High Seas Forecast
Issued by NWS
Issued by NWS
646 FZPS40 PHFO 201050 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1130 UTC THU JUN 20 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC JUN 20 2024. 24 HOUR FORECAST VALID 0600 UTC JUN 21 2024. 48 HOUR FORECAST VALID 0600 UTC JUN 22 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S125W 20S127W 13S136W THENCE TROUGH 04S145W MOVING E 10 KT S OF 20S AND E SLOWLY ELSEWHERE. WINDS 20 TO 30 KT S OF 21S E OF 137W. ISOLATED MODERATE TSTMS WITHIN 120 NM E OF FRONT S OF 17S. .24 HOUR FORECAST FRONT 24S120W 20S125W THENCE TROUGH 12S134W. WINDS EASED TO 20 KT OR LESS. .48 HOUR FORECAST FRONT MOVED E OF AREA. TROUGH 21S120W 19S123W. .FRONT 25S169W 20S175W 17S177E THENCE TROUGH 03S162E MOVING NE 15 KT E OF 175W AND NEARLY STATIONARY ELSEWHERE. SE WINDS 20 TO 25 KT FROM 14S TO 08S W OF 165E. NUMEROUS MODERATE TO LOCALLY STRONG TSTMS FROM 13S TO 01S W OF 171E. ISOLATED MODERATE TSTMS WITHIN 120 NM E OF FRONT S OF 22S. .24 HOUR FORECAST FRONT 25S161W 16S170W 15S160E. TROUGH DISSIPATED. WINDS 20 TO 25 KT S OF 23S BETWEEN 175W AND 151W...AND FROM 18S TO 11S W OF 175E. .48 HOUR FORECAST FRONT 25S152W 14S168W 14S160E. WINDS 20 TO 30 KT S OF A LINE 25S141W 19S153W 20S176W. WINDS 20 TO 25 KT FROM 16S TO 11S W OF 178W. .SEAS 12 TO 13 FT S OF 21S BETWEEN 141W AND 121W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 00S120W 17S153W. .24 HOUR FORECAST SEAS 8 TO 12 FT S OF 22S BETWEEN 154W AND 178W. SEAS 8 TO 10 FT S OF 18S E OF 135W...AND FROM 17S TO 12S W OF 175E. .48 HOUR FORECAST SEAS 12 TO 14 FT S OF 23S BETWEEN 165W AND 175W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 25S144W 19S155W 18S173W 25S179E. SEAS 8 TO 10 FT FROM 16S TO 10S BETWEEN 178W AND 171E. SEAS 8 TO 9 FT FROM 16S TO 06S E OF 130W. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS. $$ .FORECASTER ALMANZA. HONOLULU HI.