173
FZPN40 PHFO 281510
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SUN APR 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 28 2024.
24 HOUR FORECAST VALID 1200 UTC APR 29 2024.
48 HOUR FORECAST VALID 1200 UTC APR 30 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N165W 23N170W 20N180E MOVING E 10 KT N OF 25N AND NEARLY
STATIONARY S OF 25N. SE WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT WITHIN
120 NM E OF FRONT N OF 28N. SEAS 8 TO 10 FT N OF 28N BETWEEN 172W
AND 178W. ISOLATED MODERATE TSTMS WITHIN 120 NM OF FRONT N OF 26N.
.24 HOUR FORECAST FRONT 30N162W 26N165W THENCE TROUGH 21N172W. ASSOCIATED
WINDS EASED TO 20 KT OR LESS AND SEAS LOWERED TO 8 FT OR LOWER.
.48 HOUR FORECAST FRONT DISSIPATED. TROUGH 30N160W 25N164W.

.TROUGH 24N167E 18N166E MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH 24N165E 19N166E.
.48 HOUR FORECAST TROUGH 23N165E 20N165E.

.24 HOUR FORECAST NEW FRONT 30N164E 28N160E.
.48 HOUR FORECAST FRONT 30N173E 27N166E 28N160E.

.E WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT FROM 05N TO 18N E OF 152W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT BETWEEN 07N
TO 20N E OF 150W.
.48 HOUR FORECAST E WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT BETWEEN 08N
AND 12N E OF 153W.

.WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST
AREA.

.ITCZ 05N140W 03N150W 01N167W. SCATTERED MODERATE TSTMS FROM ITCZ TO
08N BETWEEN 162W AND 145W.

.ISOLATED MODERATE TSTMS S OF 04S BETWEEN 165E AND 170E... AND FROM
05N TO 10N BETWEEN 177E AND 177W.

$$

.FORECASTER SHIGESATO. HONOLULU HI.