High Seas Forecast
Issued by NWS
Issued by NWS
720 FZPS40 PHFO 101517 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1730 UTC FRI MAY 10 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC MAY 10 2024. 24 HOUR FORECAST VALID 1200 UTC MAY 11 2024. 48 HOUR FORECAST VALID 1200 UTC MAY 12 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S158W 17S167W 12S175W 09S174E...THENCE TROUGH 08S160E. FRONT MOVING E SLOWLY S OF 16S...AND NEARLY STATIONARY ELSEWHERE. TROUGH NEARLY STATIONARY. WINDS 20 TO 25 KT S OF LINE 10S160E 20S180W 25S160W. SCATTERED MODERATE TSTMS WITHIN 270 NM OF FRONT AND TROUGH N OF 15S. .24 HOUR FORECAST FRONT 25S155W 15S165W 09S175E THENCE TROUGH 05S160E. WINDS 20 TO 25 KT S OF TROUGH AND FRONT W OF 170W. .48 HOUR FORECAST FRONT 25S156W 15S170W 12S180W THENCE TROUGH 10S160E. WINDS 20 TO 30 KT S OF FRONT AND TROUGH. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 12 TO 15 FT S OF 22S BETWEEN 180W AND 165W. SEAS 8 TO 12 FT ELSEWHERE S OF 20S W OF 160W. .24 HOUR FORECAST SEAS 12 TO 15 FT S OF 21S BETWEEN 175E AND 160W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 20S160E 15S175E 15S165W 25S155W. .48 HOUR FORECAST SEAS 12 TO 15 FT S OF 20S BETWEEN 170W AND 165W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 10S160E 10S180W 15S160W 25S150W. .OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA. .SCATTERED STRONG TSTMS WITHIN 90 NM OF POINT 07S153W. $$ .FORECASTER PECHACEK. HONOLULU HI.