High Seas Forecast
Issued by NWS
Issued by NWS
922 FZPS40 PHFO 161126 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1130 UTC THU MAY 16 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E SYNOPSIS VALID 0600 UTC MAY 16 2024. 24 HOUR FORECAST VALID 0600 UTC MAY 17 2024. 48 HOUR FORECAST VALID 0600 UTC MAY 18 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH FROM 20S140W TO 25S141W MOVING E 10 KT. .24 HOUR FORECAST TROUGH BECOMING FRONT FROM 11S149W TO 18S138W TO 25S134W. .48 HOUR FORECAST FRONT FROM 11S157W TO 16S136W TO 25S126W. .TROUGH FROM 09S173E TO 13S177E TO 25S179E MOVING SW SLOWLY. SCATTERED STRONG TO MODERATE TSTMS WITHIN 300 NM E OF TROUGH. .24 HOUR FORECAST TROUGH FROM 08S170E TO 18S178E. .48 HOUR FORECAST TROUGH FROM 06S160E TO 25S175E. .TROUGH FROM 01S160E TO 03S165E TO 05S173E NEARLY STATIONARY. ISOLATED MODERATE TSTMS WITHIN 90 NM EITHER SIDE OF TROUGH. .24 HOUR FORECAST TROUGH FROM 01S160E TO 07S174E. .48 HOUR FORECAST TROUGH FROM 04S160E TO 11S166E AND MERGING WITH SECOND TROUGH ABOVE. .E TO SE WINDS 20 TO 30 KT S 09S BETWEEN 145W AND 179W. SE WINDS 20 TO 25 KT S OF A LINE FROM 22S178E TO 11S167E TO 11S160E. .24 HOUR FORECAST NW WINDS 25 KT S OF 24S BETWEEN 132W AND 137W. E TO SE WINDS 20 TO 30 KT S OF 10S BETWEEN 145W AND 174W. SE WINDS 20 TO 25 KT S OF A LINE FROM 25S178E TO 09S160E. .48 HOUR FORECAST SW TO NE WINDS 20 TO 30 KT S OF 23S E OF 140W. SE TO E WINDS 20 TO 30 KT S OF 11S BETWEEN 140W AND 165W. .OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 12 TO 14 FT S OF A LINE FROM 24S135W TO 19S150W TO 19S170W. SEAS 8 TO 12 FT ELSEWHERE S OF A LINE FROM 15S120W TO 14S129W TO 20S135W TO 10S162W TO 20S178E. .24 HOUR FORECAST SEAS 8 TO 12 FT S OF A LINE FROM 13S120W TO 21S135W TO 10S153W TO 14S171W. SEAS 8 TO 9 FT S OF 25S BETWEEN 176E AND 169E. .48 HOUR FORECAST SEAS 12 TO 14 FT S OF 24S BETWEEN 131W AND 140W. SEAS 8 TO 12 FT ELSEWHERE S OF A LINE FROM 24S123W AND 09S161W. SEAS 8 TO 9 FT S OF 22S BETWEEN 177E AND 167E. .OTHERWISE...SEAS 8 FT OR UNDER OVER REMAINDER OF FORECAST AREA. .ISOLATED MODERATE TSTMS WITHIN 60 NM OF 11S160W. $$ .FORECASTER BLOOD. HONOLULU HI.