Expires:No;;752285
FZPS40 PHFO 160310
HSFSP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SAT OCT 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 16 2021.
24 HOUR FORECAST VALID 0000 UTC OCT 17 2021.
48 HOUR FORECAST VALID 0000 UTC OCT 18 2021.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 17S164E 1011 MB. TROUGH 13S160E TO LOW TO 19S171E. LOW AND 
TROUGH NEARLY STATIONARY. SCATTERED MODERATE TSTMS FROM 13S TO 05S
W OF 175E. ISOLATED MODERATE TSTMS WITHIN 300 NM NE QUADRANT OF 
LOW.
.24 HOUR FORECAST LOW 17S164E 1011 MB. TROUGH 12S160E TO LOW TO 
12S167E.
.48 HOUR FORECAST LOW DISSIPATED. TROUGH 12S160E 20S166E. 

.FRONT 25S163W 21S173W 22S174E MOVING NE SLOWLY E OF 174W AND 
NEARLY STATIONARY ELSEWHERE. SE WINDS 20 TO 25 KT WITHIN 210 NM S
OF FRONT W OF 175W. ISOLATED MODERATE TSTMS WITHIN 90 NM OF FRONT
S OF 22S.
.24 HOUR FORECAST FRONT 25S159W 20S169W 21S177W. SE WINDS 20 TO 
25 KT S OF FRONT. 
.48 HOUR FORECAST FRONT 25S158W 19S159W 18S178W. SE WINDS 20 TO 
25 KT S OF FRONT.

.TROUGH 25S145W 21S151W 17S155W MOVING SW SLOWLY. 
.24 HOUR FORECAST TROUGH 25S148W 21S155W.
.48 HOUR FORECAST TROUGH 25S156W 20S157W. 

.24 HOUR FORECAST FRONT NEAR 25S160E. 
.48 HOUR FORECAST WEAK FRONT 25S170E 20S160E.

.HIGH 21S163W 1017 MB NEARLY STATIONARY. RIDGES FROM HIGH TO 
23S153W...AND FROM HIGH TO 16S180W TO 03S160E. 
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 25S132W 1019 MB MOVING SE SLOWLY. RIDGE FROM HIGH TO
21S145W. 
.24 HOUR FORECAST HIGH DISSIPATED.

.RIDGE 25S169E 22S164E 21S160E MOVING ENE 15 KT AND ERODING FROM 
THE N.

.WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS 8 FT OR LESS REST OF FORECAST AREA.


$$

.HONOLULU FORECAST OFFICE.