439
FZPN40 PHFO 221037
HSFNP

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 11N141W 1007 MB MOVING W SLOWLY. WINDS 20 TO 25 KT FROM
08N TO 20N E OF 142W. SCATTERED MODERATE TSTMS WITHIN 150 NM OF
LOW.
.24 HOUR FORECAST LOW NEAR 11N142W 1010 MB. WINDS 20 TO 25 KT
FROM 13N TO 18N E OF 147W. SEAS 8 TO 10 FT FROM 12N TO 16N BETWEEN
146W AND 142W.
.48 HOUR FORECAST LOW NEAR 12N147W 1008 MB. WINDS 20 TO 30 KT
FROM 12N TO 18N FROM 150W TO 142W. SEAS 8 TO 10 FT FROM 12N TO 17N
BETWEEN 149W TO 144W.

.LOW NEAR 08N162W 1011 MB MOVING W 10 KT. ISOLATED MODERATE TSTMS
WITHIN 180 NM OF LOW.
.24 HOUR FORECAST LOW DISSIPATED.

.TROUGH 30N177E 25N174E 20N177E MOVING W SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 180 NM E OF TROUGH.
.24 HOUR FORECAST WEAKENING TROUGH 30N169E 23N170E.
.48 HOUR FORECAST TROUGH 28N163E 24N160E.

.TROUGH 19N178E 13N170E 14N160E MOVING SW SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 180 NM EITHER SIDE OF TROUGH.
.24 HOUR FORECAST TROUGH 18N172E 11N169E 13N160E.
.48 HOUR FORECAST TROUGH 16N166E 10N163E 05N163E.

.TROUGH 30N151W 24N148W MOVING W 10 KT. ISOLATED MODERATE TSTMS
WITHIN 120 NM W OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 19N TO 27N BETWEEN 179W
AND 170W.
.48 HOUR FORECAST WINDS FROM 20 TO 25 KT FROM 18N TO 28N BETWEEN
179W AND 168W...AND FROM 10N TO 15N BETWEEN 165W AND 162W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.48 HOUR FORECAST SEAS 8 TO 10 FT N OF LINE 30N176W 26N177E
20N179E 19N174W 26N174W 24N171W 30N160W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.MONSOON TROUGH 11N140W 08N148W 09N160W 06N167. ISOLATED MODERATE
TSTMS WITHIN 120 NM OF MONSOON TROUGH.



$$

.FORECASTER PIERCE. HONOLULU HI.