High Seas Forecast
Issued by NWS
Issued by NWS
120 FZPN40 PHFO 161528 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1700 UTC THU MAY 16 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC MAY 16 2024. 24 HOUR FORECAST VALID 1200 UTC MAY 17 2024. 48 HOUR FORECAST VALID 1200 UTC MAY 18 2024. .WARNINGS. ...GALE WARNING... .LOW N OF AREA NEAR 32N164W 996 MB MOVING W SLOWLY. FRONT FROM 30N157W TO 21N159W TO 14N166W BECOMING STATIONARY. SE WINDS 30 TO 35 KT AND SEAS 8 TO 12 FT N OF 27N BETWEEN 153W AND FRONT. NW WINDS 30 TO 35 KT N OF 28N BETWEEN 163W AND 170W. SE WINDS 20 TO 30 KT ELSEWHERE N OF 24N BETWEEN 150W AND FRONT. NW WINDS 20 TO 30 KT ELSEWHERE N OF 28N BETWEEN 168W AND 175W. ISOLATED MODERATE TSTMS WITHIN 150 NM E OF FRONT. .24 HOUR FORECAST FRONT FROM 30N159W TO 24N160W TO 16N164W. SE WINDS 30 TO 35 KT AND SEAS 8 TO 10 FT N OF 26N BETWEEN 154W AND FRONT. SE WINDS 20 TO 30 KT ELSEWHERE N OF 20N BETWEEN 151W AND FRONT. .48 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 30N159W TO 18N165W TO 16N165W. SE WINDS 20 TO 30 KT AND SEAS 8 TO 12 FT N OF 23N BETWEEN 150W AND TROUGH. .SYNOPSIS AND FORECAST. .TROUGH FROM 30N158W TO 25N161W TO 22N166W NEARLY STATIONARY. .24 HOUR FORECAST TROUGH FROM 30N158W TO 25N161W TO 19N165W. .48 HOUR FORECAST TROUGH FROM 30N165W TO 27N166W TO 23N174W. .N TO E WINDS 20 TO 30 KT N OF 10N W OF 165W. .24 HOUR FORECAST NW TO S WINDS S OF 25N BETWEEN 162W AND 172W. N TO E WINDS 20 TO 25 KT N OF 10N W OF 172W. .48 HOUR FORECAST N TO S WINDS N OF 26N BETWEEN 160W AND 175E. NE WINDS 20 TO 25 KT FROM 12N TO 23N W OF 175E. .OTHERWISE..WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 12 TO 14 FT N OF 27N BETWEEN 160W AND 172W. SEAS 8 TO 12 FT ELSEWHERE N OF OF A LINE FROM 30N158W TO 17N178W TO 20N166E. .24 HOUR FORECAST SEAS 16 TO 20 FT N OF 28N BETWEEN 168W AND 174W. SEAS 12 TO 16 FT ELSEWHERE N OF 25N BETWEEN 162W AND 178W...AND SEAS 8 TO 12 FT N OF A LINE FROM 30N159W TO 13N175W TO 18N162E. .48 HOUR FORECAST SEAS 8 TO 12 FT BETWEEN TWO LINES FROM 30N155W TO 09N176E AND FROM 30N176E TO 22N160E. .OTHERWISE...SEAS 8 FT OR UNDER OVER REMAINDER OF FORECAST AREA. .ITCZ FROM 09N140W TO 03N150W TO 05N163W TO 01N176W. .ISOLATED MODERATE TSTMS WITHIN 60 NM OF AND WITHIN 90 NM OF A LINE FROM...16N174E TO 24N164E. $$ .FORECASTER BLOOD. HONOLULU HI.