


High Seas Forecast
Issued by NWS
Issued by NWS
984 FZPS40 PHFO 052128 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 2330 UTC THU JUN 05 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC JUN 05 2025. 24 HOUR FORECAST VALID 1800 UTC JUN 06 2025. 48 HOUR FORECAST VALID 1800 UTC JUN 07 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S177E 15S173E...THENCE TROUGH 10S170E 08S160E MOVING E 15 KT. N WINDS 20 TO 30 KT S OF A LINE FROM 20S173W 10S160E. SCATTERED MODERATE TSTMS WITHIN 120 NM E OF FRONT...AND WITHIN 270 NM OF TROUGH. .24 HOUR FORECAST FRONT 25S173E 13S180W THENCE TROUGH 08S171E 04S160E. N TO NE WINDS 20 TO 25 KT S OF 21S BETWEEN 168W AND 174W. .48 HOUR FORECAST FRONT 25S165W 15S169W THENCE TROUGH 08S175E 08S167E. ASSOCIATED WINDS EASED 20 KT OR LESS. .FRONT 25S124W 20S138W...THENCE TROUGH 21S150W 16S159W. E TO SE WINDS 20 TO 30 KT S OF A LINE FROM 25S125W TO 17S146W TO 20S155W TO 16S165W TO 21S173W. SCATTERED MODERATE TSTMS S OF 14S BETWEEN 142W AND 160W. .24 HOUR FORECAST FRONT FROM 22S120W TO 17S144W...THENCE TROUGH TO 24S160W. WINDS 20 TO 30 KT S OF A LINE FROM 18S130W TO 15S148W TO 23S155W TO 23S164W. .48 HOUR FORECAST FRONT FROM 20S120W TO 15S136W TO 17S150W THENCE TROUGH TO 25S153W. WINDS 20 TO 30 KT S OF A LINE FROM 15S135W TO 17S150W TO 25S152W. .WINDS 20 TO 30 KT S OF 19S BETWEEN 135W AND 165W. .24 HOUR FORECAST WINDS 20 TO 30 KT S OF LINE 25S140W 21S127W 18S141W 25S163W. .48 HOUR FORECAST WINDS EASED 20 KT OR LESS. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 TO 5.5 M S OF LINE 25S120W 06S130W 00S160W 17S172W 20S175E 12S160E. .24 HOUR FORECAST SEAS 2.5 TO 5.5 M S OF LINE 06S120W 00S143W 00S160W 16S160W 20S176W 06S160E. .48 HOUR FORECAST SEAS 2.5 TO 5 M S OF LINE 08S120W 10S140W 20S160W 23S167E 09S1674E 11S160E. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .SCATTERED MODERATE TSTMS N OF 08S BETWEEN 174W AND 165E. SCATTERED MODERATE TSTMS FROM 15S TO 09S BETWEEN 145W AND 153W. $$ .FORECASTER FOSTER. HONOLULU HI.