The High Seas Forecast for the South Pacific

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FZPS40 PHFO 271033
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC MON MAR 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAR 27 2017.
24 HOUR FORECAST VALID 0600 UTC MAR 28 2017.
48 HOUR FORECAST VALID 0600 UTC MAR 29 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 05S124W 1012 MB MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF LOW.
.24 HOUR FORECAST LOW NEAR 06S126W 1012 MB.
.48 HOUR FORECAST LOW NEAR 09S133W 1012 MB.

.TROUGH 08S175E 11S170W 21S154W MOVING SW SLOWLY. ISOLATED TO
SCATTERED MODERATE TSTMS WITHIN 180 NM OF TROUGH W OF
170W...AND WITHIN 240 NM NE OF TROUGH E OF 162W.
.24 HOUR FORECAST TROUGH 10S170E 12S175W 16S167W 21S161W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 25S180E 20S173E MOVING NE 10 KT. ISOLATED MODERATE TSTMS
WITHIN 60 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 25S178W 19S178E.
.48 HOUR FORECAST TROUGH LITTLE CHANGE.

.CZ 00S130W 04S140W. ISOLATED MODERATE TSTMS WITHIN 90 NM OF CZ.

.RIDGE 12S160E 18S162E 24S160E NEARLY STATIONARY.

.RIDGE 25S176W 20S180E 19S174E NEARLY STATIONARY.

.RIDGE 05S179E 07S170W 10S160W 19S151W NEARLY STATIONARY.

.WINDS 20 TO 25 KT S OF 20S BETWEEN 154W AND 170W.
.24 HOUR FORECAST WINDS 20 TO 25 KT S OF 15S E OF 136W.
.48 HOUR FORECAST WINDS 20 TO 25 KT S OF 13S E OF 141W.

.REMAINDER OF AREA WINDS 20 KT OR LESS.

.SEAS 8 TO 9 FT S OF LINE 08S120W 19S130W 25S169W....AND N OF 02S
BETWEEN 158W AND 175W.
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF LINE 15S120W 12S130W
25S161W...AND N OF 06S BETWEEN 158W AND 175W.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF LINE 15S120W 12S131W 25S160W.
SEAS 8 TO 9 FT N OF 02S BETWEEN 144W AND 153W.

.REMAINDER OF AREA SEAS 8 FT OR LESS.

.ISOLATED MODERATE TSTMS FROM 07S TO 10S BETWEEN 131W AND 134W...AND
S OF 20S BETWEEN 144W AND 151W...AND S OF 15S BETWEEN 168E AND 173E.

$$

.FORECASTER POWELL. HONOLULU HI.


Additional Resources:

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