


High Seas Forecast
Issued by NWS
Issued by NWS
656 FZPN40 PHFO 060925 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1100 UTC SUN JUL 06 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC JUL 06 2025. 24 HOUR FORECAST VALID 0600 UTC JUL 07 2025. 48 HOUR FORECAST VALID 0600 UTC JUL 08 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .24 HOUR FORECAST NEW TROUGH 09N169E 03N163E. .48 HOUR FORECAST TROUGH MOVED W OF AREA. .48 HOUR FORCAST NEW TROUGH 24N172E 20N168E. WINDS 20 TO 25 KT WITHIN 150 NM E OF TROUGH. .E WINDS 20 TO 25 KT FROM 11N TO 22N BETWEEN 165W AND 145W. .24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 08N TO 25N BETWEEN 170W AND 150W. .48 HOUR FORECAST E WINDS 20 TO 25 KT FROM 10N TO 25N BETWEEN 165W AND 145W. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 10N TO 17N BETWEEN 163W AND 153W. .48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 10N TO 14N BETWEEN 170W AND 160W. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ITCZ 08N140W 06N152W 03N170W 02N175E. SCATTERED MODERATE TSTMS WITHIN 150 NM OF ITCZ BETWEEN 160W AND 147W. ISOLATED MODERATE TSTMS WITHIN 90 NM OF ITCZ W OF 165W. .ISOLATED MODERATE TSTMS FROM 20N TO 25N BETWEEN 172E AND 179E... AND FROM 26N TO 30N BETWEEN 178E AND 178W. $$ .FORECASTER SHIGESATO. HONOLULU HI.