


High Seas Forecast
Issued by NWS
Issued by NWS
397 FZPS40 PHFO 141032 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1130 UTC MON JUL 14 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 JUL 14 2025. 24 HOUR FORECAST VALID 0600 UTC JUL 15 2025. 48 HOUR FORECAST VALID 0600 UTC JUL 16 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S171W 21S174W 19S177W THENCE TROUGH 12S170E 08S160E. FRONT MOVING SE 10 KT AND TROUGH NEARLY STATIONARY. SCATTERED MODERATE TSTMS WITHIN 210 NM OF FRONT AND TROUGH. .24 HOUR FORECAST FRONT 25S168W 19S173W THENCE TROUGH 11S175E 09S160E. .48 HOUR FORECAST FRONT 25S166W 21S169W THENCE TROUGH 16S177E 10S160E. .TROUGH 12S174W 09S179E 04S175E MOVING W 15 KT. SCATTERED MODERATE TSTMS FROM 13S TO 02S BETWEEN 174E AND 172W. .24 HOUR FORECAST TROUGH MERGED WITH FRONT AND TROUGH DESCRIBED IMMEDIATELY ABOVE. .FRONT 25S136W 22S142W THENCE TROUGH 18S149W 16S154W. FRONT AND TROUGH MOVING E 15 KT. SCATTERED MODERATE TSTMS S OF 21S BETWEEN FRONT AND 130W. .24 HOUR FORECAST FRONT 25S129W 20S135W THENCE TROUGH 18S142W. .48 HOUR FORECAST FRONT 25S123W 20S128W THENCE TROUGH 17S128W. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 TO 4.0 M S OF LINE 25S168W 18S170E 22S167E 17S160E. SEAS 2.5 TO 3 M N OF LINE 00S176E 09S179W 18S161W 07S144W 25S124W 25S120W. .24 HOUR FORECAST SEAS 2.5 TO 4.0 M S OF LINE 25S169W 10S177E 25S166E...AND FROM 17S TO 11S W OF 164E. SEAS 2.5 TO 3 M N OF LINE 12S120W 09S137W 00S141W. .48 HOUR FORECAST SEAS LOWERED TO 2.5 M OR LESS. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .SCATTERED MODERATE TSTMS N OF 03S W OF 166E. $$ .FORECASTER PIERCE. HONOLULU HI.