421
FZPS40 PHFO 040905
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC THU JUL 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 04 2024.
24 HOUR FORECAST VALID 0600 UTC JUL 05 2024.
48 HOUR FORECAST VALID 0600 UTC JUL 06 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 25S177E TO 21S174E 16S172E MOVING E 10 KT.
.24 HOUR FORECAST TROUGH FROM 25S175W TO 18S177E. WINDS 20 TO 25
KT S OF 23S BETWEEN 175E AND 177W.
.48 HOUR FORECAST TROUGH STRENGTHENED TO FRONT FROM 25S166W TO
17S170W. WINDS 20 TO 25 KT S OF 23S BETWEEN 170W AND 160W.

.24 HOUR FORECAST NEW TROUGH FROM 04S169E TO 11S172E. WINDS 20 TO
25 KT S OF A LINE FROM 07S160E TO 12S170E TO 25S178E.
.48 HOUR FORECAST TROUGH FROM 01S163E TO 09S170E. WINDS 20 TO 30
KT S OF A LINE FROM 08S160E TO 18S180W TO 25S170W.

.E TO SE WINDS 20 TO 25 KT FROM 20S TO 08S E OF 180W... AND S OF
21S W OF 165E.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 22S TO 08S E OF
160W.
.48 HOUR FORECAST WINDS 20 TO 25 KT S OF 07S E OF 150W.

.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 8 TO 12 FT E OF A LINE FROM 00S155W TO 08S180W TO 15S180W TO
20S160W TO 23S120W. SEAS 9 TO 10 FT S OF 20S W OF 179W.
.24 HOUR FORECAST SEAS 8 TO 10 FT FROM 20S TO 07S E OF 180W... AND
S OF A LINE FROM 11S160E TO 20S172E. SEAS 8 TO 9 FT ELSEWHERE S OF
20S BETWEEN 178W AND 162W.
.48 HOUR FORECAST SEAS 12 TO 14 FT S OF 21S W OF 177W... AND FROM
15S TO 11S W OF 163E. SEAS 8 TO 11 FT ELSEWHERE S OF A LINE FROM
07S160E TO 18S180W TO 20S170W TO 10S165W TO 05S140W TO 06S120W.

.OTHERWISE...SEAS 8 FT OR LESS OVER REMAINDER OF FORECAST AREA.

.NUMEROUS STRONG TSTMS N OF 11S W OF 180W. SCATTERED MODERATE
TSTMS ELSEWHERE N OF 12S W OF 175W.

$$

.FORECASTER SHIGESATO. HONOLULU HI.