


High Seas Forecast
Issued by NWS
Issued by NWS
680 FZPS40 PHFO 151028 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1130 UTC SUN JUN 15 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 JUN 15 2025. 24 HOUR FORECAST VALID 0600 UTC JUN 16 2025. 48 HOUR FORECAST VALID 0600 UTC JUN 17 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S177E 22S174E 17S161E MOVING E 20 KT. .24 HOUR FORECAST FRONT 25S170W 20S177W 16S175E 14S160E. WINDS 20 TO 25 KT AND SEAS 2.5 TO 3 M S OF 22S BETWEEN 163W AND 174W. .48 HOUR FORECAST FRONT 25S157W 20S164W 14S170W. WINDS 20 TO 25 KT AND SEAS 2.5 TO 4 M S OF A LINE 25S151W 21S160W 21S177E 25S172E. .TROUGH 18S151W 12S163W 08S175W 08S168E 06S160E MOVING W SLOWLY. ISOLATED MODERATE TSTMS WITHIN 120 NM EITHER SIDE OF TROUGH W OF 161W. .24 HOUR FORECAST TROUGH 12S170W 06S175E 05S160E. .48 HOUR FORECAST TROUGH 12S170W 05S174E 05S160E. .TROUGH 25S152W 22S165W MOVING E 20 KT. .24 HOUR FORECAST FRONT AND TROUGH DISSIPATED. .24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 20S TO 06S E OF 133W. .48 HOUR FORECAST E WINDS 20 TO 25 KT FROM 20S TO 05S E OF 147W. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 TO 3 M FROM 21S TO 08S E OF 133W...AND S OF 23S BETWEEN 144W AND 153W. .24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 22S TO 06S E OF 130W. .48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 22S TO 06S E OF 137W. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. $$ .FORECASTER TSAMOUS. HONOLULU HI.