


High Seas Forecast
Issued by NWS
Issued by NWS
581 FZPN40 PHFO 130250 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 0500 UTC SUN JUL 13 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC JUL 13 2025. 24 HOUR FORECAST VALID 0000 UTC JUL 14 2025. 48 HOUR FORECAST VALID 0000 UTC JUL 15 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .E TO SE WINDS 20 TO 30 KT FROM 02N TO 09N BETWEEN 175W AND 165E. .24 HOUR FORECAST WINDS EASED TO 20 KT OR LESS. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 TO 3 M FROM 00N TO 12N BETWEEN 160W TO 175E...AND S OF 04N E OF 155W. .24 HOUR FORECAST SEAS EASED 2.5 M OR LESS. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ITCZ FROM 06N140W 06N170W 06N160E. SCATTERED MODERATE TO LOCALLY STRONG TSTMS WITHIN 180 NM OF ITCZ W OF 170W. .ISOLATED MODERATE TSTMS FROM 17N TO 23N BETWEEN 170E AND 160E. $$ .FORECASTER ALMANZA. HONOLULU HI.