High Seas Forecast
Issued by NWS
Issued by NWS
621 FZPS40 PHFO 080330 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 0530 UTC WED MAY 08 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 08 2024. 24 HOUR FORECAST VALID 0000 UTC MAY 09 2024. 48 HOUR FORECAST VALID 0000 UTC MAY 10 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 25S172W 20S172W 15S180E 11S170E 09S160E. SEE SEAS BELOW. SCATTERED MODERATE TSTMS WITHIN 180 NM OF TROUGH. .24 HOUR FORECAST TROUGH 25S166W 14S180E 10S170E 09S160E. WINDS 20 TO 25 KT S OF TROUGH. SEE SEAS BELOW. .48 HOUR FORECAST TROUGH 25S163W 17S170W 10S180E 09S170E 10S160E. WINDS 20 TO 25 KT S OF LINE 25S172E 19S170W 19S160W 25S155W...AND S OF TROUGH W OF 170E. SEE SEAS BELOW. .OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 8 TO 10 FT E OF LINE 25S173W 00S169W AND W OF LINE 25S124W 00S148W. .24 HOUR FORECAST SEAS 8 TO 10 FT S OF LINE 20S160E 21S178E 25S179E...AND N OF LINE 00S168W 20S162W 13S148W 00S145W. SEAS 8 TO 9 FT S OF LINE 25S150W 17S150W 25S130W...AND S OF 20S BETWEEN 161W AND 170W. .48 HOUR FORECAST SEAS 8 TO 10 FT S OF LINE 12S160E 20S180E 18S165W 25S158W. .OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA. .SCATTERED MODERATE TSTMS FROM 03S TO 13S BETWEEN 163W AND 176W. ISOLATED MODERATE TSTMS FROM 03S TO 06S BETWEEN 126W AND 134W. $$ .FORECASTER POWELL. HONOLULU HI.