High Seas Forecast
Issued by NWS
Issued by NWS
167 FZPN40 PHFO 011503 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1700 UTC WED MAY 01 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 MAY 01 2024. 24 HOUR FORECAST VALID 1200 UTC MAY 02 2024. 48 HOUR FORECAST VALID 1200 UTC MAY 03 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WEAK TROUGH 30N160W 25N161W 21N164W NEARLY STATIONARY. .24 HOUR FORECAST TROUGH LITTLE CHANGE. .48 HOUR FORECAST TROUGH 30N165W 25N168W 22N171W. .WEAK TROUGH 24N175E 20N177E 16N177E MOVING W SLOWLY. WINDS 20 TO 25 KT FROM 21N TO 25N BETWEEN 175E AND 180W. ISOLATED MODERATE TSTMS WITHIN 120 NM E OF TROUGH. .24 HOUR FORECAST TROUGH DISSIPATED. .TROUGH 25N162E 21N161E MOVING W 10 KT. .24 HOUR FORECAST TROUGH MOVED W OF FORECAST AREA. .NE TO E WINDS 20 TO 25 KT FROM 10N TO 17N E OF 153W... AND FROM 06N TO 10N W OF 170E. .24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 04N TO 17N E OF 162W. .48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 18N E OF 170W... AND FROM 18N TO 25N E OF 160W. .WINDS 20 KT OR LESS OVER REMAINDER OF AREA. .SEAS 8 FT OR LOWER OVER REMAINDER OF AREA. .ITCZ 06N140W 03N160W 00N174W 01N170E 02N160E. ISOLATED MODERATE TSTMS WITHIN 90 NM OF ITCZ E OF 165W... AND WITHIN 120 NM N OF ITCZ W OF 170E. $$ .FORECASTER SHIGESATO. HONOLULU HI.