High Seas Forecast
Issued by NWS
Issued by NWS
330 FZPS40 PHFO 111529 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1730 UTC TUE JUN 11 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC JUN 11 2024. 24 HOUR FORECAST VALID 1200 UTC JUN 12 2024. 48 HOUR FORECAST VALID 1200 UTC JUN 13 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .COLD FRONT FROM 25S134W TO 20S140W THENCE TROUGH TO 15S150W TO 12S162W. COLD FRONT MOVING E 20 KT AND TROUGH MOVING S SLOWLY. ISOLATED MODERATE TSTMS FROM 10S TO 14S BETWEEN 153W AND 159W. .24 HOUR FORECAST FRONT FROM 25S128W TO 20S131W THENCE TROUGH TO 12S149 TO 08S166W. .48 HOUR FORECAST DISSIPATING FRONT FROM 25S122W TO 21S125W THENCE TROUGH TO 15S142W. .COLD FRONT FROM 25S175E TO 19S168E THENCE STATIONARY FRONT TO 15S160E. COLD FRONT MOVING E 10 KT. ISOLATED MODERATE TSTMS S OF 23S BETWEEN 177E AND 172E. N WINDS 20 TO 25 KT S OF 23S BETWEEN 178W AND 175E. .24 HOUR FORECAST DISSIPATING FRONT FROM 25S177W TO 20S173E THENCE TROUGH TO 15S169E TO 09S160E. ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS. .48 HOUR FORECAST FRONT MOVED S OF AREA. TROUGH FROM 25S178W TO 14S171E TO 07S161E. .TROUGH FROM 06S160E TO 08S164E TO 13S168E MOVING W 10 KT. ISOLATED MODERATE TSTMS FROM 12S TO 15S BETWEEN 172E AND 166E. .24 HOUR FORECAST TROUGH MERGED WITH FRONT AND TROUGH DESCRIBED IMMEDIATELY ABOVE. .E TO SE WINDS 20 TO 25 KT FROM 12S TO 21S BETWEEN 148W AND 171W. .24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 12S TO 17S BETWEEN 149W AND 162W. .48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS. .TROUGH FROM 06S176W TO 09S172W TO 13S170W MOVING W SLOWLY. ISOLATED MODERATE TSTMS FROM 09S TO 15S BETWEEN 167W AND 170W. .24 HOUR FORECAST TROUGH FROM 07S176W TO 19S174W. .48 HOUR FORECAST TROUGH DISSIPATED. .36 HOUR FORECAST NEW FRONT FROM 25S168E TO 21S160E. SW TO W WINDS 20 TO 25 KT S OF FRONT. .48 HOUR FORECAST FRONT FROM 25S171E TO 18S160E. SW TO W WINDS 20 TO 30 KT S OF 21S W OF 172E. .SEAS 12 TO 15 FT S OF A LINE FROM 25S139W TO 15S155W TO 13S171W. SEAS 8 TO 12 FT ELSEWHERE S OF A LINE FROM 25S131W TO 14S147W TO 08S165W TO 08S179W. ALSO SEAS 8 TO 9 FT FROM 02S TO 20S E OF 132W. .24 HOUR FORECAST SEAS 8 TO 12 FT ENTIRE AREA S OF A LINE FROM 25S120W TO 11S136W TO 01S151W TO 00S174W. .48 HOUR FORECAST SEAS 12 TO 15 FT S OF 23S W OF 164E. SEAS 8 TO 12 FT ELSEWHERE S OF 21S W OF 171E. ALSO SEAS 8 TO 10 N OF 20S BETWEEN 145W AND 179W...S OF 20S E OF 153W...AND FROM 08S TO 20S E OF 142W. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS. $$ .FORECASTER BIRCHARD. HONOLULU HI.