High Seas Forecast
Issued by NWS
Issued by NWS
319 FZPS40 PHFO 121045 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1130 UTC WED NOV 12 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E SYNOPSIS VALID 0600 UTC NOV 12 2025. 24 HOUR FORECAST VALID 0600 UTC NOV 13 2025. 48 HOUR FORECAST VALID 0600 UTC NOV 14 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S173E 20S167E 16S160E MOVING NE 15 KT. ISOLATED MODERATE TSTMS WITHIN 210 NM E OF FRONT S OF 21S. .24 HOUR FORECAST FRONT 25S178E 17S173E THENCE TROUGH 10S170E 06S160E. .48 HOUR FORECAST FRONT 25S175W 15S178E 11S167E THENCE TROUGH 08S160E. .TROUGH 04S160E 11S165E NEARLY STATIONARY. ISOLATED MODERATE TSTMS FROM 10S TO 02S W OF 169E. .24 HOUR FORECAST TROUGH MERGES WITH FRONT DESCRIBED ABOVE. .TROUGH 25S144W 13S160W 13S172W 10S178E NEARLY STATIONARY. SCATTERED MODERATE TSTMS WITHIN 180 NM OF TROUGH. .24 HOUR FORECAST TROUGH 25S146W 13S158W 12S170W 12S175W. .48 HOUR FORECAST TROUGH 21S147W 14S155W 11S162W 12S171W 05S176W. .24 HOUR FORECAST NEW TROUGH 25S140W 20S143W. .48 HOUR FORECAST TROUGH 25S131W 20S140W. .48 HOUR FORECAST WINDS 20 TO 30 KT S OF 23S BETWEEN 142W AND 161W. .WINDS 20 KT OR LESS ELSEWHERE OVER ENTIRE FORECAST AREA. .SEAS 2.5 TO 3 M FROM 10S TO 01S E OF 126W. .24 HOUR FORECAST 2.5 TO 3 M S OF 22S BETWEEN 149W AND 158W. .48 HOUR FORECAST SEAS 2.5 TO 4 M S OF 21S BETWEEN 133W AND 164W. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ISOLATED MODERATE TSTMS FROM 18S TO 14S BETWEEN 175E AND 172E. $$ .FORECASTER ALMANZA. HONOLULU HI.