258
FZPN40 PHFO 221507
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC WED MAY 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22 2024.
24 HOUR FORECAST VALID 1200 UTC MAY 23 2024.
48 HOUR FORECAST VALID 1200 UTC MAY 24 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 30N163W TO 19N168W MOVING W SLOWLY.
ISOLATED MODERATE TSTMS WITHIN 180 NM OF TROUGH N
OF 24N.
.24 HOUR FORECAST TROUGH FROM 30N166W TO 21N170W.
.48 HOUR FORECAST TROUGH FROM 30N167W TO 25N168W TO
20N172W.

.TROUGH FROM 09N177W TO 04N179E MOVING W 10 KT.
SCATTERED MODERATE TSTMS WITHIN 210 NM OF TROUGH N OF
07N. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 240 NM
OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 10S176E TO 04N171E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW TROUGH FROM 20N179W TO 15N175E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.NE TO E WINDS 20 TO 25 KT FROM 18N TO 06N E OF 163W.
WINDS E TO SE 20 TO 25 KT BETWEEN 154W AND 159W N OF
22N.
.24 HOUR FORECAST E TO NE WINDS 20 TO 25 KT FROM 19N TO
07N E OF 162W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 18N TO 08N
BETWEEN 148W TO 164W.

.SEAS 8 TO 9 FT FROM 18N TO 08N E OF 149W.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 13N TO 07N BETWEEN
145W AND 155W.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 12N TO 07N BETWEEN
152W AND 160W.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS.

.ISOLATED MODERATE TSTMS FROM 09N TO 04N BETWEEN 165W AND
172W.

.ITCZ FROM 06N140E TO 06N150W TO 03N161W. ISOLATED MODERATE
TSTMS WITHIN 210 NM OF ITCZ.


$$

.FORECASTER THOMAS. HONOLULU HI.