High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 220323
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC NOV 22 2017.
24 HOUR FORECAST VALID 0000 UTC NOV 23 2017.
48 HOUR FORECAST VALID 0000 UTC NOV 24 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.
COLD FRONT FROM 30N163W TO 22S168W CONTINUING AS A STATIONARY
FRONT TO 19S180W TO 17S170E TO 14S160E. COLD FRONT MOVING ENE 10
KT. E TO SE WINDS 20 TO 25 KT BETWEEN FRONT AND 20S W OF 170E.
ISOLATED MODERATE TO LOCALLY STRONG TSTMS WITHIN 120 NM OF FRONTS.
.24 HOUR FORECAST FRONT FROM 25S157W TO 19S170W TO 19S180W TO
17S170E TO 20S160E. E WINDS 20 TO 25 KT S OF FRONT W OF 180W.
.48 HOUR FORECAST FRONT FROM 25S147W TO 23S148W TO 17S160W TO
17S170W TO 16S175E TO 18S165E. E WINDS 20 TO 25 KT S OF FRONT E
OF 170W. NE WINDS 20 TO 25 KT WITHIN 120 NM E OF FRONT S OF 23S.

.LOW 07S174E 1005 MB MOVING SW SLOWLY. TROUGH FROM 04S172E TO LOW
TO 16S177E MOVING SW SLOWLY. SCATTERED STRONG TSTMS WITHIN 300 NM
OF LOW AND 270 NM E OF TROUGH. ISOLATED MODERATE TSTMS ELSEWHERE
WITHIN 480 NM E AND 12 NM W OF TROUGH.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 05S169E TO 14S170E.
.48 HOUR FORECAST TROUGH TROUGH MERGED WITH FRONT DESCRIBED ABOVE.

.LOW 25S129W 1012 MB MOVING S SLOWLY. STATIONARY FRONT FROM LOW
TO 22S127W TO 19S129W CONTINUING AS A TROUGH TO 21S144W. TROUGH
MOVING S SLOWLY. ISOLATED MODERATE TSTMS WITHIN 180 NM S OF
TROUGH.
.24 HOUR FORECAST LOW DISSIPATED. FRONT WEAKENED TO A TROUGH FROM
25S129W TO 20S131W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 14S164W TO 16S155W TO 13S145W MOVING WSW SLOWLY.
ISOLATED MODERATE TSTMS WITHIN 210 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 16S166W TO 19S152W.
.48 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED IN FIRST
PARAGRAPH ABOVE.

.RIDGE FROM 25S156W TO 22S164W MOVING ENE SLOWLY.

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

.SEAS 8 TO 9 FT S OF 23S BETWEEN 125W AND 135W...AND FROM 17S TO
20S W OF 165E.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 18S TO 23S BETWEEN 175E AND
163E.
.48 HOUR FORECAST SEAS 8 TO 9 FT S OF 20S E OF 127W...AND S OF
20S BETWEEN 150W AND 165E.

.SEAS 8 FT OR LESS OVER REST OF FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 04S TO 09S W OF 163E.

$$

.FORECASTER WROE. HONOLULU HI.



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