


High Seas Forecast
Issued by NWS
Issued by NWS
027 FZPS40 PHFO 132242 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 2330 UTC MON OCT 13 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC OCT 13 2025. 24 HOUR FORECAST VALID 1800 UTC OCT 14 2025. 48 HOUR FORECAST VALID 1800 UTC OCT 15 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 25S143W 13S170W 12S180W 13S170E 14S165E 13S160E NEARLY STATIONARY. .24 HOUR FORECAST TROUGH 25S145W 15S160W 10S180W 11S169E 15S160E. .48 HOUR FORECAST TROUGH 25S145W 22S155W 15S160W 15S170W 13S180W 10S170E 10S160E. .NEW FRONT 24 HOUR FORECAST FRONT 25S169E 22S165E THENCE TROUGH 24S160E. .48 HOUR FORECAST FRONT 25S173E 20S164E THENCE TROUGH 18S160E. .WINDS 20 KT OR LESS OVER ENTIRE OF FORECAST AREA. .SEAS 2.5 TO 3 M S OF 22S BETWEEN 130W AND 140W...AND FROM 22S TO 18S BETWEEN 165W AND 170W .24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 20S TO 15S BETWEEN 165W AND 175W. .48 HOUR FORECAST SEAS 2.5 TO 3 M S OF 25S W OF 170E. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .SCATTERED MODERATE TSTMS FROM 12S TO 07S BETWEEN 160W AND 167W. ISOLATED MODERATE TSTMS FROM 15S TO 10S BETWEEN 175E AND 164E. $$ .FORECASTER PECHACEK. HONOLULU HI.