478
FZPN40 PHFO 202212
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC MON MAY 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAY 20 2024.
24 HOUR FORECAST VALID 1800 UTC MAY 21 2024.
48 HOUR FORECAST VALID 1800 UTC MAY 22 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 30N160W TO 23N164W TO 19N169W MOVING W SLOWLY. SE
WINDS 20 TO 25 KT N OF 28N BETWEEN 156W AND 159W. ISOLATED
MODERATE TSTMS WITHIN 180 NM E OF TROUGH FROM 21N TO 25N.
.24 HOUR FORECAST TROUGH FROM 30N161W TO 23N167W TO 16N177W.
ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST TROUGH FROM 30N164W TO 24N167W 19N172W. SE WINDS
20 TO 25 KT N OF 27N BETWEEN 158W AND 163W.

.NE TO E WINDS 20 TO 25 KT SEAS 8 TO 9 FT FROM 07N TO 13N BETWEEN
146W AND 170W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT SEAS 8 TO 9 FT FROM
07N TO 19N E OF 147W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT SEAS 8 TO 9 FT FROM
07N TO 19N E OF 158W.

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

.ISOLATED MODERATE TSTMS FROM 01N TO 09N W OF 163E.

.ITCZ FROM 05N140W TO 05N158W TO 06N178W TO 03N173E. SCATTERED
MODERATE TSTMS FROM 05N TO 09N BETWEEN 162W AND 177W.

$$

.FORECASTER BIRCHARD. HONOLULU HI.