773
FZPN40 PHFO 182238
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC WED SEP 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL
OCTOBER 16 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND
GRAPHICAL PRODUCTS FOR THE OFFSHORE AND HIGH SEAS AREAS ONLY.
TO LEARN MORE PLEASE VISIT
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP


SECURITE

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1800 UTC SEP 18 2024.
24 HOUR FORECAST VALID 1800 UTC SEP 19 2024.
48 HOUR FORECAST VALID 1800 UTC SEP 20 2024.

.WARNINGS.


.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 23N170W 17N173W MOVING W AT 10 KT. ISOLATED MODERATE
TSTMS WITHIN 150 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH 22N177W 18N179W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 16N172E 11N173E MOVING W AT 10 KT. ISOLATED MODERATE
TSTMS WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 13N164E 07N167E.
.48 HOUR FORECAST TROUGH 13N162E 10N160E.

.24 HOUR FORECAST NEW TROUGH 16N164W 13N169W.
.48 HOUR FORECAST TROUGH 16N171W 13N175W.

.48 HOUR FORECAST NEW TROUGH 13N179W 09N171E.

.WINDS 20 TO 25 KT N OF 25N BETWEEN 165W AND 156W...AND FROM
08N TO 03N BETWEEN 167W AND 159W.
.24 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 9 FT FROM 18N TO 11N BETWEEN 170W AND 146W.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 15N TO 05N BETWEEN 177W
AND 165W.
.48 HOUR FORECAST SEAS 8 TO 10 FT FROM 17N TO 12N BETWEEN
177E AND 175W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ 09N140W 08N150W 11N159W 07N175W 06N175E. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 210 NM OF ITCZ.

.ISOLATED MODERATE TSTMS N OF 26N BETWEEN 171W AND 158W.

$$

.FORECASTER TROTTER. HONOLULU HI.