High Seas Forecast
Issued by NWS
Issued by NWS
410 FZPS40 PHFO 241030 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1130 UTC FRI MAY 24 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 MAY 24 2024. 24 HOUR FORECAST VALID 0600 UTC MAY 25 2024. 48 HOUR FORECAST VALID 0600 UTC MAY 26 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S174W 19S178W THENCE TROUGH 05S169E 11S160E MOVING E 15 KT S OF 20S. TROUGH NEARLY STATIONARY AND DISSIPATING. ISOLATED MODERATE TSTMS WITHIN 120 NM OF TROUGH BETWEEN 16S AND 21S. .24 HOUR FORECAST FRONT 25S166W 16S171W THENCE TROUGH 09S179W. .48 HOUR FORECAST FRONT 25S163W 18S170W THENCE TROUGH 06S170E. .TROUGH 08S177W 12S176W 17S168W MOVING SW SLOWLY. ISOLATED MODERATE TSTMS WITHIN 240 NM OF TROUGH. .24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED ABOVE. .FRONT 25S145W 23S153W MOVING E 15 KT. .24 HOUR FORECAST FRONT 25S138W 26S142W. .48 HOUR FORECAST FRONT 23S120W 19S125W THENCE TROUGH 11S135W. .TROUGH 23S120W 20S125W 15S129W NEARLY STATIONARY. ISOLATED MODERATE TSTMS WITHIN 60 NM OF TROUGH S OF 22S. .24 HOUR FORECAST NEW LOW NEAR 25S125W 1015 MB. TROUGH FROM LOW 15S130W. .48 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED ABOVE. LOW MOVED FAR S OF AREA. .WINDS SE 20 TO 25 KT FROM 10S TO 20S W OF 170E. .24 HOUR FORECAST WINDS SE 20 TO 25 KT FROM 12S TO 18S W OF 170E. .48 HOUR FORECAST LITTLE CHANGE. .SEAS 8 TO 9 FT FROM 11S TO 17S W OF 165E. .24 HOUR FORECAST SEAS LOWERED TO 8 FT OR LESS. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS. .ISOLATED MODERATE TSTMS WITHIN 60 NM OF A LINE 06S155W 10S147W...AND FROM 08S TO 13S W OF 166E. $$ .FORECASTER ALMANZA. HONOLULU HI.