High Seas Forecast
Issued by NWS
Issued by NWS
022 FZPS40 PHFO 021510 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1730 UTC SUN NOV 02 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 02 2025. 24 HOUR FORECAST VALID 1200 UTC NOV 03 2025. 48 HOUR FORECAST VALID 1200 UTC NOV 04 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 04S163E 11S176E 15S172W 16S160W MOVING SW SLOWLY. ISOLATED MODERATE TSTMS WITHIN 270 NM OF TROUGH. .24 HOUR FORECAST TROUGH 18S165W 16S176W 10S169E 05S161E. .48 HOUR FORECAST TROUGH 19S172W 18S178E 13S170E 06S160E. .TROUGH 25S172E 20S162E MOVING E SLOWLY. ISOLATED MODERATE TSTMS WITHIN 180 NM E OF TROUGH. .24 HOUR FORECAST TROUGH DISSIPATED. .WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA. .SEAS 2.5 TO 3 M FROM 20S TO 16S BETWEEN 174W AND 164W. .24 HOUR FORECAST SEAS 2.5 TO 3 M S OF LINE 25S169W 22S175W 17S176W 21S157W 25S139W. .48 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 25S176W 22S177W 11S162W 13S151W 21S130W 25S124W. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ISOLATED MODERATE TSTMS N OF 03S BETWEEN 171E AND 178E...AND FROM 20S TO 18S BETWEEN 169E AND 175E. $$ .FORECASTER PIERCE. HONOLULU HI.