High Seas Forecast
Issued by NWS

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FZPS40 PHFO 271025
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC TUE JUL 27 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E

SYNOPSIS VALID 0600 UTC JUL 27 2021.
24 HOUR FORECAST VALID 0600 UTC JUL 28 2021.
48 HOUR FORECAST VALID 0600 UTC JUL 29 2021.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 19S171W TO 16S170E TO 13S160E NEARLY STATIONARY. SE
WINDS 20 TO 30 KT BETWEEN FRONT AND 20S W OF 178E.
.24 HOUR FORECAST FRONT FROM 18S172W TO 15S170E TO 13S160E. SE WINDS
20 TO 25 KT BETWEEN FRONT AND 19S W OF 180E.
.48 HOUR FORECAST FRONT DISSIPATED. WINDS EASED TO 20 KT OR LESS.

.FRONT FROM 25S149W TO 21S155W TO 18S167W MOVING E 10 KT S OF 21S...
AND NEARLY STATIONARY ELSEWHERE. ISOLATED MODERATE TSTMS BETWEEN
FRONT AND 145W S OF 24S.
.24 HOUR FORECAST FRONT FROM 25S143W TO 19S151W TO 18S156W TO
17S165W.
.48 HOUR FORECAST FRONT 25S136W TO 18S152W TO 15S174W. E TO SE WINDS
20 TO 25 KT FROM 13S TO 17S BETWEEN 169W AND 175W.

.TROUGH FROM 25S121W TO 22S126W MOVING SW SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW FRONT FROM 25S164W TO 23S168W.
.48 HOUR FORECAST FRONT FROM 25S159W TO 21S166W.

.RIDGE FROM 25S128W TO 16S154W NEARLY STATIONARY...AND GRADUALLY
ERODING FROM THE W.

.RIDGE FROM 25S177E TO 21S172W TO 22S165W MOVING S SLOWLY...AND
GRADUALLY BUILDING TOWARD THE E.

.E TO SE WINDS 20 TO 25 KT E OF LINE FROM 04S154W TO 13S136W TO
17S126W.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 04S TO 14S E OF
130W.
.48 HOUR FORECAST OTHER THAN DESCRIBED ABOVE...WINDS EASED TO 20 KT
OR LESS.

.WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS 8 TO 9 FT S OF 23S BETWEEN 167E AND 175E.
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF LINE FROM 07S120W TO 11S125W
TO 22S131W...AND S OF 22S BETWEEN 176W AND 178E.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF 09S E OF 132W. SEAS 8 TO 9 FT
S OF 21S BETWEEN 132W AND 146W.

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 02S TO 04S BETWEEN 169W AND 172W.

$$

.FORECASTER KINEL. HONOLULU HI.


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