High Seas Forecast
Issued by NWS
Issued by NWS
858 FZPN40 PHFO 311027 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1100 UTC FRI MAY 31 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC MAY 31 2024. 24 HOUR FORECAST VALID 0600 UTC JUN 01 2024. 48 HOUR FORECAST VALID 0600 UTC JUN 02 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 30N171W 21N179W MOVING W SLOWLY. SCATTERED MODERATE TO STRONG TSTMS WITHIN 300 NM OF TROUGH S OF 25S. .24 HOUR FORECAST WEAK TROUGH 30N172W 26N177W 22N178W. .48 HOUR FORECAST TROUGH DISSIPATED. .WINDS 20 TO 30 KT FROM 08N TO 25N E OF 160W. .24 HOUR FORECAST WINDS 20 TO 25 KT WITHIN 400 NM OF LINE 10N175W 20N150W 18N140W. .48 HOUR FORECAST WINDS 20 TO 30 KT BETWEEN LINE 10N180W 05N160W 10N140W AND 20N180W 28N155W 25N140W. .REMAINDER OF AREA...WINDS 20 KT OR LESS AND SEAS 8 FT OR LESS. .ITCZ 00N171W 05N163W 04N153W 08N145W 08N140W...AND 09N160E 09N165E. SCATTERED MODERATE TSTMS WITHIN 240 NM OF ITCZ E OF 165W AND W OF 165E. $$ .FORECASTER PECHACEK. HONOLULU HI.