487
FZPN40 PHFO 261041
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC THU SEP 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 26 2024.
24 HOUR FORECAST VALID 0600 UTC SEP 27 2024.
48 HOUR FORECAST VALID 0600 UTC SEP 28 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FIRST LOW NEAR 14N172W 1010 MB. SECOND LOW NEAR 07N171E 1008 MB.
TROUGH 21N168W TO FIRST LOW TO 12N174W 09N176E 08N174E TO SECOND
LOW TO 05N168E. LOWS AND TROUGH MOVING NW SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 60 NM OF LOWS AND TROUGH.
.24 HOUR FORECAST FIRST LOW DISSIPATED. SECOND LOW NEAR 07N169E
1011MB. TROUGH 21N173W 12N175W 11N176W TO SECOND LOW TO 03N166E.
.48 HOUR FORECAST SECOND LOW NEAR 07N163E. TROUGH 12N172E TO
SECOND LOW TO 03N161E.

.24 HOUR FORECAST NEW TROUGH 12N160W 06N162W 03N167W
.48 HOUR FORECAST TROUGH 14N166W 05N170W.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 8 TO 9 FT N OF LINE 30N144W 17N153W 17N160W 13N156W 14N148W
21N140W.
.24 HOUR FORECAST SEAS SUBSIDE 8 FT OR LESS.

.SEAS 8 FT OR LESS OVER REMAINDER FORECAST AREA.

.MONSOON TROUGH 10N140W 10N158W 13N165W. ISOLATED MODERATE TSTMS
WITHIN 120 NM OF EITHER SIDE OF TROUGH.

.ISOLATED MODERATE TSTMS FROM 13N TO 23N W OF 163E...N OF 22N
BETWEEN 176W AND 163W...AND M 12N TO 20N BETWEEN 163W AND 155W.


$$

.FORECASTER PIERCE. HONOLULU HI.