High Seas Forecast
Issued by NWS
Issued by NWS
198 FZPN40 PHFO 080330 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 0500 UTC WED MAY 08 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 MAY 08 2024. 24 HOUR FORECAST VALID 0000 UTC MAY 09 2024. 48 HOUR FORECAST VALID 0000 UTC MAY 10 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 30N176W 29N174E 30N170E MOVING E 25 KT. .24 HOUR FORECAST FRONT 30N165W 26N175W 26N179E. SEE WINDS BELOW. .48 HOUR FORECAST FRONT 30N158W 26N170W 27N180E. SEE WINDS AND SEAS BELOW. .TROUGH 26N179W 30N173W MOVING E SLOWLY. .24 HOUR FORECAST TROUGH MERGED WITH FRONT IMMEDIATELY ABOVE. .24 HOUR FORECAST WINDS 20 TO 25 KT N OF LINE 15N160E 18N180W 30N159W. .48 HOUR FORECAST WINDS 20 TO 25 KT N OF LINE 19N160E 15N171E 16N175W 30N159W. .OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 8 TO 10 FT BETWEEN 05N AND 15N E OF 170E. SEAS 8 TO 9 FT S OF 05N BETWEEN 169W AND 148W. .24 HOUR FORECAST SEAS 8 TO 10 FT IN AREA 00N168W 09N170E 13N170E 14N175W 10N141W 00N145W. .48 HOUR FORECAST SEAS 8 TO 11 FT N OF LINE 18N160E 15N175E 20N180E 30N159W. SEAS 8 TO 9 FT FROM 06N TO 12N E OF 173E. .OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA. .ITCZ 07N140W 08N143W 04N153W 04N166W 01N179W. SCATTERED MODERATE TSTMS WITHIN 90 NM OF ITCZ E OF 146W. .ISOLATED MODERATE TSTMS FROM 20N TO 24N W OF 163E...AND S OF 08S BETWEEN 166E AND 173E. $$ .FORECASTER POWELL. HONOLULU HI.