The High Seas Forecast for the South Pacific

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FZPS40 PHFO 302141
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC SUN APR 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC APR 30 2017.
24 HOUR FORECAST VALID 1800 UTC MAY 01 2017.
48 HOUR FORECAST VALID 1800 UTC MAY 02 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 11S165E 1006 MB MOVING W SLOWLY. TROUGH 14S170W 13S175W TO
LOW TO 09S160E MOVING S SLOWLY E OF LOW AND NEARLY STATIONARY
ELSEWHERE. WINDS 20 TO 25 KT WITHIN 180 NM N QUADRANT OF LOW.
SCATTERED MODERATE TSTMS IN AREA BOUNDED BY 03S160E 03S170E
12S170W 15S170W 18S178E 17S160E 03S160E.
.24 HOUR FORECAST LOW 12S170E 1006 MB. TROUGH 15S170W 13S175E TO
LOW TO 09S160E. WINDS 20 TO 25 KT WITHIN 120 NM N QUADRANT OF LOW.
.48 HOUR FORECAST LOW 13S172E 1005 MB. TROUGH 17S174W TO LOW TO
10S160E. WINDS 20 TO 25 KT WITHIN 120 NM NE QUADRANT OF LOW.

.FRONT 25S179E 20S172E MOVING E 10 KT.
.24 HOUR FORECAST FRONT 25S176W 18S174E.
.48 HOUR FORECAST FRONT 25S168W 20S174W 18S175E.

.FRONT 25S145W 19S152W MOVING E SLOWLY. ISOLATED MODERATE TSTMS
WITHIN 120 NM E OF FRONT.
.24 HOUR FORECAST FRONT 25S142W 21S150W.
.48 HOUR FORECAST FRONT 25S130W 22S145W.

.TROUGH 24S158W 20S164W 16S166W MOVING W SLOWLY AND DISSIPATING.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE 25S135W 23S143W MOVING NE SLOWLY.

.RIDGE 25S159W 20S180W MOVING E SLOWLY.

.SE WINDS 20 TO 25 KT FROM 17S TO 21S W OF 168E.
.24 HOUR FORECAST SE WINDS 20 TO 25 KT S OF LINE 14S160E 20S175E.
.48 HOUR FORECAST SE WINDS 20 TO 25 KT S OF LINE 14S160E 17S178E
22S172W.

.WINDS 20 KT OR LESS REST OF AREA.

.SEAS 8 TO 9 FT S OF 03S E OF 125W AND FROM 08S TO 12 S BETWEEN
167E AND 172E.
.24 HOUR FORECAST SEAS 8 TO 11 FT S OF LINE 14S169E 18S178E
22S177W.
.48 HOUR FORECAST SEAS 8 TO 12 FT S OF 12S W OF 169E. SEAS 8 TO
10 FT S OF 22S BETWEEN 149W AND 163W.

.SEAS 8 FT OR LOWER REST OF AREA.

.SCATTERED MODERATE TO STRONG TSTMS FROM 07S TO 12S BETWEEN 142W
AND 150W. ISOLATED MODERATE TSTMS FROM 12S TO 16S BETWEEN 140W AND
150W...N OF 03S BETWEEN 150W AND 153W AND N OF 02S BETWEEN 162W
AND 168W.

$$

.FORECASTER BURKE. HONOLULU HI.


Additional Resources:

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