High Seas Forecast
Issued by NWS
Issued by NWS
936 FZPS40 PHFO 121128 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1130 UTC SUN MAY 12 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 12 2024. 24 HOUR FORECAST VALID 0600 UTC MAY 13 2024. 48 HOUR FORECAST VALID 0600 UTC MAY 14 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S150W 21S154W THENCE TROUGH TO 11S173W 09S173E 05S160E. FRONT MOVING E 10 KT. TROUGH NEARLY STATIONARY. E TO SE WINDS 20 TO 25 KT WITHIN 300 NM S OF TROUGH. .24 HOUR FORECAST FRONT 25S145W 22S153W THENCE TROUGH TO 12S177W 09S160E. E TO SE WINDS 20 TO 30 KT WITHIN 300 NM S OF TROUGH. .48 HOUR FORECAST FRONT WEAKENED TO A TROUGH 25S141W 20S169W 11S160E. S TO SE WINDS 20 TO 30 KT S OF TROUGH AND WITHIN 270 NM N OF TROUGH E OF 159W. .FRONT 20S120W 19S129W MOVING N 10KT. .24 HOUR FORECAST FRONT 16S120W 16S130W. .48 HOUR FORECAST FRONT MOVED E OF AREA. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 12 TO 13 FT S OF 20S BETWEEN 158W AND 164W. SEAS 8 TO 12 FT ELSEWHERE S OF A LINE 25S149W 14S162W 10S171E 15S160E. .24 HOUR FORECAST SEAS 12 TO 13 FT S OF 24N BETWEEN 150W AND 160W. SEAS 8 TO 12 FT ELSEWHERE S OF A LINE 25S141W 11S157W 11S160E. SEAS 8 TO 9 FT S OF 21S E OF 123W. .48 HOUR FORECAST SEAS 8 TO 12 FT BOUNDED BY AREA 25S127W 07S155W 18S170W 10S176E 11S160E 25S178E 25S127W. .OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA. $$ .FORECASTER THOMAS. HONOLULU HI.