High Seas Forecast
Issued by NWS
Issued by NWS
911 FZPN40 PHFO 251016 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1100 UTC SAT MAY 25 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 MAY 25 2024. 24 HOUR FORECAST VALID 0600 UTC MAY 26 2024. 48 HOUR FORECAST VALID 0600 UTC MAY 27 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 30N167W 23N168W 19N171W MOVING W SLOWLY. ISOLATED MODERATE TSTMS WITHIN 300 NM E OF TROUGH N OF 25N. SE WINDS 20 TO 25 KT N OF 27N BETWEEN 160W AND TROUGH. .24 HOUR FORECAST NEW LOW 24N168W 1015 MB. TROUGH 30N170W TO LOW 19N170W. E TO SE WINDS 20 TO 25 KT N OF 27N BETWEEN 162W AND TROUGH. .48 HOUR FORECAST LOW 25N169W 1015 MB. TROUGH 28N174W TO LOW TO 18N173W. NE TO E WINDS 20 TO 25 KT N OF 27N BETWEEN 160W AND 170W. .TROUGH 28N171E 20N170E MOVING W SLOWLY. .24 HOUR FORECAST TROUGH 28N168E 22N168E. .48 HOUR FORECAST WEAK TROUGH 28N164E 23N163E. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS. .ITCZ 06N140W 07N170E 05N160E. ISOLATED MODERATE TSTMS WITHIN 240 NM N OF ITCZ. $$ .FORECASTER ALMANZA. HONOLULU HI.