High Seas Forecast
Issued by NWS

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620
FZPS40 PHFO 270322
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC MON MAY 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 0000 UTC MAY 27 2024.
24 HOUR FORECAST VALID 0000 UTC MAY 28 2024.
48 HOUR FORECAST VALID 0000 UTC MAY 29 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25S158W 16S177W 10S165E 09S160E NEARLY STATIONARY. SE WINDS
20 TO 25 KT BETWEEN TROUGH AND 17S W OF 165E. SCATTERED MODERATE
TSTMS S OF 23S BETWEEN TROUGH AND 153W. ISOLATED MODERATE TSTMS
WITHIN 180 NM OF TROUGH W OF 177W.
.24 HOUR FORECAST TROUGH 25S163W 20S175W 15S175E 09S160E. SE WINDS
20 TO 25 KT BETWEEN TROUGH AND LINE 15S175E 23S160E.
.48 HOUR FORECAST TROUGH 25S158W 22S170W 18S180E 09S160E. SE WINDS
20 TO 25 KT BETWEEN TROUGH AND LINE 18S180E 25S160E.

.WEAK STATIONARY FRONT 19S120W 17S126W.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 18S120W 18S126W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 09S179W 06S172E MOVING SW 15 KT. SCATTERED MODERATE TSTMS
WITHIN 300 NM NE OF TROUGH. ISOLATED MODERATE TSTMS ELSEWHERE
WITHIN 420 NM NE AND E OF TROUGH AND WITHIN 150 NM S OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.E WINDS 20 TO 25 KT FROM 16S TO 11S BETWEEN 140W AND 155W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 16S TO 11S BETWEEN 145W
AND 155W.
.48 HOUR FORECAST E WINDS EASED TO 20 KT OR LESS.

.SEAS 8 TO 9 FT S OF 23S E OF 133W.
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF LINE 25S165W 17S175E
10S180E...AND S OF 13S E OF 128W.
.48 HOUR FORECAST SEAS 8 TO 11 FT S OF LINE 25S148W 16S165W
16S180E 09S160E.

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

.ISOLATED MODERATE TSTMS FROM 16S TO 12S BETWEEN 159W AND 170W...
AND FROM 07S TO 03S W OF 167E.

$$

.FORECASTER WROE. HONOLULU HI.