High Seas Forecast
Issued by NWS
Issued by NWS
882 FZPS40 PHFO 122237 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 2330 UTC WED NOV 12 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC NOV 12 2025. 24 HOUR FORECAST VALID 1800 UTC NOV 13 2025. 48 HOUR FORECAST VALID 1800 UTC NOV 14 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S175E 16S167E 13S160E MOVING E 15 KT. ISOLATED MODERATE TSTMS WITHIN 300 NM E OF FRONT S OF 17S. .24 HOUR FORECAST FRONT 25S178W 17S177E 13S169E THENCE TROUGH 08S160E. .48 HOUR FORECAST FRONT WEAKENED TO TROUGH 25S171W 19S173W 14S173W. DETACHED TROUGH 12S168E 09S160E. .TROUGH 16S170E 09S162E 07S160E NEARLY STATIONARY. SCATTERED MODERATE TO STRONG TSTMS FROM 07S TO 01S W OF 168E. ISOLATED MODERATE TSTMS FROM 16S TO 13S BETWEEN 168E AND 175E. .24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED ABOVE. .TROUGH 23S141W 17S150W 12S168W 11S175W 09S176E NEARLY STATIONARY. SCATTERED MODERATE TSTMS WITHIN 300 NM OF TROUGH. .24 HOUR FORECAST TROUGH 25S134W 20S144W 15S158W 11S172W 06S175W. .48 HOUR FORECAST NEW FRONT 25S130W 19S146W 16S153W THENCE TROUGH 12S162W 06S176W 05S179W. .FRONT 25S148W 23S151W 23S155W MOVING N 10 KT. .24 HOUR FORECAST FRONT WEAKENS TO TROUGH AND MERGES WITH TROUGH DESCRIBED IMMEDIATELY ABOVE. .24 HOUR FORECAST WINDS 20 TO 25 KT S OF 23S BETWEEN 158W AND 143W. .48 HOUR FORECAST WINDS 20 TO 30 KT S OF 20S BETWEEN 164W AND 139W. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 TO 3 M N OF LINE 10S120W 08S129W 00S130W. .24 HOUR FORECAST 2.5 TO 4 M S OF 22S BETWEEN 162W AND 149W. .48 HOUR FORECAST SEAS 2.5 TO 4.5 M S OF 19S E OF 167W. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ISOLATED MODERATE TSTMS FROM 11S TO 08S BETWEEN 169E AND 172E. $$ .FORECASTER TROTTER. HONOLULU HI.