FZPS40 PHFO 260951
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC MON AUG 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 26 2024.
24 HOUR FORECAST VALID 0600 UTC AUG 27 2024.
48 HOUR FORECAST VALID 0600 UTC AUG 28 2024.

.WARNINGS.

...GALE WARNING...
.LOW 25S178W 1013 MB MOVING E 10 KT. TROUGH FROM LOW TO 15S170W
MOVING SE 10 KT. WINDS 30 TO 35 KT S OF A TROUGH. WINDS 20 TO 30
KT S OF LINE FROM 25S180W 10S160W 10S150W 17S137W. ISOLATED
MODERATE TSTMS FROM 21S TO 17S BETWEEN 175W AND 168W.
.24 HOUR FORECAST LOW 23S167W 1008 MB. TROUGH STRENGTHENED TO
FRONT FROM LOW TO 20S164W 12S169W. WINDS 30 TO 35 KT WITHIN 60 NM
OF LOW... AND S OF 21S BETWEEN LOW AND 158W. WINDS 20 TO 30 KT
ELSEWHERE S OF LINE 20S170W 11S160W 13S150W.
.48 HOUR FORECAST LOW NEAR 25S161W 1002 MB. FRONT FROM LOW TO
24S157W 15S161W THENCE TROUGH 08S173W. WINDS 20 TO 30 KT S OF 20S
BETWEEN 167W AND 150W.

.SYNOPSIS AND FORECAST.

.FRONT 25S131W 19S135W 15S140W THENCE TROUGH 12S150W. FRONT AND
TROUGH MOVING E 10 KT. WINDS 20 TO 25 KT S 21S BETWEEN FRONT AND
120W.
.24 HOUR FORECAST FRONT 25S125W 15S137W THENCE TROUGH 14S150W.
WINDS 20 TO 25 KT S OF 23S BETWEEN FRONT AND 120W.
.48 HOUR FORECAST FRONT 23S120W 17S128W THENCE TROUGH 14S141W.
WINDS DIMINISHED TO 20 KT OR LESS.

.TROUGH 17S175W 08S170E 03S160E MOVING E SLOWLY. SCATTERED
MODERATE TSTMS WITHIN 150 NM S OF TROUGH. ISOLATED MODERATE TSTMS
ELSEWHERE FROM 10S TO 07S BETWEEN 180W AND 177W.
.24 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED IN WARNING
SECTION ABOVE.

.48 HOUR FORECAST NEW TROUGH 25S175W 18S180W.

.WINDS 20 TO 25 KT FROM 10S BETWEEN 167W AND 160W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 20S TO 10S W OF 173E.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 20S TO 08S W OF 170E.

.SEAS 12 TO 14 FT WITHIN 150 NM OF LINE FROM 23S173W 15S156W.
SEAS 8 TO 12 FT ELSEWHERE S OF LINE 25S175W 10S165W 10S150W
25S132W. SEAS 8 TO 11 FT N OF 13S E OF 140W. SEAS 8 TO 10 FT N OF
06S BETWEEN 166W AND 144W.
.24 HOUR FORECAST SEAS 12 TO 14 FT S OF 17S BETWEEN 175W AND
160W... AND S OF 22S BETWEEN 142W AND 130W. SEAS 8 TO 12 FT
ELSEWHERE S OF A LINE FROM 16S BETWEEN 180W AND 130W. SEAS 8 TO 9
FT N OF 16S BETWEEN 165W AND 147W... AND FROM 17S TO 08S E OF 125W.
.48 HOUR FORECAST SEAS 12 TO 13 FT S OF 21S BETWEEN 160W AND
157W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 20S170E 20S150W 13S140W
15S125W 23S120W. SEAS 8 TO 9 FT N OF 10S BETWEEN 160W AND 147W.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS.

$$

.FORECASTER SHIGESATO. HONOLULU HI.