High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 252246
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC TUE APR 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 25 2017.
24 HOUR FORECAST VALID 1800 UTC APR 26 2017.
48 HOUR FORECAST VALID 1800 UTC APR 27 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 07S169E 1009 MB MOVING SW SLOWLY. TROUGH FROM
05S160E TO LOW TO 08S180E 15S165W NEARLY STATIONARY. ISOLATED
MODERATE TO STRONG TSTMS WITHIN 300 NM OF LOW AND TROUGH.
.24 HOUR FORECAST LOW 09S168E 1010 MB. TROUGH FROM 08S160E TO LOW
TO 12S180E 18S170W.
.48 HOUR FORECAST LOW 11S165E 1011 MB. TROUGH FROM 09S160E TO LOW
TO 12S180E TO 20S171W.

.TROUGH 25S126W 20S129W NEARLY STATIONARY AND DISSIPATING.
ISOLATED TSTMS WITHIN 120 NM OF TROUGH FROM 20S TO 23S.
.24 HOUR FORECAST TROUGH DISSIPATED.

.FRONT NEAR 25S180W NEARLY STATIONARY.
.24 HOUR FORECAST FRONT 25S170W TO 23S172W.
.48 HOUR FORECAST FRONT 25S167W TO 20S170W.

.RIDGE 02S172E 04S170W 10S157W NEARLY STATIONARY.

.RIDGE 25S164W 23S168W NEARLY STATIONARY.

.SEAS 8 TO 12 FT S OF 15S E OF 160W.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF LINE 05S120W 10S132W
20S140W 25S150W. SEAS 8 TO 9 FT S OF 24S BETWEEN 165W AND 175W.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF 20S E OF 180W. SEAS 8 TO 9
FT ELSEWHERE E OF 130W.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ITCZ 04S120W 04S140W 03S148W. SCATTERED MODERATE TSTMS WITHIN
200 NM OF ITCZ.

.SCATTERED MODERATE TSTMS WITHIN 120 NM OF A LINE 04S151W 13S160W.


$$

.FORECASTER MORRISON. HONOLULU HI.



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