High Seas Forecast
Issued by NWS
Issued by NWS
143 FZPS40 PHFO 191532 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1730 UTC SAT OCT 19 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC OCT 19 2024. 24 HOUR FORECAST VALID 1200 UTC OCT 20 2024. 48 HOUR FORECAST VALID 1200 UTC OCT 21 2024. .WARNINGS. ...GALE WARNING... .LOW NEAR 25S179E 1002 MB MOVING S 15 KT. FRONT 23S179E 23S177E 24S175W 17S175W 08S173E THENCE TROUGH 06S160E MOVING SE 15 KT. FRONT 24S175W 24S170W 22S166W. FRONT MOVING SE 10 KT. WINDS 30 TO 40 KT S OF 21S BETWEEN 169W AND 164W. WINDS 20 TO 30 KT ELSEWHERE S OF 17S BETWEEN 172W AND 150W. ISOLATED MODERATE TSTMS FROM 23S TO 15S BETWEEN 174W AND 167W. .24 HOUR FORECAST LOW MOVED S OF AREA. FRONT 25S166W 14S177W. WINDS 20 TO 30 KT S OF 20S BETWEEN 178E AND 153W. .48 HOUR FORECAST FRONT 25S164W 19S168W. WINDS EASED TO 20 KT OR LESS. .SYNOPSIS AND FORECAST. .FRONT 25S137W 21S140W THENCE TROUGH 16S147W 15S157W. FRONT AND TROUGH MOVING E 15 KT. ISOLATED MODERATE TSTMS FROM 24S TO 20S BETWEEN 145W AND 139W. .24 HOUR FORECAST FRONT 25S126W 20S131W THENCE TROUGH 15S140W 12S149W. .48 HOUR FORECAST FRONT 25S123W 21S127W. TROUGH DISSIPATED. .24 HOUR FORECAST NEW TROUGH 12S165W 08S175W 04S178E. .48 HOUR FORECAST TROUGH 11S158W 08S176W 06S175E. .WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA. .SEAS 12 TO 18 FT S OF LINE 25S165W 20S163W 23S176W 20S178E 20S172E 25S171E. SEAS 8 TO 12 FT ELSEWHERE S OF 16S BETWEEN 166E AND 143W. SEAS 8 TO 10 FT S OF 01S E OF 134W. .24 HOUR FORECAST SEAS 8 TO 12 FT S OF LINE 01S121W 05S129W 21S132W 14S157W 20S166W 17S170E 25S164E. .48 HOUR FORECAST SEAS 8 TO 10 FT S OF LINE 07S120W 18S148W 25S174E. .SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA $$ .FORECASTER TROTTER. HONOLULU HI.