High Seas Forecast
Issued by NWS

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076
FZPS40 PHFO 240331
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC FRI NOV 24 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 NOV 24 2017.
24 HOUR FORECAST VALID 0000 UTC NOV 25 2017.
48 HOUR FORECAST VALID 0000 UTC NOV 26 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 10S166E 1008 MB NEARLY STATIONARY. TROUGH FROM 12S170E TO
LOW TO 08S164E. ISOLATED MODERATE TSTMS WITHIN 180 NM OF LOW AND
TROUGH.
.24 HOUR FORECAST LOW 10S165E 1007 MB. TROUGH FROM 13S168E TO LOW
TO 05S164E.
.48 HOUR FORECAST LOW 10S165E 1006 MB. TROUGH FROM 12S166E TO LOW
TO 06S164E.

.FRONT FROM 25S151W TO 20S158W TO 16S174W TO 16S167E. FRONT
MOVING NE 10 KT E OF 170E...NEARLY STATIONARY ELSEWHERE. E TO SE
WINDS 20 TO 25 KT S OF FRONT W OF 175W...AND BETWEEN FRONT AND
20S W OF 168W. SCATTERED MODERATE TSTMS WITHIN 180 NM N OF FRONT
W OF 163W. ISOLATED TSTMS ELSEWHERE WITHIN 120 NM OF FRONT E OF
163W.
.24 HOUR FORECAST FRONT FROM 25S145W TO 18S154W TO 14S179E TO
16S172E. E TO SE WINDS 20 TO 25 KT S OF FRONT W OF 172W...AND
BETWEEN FRONT AND 20S W OF 166W.
.48 HOUR FORECAST FRONT FROM 25S144W TO 20S152W TO 19S164W TO
14S176W TO 14S172E. E TO SE WINDS 20 TO 25 KT S OF FRONT W OF
155W.

.TROUGH FROM 25S148W TO 17S156W TO 15S162W NEARLY STATIONARY.
SCATTERED MODERATE TSTMS WITHIN 240 NM E OF TROUGH E OF 155W.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED ABOVE.

.TROUGH FROM 15S171W TO 09S174E NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 240 NM NE OF TROUGH E OF 178W.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED ABOVE.

.TROUGH FROM 24S163E TO 23S160E MOVING SW SLOWLY. NE TO E WINDS
20 TO 30 KT S OF 19S W OF 167E. SCATTERED MODERATE TSTMS S OF 19S
W OF 167E.
.24 HOUR FORECAST TROUGH MOVED SW OF AREA. NE TO E WINDS 20 TO 25
KT S OF 22S W OF 167E.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

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

.SEAS 8 TO 10 FT S OF A LINE FROM 18S174E TO 21S160E.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF 24S W OF 165E.
.48 HOUR FORECAST SEAS 8 TO 10 FT FROM 17S TO 24S BETWEEN 162W
AND 172E.

.OTHERWISE SEAS 8 FT OR LESS OVER REMAINDER OF AREA.

$$

.FORECASTER BRAVENDER. HONOLULU HI.



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