High Seas Forecast
Issued by NWS
Issued by NWS
721 FZPS40 PHFO 062234 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 2330 UTC MON MAY 06 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC MAY 06 2024. 24 HOUR FORECAST VALID 1800 UTC MAY 07 2024. 48 HOUR FORECAST VALID 1800 UTC MAY 08 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .LOW NEAR 10S166E 1005 MB MOVING SE 10 KT. SECOND LOW NEAR 18S176W MOVING SE 10 KT. TROUGH FROM 07S160E TO FIRST LOW TO SECOND LOW TO 20S163W 25S155W. WINDS 20 TO 25 KT WITHIN 300 NM S OF TROUGH AND LOWS. SCATTERED STRONG TSTMS WITHIN 300 NM OF FIRST LOW W SEMICIRCLE...AND WITHIN 240 NM OF LINE 15S167W 16S165W 22S162W. .24 HOUR FORECAST LOW 11S169E 1008 MB. SECOND LOW NEAR 21S173W 1006 MB. TROUGH 06S160E TO FIRST LOW TO SECOND LOW TO 25S160W. WINDS 20 TO 25 KT WITHIN 300 NM S OF TROUGH AND FIRST LOW N OF 20S. .48 HOUR FORECAST LOW 14S179E 1007 MB. SECOND LOW MOVED S OF FORECAST AREA. WINDS 20 TO 25 KT S OF TROUGH AND LOWS W OF 180W AND E OF 170W. .WINDS 20 TO 25 KT FROM S OF 05S BETWEEN 150W AND 130W. .24 HOUR FORECAST WINDS 20 TO 25 KT FROM 15S TO 05S BETWEEN 155W AND 140W. .48 HOUR FORECAST WINDS DIMINISHING TO BELOW 20 KT. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 8 TO 12 FT S OF LINE 20S180W 15S160W 10S140W 10S135W 20S130W 25S125W. .24 HOUR FORECAST SEAS 8 TO 10 FT S OF 05S BETWEEN 160W AND 145W. .48 HOUR FORECAST SEAS 8 TO 10 FT S OF 20S W OF 180W. .OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA. .ISOLATED MODERATE TSTMS N OF 05S BETWEEN 170W AND 160W...AND WITHIN 210 NM OF POINT 05S173E. $$ .FORECASTER PECHACEK. HONOLULU HI.