023
FZPN40 PHFO 230330
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC THU MAY 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 23 2024.
24 HOUR FORECAST VALID 0000 UTC MAY 24 2024.
48 HOUR FORECAST VALID 0000 UTC MAY 25 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N167W 19N168W MOVING W SLOWLY. ISOLATED MODERATE TSTMS
WITHIN 300 NM E OF TROUGH N OF 26N.
.24 HOUR FORECAST TROUGH 30N168W 19N170W.
.48 HOUR FORECAST TROUGH 30N169W 2N173W 19N176W.

.TROUGH 09N175W 03N170E MOVING W 10 KT. SCATTERED MODERATE TSTMS
WITHIN 180 NM OF TROUGH N OF 08N. ISOLATED MODERATE TSTMS
ELSEWHERE WITHIN 240 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 11N176E 04N169E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.NE TO E WINDS 20 TO 25 KT N OF 07N AND E OF 162W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT N OF 07N AND E OF
165W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 27N
BETWEEN 165W AND 148W.

.SEAS 8 TO 10 FT FROM 03N TO 28N E OF 161W.
.24 HOUR FORECAST SEAS 8 TO 10 FT FROM 03N TO 27N E OF 165W.
.48 HOUR FORECAST SEAS 8 TO 10 FT FROM 05N TO 18N BETWEEN 169W
AND 142W.

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

.ISOLATED MODERATE TSTMS FROM 09N TO 13N BETWEEN 173W AND 179W.

.ITCZ 06N140E 04N155W 07N170W. ISOLATED MODERATE TSTMS WITHIN 120
NM OF ITCZ.

$$

.FORECASTER PIERCE/POWELL. HONOLULU HI.