High Seas Forecast
Issued by NWS
Issued by NWS
064 FZPS40 PHFO 281518 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1730 UTC FRI NOV 28 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC NOV 28 2025. 24 HOUR FORECAST VALID 1200 UTC NOV 29 2025. 48 HOUR FORECAST VALID 1200 UTC NOV 30 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 25S128W 17S133W 13S136W 12S142W MOVING SE 15 KT. WINDS 20 TO 25 KT S OF 19S E OF 134W. SCATTERED MODERATE TSTMS WITHIN 300 NM OF TROUGH. .24 HOUR FORECAST TROUGH 25S123W 17S131W 12S146W. WINDS MOVED S OF AREA. .48 HOUR FORECAST TROUGH 25S124W 16S132W 11S151W. .TROUGH 25S166W 16S175W 08S174E 02S161E MOVING SE 25 KT. SCATTERED MODERATE TSTMS WITHIN 210 NM OF TROUGH. .24 HOUR FORECAST TROUGH 25S158W 15S163W 10S170E. .48 HOUR FORECAST TROUGH 25S158W 16S160W 13S175W. .WINDS 20 KT OR LESS OVER REMAINDER FORECAST AREA. .SEAS 2.5 TO 3 M S OF LINE 25S137W 20S127W 25S121W. .24 HOUR FORECAST SEAS 2.5 TO 3 M S OF 23S E OF 146W. .48 HOUR FORECAST SEAS LOWERED 2.5 OR LESS. .SEAS 2.5 M OR LOWER OVER REMAINDER FORECAST AREA. $$ .FORECASTER PIERCE. HONOLULU HI.