High Seas Forecast
Issued by NWS
Issued by NWS
769 FZPS40 PHFO 242230 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 2330 UTC TUE SEP 24 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL OCTOBER 16 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND GRAPHICAL PRODUCTS FOR THE OFFSHORE AND HIGH SEAS AREAS ONLY. TO LEARN MORE PLEASE VISIT HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP SECURITE SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E SYNOPSIS VALID 1800 UTC SEP 24 2024. 24 HOUR FORECAST VALID 1800 UTC SEP 25 2024. 48 HOUR FORECAST VALID 1800 UTC SEP 26 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .LOW NEAR 24S147W 1014 MB. TROUGH FROM LOW TO 17S150W. TROUGH AND LOW MOVING SW 10 KT. .24 HOUR FORECAST LOW MOVED S OF AREA. TROUGH 25S143W TO 21S144W TO 19S145W. .48 HOUR FORECAST TROUGH FROM 25S138W TO 21S139W. .TROUGH FROM 25S161W TO 20S160W TO 157S163W. TROUGH MOVING E 10 KT. .24 HOUR FORECAST TROUGH BECOMES FRONT FROM 25S154W TO 18S152W TO 15S155W. .48 HOUR FORECAST FRONT FROM 25S147W TO 22S153W THENCE TROUGH TO 15S157W. .TROUGH FROM 10S170W TO 03S177E MOVING SW 10 KT. SE WINDS 20 TO 25 KT FR WITHIN 240 NM OF TROUGH. .24 HOUR FORECAST TROUGH FROM 14S169W TO 05S175E. SE WINDS 20 TO 25 KT FROM 19S TO 10S BETWEEN 177W AND 163E. .48 HOUR FORECAST TROUGH FROM 14S172W TO 06S169E. SE WINDS 20 TO 25 KT FROM 15S TO 08S BETWEEN 174W AND 163E. .E TO SE WINDS 20 TO 25 KT FROM 18S TO 12S E OF 133W. .24 HOUR FORECAST WINDS DECREASED TO 20 KT OR BELOW. .WINDS 20 KT OR LESS REMAINDER FORECAST AREA. .48 HOUR FORECAST SEAS 8 TO 9 FT S OF 12S BETWEEN 180W AND 174E. .SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. $$ .FORECASTER FOSTER. HONOLULU HI.