


High Seas Forecast
Issued by NWS
Issued by NWS
805 FZPS40 PHFO 130250 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 0530 UTC SUN JUL 13 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 JUL 13 2025. 24 HOUR FORECAST VALID 0000 UTC JUL 14 2025. 48 HOUR FORECAST VALID 0000 UTC JUL 15 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S147W 19S151W THENCE TROUGH THROUGH 12S161W. FRONT AND TROUGH MOVING E 15 KT. ISOLATED MODERATE TSTMS WITHIN 210 NM E OF FRONT S OF 21S. .24 HOUR FORECAST FRONT 25S141W 20S144W THENCE TROUGH 14S148W. .48 HOUR FORECAST FRONT 25S131W 22S135W THENCE TROUGH 12S150W. .FRONT 25S173E 21S171E 16S160E. TROUGH 18S175E 11S170E 04S160E. FRONT MOVING NE 15 KT AND TROUGH NEARLY STATIONARY. WINDS 20 TO 25 KT S AND W OF FRONT. ISOLATED MODERATE TSTMS WITHIN 300 NM E OF FRONT S OF 22S...AND WITHIN 180 NM OF TORUGH N OF 11S. .24 HOUR FORECAST FRONT 25S175W 17S180W THENCE TROUGH 02S160E. WINDS 20 TO 30 KT S OF 22S BETWEEN 170W AND 178E. .48 HOUR FORECAST FRONT FROM 25S168W 19S176W THENCE TROUGH 11S176E. ASSOCIATED WINDS MOVED S OF AREA. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 TO 3.0 M S OF 20S W OF 180W...AND E OF LINE 25S136W 16S170W 01S171W. .24 HOUR FORECAST SEAS 2.5 TO 4.5 M S OF 15S W OF 172W. SEAS 2.5 TO 3.0 M FROM 16S TO 04S E OF 172W. .48 HOUR FORECAST SEAS 2.5 TO 3.5 M S OF 12S W OF 172W. SEAS 2.5 TO 3.0 M N OF 12S E OF 132W. .OTHERWISE...SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .NUMEROUS MODERATE TSTMS FROM 10S TO 04S BETWEEN 163W AND 173W. $$ .FORECASTER ALMANZA. HONOLULU HI.