RSS Feeds
High Seas Forecast
Issued by NWS
Issued by NWS
000 FZPS40 PHFO 181041 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1130 UTC THU APR 18 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E SYNOPSIS VALID 0600 UTC APR 18 2024. 24 HOUR FORECAST VALID 0600 UTC APR 19 2024. 48 HOUR FORECAST VALID 0600 UTC APR 20 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH FROM 09S162E TO 1SS162W TO 15S171W 25S160W. TROUGH MOVING E SLOWLY E OF 175W. TROUGH MOVING SW SLOWLY ELSEWHERE. E TO SE WINDS 20 TO 25 KT S OF TROUGH W OF 175W. SCATTERED STRONG TSTMS WITHIN 360 NM OF POINT 31S160E. SCATTERED MODERATE TSTMS WITHIN 210 NM OF TROUGH W OF 170W. ISOLATED MODERATE TSTMS WITHIN 150 NM OF TROUGH ELSEWHERE. .24 HOUR FORECAST TROUGH FROM 08S175W TO 18S161W TO 24S157W. E TO SE WINDS 20 TO 25 KT S OF TROUGH BETWEEN 170E AND 170W. .48 HOUR FORECAST TROUGH FROM 18S161W TO 25S152W. E TO SE WINDS 20 TO 25 KT S OF TROUGH BETWEEN 170E AND 160W. .TROUGH FROM 10S153W TO 21S120W MOVING S SLOWLY. WINDS 20 TO 30 KT S OF TROUGH E OF 140W. .24 HOUR FORECAST TROUGH FROM 17S132W TO 20S120W. .48 HOUR FORECAST TROUGH MOVED E OF FORECAST AREA. .TROUGH FROM 05S140W TO 08S138W TO 10S130W MOVING W SLOWLY. .24 HOUR FORECAST TROUGH DISSIPATED. .TROUGH FROM 14S160E TO 18S165E MOVING W SLOWLY. .24 HOUR FORECAST TROUGH MOVED W OF FORECAST AREA. .OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF AREA. .SEAS 8 TO 10 FT S OF 15S W OF 180W...AND S OF 18S E OF 140W. .24 HOUR FORECAST SEAS 8 TO 12 FT S OF 18S E OF 135W...AND S OF 15S BETWEEN 180W AND 170E. .48 HOUR FORECAST SEAS 8 TO 12 FT S OF 17S E OF 140W. .OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA. .ISOLATED MODERATE TSTMS N OF 05S BETWEEN 120W AND 140W. $$ .FORECASTER PECHACEK. HONOLULU HI.
