The High Seas Forecast for the Central North Pacific

Tracking Severe Thunderstorms and Excessive Rainfall in the Southern U.S.; Winter Storm to Impact the Northern U.S.

A storm system will shift from eastern Texas into the lower Mississippi Valley Monday with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. A Flood Watch remains in effect. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest Monday into Wednesday. Read More >

483 FZPN40 PHFO 291057 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1100 UTC SAT NOV 29 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC NOV 29 2025. 24 HOUR FORECAST VALID 0600 UTC NOV 30 2025. 48 HOUR FORECAST VALID 0600 UTC DEC 01 2025. .WARNINGS. ...STORM WARNING... .LOW 29N161E 1004 MB. WARM FRONT FROM LOW 28N162E 27N165E 25N168E MOVING E 30 KT. COLD FRONT FROM LOW TO 28N160E. WINDS 30 TO 35 KT WITHIN 60 NM E SEMICIRCLE OF LOW. WINDS 20 TO 30 KT ELSEWHERE N OF 25N W OF 163W. .24 HOUR FORECAST LOW NEAR 29N175E 998 MB. COLD FRONT FROM LOW TO 26N174E 24N171E 22N160E. WARM FRONT FROM LOW TO 29N175E 29N177E 27N178E. WINDS 30 TO 50 KT BOUNDED BY 30N171E 30N173E 29N175E 27N178E 25N173E 27N170E 30N171E. WINDS 20 TO 30 KT ELSEWHERE N OF 22N BETWEEN 179W AND 162E. .48 HOUR FORECAST LOW MOVED N OF AREA. FRONT 30N171W 26N172W 20N170E 19N165E. WINDS 30 TO 50 KT N OF 26N BETWEEN 168W AND 172W. WINDS 20 TO 30 KT ELSEWHERE N OF LINE 30N161W 23N167W 20N165E. .SYNOPSIS AND FORECAST. .FRONT 30N162W 24N170W 20N180W 19N170E MOVING ENE 20 KT E OF 171E AND NEARLY STATIONARY ELSEWHERE. WINDS 20 TO 30 KT N OF LINE 30N156W 24N165W 30N180W. SCATTERED MODERATE TSTMS WITHIN 180 NM E OF FRONT N OF 25N. .24 HOUR FORECAST FRONT 30N157W 25N160W 22N169W 20N178W. ASSOCIATED WINDS MOVED N OF AREA. .48 HOUR FORECAST FRONT DISSIPATED. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 6 TO 9 M N OF LINE 30N167W 22N178W 23N174E 30N171E. SEAS 4 TO 6 M ELSEWHERE N OF LINE 30N162W 25N167W 25N180W 30N177E. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N158W 23N168W 17N177E 17N169E 19N160E. SEAS 2.5 TO 3 M N OF 26N BETWEEN 140W AND 149W. .24 HOUR FORECAST SEAS 4 TO 6.5 M N OF LINE 30N151W 21N158W 12N174W 23N174E 25N165E 30N164E. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N150W 13N162W 06N172W 06N160E. .48 HOUR FORECAST SEAS 4 TO 5.5 M N OF LINE 30N142W 20N150W 24N170W 23N180W 30N165E. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 27N140W 09N151W 01N170W 01N174E 18N160E. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ITCZ 07N140W 06N160W 06N160E. SCATTERED MODERATE TSTMS WITHIN 120 NM N OF ITCZ E OF 164W. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 120 OF ITCZ W OF 180W. $$ .FORECASTER ALMANZA. HONOLULU HI.