High Seas Forecast
Issued by NWS
Issued by NWS
624 FZPS40 PHFO 250327 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 0530 UTC SAT MAY 25 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. SECURITE SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E SYNOPSIS VALID 0000 UTC MAY 25 2024. 24 HOUR FORECAST VALID 0000 UTC MAY 26 2024. 48 HOUR FORECAST VALID 0000 UTC MAY 27 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S166W 18S173W THENCE TROUGH 15S179W 08S164E MOVING E 15 KT S OF 20S. TROUGH NEARLY STATIONARY. ISOLATED MODERATE TSTMS WITHIN 180 NM FRONT AND TROUGH. .24 HOUR FORECAST FRONT 25S165W 16S180E THENCE TROUGH 07S176E 11S168E. .48 HOUR FORECAST FRONT WEAKENED TO TROUGH 25S160W 18S175W 14S163E. .TROUGH 14S174W 08S179W MOVING SW SLOWLY. ISOLATED MODERATE TSTMS WITHIN 240 NM E OF TROUGH. .24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED ABOVE. .FRONT 25S135W 22S139W MOVING E 20 KT. .24 HOUR FORECAST FRONT 25S128W 21S135W. .48 HOUR FORECAST FRONT WEAKENED. .TROUGH 10S151W 05S160W MOVING W 10 KT. .24 HOUR FORECAST TROUGH 12S154W 06S163W 06S155W. .48 HOUR FORECAST TROUGH DISSIPATED. .WINDS SE 20 TO 25 KT FROM 18S TO 10S W OF 180W. .24 HOUR FORECAST WINDS FROM 18S TO 12S W OF 180W. .48 HOUR FORECAST WINDS FROM 20S TO 12S W OF 170E...AND FROM 20S TO 13S BETWEEN 155W AND 140W. .24 HOUR FORECAST SEAS LOWERED TO 8 FT OR LESS. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS. .SCATTERED MODERATE TO LOCALLY STRONG TSTMS WITHIN 180 NM OF LINE 65S160W 11S150W. $$ .FORECASTER PECHACEK. HONOLULU HI.