High Seas Forecast
Issued by NWS
Issued by NWS
023 FZPS40 PHFO 232237 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 2330 UTC THU MAY 23 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 23 2024. 24 HOUR FORECAST VALID 1800 UTC MAY 24 2024. 48 HOUR FORECAST VALID 1800 UTC MAY 25 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 25S170W 17S175W 09S160E NEARLY STATIONARY. ISOLATED MODERATE WITHIN 240 NM OF TROUGH. .24 HOUR FORECAST TROUGH 23S169W 10S160E. .48 HOUR FORECAST TROUGH 23S163W 10S160E. .TROUGH 13S174W 11S176W 09S178W MOVING SW 10 KT. ISOLATED MODERATE TSTMS WITHIN 240 NM OF TROUGH. .24 HOUR FORECAST TROUGH 14S175W 10S178W. .48 HOUR FORECAST TROUGH 16S173W 09S178E. .FRONT 25S151W 24S154W NEARLY STATIONARY AND DISSIPATING. .24 HOUR FORECAST FRONT DISSIPATED. .WINDS SE 20 TO 25 KT W OF LINE 22S160E 19S171E 12S160E. .24 HOUR FORECAST WINDS SE 20 TO 30 KT 19S TO 12S W OF 177E. .48 HOUR FORECAST WINDS SE 20 TO 25 KT 19S TO 12S W OF 177E. .SEAS 8 TO 9 FT FROM 17S TO 13S W OF 162E. .24 HOUR FORECAST SEAS 8 TO 9 FT FROM 17S TO 13S W OF 166E. .48 HOUR FORECAST SEAS 8 FT OR LESS. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS. .ISOLATED MODERATE TSTMS FROM 10S TO 06S BETWEEN 154W AND 165W. $$ .FORECASTER THOMAS/PIERCE. HONOLULU HI.