High Seas Forecast
Issued by NWS
Issued by NWS
250 FZPS40 PHFO 070334 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 0530 UTC WED MAY 07 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 07 2025. 24 HOUR FORECAST VALID 0000 UTC MAY 08 2025. 48 HOUR FORECAST VALID 0000 UTC MAY 09 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S142W 21S148W THENCE TROUGH 15S155W MOVING SE SLOWLY. .24 HOUR FORECAST FRONT MOVED S OF AREA. TROUGH 25S140W 20S148W 12S153W. .48 HOUR FORECAST FRONT REDEVELOPED 25S145W 18S150W THENCE TROUGH 12S152W. .TROUGH 25S161E 20S162E 14S160E MOVING E SLOWLY. SCATTERED MODERATE TSTMS FROM 18S TO 06S BETWEEN 178W AND 160E. .24 HOUR FORECAST TROUGH 25S164E 15S164E 13S160E. .48 HOUR FORECAST TROUGH 25S165E 17S170E 13S160E. .TROUGH 07S176W 15S167W MOVING W 10 KT. SCATTERED MODERATE TSTMS WITHIN 210 NM E OF TROUGH. .24 HOUR FORECAST TROUGH 07S176E 11S180W. .48 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED DIRECTLY ABOVE. .TROUGH 02S138W 06S133W MOVING W 10 KT. .24 HOUR FORECAST WEAK TROUGH 03S142W 07S139W. .48 HOUR FORECAST TROUGH DISSIPATED. .WINDS 20 TO 30 KT S OF LINE 25S166E 12S177E 09S173W 20S150W 25S150W. .24 HOUR E TO SE WINDS 20 TO 30 KT S OF LINE 20S165E 11S180W 11S160W 25S141W. .48 HOUR FORECAST E TO SE WINDS 20 TO 30 KT S OF LINE 17S170E 11S170W 14S160W 25S144W. .WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA. .SEAS 12 TO 16 FT S OF LINE 25S176E 14S174W 17S160W 22S148W 25S145W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 25S161E 13S170E 11S170W 14S160W 25S143W. .24 HOUR FORECAST SEAS 12 TO 16 FT S OF LINE 21S176E 13S176E 13S162W 25S144W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 25S166E 15S170E 05S167W 10S150W 25S130W. .48 HOUR FORECAST SEAS 12 TO 16 FT S OF LINE 18S175E 13S177W 13S164W 25S145W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 17S165E 02S160W 18S140W 13S120W. .SEAS 8 FT OR LOWER REMAINDER OF FORECAST AREA. .ISOLATED MODERATE TSTMS S OF 20S BETWEEN 140W AND 129W. $$ .FORECASTER ALMANZA. HONOLULU HI.