FZPN40 PHFO 162238 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 2300 UTC FRI AUG 16 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC AUG 16 2024. 24 HOUR FORECAST VALID 1800 UTC AUG 17 2024. 48 HOUR FORECAST VALID 1800 UTC AUG 18 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 30N175W 26N177W 24N179E NEARLY STATIONARY. ISOLATED MODERATE TSTMS WITHIN 120 NM OF TROUGH N OF 28N. .24 HOUR FORECAST TROUGH LITTLE CHANGE. .48 HOUR FORECAST TROUGH 30N175W 27N176W. .TROUGH 14N164E 07N160E MOVING W SLOWLY. SCATTERED MODERATE TSTMS WITHIN 120 NM OF TROUGH. .24 HOUR FORECAST TROUGH MOVED W OF FORECAST AREA. .24 HOUR FORECAST NEW LOW 1014 MB NEAR 14N143W. .48 HOUR FORECAST LOW 1012 MB NEAR 13N144W. .WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER ENTIRE FORECAST AREA. .MONSOON TROUGH 13N140W 10N150W 08N160W THENCE ITCZ TO 09N170W 10N177W 07N171E. ISOLATED MODERATE TSTMS WITHIN 180 NM OF MONSOON TROUGH AND ITCZ. .SCATTERED MODERATE TSTMS FROM 11N TO 14N BETWEEN 170W AND 175W. $$ .FORECASTER POWELL. HONOLULU HI.