High Seas Forecast
Issued by NWS
Issued by NWS
580 FZPS40 PHFO 252315 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 2330 UTC TUE JUN 25 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 JULY 29 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 JUN 25 2024. 24 HOUR FORECAST VALID 1800 UTC JUN 26 2024. 48 HOUR FORECAST VALID 1800 UTC JUN 27 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .COLD FRONT FROM 25S133W TO 22S136W THENCE STATIONARY FRONT TO 15S149W TO 10S162W THENCE TROUGH TO 08S171W TO 05S178W. COLD FRONT MOVING E SLOWLY. SE WINDS 20 TO 25 KT WITHIN 150 NM S OF FRONT AND TROUGH BETWEEN 145W AND 173W. SCATTERED MODERATE TSTMS WITHIN 150 NM S OF TROUGH W OF 175W...AND WITHIN 90 NM OF TROUGH E OF 171W. .24 HOUR FORECAST FRONT DISSIPATED. TROUGH FROM 25S134W TO 18S148W TO 10S175W. SE WINDS 20 TO 25 KT FROM 16S TO 22S BETWEEN 144W AND 155W. .48 HOUR FORECAST TROUGH DISSIPATED. .TROUGH FROM 02S160E TO 06S165E TO 09S172E NEARLY STATIONARY. SCATTERED STRONG TSTMS WITHIN 180 NM OF TROUGH. .24 HOUR FORECAST TROUGH FROM 03S160E TO 07S173E TO 10S175W. .48 HOUR FORECAST TROUGH FROM 04S160E TO 09S176E TO 11S170W. .COLD FRONT FROM 25S175W TO 21S179E MOVING E 15 KT. .24 HOUR FORECAST WEAK FRONT FROM 25S169W TO 21S177W. .48 HOUR FORECAST FRONT DISSIPATED. .WINDS SE 20 TO 25 KT FROM 19S TO 06S W OF FIRST FRONT MENTIONED ABOVE. .24 HOUR FORECAST WINDS E TO SE 20 TO 25 KT FROM 18S TO 09S E OF 134W...AND FROM 18S TO 06S W OF 179W. .48 HOUR FORECAST WINDS E 20 TO 25 KT FROM 18S TO 08S E OF 140W...AND S OF 01S BETWEEN 140W AND 166W AND FROM 18S TO 07S W OF 177E. .SEAS 8 TO 11 FT S OF A LINE FROM 25S132W TO 10S152W TO 05S167W TO 05S175E TO 05S160E...EXCEPT SEAS 8 FT OR LESS S OF A LINE FROM 25S162W TO 20S173W TO 20S160E. SEAS 8 TO 9 FT FROM 07S TO 15S E OF 130W. .24 HOUR FORECAST SEAS 8 TO 12 FT S OF 22S BETWEEN 170W AND 175E. SEAS 8 TO 11 FT FROM 02S TO 18S W OF 174E...AND WITHIN 180 NM OF A LINE FROM 11S171W TO 13S160W TO 18S155W TO 21S148W TO 25S139W. .48 HOUR FORECAST SEAS 8 TO 10 FT FROM 03S TO 20S E OF 140W... ENTIRE AREA BETWEEN 140W AND 160W...S OF 18S BETWEEN 160W AND 180W...AND FROM 03S TO 18S W OF 175E. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS. .ISOLATED MODERATE TSTMS FROM 03S TO 05S BETWEEN 178E AND 167E. $$ .FORECASTER BIRCHARD. HONOLULU HI.