High Seas Forecast
Issued by NWS
Issued by NWS
469 FZPS40 PHFO 160855 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1130 UTC SUN NOV 16 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 16 2025. 24 HOUR FORECAST VALID 0600 UTC NOV 17 2025. 48 HOUR FORECAST VALID 0600 UTC NOV 18 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S122W 18S130W 15S147W THENCE TROUGH 12S160W 10S170W 06S177E MOVING E 15 KT S OF 15S NEARLY STATIONARY ELSEWHERE. NUMEROUS STRONG TSTMS WITHIN 180 NM SW OF TROUGH BETWEEN 177W AND 162W. SCATTERED MODERATE TSTMS ELSEWHERE WITHIN 120 NM OF TROUGH W OF 170W. .24 HOUR FORECAST FRONT 20S120W 14S140W 15S153W THENCE TROUGH 10S170W 06S180W. .48 HOUR FORECAST FRONT MOVED E OF AREA. TROUGH 21S120W 16S130W 15S150W 09S170W. .TROUGH 25S174W 20S177W 15S176E MOVING SW SLOWLY. NUMEROUS STRONG TSTMS FROM 20S TO 14S BETWEEN 180W AND 173W. SCATTERED MODERATE TSTMS ELSEWHERE S OF 20S BETWEEN 177E AND 175W... AND WITHIN 150 NM OF TROUGH W OF 180W. .24 HOUR FORECAST TROUGH 25S180W 20S180E 16S175E. .48 HOUR FORECAST TROUGH 25S180W 16S172E. .WINDS 20 TO 25 KT S OF 16S BETWEEN 170W AND 145W. .24 HOUR FORECAST WINDS 20 TO 25 KT S OF A LINE 16S140W 16S160W 18S170W 25S180W. .48 HOUR FORECAST WINDS 20 TO 25 KT S OF A LINE 16S150W 17S170W 15S180W. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 4 TO 5 M S OF 22S BETWEEN 130W AND 152W. SEAS 2.5 TO 4 M ELSEWHERE S OF LINE 25S171W 20S168W 15S155W 20S135W 22S120W. .24 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 25S180W 15S170W 13S160W 16S130W 20S120W. .48 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 25S178E 14S165W 15S155W 17S140W 13S130W 18S120W. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ISOLATED MODERATE TSTMS FROM 19S TO 16S BETWEEN 165W AND 153W. $$ .FORECASTER SHIGESATO. HONOLULU HI.