High Seas Forecast
Issued by NWS
Issued by NWS
764 FZPN40 PHFO 031504 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1700 UTC THU APR 03 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 03 2025. 24 HOUR FORECAST VALID 1200 UTC APR 04 2025. 48 HOUR FORECAST VALID 1200 UTC APR 05 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 30N154W 25N158W 20N164W MOVING E 15 KT. SW WINDS 20 TO 30 KT WITHIN 120 NM E OF FRONT N OF 28N. NW WINDS 20 TO 25 KT N OF 29N BETWEEN 165W AND 158W. .24 HOUR FORECAST FRONT 30N148W 24N155W 20N164W. WINDS DIMINISHED TO 20 KT OR LESS. .48 HOUR FORECAST FRONT 30N140W 22N156W 20N164W. SEE WINDS BELOW. .NE TO E WINDS 20 TO 25 KT FROM 12N TO 24N W OF 177W...AND FROM 04N TO 18N E OF 145W. .24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 11N TO 25N BETWEEN 163E AND 174W. .48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT IN AREA BOUNDED BY 25N180W 23N157W 17N168W 20N140W 08N140W 04N160W 05N180W 12N180W 15N165E 20N165E 25N180W. .WINDS 20 KT OR LESS REMAINDER FORECAST AREA. .SEAS 8 TO 12 FT N OF LINE 06N160E 06N175W 22N170W 27N155W 30N152W. SEAS 8 TO 10 FT FROM 03N TO 19N E OF 149W. .24 HOUR FORECAST SEAS 12 TO 13 FT N OF LINE 30N168W 28N159W 30N154W. SEAS 8 TO 12 FT ELSEWHERE IN AREA BOUNDED BY 30N180W 30N150W 15N170W 05N165W 03N175E 10N167E 06N160E 25N160E 25N180W 30N180W. SEAS 8 TO 9 FT E OF LINE 21N140W 15N153W 04N153W 05N140W. .48 HOUR FORECAST SEAS 12 TO 16 FT N OF LINE 30N173W 26N168W 26N153W 30N146W. SEAS 8 TO 12 FT ELSEWHERE IN AREA BOUNDED BY 30N180W 30N142W 20N150W 20N140W 05N140W 04N180W 15N160E 20N160E 30N180W. .SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. .ISOLATED MODERATE TSTMS S OF 10N W OF 178W...AND FROM 10N TO 14N BETWEEN 180W AND 174W. $$ .FORECASTER JELSEMA. HONOLULU HI.