576
FZPS40 PHFO 192259
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SEP 19 2024.
24 HOUR FORECAST VALID 1800 UTC SEP 20 2024.
48 HOUR FORECAST VALID 1800 UTC SEP 21 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S149W 22S153W 20S158W 18S162W THENCE TROUGH 13S171W
08S176W. FRONT MOVING E 15 KT S OF 22S AND NEARLY STATIONARY N OF
22S. TROUGH NEARLY STATIONARY.
.24 HOUR FORECAST FRONT 25S142W 20S149W. TROUGH DISSIPATED.
.48 HOUR FORECAST FRONT 25S137W 21S143W 20S145W.

.FRONT 17S169W 13S179E 11S173E NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 120 NM EITHER SIDE OF FRONT.
.24 HOUR FORECAST FRONT DISSIPATED.

.TROUGH 16S151W 12S158W 07S163W MOVING E SLOWLY.
.24 HOUR FORECAST TROUGH 18S148W 13S154W 08S159W.
.48 HOUR FORECAST TROUGH DISSIPATES.

.TROUGH 11S147W 07S152W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH MERGES WITH TROUGH LISTED
IMMEDIATELY ABOVE.

.48 HOUR FORECAST NEW TROUGH 04S163E 06S177E 09S161W.

.WINDS EASED TO 20 KT OR LESS.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 20S TO 14S BETWEEN 170W
AND 160W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 19S TO 15S BETWEEN 166W
AND 155W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 11 FT S OF LINE 25S158W 15S175W 19S178W 17S176E 12S178E
13S171E 25S168E.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF 15S BETWEEN 172W AND 155W.
SEAS 8 TO 9 FT FROM 16S TO 10S BETWEEN 173E AND 178E.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 22S TO 16S BETWEEN 170W
AND 148W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

$$

.FORECASTER TROTTER. HONOLULU HI.