High Seas Forecast 
Issued by NWS
        
        
                
        
            
        Issued by NWS
295 FZPS40 PHFO 041145 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1130 UTC TUE NOV 04 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC NOV 04 2025. 24 HOUR FORECAST VALID 0600 UTC NOV 05 2025. 48 HOUR FORECAST VALID 0600 UTC NOV 06 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .LOW NEAR 18S177W 1010 MB MOVING S SLOWLY. TROUGH 23S173W 21S176W TO LOW 16S178E 18S174E. SCATTERED MODERATE TSTMS WITHIN 270 NM E OF LOW. .24 HOUR FORECAST LOW 22S177W 1006 MB. TROUGH 24S170W 25S175W TO LOW TO 19S178E 20S176E. WINDS 20 TO 30 KTS WITHIN 150 NM SW LOW QUADRANT...AND S OF 23S BETWEEN 170W AND 172W. .48 HOUR FORECAST LOW MOVED S OF AREA. WINDS 20 TO 25 KTS AND SEAS 2.5 TO 3 M S OF 23S BETWEEN 170W AND 172W AND BETWEEN 174W AND 175W. .TROUGH 25S169E 20S170E 14S166E NEARLY STATIONARY. .24 HOUR FORECAST TROUGH DISSIPATED. .TROUGH 25S131W 23S136W MOVING SW SLOWLY. .24 HOUR FORECAST TROUGH 25S133W 23S135W. .48 HOUR FORECAST WEAKENED TROUGH MOVED S OF AREA. .WINDS 20 KT OR LESS OVER ENTIRE OF FORECAST AREA. .SEAS 2.5 TO 3.5 M S OF LINE 25S130W 14S164W. .24 HOUR FORECAST SEAS 2.5 TO 3 M S OF 15S W E OF 142W. .48 HOUR FORECAST SEAS 2.5 TO 3.5 M S OF A LINE 08S120W 25S150W. .OTHERWISE...SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .SCATTERED MODERATE TSTMS WITHIN 160 NM EITHER SIDE OF A LINE FROM 25S178W 19S176E...AND 13S175E 03S160E. $$ .FORECASTER BLOOD. HONOLULU HI.