High Seas Forecast
Issued by NWS
Issued by NWS
281 FZPS40 PHFO 121526 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1730 UTC WED NOV 12 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC NOV 12 2025. 24 HOUR FORECAST VALID 1200 UTC NOV 13 2025. 48 HOUR FORECAST VALID 1200 UTC NOV 14 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S174E 20S170E 16S160E MOVING E 15 KT. ISOLATED MODERATE TSTMS WITHIN 300 NM E OF FRONT. .24 HOUR FORECAST FRONT 25S180W 16S175E THENCE TROUGH 07S160E. .48 HOUR FORECAST FRONT 25S173W 17S180W 14S163 THENCE TROUGH 09S160E. .TROUGH 04S160E 10S165E NEARLY STATIONARY. SCATTERED MODERATE TO STRONG TSTMS FROM 09S TO 01S W OF 169E. .24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED ABOVE. .TROUGH 25S143W 20S146W 12S168W 10S178W NEARLY STATIONARY. SCATTERED MODERATE TSTMS WITHIN 300 NM OF TROUGH. .24 HOUR FORECAST TROUGH 25S140W 20S144W 12S166W 11S171W 05S177W. .48 HOUR FORECAST NEW FRONT 25S130W 20S145W THENCE TROUGH 12S164W 12S171W 04S179W. .48 HOUR FORECAST WINDS 20 TO 30 KT S OF 22S BETWEEN 138W AND 161W. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 TO 3 M FROM 10S TO 02S E OF 126W. .24 HOUR FORECAST 2.5 TO 3.5 M S OF 22S BETWEEN 149W AND 158W. .48 HOUR FORECAST SEAS 2.5 TO 4 M S OF 21S BETWEEN 132W AND 165W. .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.