804
FZPN40 PHFO 241051
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC TUE SEP 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 24 2024.
24 HOUR FORECAST VALID 0600 UTC SEP 25 2024.
48 HOUR FORECAST VALID 0600 UTC SEP 26 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 11N171W 1008 MB MOVING N SLOWLY. TROUGH 13N164W TO LOW
TO 09N177W MOVING W SLOWLY. WINDS 20 TO 30 KT AND SEAS 8 TO 9 FT
WITHIN 240 NM OF TROUGH AND LOW. NUMEROUS MODERATE TO STRONG
TSMTS WITHIN 180 NM OF TROUGH. ISOLATED MODERATE TSTMS ELSEWHERE
WITHIN 360 NM OF TROUGH.
.24 HOUR FORECAST LOW NEAR 12N171W 1009 MB. TROUGH 15N168W TO LOW
TO 09N172E. WINDS 20 TO 30 KT AND SEAS 8 TO 11 FT WITHIN 180 NM E
OF TROUGH AND LOW E OF 170W.
.48 HOUR FORECAST LOW NEAR 15N171W 1011 MB. NEW SECOND LOW
08N177E 1009 MB. TROUGH 18N170W TO LOW 09N174W TO SECOND LOW TO
12N165E. WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT FROM 16N TO 21N
BETWEEN 165W AND 171W.

.TROUGH 13N143W 08N152W MOVING W SLOWLY. WINDS 20 TO 25 KT WITHIN
180 NM OF TROUGH E OF 147W. ISOLATED MODERATE TSTMS WITHIN 240 NM
N OF TROUGH E OF 146W.
.24 HOUR FORECAST TROUGH 13N144W 09N155W. ASSOCIATED WINDS
DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST TROUGH 12N147W 06N157W.

.TROUGH 18N166E 05N161E MOVING W SLOWLY. SCATTERED MODERATE TSTMS
WITHIN 180 NM OF TROUGH N OF 15N.
.24 HOUR FORECAST TROUGH 18N163E 08N160E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH 29N162E 21N160E MOVING NW SLOWLY. SCATTERED MODERATE
TSTMS N OF 23N BETWEEN 170E AND 162E.
.24 HOUR FORECAST TROUGH 30N161E 27N160E.
.48 HOUR FORECAST TROUGH MOVED NW OF FORECAST AREA.

.WEAK TROUGH 29N159W 23N161W MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHIN 120 NM W OF TROUGH S OF 25N.
.24 HOUR FORECAST TROUGH DISSIPATED.

.OTHERWISE WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 9 FT N OF LINE 30N157W 25N166W 25N180W.
.24 HOUR FORECAST SEAS 8 TO 9 FT N OF LINE 30N143W 24N150W
25N157W.
.48 HOUR FORECAST SEAS SUBSIDED TO 8 FT OR LESS.

.OTHERWISE SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

$$

.FORECASTER ALMANZA. HONOLULU HI.