


High Seas Forecast
Issued by NWS
Issued by NWS
936 FZPS40 PHFO 021509 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1730 UTC WED APR 02 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 APR 02 2025. 24 HOUR FORECAST VALID 1200 UTC APR 03 2025. 48 HOUR FORECAST VALID 1200 UTC APR 04 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 25S158W 19S166W 18S178W 18S167E MOVING E SLOWLY AND ERODING W OF 170W. SCATTERED MODERATE TSTMS WITHIN 240 NM OF TROUGH. .24 HOUR FORECAST TROUGH 25S155W 17S161W. .48 HOUR FORECAST TROUGH 25S153W 19S157W 13S157W. .48 HOUR FORECAST NEW TROUGH NEAR 25S165E 24S163E. .WINDS 20 KT OR LESS ENTIRE FORECAST AREA. .SEAS 8 TO 9 FT S OF LINE 09S120W 16S132W 14S137W 21S140W 25S140W...AND S OF 22S BETWEEN 166W AND 179W. .24 HOUR SEAS 8 TO 10 FT S OF LINE 25S157W 22S167W 19S176E 25S170E. SEAS 8 TO 9 FT S OF 11S E OF 136W. .48 HOUR SEAS 8 TO 12 FT S OF LINE 25S146W 18S161W 19S172W 25S179W. .SEAS 8 FT OR LESS REMAINDER FORECAST AREA. .ITCZ 02S121W 04S130W 04S147W. ISOLATED MODERATE TSTMS WITHIN 90 NM OF ITCZ. .ISOLATED MODERATE TSTMS FROM 09S TO 02S BETWEEN W OF 163W...AND FROM 18S TO 11S BETWEEN 147W AND 157W. $$ .FORECASTER PIERCE. HONOLULU HI.