714
FZPS40 PHFO 181019
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC WED SEP 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SEP 18 2024.
24 HOUR FORECAST VALID 0600 UTC SEP 19 2024.
48 HOUR FORECAST VALID 0600 UTC SEP 20 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT 25S133W 22S137W 20S143W MOVING E SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 90 NM E OF FRONT.
.24 HOUR FORECAST FRONT DISSIPATED.

.FRONT 25S160W 21S165W 18S171W 12S176E 11S160E. FRONT MOVING E 15
KT S OF 18S AND NE SLOWLY N OF 18S. WINDS 20 TO 25 KT FROM 17S TO
12S W OF 175E.
.24 HOUR FORECAST FRONT 25S149W 21S153W 16S170W 12S178E 10S171E.
WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT WEAKENS TO TROUGH 25S141W 19S148W 13S163W
10S169E. WINDS INCREASING 20 TO 25 KT IN AREA BOUNDED BY 12S177E
15S170W 21S158W 22S160W 18S173W 14S176E 12S177E.

.TROUGH 16S177W 12S166W 10S174W 07S171E NEARLY STATIONARY.
ISOLATED MODERATE TSTMS WITHIN 150 NM EITHER SIDE OF TROUGH W OF
171W.
.24 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 11 FT S OF LINE 11S160E 12S166E 19S162E 23S167E 17S173E
25S170W.
.24 HOUR FORECAST SEAS 8 TO 11 FT S OF LINE 25S164E 14S174E
14S178E 19S170W 25S162W.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF LINE 12S170W 21S173W
23S178E 19S172E 12S172E 10S175E 10S179E 14S179E 17S177E 19S178W
14S176W 16S163W 25S154W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST

.ISOLATED MODERATE TSTMS S OF 15S E OF 133W.

$$

.FORECASTER PIERCE. HONOLULU HI.