High Seas Forecast
Issued by NWS
Issued by NWS
229 FZPN40 PHFO 111526 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1700 UTC TUE NOV 11 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 11 2025. 24 HOUR FORECAST VALID 1200 UTC NOV 12 2025. 48 HOUR FORECAST VALID 1200 UTC NOV 13 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT NEAR 30N163E 28N160E NEARLY STATIONARY. .24 HOUR FORECAST FRONT 30N164E 26N160E. .48 HOUR FORECAST FRONT 30N180W 25N174E 25N165E. .TROUGH 26N140W 24N143W MOVING S SLOWLY. .24 HOUR FORECAST TROUGH 24N140W 22N142W 20N146W. .48 HOUR FORECAST TROUGH DISSIPATED. .WINDS 20 TO 30 KT N OF LINE 27N140W 25N143W 18N155W 24N176W. .24 HOUR FORECAST WINDS 20 TO 30 KT N OF LINE 30N140W 21N150W 17N170W. .48 HOUR FORECAST WINDS 20 TO 30 KT N OF LINE 23N140W 20N150W 18N166W. .SEAS 4 TO 5.5 M N OF 25N BETWEEN 140W AND 150W. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N170E 19N180W 11N160W 11N140W. .24 HOUR FORECAST SEAS 4 TO 4.5 M N OF 22N BETWEEN 145W AND 154W. SEAS 2.5 TO 4 M ELSEWHERE N OF 07N E OF 180W. .48 HOUR FORECAST SEAS 4 TO 4.5 M N OF 26N BETWEEN 140W AND 147W. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 07N180W 07N152W 23N140W. .WINDS 20 KT OR LESS AND SEAS 2.5 M OR LESS OVER REMAINDER OF FORECAST AREA. .ITCZ 10N140W 10N147W 03N167W 07N180W 04N170E. SCATTERED MODERATE TSTMS WITHIN 210 NM N OF ITCZ BETWEEN 171W AND 178E. ISOLATED MODERATE TSTMS WITHIN 60 NM BETWEEN 155W AND 165W. .ISOLATED MODERATE TSTMS FROM 19N TO 24N BETWEEN 179W AND 171E. $$ .FORECASTER ALMANZA. HONOLULU HI.