High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 281133 CCA
HSFSP

HIGH SEAS FORECAST...CORRECTED
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC FRI APR 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 28 2017.
24 HOUR FORECAST VALID 0600 UTC APR 29 2017.
48 HOUR FORECAST VALID 0600 UTC APR 30 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 11S161E 1007 MB MOVING E SLOWLY. TROUGH FROM LOW TO 10S170E TO
15S170W TO 18S165W TO 22S162W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS N OF 17S W OF 173E...N OF 14S BETWEEN 173E AND 172W...AND
WITHIN 180 NM OF TROUGH E OF 172W.
.24 HOUR FORECAST LOW 12S165E 1008 MB. TROUGH FROM 09S160E THROUGH
LOW TO 10S173E TO 14S171W TO 20S164W.
.48 HOUR FORECAST LOW 11S166E 1006 MB. TROUGH FROM 09S160E THROUGH
LOW TO 14S174E TO 13S170W TO 20S163W.

.COLD FRONT FROM 25S162E TO 20S160E MOVING E 10 KT.
.24 HOUR FORECAST COLD FRONT FROM 25S169E TO 20S165E.
.48 HOUR FORECAST COLD FRONT FROM 25S175E TO 21S171E.

.COLD FRONT FROM 25S164W TO 19S170W MOVING E 10 KT.
.24 HOUR FORECAST COLD FRONT FROM 25S158W TO 20S163W.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 25S153W TO 23S153W.

.DEVELOPING COLD FRONT FROM 25S130W TO 23S133W TO 23S141W MOVING NE
20 KT. TROUGH FROM 25S123W TO 22S125W TO 17S125W NEARLY STATIONARY
AND WILL MERGE WITH FRONT. ISOLATED MODERATE TSTMS S OF 23S E OF
TROUGH.
.24 HOUR FORECAST FRONT E OF FORECAST AREA.

.TROUGH FROM 04S170W TO 07S162W TO 08S153W MOVING S SLOWLY. ISOLATED
MODERATE TO STRONG TSTMS N OF 11S BETWEEN 152W AND 172W.
.24 HOUR FORECAST TROUGH FROM 08S170W TO 10S156W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 02S137W TO 07S134W MOVING WSW 10 KT. NUMEROUS MODERATE
TO STRONG TSTMS WITHIN 60 NM OF A LINE FROM 08S140W TO 11S145W.
ISOLATED MODERATE TO STRONG TSTMS ELSEWHERE N OF 13S BETWEEN 130W
AND 153W.
.24 HOUR FORECAST TROUGH FROM 02S144W TO 07S138W.
.48 HOUR FORECAST TROUGH FROM 04S149W TO 08S143W.

.RIDGE FROM 01S160E TO 01S163E TO 05S171E TO 06S176W TO 13S165W
NEARLY STATIONARY.

.RIDGE FROM 25S175E TO 22S170E TO 19S164E MOVING E 10 KT AND ERODING
FROM THE W.

.RIDGE FROM 25S154W TO 22S160E MOVING E 15 KT.

.WINDS 20 KT OR LESS ENTIRE FORECAST AREA.

.SEAS 8 TO 10 FT S OF A LINE FROM 02S120W TO 06S124W TO 18S129W TO
23S146W TO 15S164W TO 20S171W.
.24 HOUR FORECAST SEAS 8 TO 13 FT S OF A LINE FROM 10S120W TO
10S125W TO 20S137W TO 18S147W.
.48 HOUR FORECAST SEAS 8 TO 11 FT S OF 07S E OF 131W.

.REMAINDER OF AREA SEAS 8 FT OR LESS.

.ISOLATED MODERATE TSTMS WITHIN 60 NM OF 14S154W.

$$

.HONOLULU HI.


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