High Seas Forecast
Issued by NWS
Issued by NWS
315 FZPN40 PHFO 062233 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 2300 UTC MON MAY 06 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 MAY 06 2024. 24 HOUR FORECAST VALID 1800 UTC MAY 07 2024. 48 HOUR FORECAST VALID 1800 UTC MAY 08 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 28N178W 25N178W 21N175W MOVING W SLOWLY. .24 HOUR FORECAST TROUGH 23N178E 18N177W. .48 HOUR FORECAST TROUGH 22N174E 18N176E. .WINDS 20 TO 25 KT FROM 05N TO 25N E OF 165W...AND FROM 05N TO 15N W OF 165W. .24 HOUR FORECAST WINDS 20 TO 25 KT FROM 05N TO 15N ACROSS THE ENTIRE FORECAST AREA. .48 HOUR FORECAST WINDS 20 TO 25 KT FROM 05N TO 15N BETWEEN 175W AND 155W...AND N OF 05 W OF 175W. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 8 TO 9 FT FROM 05N TO 15N E OF 170W...AND FROM 20N TO 28N BETWEEN 170W AND 155W. .24 HOUR FORECAST SEAS DIMINISHED TO 8 FT OR LESS. .OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA. .ITCZ FROM 00N171E 05N170W 04N162W 05N155W 06N140W. ISOLATED MODERATE TSTMS WITHIN 300 NM N OF ITCZ W OF 160W AND E OF 155W. $$ .FORECASTER PECHACEK. HONOLULU HI.