High Seas Forecast
Issued by NWS
Issued by NWS
884 FZPN40 PHFO 312239 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 2300 UTC FRI MAY 31 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 31 2024. 24 HOUR FORECAST VALID 1800 UTC JUN 01 2024. 48 HOUR FORECAST VALID 1800 UTC JUN 02 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 30N172W 19N175E MOVING W SLOWLY AND ERODING FROM THE N. ISOLATED MODERATE TSTMS WITHIN 300 NM SE OF TROUGH S OF 26N. .24 HOUR FORECAST TROUGH DISSIPATED. .LOW 19N144W 1010 MB MOVING W SLOWLY. .24 HOUR FORECAST LOW 07N146W 1010 MB. .48 HOUR FORECAST LOW DISSIPATED. .48 HOUR FORECAST NEW LOW 09N142W 1012 MB. NE TO E WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT WITHIN 360 NM N SEMICIRCLE OF LOW. .NE WINDS 20 TO 25 KT FROM 10N TO 18N BETWEEN 155W AND 170W. .24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 12N TO 24N BETWEEN 150W AND 170W. .48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 10N TO 25N BETWEEN 150W AND 175W. .OTHERWISE...WINDS 20 KT OR LESS ANS SEAS 8 FT OR LESS OVER REMAINDER OF FORECAST AREA. .ITCZ 07N140W 07N145W 04N157W. ISOLATED MODERATE TSTMS WITHIN 60 NM OF ITCZ. .ISOLATED MODERATE TSTMS FROM 02N TO 10N BETWEEN 175E AND 165E. $$ .FORECASTER ALMANZA. HONOLULU HI.