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000
FZPN40 PHFO 171518
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC WED APR 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 17 2024.
24 HOUR FORECAST VALID 1200 UTC APR 18 2024.
48 HOUR FORECAST VALID 1200 UTC APR 19 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 24N150W 1013 MB MOVING NE 15 KT. FRONT FROM LOW TO
30N150W...AND FROM 30N144W TO 25N144W TO 18N152W THENCE
TROUGH TO 15N158W. MOVING E SLOWLY. S TO SE WINDS 20 TO
25 KT N OF 28N E OF FRONT. ISOLATED MODERATE TSTMS WITHIN
210 NM OF FRONT N OF 25N.
.24 HOUR FORECAST LOW DISSIPATED. FRONT FROM 30N140W TO
23N144W...THENCE TROUGH TO 18N150W. WINDS DECREASED TO 20 KT
OR BELOW.
.48 HOUR FORECAST FRONT FROM 27N140W TO 18N147W.

.FRONT FROM 30N168E TO 25N164E TO 22N160E MOVING E SLOWLY.
S OF SE WINDS 20 TO 25 KT N OF 27N WITHIN 240 NM E FRONT.
ISOLATED MODERATE TSTMS N OF 25N WITHIN 210 NM E OF FRONT.
.24 HOUR FORECAST FRONT FROM 30N170E TO 25N165E. WINDS
DECREASED TO 20 KT OR BELOW.
.48 HOUR FORECAST FRONT WEAKENED TO A TROUGH FROM 30N170E TO
26N163E.

.WINDS 20 TO 25 KT FROM 20N TO 30N BETWEEN 180W AND 170W...
AND FROM 05N TO 15N BETWEEN 170E AND 170W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 05N TO 15N ACROSS
ENTIRE FORECAST AREA...AND FROM 15N TO 30N BETWEEN 175E AND
165W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 05N TO 15N ACROSS
ENTIRE FORECAST AREA...AND FROM 15N TO 25N BETWEEN 175E AND
165W.

.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 8 TO 12 FT N OF LINE FROM 25N160E TO 20N175E TO 05N175W TO
30N140W.
.24 HOUR FORECAST SEAS 8 TO 10 FT FROM 05N TO 25N BETWEEN 175E
AND 160W.
.48 HOUR FORECAST SEAS SUBSIDING TO BELOW 8 FT.

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.ITCZ FROM 01N165W TO 03N159W TO . SCATTERED MODERATE WITHIN 210 NM
OF ITCZ BETWEEN 180W AND 150W.




$$

.FORECASTER PECHACEK. HONOLULU HI.