National Weather Service United States Department of Commerce

000
FZPS40 PHFO 260322
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SUN SEP 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SEP 26 2021.
24 HOUR FORECAST VALID 0000 UTC SEP 27 2021.
48 HOUR FORECAST VALID 0000 UTC SEP 28 2021.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S157W TO 15S166W TO 11S180W TO 11S163E MOVING E 10 KT
E OF 175W...AND NEARLY STATIONARY ELSEWHERE. NW TO N WINDS 20 TO 25
KT WITHIN 150 NM E OF FRONT S OF 20S. ISOLATED MODERATE TSTMS WITHIN
120 NM E OF FRONT S OF 20S...AND WITHIN 150 NM OF FRONT W OF 175W.
.24 HOUR FORECAST FRONT FROM 25S153W TO 14S170W TO 11S180W. WINDS DIMINISHED
TO 20 KT OR LESS.
.48 HOUR FORECAST WEAKENING FRONT FROM 25S120W TO 17S170W TO 17S178W.

.DISSIPATING FRONT FROM 25S140W TO 19S145W TO 15S150W NEARLY STATIONARY.
.24 HOUR FORECAST FRONT DISSIPATED.

.TROUGH FROM 18S120W TO TO 20S128W MOVING W SLOWLY. SE TO E WINDS 20
TO 25 KT S OF 16S E OF 130W.
.24 HOUR FORECAST TROUGH DISSIPATED. SEE WINDS BELOW.

.TROUGH FROM 07S160E TO 08S162E MOVING W SLOWLY. ISOLATED MODERATE TSTMS
WITHIN 90 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.24 HOUR FORECAST SE TO E WINDS 20 TO 25 KT S OF 08S E OF 140W. NE
TO E WINDS 20 TO 25 KT N OF 07S BETWEEN 175W AND 155W.
.48 HOUR FORECAST SE TO E WINDS 20 TO 25 KT S OF 12S E OF 142W. NE
TO E WINDS 20 TO 25 KT N OF 07S BETWEEN 180W AND 155W.

.48 HOUR FORECAST NEW FRONT FROM 25S171E TO 21S160E.

.RIDGE FROM 25S130W TO 17S140W TO 12S148W MOVING SSW SLOWLY.

.RIDGE FROM 25S172E TO 15S174W MOVING E 10 KT.

.RIDGE SE CORNER OF AREA 25S160E MOVING E 10 KT.

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

.SEAS 8 TO 10 FT S OF 07S E OF 130W...AND S OF 20S BETWEEN 167E AND
180E.
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF 10S E OF 133W...S OF 23S BETWEEN
178E AND 179W.
.48 HOUR FORECAST SEAS 8 TO 9 FT S OF 10S E OF 135W.

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

$$

.FORECASTER SHIGESATO. HONOLULU HI.