High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 240445
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC FRI APR 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC APR 24 2015.
24 HOUR FORECAST VALID 0000 UTC APR 25 2015.
48 HOUR FORECAST VALID 0000 UTC APR 26 2015.

.WARNINGS.

...GALE WARNING...
.LOW NEAR 28N169W 1011 MB MOVING S SLOWLY. FRONT 30N163W 28N163W
23N164W 18N173W 18N179E...MOVING SE SLOWLY. S TO SE WINDS 20 TO 30
KT N OF 20N BETWEEN 154W AND 162W. SEE SEAS BELOW. ISOLATED TSTMS
BETWEEN FRONT AND 161W N OF 26N.
.24 HOUR FORECAST LOW 24N169W 1012 MB. FRONT 30N162W 28N162W 25N163W
18N170W. WINDS 20 TO 30 KT N OF 20N BETWEEN 155W AND 162W. SEE SEAS
BELOW.
.48 HOUR FORECAST LOW DISSIPATED. NEW LOW NEAR 30N163W 1010 MB.
FRONT 30N160W 26N160W 20N163W 16N170W. WINDS 20 TO 35 KT N OF 22N
BETWEEN 155W AND 160W...AND N OF LINE 30N165W 25N175W 30N179E. SEE
SEAS BELOW.

.SYNOPSIS AND FORECAST.

.LOW NEAR 03N173E 1008 MB MOVING W 10 KT. TROUGHS FROM LOW TO
05N176W AND FROM LOW TO 10N160E. SCATTERED MODERATE TO STRONG TSTMS
WITHIN 120 NM OF LOW AND TROUGHS.
.24 HOUR FORECAST LOW 02N168E 1008 MB.
.48 HOUR FORECAST LOW DISSIPATED.

.NE TO E WINDS 20 TO 25 KT FROM 07N TO 22N E OF 160W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 20N E OF
160W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 15N E OF
155W.

.RIDGE 30N173E 23N180E 19N175W NEARLY STATIONARY.

.RIDGE 30N146W 24N152W 19N159W NEARLY STATIONARY.

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

.SEAS 9 TO 12 FT NE OF LINE 05N140W 09N161W 17N153W 30N166W...AND SW
OF LINE 30N157W 22N150W 19N140W. SEAS 9 TO 11 FT N OF 26N BETWEEN
171W AND 176W.
.24 HOUR FORECAST SEAS 9 TO 12 FT N OF 22N BETWEEN 157W AND 164W.
SEAS 9 TO 10 FT E OF 156W BETWEEN 07N AND 19N.
.48 HOUR FORECAST SEAS 9 TO 13 FT N OF LINE 30N179W 27N173W 30N165W.
SEAS 9 TO 11 FT N OF 25N BETWEEN 158W AND 162W...AND E OF 150W
BETWEEN 07N AND 16N.

.OTHERWISE...SEAS 8 FT OR LOWER OVER REST OF FORECAST AREA.

.ITCZ 05N140W 06N160W 03N166W. SCATTERED STRONG TSTMS WITHIN 300 NM
OF ITCZ BETWEEN 155W AND 162W. ISOLATED MODERATE TSTMS WITHIN 120 NM
OF ITCZ ELSEWHERE.

$$
.FORECASTER POWELL. HONOLULU HI.






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