345
FZPN40 PHFO 211028
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC TUE MAY 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAY 21 2024.
24 HOUR FORECAST VALID 0600 UTC MAY 22 2024.
48 HOUR FORECAST VALID 0600 UTC MAY 23 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 30N159W TO 26N161W TO 19N169W MOVING W 10 KT. SE
WINDS 20 TO 25 KT N OF 28N BETWEEN 156W AND 159W. ISOLATED
MODERATE TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 30N164W TO 19N170W.
.48 HOUR FORECAST TROUGH FROM 30N165W TO 20N169W.

.24 HOUR FORECAST NEW TROUGH FROM 18N176W TO 10N177E.
.48 HOUR FORECAST TROUGH FROM 19N179E TO 13N175E.

.NE TO E WINDS 20 TO 25 KT FROM 22N TO 07N E OF 153W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT E OF A LINE FROM
30N149W TO 25N156W TO 07N159W TO 06N140W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT N OF 07N E OF
159W.

.SEAS 8 TO 9 FT FROM 18N TO 08N E OF 145W.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 18N TO 07N E OF 150W.
.48 HOUR FORECAST SEAS 13N TO 07N BETWEEN 145W AND 155W.

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

.ISOLATED MODERATE TSTMS FROM 05N TO 10N W OF 162E.

.ITCZ FROM 06N140W TO 07N168W TO 05N179E. ISOLATED
MODERATE TSTMS WITHIN 210 NM OF ITCZ W OF 164W.

$$

.FORECASTER THOMAS. HONOLULU HI.