460
FZPS40 PHFO 172248
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC WED JUL 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JUL 17 2024.
24 HOUR FORECAST VALID 1800 UTC JUL 18 2024.
48 HOUR FORECAST VALID 1800 UTC JUL 19 2024.

.WARNINGS.

...GALE WARNING...
.12 HOUR FORECAST NEW LOW 18S164E 1011 MB. TROUGH FROM LOW
TO 25S170E. LOW AND TROUGH MOVING SE 20 KT.
.24 HOUR FORECAST LOW 25S169E. FRONT FROM LOW TO 18S162E.
WINDS 25 TO 35 KT WITHIN 180 NM OF LOW. WINDS 20 TO 30 KT
ELSEWHERE S OF LINE 14S160E 25S180W.
.48 HOUR FORECAST LOW MOVED S OF AREA. FRONT 25S178W 15S169E.
WINDS 25 TO 35 KT S OF 22S BETWEEN 165E AND 180W. WINDS
20 TO 25 KT ELSEWHERE S OF 20S BETWEEN 165E AND 175W.

...GALE WARNING...
.24 HOUR FORECAST NEW FRONT 25S145W 22S154W MOVING E 20 KT.
WINDS 30 TO 35 KT S OF 22S BETWEEN 150W AND 135W. WINDS 20 TO
30 KT ELSEWHERE S OF 20S BETWEEN 160W AND 125W.
.48 HOUR FORECAST FRONT 25S133W 20S140W 17S150W. WINDS 30 TO
40 KT S OF 22S BETWEEN 145W AND 130W.

.SYNOPSIS AND FORECAST.

.FRONT 25S170W 18S175E THENCE TROUGH 10S160E NEARLY STATIONARY.
.24 HOUR FORECAST FRONT AND FRONT DISSIPATED.

.FRONT 25S133W 20S137W 16S147W THENCE TROUGH 12S161W. FRONT
AND TROUGH SLOWLY MOVING W.
.24 HOUR FORECAST FRONT WEAKENS TO TROUGH. TROUGH 25S133W
18S147W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 05S170E 07S165E MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 TO 25 KT N OF 10S BETWEEN 180W AND 150W.
.24 HOUR FORECAST WINDS 20 TO 25 KT N OF LINE 00S175W 15S175W
15S165W 00S150W...AND FROM 15S TO 05S E OF 120W.
.48 HOUR FORECAST WINDS 20 TO 25 KT WITHIN 180 NM OF POINT
10S169W...AND FROM 20S TO 10S E OF 125W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 10 FT E OF LINE 05S130W 15S128W 20S120W...AND S OF
LINE 25S150W 20S140W 25S135W.
.24 HOUR FORECAST SEAS 8 TO 12 FT S OF 20S E OF 165W...AND S
OF 20S W OF 175E.
.48 HOUR FORECAST SEAS 12 TO 18 FT S OF LINE 25S140W 22S140W
25S132W...AND S OF 22S BETWEEN 175E AND 180W. SEAS 8 TO 12
FT ELSEWHERE S OF LINE 25S165E 18S172E 25S175W...AND E OF LINE
25S160W 18S150W 20S130W 10S130W 10S120W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.SCATTERED MODERATE TSTMS N OF 15S W OF 175E...AND WITHIN 240
NM OF POINT 02S164W.


$$

.FORECASTER PECHACEK. HONOLULU HI.