High Seas Forecast
Issued by NWS
Issued by NWS
885 FZPN40 PHFO 220245 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 0500 UTC WED MAY 22 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 22 2024. 24 HOUR FORECAST VALID 0000 UTC MAY 23 2024. 48 HOUR FORECAST VALID 0000 UTC MAY 24 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH FROM 29N160W TO 25N163W TO 21N166W MOVING W 10 KT. ISOLATED MODERATE TSTMS WITHIN 180 NM OF TROUGH N OF 22N. .24 HOUR FORECAST TROUGH FROM 30N163W TO 22N167W. .48 HOUR FORECAST TROUGH FROM 30N164W TO 26N164W. .NE TO E WINDS 20 TO 25 KT FROM 28N TO 07N E OF 155W. .24 HOUR FORECAST E TO NE WINDS FROM 07N TO 25N E OF 165W. .48 HOUR FORECAST WINDS 20 TO 25 KT FROM 08N TO 20N E OF 160W. .SEAS 8 TO 9 FT FROM 08N TO 20N E OF 145W. .24 HOUR FORECAST SEAS 8 TO 9 FT FROM 08N TO 18N E OF 150W. .48 HOUR FORECAST SEAS 8 TO 9 FT FROM 08N TO 13N E OF 158W. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS. .ITCZ FROM 01N172E 05N178W 03N168W 05N149W 07N150W 08N140W. ISOLATED MODERATE TSTMS WITHIN 180 NM OF ITCZ E OF 175W AND W OF 160W. $$ .FORECASTER PECHACEK. HONOLULU HI.