


High Seas Forecast
Issued by NWS
Issued by NWS
698 FZPN40 PHFO 052127 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 2300 UTC THU JUN 05 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W 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 30N173W 27N178W 30N168E NEARLY STATIONARY. ISOLATED MODERATE TSTMS N OF 24N BETWEEN 173W AND 178E. .24 HOUR FORECAST FRONT MERGED WITH TROUGH DESCRIBED BELOW. .TROUGH 28N174W 22N178W MOVING SE SLOWLY. SCATTERED MODERATE TSTMS N OF 20N BETWEEN 170W AND 179W. .24 HOUR FORECAST 30N175W TO 23N178W. .48 HOUR FORECAST 30N175W TO 22N175E TO 18N169E. .WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA. .SEAS 2.5 TO 3 M N OF 16N E OF 154W. .24 HOUR FORECAST SEAS 2.5 TO 3 M N OF 23N E OF 148W...AND S OF 10N BETWEEN 142W AND 160W. .48 HOUR FORECAST SEAS 2.5 TO 3 M S OF 14N E OF 159W. .SEAS 2.5 M OR LOWER REMAINDER OF FORECAST AREA. .ITCZ 07N140W 07N160W. .ISOLATED MODERATE TSTMS FROM 13N TO 07N W OF 173W. $$ .FORECASTER FOSTER. HONOLULU HI.