High Seas Forecast
Issued by NWS
Issued by NWS
183 FZPS40 PHFO 291512 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1730 UTC MON APR 29 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC APR 29 2024. 24 HOUR FORECAST VALID 1200 UTC APR 30 2024. 48 HOUR FORECAST VALID 1200 UTC MAY 01 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 09S147W 10S172W 06S160E NEARLY STATIONARY. NUMEROUS MODERATE TSTMS WITHIN 300 NM OF TROUGH E OF 170W. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 300 NM OF TROUGH. .24 HOUR FORECAST TROUGH 05S146W 10S168W 06S160E. .48 HOUR FORECAST TROUGH 10S166W 09S177W 06S160E. .TROUGH 24S131W 18S134W NEARLY STATIONARY. ISOLATED MODERATE TSTMS WITHIN 300 NM E OF TROUGH. .24 HOUR FORECAST TROUGH 25S132W 19S136W. .48 HOUR FORECAST TROUGH DISSIPATED. .TROUGH 25S178W 22S179W NEARLY STATIONARY. ISOLATED MODERATE TSTMS WITHIN 210 NM OF TROUGH. .24 HOUR FORECAST TROUGH DISSIPATED. .WINDS E 20 TO 25 KT BOUNDED BY AREA 25S155W 25S169W 13S167W 13S143W 25S155W. SE WINDS 20 TO 25 KT S OF 14S W OF 168E. .24 HOUR FORECAST E WINDS 20 TO 25 KT BOUNDED BY AREA 25S151W 25S164W 13S158W 16S145W 25S151W. SE WINDS 20 TO 25 KT FROM 21S TO 14S W OF 170E. .48 HOUR FORECAST SE TO E WINDS 20 TO 25 KT BOUNDED BY AREA 25S138W 25S165W 08S166W 25S138W. SE WINDS 20 TO 25 KT BOUNDED BY AREA 22S179E 19S160E 10S160E 22S179E. .WINDS 20 KT OR LESS OVER REMAINDER OF AREA. .SEAS 8 TO 10 FT BOUNDED BY AREA 19S147W 19S168W 11S163W 12S154W 19S147W. SEAS 8 TO 9 FT FROM 23S TO 19S W OF 164E. .24 HOUR FORECAST SEAS 8 TO 9 FT FROM 19S TO 16S BETWEEN 154W AND 158W. SEAS 8 TO 9 FT FROM 18S TO 15S W OF 165E. .48 HOUR FORECAST SEAS 8 TO 9 FT FROM 20S TO 14S BETWEEN 158W AND 165W. SEAS 8 TO 9 FT S OF A LINE 25S144W 23S147W 25S154W. .SEAS 8 FT OR LOWER OVER REMAINDER OF AREA. .ISOLATED MODERATE TSTMS FROM 18S TO 13S BETWEEN 166E AND 174E. $$ .FORECASTER THOMAS. HONOLULU HI.