High Seas Forecast
Issued by NWS
Issued by NWS
061 FZPN40 PHFO 250326 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 0500 UTC SAT MAY 25 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC MAY 25 2024. 24 HOUR FORECAST VALID 0000 UTC MAY 26 2024. 48 HOUR FORECAST VALID 0000 UTC MAY 27 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 30N167W 25N169W 20N170W MOVING W SLOWLY. ISOLATED MODERATE TSTMS WITHIN 270 NM E OF TROUGH N OF 25N. .24 HOUR FORECAST TROUGH 30N168W 24N170W. .48 HOUR FORECAST TROUGH 26N166W 20N172W. NE TO E WINDS 20 TO 25 KT WITHIN 120 NM OF TROUGH N OF 27N. .TROUGH 27N174E 20N172E MOVING W 10 KT. .24 HOUR FORECAST TROUGH 27N168E 21N169E. .48 HOUR FORECAST TROUGH DISSIPATED .NE TO E WINDS 20 TO 25 KT FROM 10N TO 25N BETWEEN 160W AND 155W. .24 HOUR FORECAST WINDS EASED TO 20 KT OR LESS. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS. .ITCZ 07N140W 06N169W O5N172E 05N160E. ISOLATED MODERATE TSTMS WITHIN 240 NM N OF ITCZ...AND WITHIN 150 NM S OF ITCZ E OF 180W. $$ .FORECASTER PECHACEK. HONOLULU HI.