560
FZPN40 PHFO 181516
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SEP 18 2024.
24 HOUR FORECAST VALID 1200 UTC SEP 19 2024.
48 HOUR FORECAST VALID 1200 UTC SEP 20 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST TROUGH 30N172W 27N170W MOVING W 10 KT.
.48 HOUR FORECAST TROUGH 30N176W 27N175W.

.WINDS 20 TO 25 KT FROM 12N TO 15N BETWEEN 170W AND 162W...AND N
OF 24N BETWEEN 165W AND 156W.
.24 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 9 FT FROM 10N TO 17N BETWEEN 169W AND 145W.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 11N TO 15N BETWEEN 175W AND
169W.
.48 HOUR FORECAST SEAS SUBSIDED TO 8 FT OR LOWER.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ 08N140W 09N145W 11N161W 08N170W 07N177E 10N165E. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 210 NM OF ITCZ.

.ISOLATED MODERATE TSTMS FROM 10N TO 15N BETWEEN 172E AND
179E...FROM 17N TO 23N BETWEEN 174W AND 176W...AND N OF 25N
BETWEEN 171W AND 160W.


$$

.FORECASTER PIERCE. HONOLULU HI.