High Seas Forecast
Issued by NWS
Issued by NWS
450 FZPN40 PHFO 271033 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1100 UTC SAT APR 27 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC APR 27 2024. 24 HOUR FORECAST VALID 0600 UTC APR 28 2024. 48 HOUR FORECAST VALID 0600 UTC APR 29 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .LOW JUST N OF FORECAST AREA NEAR 31N171W MOVING N SLOWLY. FRONT 30N170W 26N170W 23N177E NEARLY STATIONARY. WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT N OF 22N BETWEEN 170E AND FRONT. ISOLATED MODERATE TSTMS WITHIN 300 NM OF POINT 28N165W. .24 HOUR FORECAST LOW N OF FORECAST AREA NEAR 31N170W. FRONT 30N165W 24N170W. WINDS 20 TO 25 KT WITHIN 510 NM OF LOW. SEAS 8 TO 10 FT N OF 27N BETWEEN 180W AND 170W. .48 HOUR FORECAST LOW MOVED WELL N OF FORECAST AREA. FRONT 30N162W 25N167W THENCE TROUGH 20N171W. ASSOCIATED WINDS EASED TO 20 KT OR LESS AND SEAS LOWERED TO 8 FT OR LESS. .48 HOUR FORECAST NEW TROUGH 30N163E 27N160E THENCE TROUGH 20N160E. .WINDS 20 TO 25 KT E OF A LINE 30N140W 05N165W 05N140W. .24 HOUR FORECAST WINDS 20 TO 25 KT E OF LINE 25N150W 28N162W 05N162W 05N140W. .48 HOUR FORECAST 25N140W 05N165W 05N140W. .WINDS 20 KT OR LESS OVER REMAINDER OF AREA. .SEAS 8 TO 10 FT FROM 05N TO 20N E OF 165W. .24 HOUR FORECAST SEAS 8 TO 9 FT FROM 07N TO 20N E OF 150W. .48 HOUR FORECAST SEAS 8 TO 9 FT FROM ITCZ TO 15N E OF 160W. .SEAS 8 FT OR LOWER OVER REMAINDER OF AREA. .ITCZ 03N171E 03N149W 05N140W. SCATTERED TSTMS WITHIN 240 NM N OF ITCZ E OF 155W. .ISOLATED MODERATE TSTMS S OF 10S W OF 170E. $$ .FORECASTER PECHACEK. HONOLULU HI.