High Seas Forecast
Issued by NWS

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FZPS40 PHFO 221532
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC WED NOV 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC NOV 22 2017.
24 HOUR FORECAST VALID 1200 UTC NOV 23 2017.
48 HOUR FORECAST VALID 1200 UTC NOV 24 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.
.LOW NEAR 07S172E 1006 MB NEARLY STATIONARY.
.24 HOUR FORECAST LOW DISSIPATED.

.COLD FRONT 25S161W TO 22S165W TO 19S180W THENCE TROUGH TO
16S165E TO 16S160E. FRONT MOVING NE NEAR 10 KT. TROUGH MOVING N
SLOWLY AND BECOMING A FRONT. E WINDS 20 TO 25 KT S OF TROUGH.
SCATTERED TSTMS WITHIN 120 NM OF FRONT AND TROUGH.
.24 HOUR FORECAST FRONT 25S153W TO 22S156W TO 19S163W TO
16S175E TO 17S160E. SE TO E WINDS 20 TO 25 KT S OF FRONT W OF
170W.
.48 HOUR FORECAST FRONT 25S145W 19S152W 17S158W 15S175E 17S160E.
SE TO E WINDS 20 TO 25 KT S OF FRONT W OF 170W. ALSO...N WINDS
20 TO 25 KT WITHIN 260 NM E OF FRONT S OF 22S.

.SECONDARY FRONT 27S163W TO 25S168W TO 23S175E MOVING N AND
NE 15 KT.
.24 HOUR FORECAST FRONT 25S158W TO 19S175W TO 18S175E.
.48 HOUR FORECAST FRONT 25S150W TO 20S160W TO 15S180W.

.DISSIPATING FRONT 25S128W TO 20S130W TO 16S140W NEARLY
STATIONARY. SCATTERED MODERATE TSTMS TSTMS WITHIN 200 NM OF
FRONT.
.24 HOUR FORECAST FRONT DISSIPATED.

.TROUGH FROM LOW DESCRIBED ABOVE AT 07S172E...FROM LOW TO
12S180W TO 17S158W TO 20S155W NEARLY STATIONARY. ISOLATED
TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST LOW AND TROUGH DISSIPATED.

.RIDGE 13S150W TO 07S170W TO 00S173E MOVING S 10 KT AND
DISSIPATING.

.RIDGE 25S150W TO 20S165W MOVING SE 10 KT.

.WINDS 20 KT OR LESS OVER REST OF FORECAST AREA.

.48 HOUR FORECAST SEAS 8 TO 9 FT S OF 23S W OF 170E.

.OTHERWISE...SEAS 8 FT OR LESS.

.SCATTERED MODERATE TO STRONG TSTMS BETWEEN 05S AND 12S W OF
165E.


$$

.FORECASTER LAU. HONOLULU HI.



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