High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 191630
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SUN APR 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC APR 19 2015.
24 HOUR FORECAST VALID 1200 UTC APR 20 2015.
48 HOUR FORECAST VALID 1200 UTC APR 21 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 07N177E 1009 MB MOVING SW 10 KT. TROUGH FROM LOW TO 05N170E.
SCATTERED STRONG TSTMS WITHIN 180 NM N SEMICIRCLE OF LOW.
.24 HOUR FORECAST LOW DISSIPATED.

.LOW 06N163E 1009 MB MOVING SW SLOWLY. TROUGH 05N173W THROUGH LOW TO
05N160E. SCATTERED STRONG TSTMS WITHIN 300 NM N OF LOW AND TROUGH.
.24 HOUR FORECAST LOW DISSIPATED.

.FRONT NEAR 30N160E.
.24 HOUR FORECAST FRONT 30N170E 28N166E.
.48 HOUR FORECAST FRONT 30N176W 24N178E. NW WINDS 20 TO 25 KT WITHIN
180 NM NW OF FRONT.

.ITCZ 06N140W 04N155W 01N170W. NUMEROUS STRONG TSTMS FROM 10N TO 02N
BETWEEN 157W AND 172W. SCATTERED STRONG TSTMS WITHIN 200 NM N OF
ITCZ E OF 150W. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 90 NM OF
ITCZ.

.RIDGE 30N173E 28N160E MOVING SE 10 KT.

.NE WINDS 25 TO 30 KT WITHIN 60 NM OF LINE 19N155W 14N158W...NE
WINDS 20 TO 25 KT ELSEWHERE BOUNDED BY 23N158W 14N140W 10N170W
16N170W 23N158W AND FROM 15N TO 10N W OF 175W.
.24 HOUR FORECAST NE WINDS 20 TO 25 KT BOUNDED BY 25N160W 17N144W
10N144W 10N160W 15N175W 25N160W AND FROM 17N TO 10N W OF 180W.
.48 HOUR FORECAST NE WINDS 20 TO 25 KT FROM 25N TO 10N BETWEEN 145W
AND 160W AND FROM 20N TO 12N W OF 165E.

.SEAS 8 TO 11 FT WITHIN 300 NM OF LINE 13N140W 17N155W 15N160E.
.24 HOUR FORECAST SEAS 8 TO 11 FT BOUNDED BY 28N165W 23N140W 08N140W
03N160W 12N160E 20N160E 28N165W.
.48 HOUR FORECAST SEAS 8 TO 11 FT FROM 26N TO 03N E OF 180W. SEAS 8
TO 10 FT FROM 23N TO 11N W OF 180W.

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

$$
.HONOLULU HI.




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