High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 302257
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC MON MAR 30 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAR 30 2015.
24 HOUR FORECAST VALID 1800 UTC MAR 31 2015.
48 HOUR FORECAST VALID 1800 UTC APR 01 2015.

.WARNINGS.

...GALE WARNING...
.LOW 24S155W 1011 MB MOVING SE SLOWLY. TROUGH 25S154W TO THE LOW TO
18S160W TO 13S173W NEARLY STATIONARY. WINDS 25 TO 40 KT WITHIN 120
NM SE QUADRANT...AND WITHIN 90 NM ELSEWHERE OF LOW. ISOLATED
MODERATE TSTMS WITHIN 120 NM SE QUADRANT OF LOW AND WITHIN 180 NM NE
OF TROUGH.
.24 HOUR FORECAST LOW 26S153W 1010 MB MOVED JUST S OF FORECAST AREA.
TROUGH 25S153W TO 12S170W TO 08S177E. WINDS 25 TO 35 KT OVER
FORECAST WATERS S OF 23S BETWEEN 151W AND 155W.
.48 HOUR FORECAST TROUGH 25S152W 15S163W. WINDS DIMINISHED TO 20 KT
OR LESS OVER FORECAST WATERS.

.SYNOPSIS AND FORECAST.

.LOW 12S173W 1010 MB. TROUGH 01S179E TO THE LOW TO 18S160W. ISOLATED
MODERATE TO STRONG TSTMS WITHIN 420 NM N AND NE QUADRANTS OF LOW...
AND WITHIN 240 NM NE OF TROUGH.
.24 HOUR FORECAST LOW DISSIPATED. SEE TROUGH DESCRIBED IN GALE
WARNING ABOVE.

.RIDGE 24S120W TO 20S135W TO 20S149W NEARLY STATIONARY.

.E TO SE WINDS 20 TO 25 KT S OF 19S W OF 178E.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT S OF 19S W OF 175E.
.48 HOUR FORECAST E TO SE WINDS 20 TO 25 KT S OF 19S W OF 175W.

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

.SEAS 9 TO 12 FT S OF 20S BETWEEN 150W AND 160W. SEAS 8 TO 10 FT S
OF 23S BETWEEN 144W AND 150W.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF 24S BETWEEN 145W AND 154W.
.48 HOUR FORECAST SEAS 9 FT S OF 24S BETWEEN 137W AND 141W.

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

.ISOLATED MODERATE TO STRONG TSTMS FROM 07N TO 13N BETWEEN 154W AND
160W. ISOLATED MODERATE TSTMS N OF 03S W OF 170E.

$$
.HONOLULU HI.






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