High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 251045
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC SAT APR 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0600 UTC APR 25 2015.
24 HOUR FORECAST VALID 0600 UTC APR 26 2015.
48 HOUR FORECAST VALID 0600 UTC APR 27 2015.

.WARNINGS.

...GALE WARNING...
.LOW 28N166W 1010 MB MOVING E 10 KT. FRONT 30N161W 25N161W 18N166W
12N170W MOVING E SLOWLY N OF 20N AND NEARLY STATIONARY ELSEWHERE. SE
TO S WINDS 20 TO 30 KT N OF 24N BETWEEN 155W AND 161W. N TO NE WINDS
20 TO 25 KT N OF LINE 30N167W 26N170W 30N176E. ISOLATED MODERATE
TSTMS WITHIN 90 NM E OF FRONT.
.24 HOUR FORECAST LOW N OF FORECAST AREA. FRONT 30N157W 22N160W
15N170W. N TO NE WINDS 20 TO 35 KT N OF LINE 30N161W 24N170W
30N174E. S WINDS 20 TO 30 KT N OF 25N BETWEEN 150W AND 155W.
.48 HOUR FORECAST FRONT 30N149W 24N154W 20N162W. N TO NE WINDS 20
TO 30 KT N OF LINE 30N150W TO 26N155W 20N170W 20N178E 24N172E
30N172E.

.SYNOPSIS AND FORECAST.

.LOW 06N176E 1008 MB MOVING W SLOWLY. TROUGH FROM LOW TO 00N171E.
ISOLATED MODERATE TO STRONG TSTMS S OF 11N BETWEEN 162E AND 172W.
.24 HOUR FORECAST LOW AND TROUGH DISSIPATED.

.NE TO E WINDS 20 TO 25 KT FROM 06N TO 17N E OF 150W.
.24 HOUR FORECAST WINDS DECREASED TO 20 KT OR LESS.

.RIDGE 30N142W 22N153W 18N163W NEARLY STATIONARY.

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

.SEAS 9 TO 11 FT N OF 24N BETWEEN 159W AND 164W...AND E OF 156W
BETWEEN 05N AND 18N.
.24 HOUR FORECAST SEAS 12 TO 17 FT N OF LINE 30N177W 27N174W 25N168W
30N161W. SEAS 9 TO 12 FT ELSEWHERE N OF LINE 30N175E 24N180E 24N169W
30N160W. SEAS 9 TO 10 FT N OF 27N BETWEEN 154W AND 157W. SEAS 9 TO
10 FT E OF 150W BETWEEN 07N AND 10N.
.48 HOUR FORECAST SEAS 12 TO 16 FT IN AREA 30N168W 24N178E 21N180E
21N174W 24N161W 30N152W. SEAS 9 TO 12 FT ELSEWHERE IN AREA 30N175E
26N170E 19N174W 23N159W 30N150W.

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

.ITCZ 05N140W 06N145W 03N157W 03N161W 06N166W. ISOLATED MODERATE TO
STRONG TSTMS WITHIN 180 NM OF ITCZ.

$$
.FORECASTER POWELL. HONOLULU HI.




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