High Seas Forecast
Issued by NWS
Issued by NWS
117 FZPS40 PHFO 271033 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1130 UTC SAT APR 27 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC APR 27 2024. 24 HOUR FORECAST VALID 0600 UTC APR 28 2024. 48 HOUR FORECAST VALID 0600 UTC APR 29 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S172W 21S178W THENCE TROUGH 15S170E 12S160E. FRONT MOVING SE SLOWLY. TROUGH NEARLY STATIONARY. WINDS 20 TO 25 KT S OF TROUGH W OF 172E. SCATTERED MODERATE TSTMS WITHIN 210 NM OF TROUGH W OF 180W. .24 HOUR FORECAST FRONT MOVED S OF FORECAST AREA. TROUGH 25S172W 20S180W 14S160E. SE WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT S OF LINE 10S160E 15S165E 25S170E. .48 HOUR FORECAST TROUGH 25S178W 20S180W 17S175E 12S160E. WINDS DIMINISHING TO BELOW 20 KT AND SEAS SUBSIDING TO 8 FT OR LESS. .TROUGH 25S135W 20S135W 15S133W MOVING SLOWLY S. .24 HOUR FORECAST TROUGH 25S130W 20S131W 16S133W. .48 HOUR FORECAST TROUGH MOVED S OF FORECAST AREA. .WINDS 20 TO 25 KT FROM 25S TO 15S BETWEEN 160W AND 145W...AND FROM 25S TO 15S E OF 130W. .24 HOUR FORECAST WINDS S OF LINE 20S165W 13S160W 25S138W. .48 HOUR FORECAST WINDS S OF LINE 20S170W 12S160W 11S145W. .WINDS 20 KT OR LESS OVER REMAINDER OF AREA. .SEAS 8 TO 10 FT S OF 18S BETWEEN 162W AND 138W. .24 HOUR FORECAST SEAS 8 TO 10 FT S OF 15S BETWEEN 160W AND 140...AND S OF 20S BETWEEN 140W AND 130W. .48 HOUR FORECAST SEAS 8 TO 10 FT FROM 20S TO 15S BETWEEN 165W AND 140W...AND S OF 20S E OF 140W. .SEAS 8 FT OR LOWER OVER REMAINDER OF AREA. .ISOLATED MODERATE TSTMS N OF 05S W OF 170E...AND FROM 20S TO 10S BETWEEN 165W AND 155W...AND FROM 15S TO 10S E OF 150... AND FROM 10S TO 07S BETWEEN 165E AND 155W. $$ .FORECASTER PECHACEK. HONOLULU HI.