High Seas Forecast
Issued by NWS
Issued by NWS
042 FZPN40 PHFO 280305 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 0500 UTC SUN APR 28 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC APR 28 2024. 24 HOUR FORECAST VALID 0000 UTC APR 29 2024. 48 HOUR FORECAST VALID 0000 UTC APR 30 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .LOW JUST N OF FORECAST AREA NEAR 31N172W NEARLY STATIONARY. FRONT 30N167W 25N171W 21N180E MOVING E 10 KT N OF 25N AND NEARLY STATIONARY S OF 25N. SE WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT WITHIN 120 NM E OF FRONT N OF 29N. W TO NW WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT N OF 28N BETWEEN 171W AND 177W. ISOLATED MODERATE TSTMS WITHIN 120 NM E OF FRONT N OF 27N. .24 HOUR FORECAST LOW MOVED WELL N OF FORECAST AREA. FRONT 30N164W 27N166W THENCE TROUGH 21N172W. ASSOCIATED WINDS EASED TO 20 KT OR LESS AND SEAS LOWERED TO 8 FT OR LOWER. .48 HOUR FORECAST FRONT DISSIPATED. TROUGH 30N162W 22N166W. .TROUGH 24N170E 20N167E MOVING W SLOWLY. .24 HOUR FORECAST TROUGH 25N166E 20N165E. .48 HOUR FORECAST TROUGH 25N168E 20N167E. .24 HOUR FORECAST NEW FRONT AT 30N160E. .48 HOUR FORECAST FRONT 30N171E 27N160E. .E WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT BETWEEN 07N AND LINE 21N140W 19N150W 15N165W. .24 HOUR FORECAST E WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT BETWEEN 06N AND LINE 22N140W 19N150W 13N160W. .48 HOUR FORECAST E WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT BETWEEN 08N AND 16N E OF 160W. .WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA. .ITCZ 05N140W 05N155W 04N165W 05N175W 05N160E. ISOLATED MODERATE TSTMS WITHIN 150 NM OF ITCZ. $$ .FORECASTER WROE. HONOLULU HI.