEN 154W AND 173E. .24 HOUR FORECAST SEAS 4 TO 4.5 M N OF 29N BETWEEN 172W AND 177E. SEAS 2.5 TO 4 M ELSEWHERE N OF A LINE 30N155W 23N163W 20N178W 30N171E. SEAS 2.5 TO 3 M FROM 13N TO 07N BETWEEN 174W AND 175E. .48 HOUR FORECAST SEAS 4 TO 5 M N OF 28N W OF 175E. SEAS 2.5 TO 4 M ELSEWHERE N OF A LINE FROM 30N152W 25N169W 25N168E 25N160E. SEAS 2.5 TO 3 M FROM 15N TO 08N BETWEEN 168E AND 176E. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ISOLATED MODERATE TSTMS N OF 24N BETWEEN 170E AND 162E. .ITCZ 08N140W 05N177W 07N177E 05N163E. ISOLATED MODERATE TSTMS WITHIN 180 NM OF ITCZ E OF 149W AND W OF 160W. $$ .FORECASTER THOMAS. HONOLULU HI.