High Seas Forecast
Issued by NWS
Issued by NWS
200 FZPN40 PHFO 271508 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1700 UTC MON MAY 27 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 27 2024. 24 HOUR FORECAST VALID 1200 UTC MAY 28 2024. 48 HOUR FORECAST VALID 1200 UTC MAY 29 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 30N174W 23N171W 18N173W MOVING W SLOWLY. NUMEROUS STRONG TSTMS FROM 21N TO 28N BETWEEN TSTMS FROM 19N TO 27N BETWEEN 173W AND 168W. .24 HOUR FORECAST NEW LOW 25N173W 1014 MB. TROUGH 30N171W TO LOW TO 18N174W. E WINDS 20 TO 25 KT N OF 27N BETWEEN 174W AND 166W. .48 HOUR FORECAST LOW 26N174W 1015 MB. TROUGH 30N170W TO LOW TO 20N174W. WINDS DIMINISHED TO 20 KT OR LESS. .WEAK TROUGH 25N162E 22N160E MOVING W 15 KT. .24 HOUR FORECAST TROUGH DISSIPATED. .48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 18N E OF 155W. .REMAINDER OF AREA...WINDS 20 KT OR LESS AND SEAS 8 FT OR LESS. .ITCZ 05N140W 06N150W 04N168W...AND FROM 05N166E TO 06N160E. ISOLATED MODERATE TSTMS WITHIN 90 NM OF ITCZ. $$ .FORECASTER SHIGESATO. HONOLULU HI.