333
FZPS40 PHFO 181021
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC THU JUL 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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
JULY 29 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 JUL 18 2024.
24 HOUR FORECAST VALID 0600 UTC JUL 19 2024.
48 HOUR FORECAST VALID 0600 UTC JUL 20 2024.

.WARNINGS.

...GALE WARNING...
.FRONT 25S165E 19S160E MOVING E 20 KT.
.12 HOUR FORECAST NEW LOW 25S171E 1004 MB. FRONT FROM LOW
TO 15S165E THENCE TROUGH 11S160E. WINDS 30 TO 35 KT S OF 22S
BETWEEN 169E AND 172E. WINDS 20 TO 30 KT ELSEWHERE S OF LINE
12S160E 19S168E 23S178E 25S178E.
.24 HOUR FORECAST LOW MOVED S OF FORECAST AREA. FRONT 25S175E
14S169E THENCE TROUGH 07S160E. WINDS 30 TO 35 KT S OF LINE 25S166E
21S174E 25S179E. WINDS 20 TO 30 KT ELSEWHERE S OF LINE 10S160E
18S171E 25S177W.
.48 HOUR FORECAST FRONT 25S174W 16S175E THENCE TROUGH 11S160E.
WINDS EASED TO 20 KT OR LESS.

...GALE WARNING...
.24 HOUR FORECAST NEW FRONT 25S138W 22S144W 20S150W MOVING E 20
KT. WINDS 30 TO 35 KT S OF LINE 25S145W 21S137W 25S131W. WINDS 20
TO 30 KT ELSEWHERE S OF LINE 25S160W 21S158W 18S139W 25S126W.
.48 HOUR FORECAST FRONT 25S131W 21S135W 15S147W. WINDS 20 TO 30
KT S OF LINE 25S162W 18S157W 20S129W 25S125W.

.SYNOPSIS AND FORECAST.

.FRONT 25S134W 21S137W 18S146W MOVING SLOWLY W. ISOLATED MODERATE
TSTMS S OF 23S BETWEEN 138W AND 131W.
.24 HOUR FORECAST FRONT MERGED WITH FRONT AS DESCRIBED ABOVE.

.TROUGH 23S169W 18S170E 11S160E NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 08S167E 03S168E MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 TO 25 KT N OF 11S BETWEEN 174W AND 160W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 13S TO 07S BETWEEN 179W
AND 163W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 12S TO 07S
BETWEEN 179W AND 169W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 11 FT S OF LINE 25S164W 23S155W 23S145W 19S141W
25S127W. SEAS 8 TO 9 FT E OF LINE 05S120W 04S136W 09S138W
18S120W...AND N OF 10S BETWEEN 170W AND 153W.
.24 HOUR FORECAST SEAS 8 TO 12 FT S LINE 25S162W 19S150W 19S133W
07S120W...AND S OF LINE 19S160E 23S167E 19S172E 25S179E. SEAS 8 TO
9 FT IN AREA BOUND BY 10S177W 01S167W 05S160W 12S168W 10S177W.
.48 HOUR FORECAST SEAS 8 TO 12 FT S OF LINE 25S169E 20S175E
25S175W...AND 25S160W 17S146W 22S127W. SEAS 8 TO 10 FT E OF LINE
05S120W 09S130W 16S130W 25S126W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.SCATTERED MODERATE TSTMS N OF 15S W OF 175E.


$$

.FORECASTER PIERCE. HONOLULU HI.