High Seas Forecast
Issued by NWS
Issued by NWS
631 FZPS40 PHFO 260313 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 0530 UTC THU SEP 26 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC SEP 26 2024. 24 HOUR FORECAST VALID 0000 UTC SEP 27 2024. 48 HOUR FORECAST VALID 0000 UTC SEP 28 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S153W 22S154W 20S156W THENCE TROUGH 16S161W 14S169W 06S176W 05N176E 04S169E. FRONT AND TROUGH MOVING E 10 KT S OF 10S. TROUGH MOVING W SLOWLY ELSEWHERE. SCATTERED MODERATE TSTMS WITHIN 210 NM OF TROUGH W OF 164W. .24 HOUR FORECAST WEAK FRONT 25S148W 23S150W THENCE TROUGH 12S162W 10S179W 04S164E. .48 HOUR FORECAST FRONT DISSIPATED. TROUGH 08S169E 05S160E. .FRONT 25S138W 22S139W 20S142W THENCE TROUGH 15S154W 11S159W. FRONT MOVING E SLOWLY AND DISSIPATING. TROUGH MOVING W SLOWLY. ISOLATED MODERATE TSTMS WITHIN 120 NM OF TROUGH. .24 HOUR FORECAST FRONT DISSIPATED. TROUGH MERGED WITH TROUGH DESCRIBED IMMEDIATELY ABOVE. .48 HOUR FORECAST NEW FRONT NEAR 25S160E. .48 HOUR FORECAST NEW TROUGH 25S126W 23S123W 22S120W. .E TO SE WINDS 20 TO 25 KT W OF LINE 10S175E 19S164E. .24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT W OF LINE 08S169E 18S169E. .48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS. .WINDS 20 KT OR LESS OVER REMAINDER FORECAST AREA. .SEAS 8 TO 9 FT S OF 20S BETWEEN 180E AND 169E. .24 HOUR FORECAST SEAS 8 TO 10 FT S OF LINE 25S164W 22S180E...AND FROM 11S TO 18S BETWEEN 178E AND 173E. .48 HOUR FORECAST SEAS 8 TO 12 FT S OF LINE 25S148W 15S162W 15S172W. .SEAS 8 FT OR LESS OVER REMAINDER FORECAST AREA. .ISOLATED MODERATE TSTMS FROM 04S TO 12S W OF 169E...AND FROM 05S TO 10S BETWEEN 160W AND 169W. $$ .FORECASTER AHUE. HONOLULU HI.