High Seas Forecast
Issued by NWS
Issued by NWS
804 FZPN40 PHFO 271532 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1700 UTC SAT APR 27 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC APR 27 2024. 24 HOUR FORECAST VALID 1200 UTC APR 28 2024. 48 HOUR FORECAST VALID 1200 UTC APR 29 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .LOW JUST N OF FORECAST AREA NEAR 31N172W MOVING N SLOWLY. FRONT 30N171W 27N170W 21N177E 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 E OF FRONT N OF 23N. .24 HOUR FORECAST LOW N OF FORECAST AREA NEAR 31N170W. FRONT 30N165W 24N170W 20N178W. ASSOCIATED WINDS EASED TO 20 KT OR LESS AND SEAS LOWERED TO 8 FT OR LESS. .48 HOUR FORECAST LOW MOVED WELL N OF FORECAST AREA. FRONT 30N162W 23N167W THENCE TROUGH 21N172W. .48 HOUR FORECAST NEW TROUGH 30N165E 28N160E THENCE TROUGH 20N160E. .WINDS 20 TO 25 KT E OF A LINE 30N140W 10N165W 05N165W. .24 HOUR FORECAST WINDS 20 TO 25 KT E OF LINE 30N140W 15N160W 05N160W 05N140W. .48 HOUR FORECAST 20 TO 25 KT 25N140W 05N160W 05N140W. .WINDS 20 KT OR LESS OVER REMAINDER OF AREA. .SEAS 8 TO 10 FT FROM 05N TO 20N E OF 160W. .24 HOUR FORECAST SEAS 8 TO 9 FT FROM 06N TO 20N E OF 160W. .48 HOUR FORECAST SEAS 8 TO 9 FT FROM ITCZ TO 15N E OF 165W. .SEAS 8 FT OR LOWER OVER REMAINDER OF AREA. .ITCZ 02N174E 04N160W 03N140W. SCATTERED TSTMS WITHIN 240 NM N OF ITCZ E OF 155W...AND WITHIN 300 NM OF POINT 05S165E. .ISOLATED MODERATE TSTMS S OF 10N W OF 170E. $$ .FORECASTER PECHACEK. HONOLULU HI.