537
FZPS40 PHFO 190336
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC THU SEP 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E

SYNOPSIS VALID 0000 UTC SEP 19 2024.
24 HOUR FORECAST VALID 0000 UTC SEP 20 2024.
48 HOUR FORECAST VALID 0000 UTC SEP 21 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25S134W 19S132W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 13S155W 08S161W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.FRONT 25S152W 21S157W 18S165W 15S175W 12S177E. FRONT MOVING E
15 KT S OF 18S AND NEARLY STATIONARY N OF 18S. ISOLATED MODERATE
TSTMS FROM 14S TO 11S BETWEEN 173E AND 177W.
.24 HOUR FORECAST FRONT 25S151W 21S157W 19S169W. WINDS 20 TO 25
KT FROM 17S TO 13S BETWEEN 177E AND 166W.
.48 HOUR FORECAST FRONT WEAKENS TO TROUGH 25S139W 18S141W. WINDS
EASED TO 20 KT OR LESS.

.TROUGH 11S170W 10S179E 06S172E MOVING NE AT 10 KT. ISOLATED
MODERATE TSTMS FROM 12S TO 09S BETWEEN 171W AND 165W.
.24 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW TROUGH 09S167W 03S174W.
.48 HOUR FORECAST TROUGH 07S168W 03S175W.

.48 HOUR FORECAST NEW TROUGH 06S171E 03S169E.

.WINDS EASED TO 20 KT OR LESS.
.24 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 20S TO 17S BETWEEN
173W AND 159W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 12 FT S OF LINE 25S165W 19S179W 19S177W 15S175E
22S167E 19S163E 16S160E.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF LINE 25S157W 18S163W
15S175W 19S178E 11S178E 11S172E 25S173E.
.48 HOUR FORECAST SEAS 8 TO 9 FT S OF LINE 25S174W 17S154W
10S176E 15S173E 25S163W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST.

$$

.FORECASTER TROTTER. HONOLULU HI.