High Seas Forecast
Issued by NWS
Issued by NWS
311 FZPN40 PHFO 020910 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1100 UTC THU MAY 02 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC MAY 02 2024. 24 HOUR FORECAST VALID 0600 UTC MAY 03 2024. 48 HOUR FORECAST VALID 0600 UTC MAY 04 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WEAK TROUGH 30N158W 21N166W MOVING W SLOWLY. ISOLATED MODERATE TSTMS WITHIN 60 NM OF TROUGH N OF 22N. .24 HOUR FORECAST TROUGH 30N163W 23N167W. .48 HOUR FORECAST TROUGH 30N170W 22N174W. .WEAK TROUGH 22N171E 21N180E MOVING W SLOWLY. NE TO E WINDS 20 TO 25 KT WITHIN 120 NM N OF TROUGH. .24 HOUR FORECAST TROUGH 24N167E 20N166E. WINDS DIMINISHED TO 20 KT OR LESS. .48 HOUR FORECAST TROUGH 24N162E 20N161E. .48 HOUR FORECAST NEW FRONT NEAR 30N160E. .NE TO E WINDS 20 TO 25 KT FROM 07N TO 16N E OF 165W... AND FROM 16N TO 24N E OF 150W. .24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 09N TO 25N E OF 160W... AND FROM 06N TO 15N BETWEEN 170W AND 160W. .48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 26N E OF 164W... AND FROM 07N TO 14N BETWEEN 173W AND 164W. .WINDS 20 KT OR LESS OVER REMAINDER OF AREA. .SEAS 8 FT OR LOWER OVER REMAINDER OF AREA. .ITCZ 05N140W 01N163E. $$ .FORECASTER SHIGESATO. HONOLULU HI.