High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 301525
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SAT APR 30 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC APR 30 2016.
24 HOUR FORECAST VALID 1200 UTC MAY 01 2016.
48 HOUR FORECAST VALID 1200 UTC MAY 02 2016.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST

.LOW NEAR 13S157W 1009 MB MOVING SE 10 KT. TROUGHS FROM LOW TO 16S148W AND
FROM LOW TO 12S164W. SCATTERED MODERATE TO STRONG TSTMS WITHIN 240 NM
EITHER SIDE OF TROUGH AXIS.
.24 HOUR FORECAST LOW NEAR 17S151W 1011 MB. TROUGHS FROM LOW TO 20S140W AND
FROM LOW TO 13S157W.
.48 HOUR FORECAST DISSIPATING LOW NEAR 19S137W 1011 MB. TROUGH FROM LOW
TO 17S151W.

.COLD FRONT FROM 25S121W TO 22S126W TO 20S134W MOVING NE 20 KT THENCE A
STATIONARY FRONT TO 20S141W TO 16S148W. WINDS N 20 TO 25 KT OVER FORECAST
WATERS S OF 22S E OF FRONT. ISOLATED MODERATE TO STRONG TSTMS WITHIN
120 NM EITHER SIDE OF STATIONARY FRONT.
.24 HOUR FORECAST FRONT FROM 21S120W TO 19S126W TO 20S133W TO 20S140W.
SEAS BUILDING TO 8 TO 9 FT NW OF A LINE FROM 30N165E TO 28N160E.
.48 HOUR FORECAST FRONT FROM 17S120W TO 17S129W. SEAS 8 TO 11 FT NW
OF A LINE FROM 30N172E TO 24N160E.

.DEVELOPING HIGH ALONG RIDGE. RIDGE FROM 17S120W TO 05S140W.
.24 HOUR FORECAST HIGH NEAR 14S128W 1012 MB. RIDGE FROM HIGH TO
07S140W.
.48 HOUR FORECAST HIGH NEAR 15S132W 1014 MB.

.OTHERWISE WINDS SE 20 TO 25 KT WITHIN 120 EITHER SIDE OF A LINE FROM
17S165W TO 21S147W.
.24 HOUR FORECAST WINDS E TO SE 20 TO 30 KT WITHIN A POLYGON BOUND BY
15S170W 15S160W 25S170W 25S165E 18S175E 15S170W.
.48 HOUR FORECAST WINDS E TO SE 20 TO 30 KT WITHIN A POLYGON BOUND BY
15S170W 18S155W 25S164W 25S170E 19S170E 15S170W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 10 FT OVER FORECAST WATERS S OF A LINE FROM 16S175W TO 13S155W
TO 25S137W.
.24 HOUR FORECAST SEAS 8 TO 10 FT WITHIN A POLYGON BOUND BY 20S172E 13S172W
13S162W 20S145W 22S145W 25S179W 20S172E.
.48 HOUR FORECAST SEAS 8 TO 12 FT WITHIN A POLYGON BOUND BY 13S165W 18S145W
22S160W 25S152W 25S179E 20S170E 15S176W 13S165W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.OTHERWISE ISOLATED MODERATE TSTMS WITHIN A POLYGON BOUND BY 00S165E
00S150W 17S170W 10S160E 00S165E.

$$

.FORECASTER BEDAL. HONOLULU HI.


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