


High Seas Forecast
Issued by NWS
Issued by NWS
594 FZPN40 PHFO 021508 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1700 UTC WED APR 02 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W 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. .FRONT 30N161W 20N167W 15N171W MOVING E 15 KT N OF 20N AND E SLOWLY S OF 20N. WINDS 20 TO 30 KT N OF LINE 30N152W 21N164W 30N163W. WINDS 20 TO 25 KT N OF 28N BETWEEN 164W AND 169W. SCATTERED MODERATE TSTMS WITHIN 150 NM OF FRONT. .24 HOUR FORECAST FRONT 30N154W 21N164W 17N166W. WINDS 20 TO 25 KT N OF LINE 30N148W 24N153W 27N158W 30N167W. .48 HOUR FORECAST FRONT 30N147W 24N152W 17N168W. WINDS EASED TO 20 KT OR LESS. .NE TO E WINDS 20 TO 25 KT E OF LINE 18N140W 14N149W 05N152W 09N140W...AND FROM 25N TO 12N W OF 170W. .24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 20N TO 04N E OF 152W...AND IN AREA BOUNDED BY 25N160E 27N168E 22N174E 12N174E 11N179W 03N171E 11N160E 25N160E. .48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT IN AREA BOUNDED BY 23N160E 23N179W 15N173W 04N170E 04N167E 09N160E 23N160E. .WINDS 20 KT OR LESS REMAINDER FORECAST AREA. .SEAS 12 TO 13 FT IN AREA BOUNDED BY 21N160E 27N170E 25N177E 20N174E 17N166E 19N160E 21N160E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE 30N154W 18N167W 23N167W 06N173E 10N160E. SEAS 8 TO 9 FT E OF LINE 18N140W 19N151W 13N159W 04N154W 05N140W. .24 HOUR FORECAST SEAS 8 TO 12 FT N OF LINE 30N152W 19N172W 10N171W 12N163W 06N161W 05N173E 06N160E. SEAS 8 TO 10 FT E OF LINE 20N140W 15N151W 08N150W 06N162W 03N140W. .48 HOUR FORECAST SEAS 8 TO 12 FT N OF LINE 30N151W 14N170W 05N165W 04N172E 10N169E 11N164E 07N160E...EXCEPT N OF 26N W OF 177E. SEAS 8 TO 9 FT E OF LINE 20N140W 14N154W 06N155W 06N140W. .SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. .ISOLATED MODERATE TSTMS S OF 13N W OF 174W...AND FROM 05N TO 03N E OF 144W. $$ .FORECASTER PIERCE. HONOLULU HI.