High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 311532
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC TUE MAY 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

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

SYNOPSIS VALID 1200 UTC MAY 31 2016.
24 HOUR FORECAST VALID 1200 UTC JUN 01 2016.
48 HOUR FORECAST VALID 1200 UTC JUN 02 2016.

.WARNINGS.

...GALE WARNING...
.LOW JUST NW OF AREA 31N161E 1004 MB MOVING ENE 40 KT. S TO SW
WINDS 25 TO 35 KT N OF A LINE FROM 30N174E TO 27N166E TO 25N160E.
ISOLATED MODERATE TSTMS N OF 27N BETWEEN 171E AND 162E.
.24 HOUR FORECAST LOW MOVED FAR N OF AREA. FRONT JUST NW OF AREA.
S TO SW WINDS 20 TO 25 KT N OF A LINE FROM 30N175E TO 26N160E.
.48 HOUR FORECAST FRONT FAR NW OF AREA. S TO SW WINDS 20 TO 30 KT
NW OF A LINE FROM 30N165E TO 27N160E.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N142W TO 26N143W TO 20N157W TO 18N166W. FRONT MOVING
ESE SLOWLY N OF 20N...AND NEARLY STATIONARY ELSEWHERE. S TO SW
WINDS 20 TO 30 KT WITHIN 120 NM E OF FRONT N OF 28N.
.24 HOUR FORECAST NEW LOW 28N144W 1014 MB. FRONT FROM 30N144W TO
LOW TO 26N141W TO 24N144W TO 20N153W. WINDS 20 TO 25 KT N OF 28N E
OF 147W.
.48 HOUR FORECAST LOW 26N147W 1014 MB. FRONT FROM 30N149W TO LOW
TO 26N142W TO 21N149W. WINDS DIMINISHED TO 20 KT OR LESS.

.TROUGH FROM 10N160W TO 04N166W MOVING W SLOWLY. SCATTERED MODERATE
TO STRONG TSTMS FROM 05N TO 09N BETWEEN 158W AND 169W.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 11N171E TO 04N165E MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 210 NM OF TROUGH.
.24 HOUR FORECAST WEAKENING TROUGH FROM 09N165E TO 04N163E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW TROUGH FROM 21N158W TO 17N165W.
.48 HOUR FORECAST TROUGH FROM 21N164W TO 18N165W.

.RIDGE FROM 24N140W TO 21N147W MOVING ESE SLOWLY.

.RIDGE FROM 30N170W TO 19N160E MOVING E SLOWLY.

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

.SEAS 8 TO 10 FT NW OF A LINE FROM 30N169E TO 26N160E.
.24 HOUR FORECAST SEAS 8 TO 9 FT N OF 29N BETWEEN 171E AND 167E.
.48 HOUR FORECAST SEAS SUBSIDED TO 8 FT OR LOWER.

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

.ITCZ FROM 09N140W TO 09N147W TO 07N153W TO 07N157W...AND FROM
06N169W TO 03N172E. SCATTERED MODERATE TO STRONG TSTMS FROM ITCZ
TO 10N W OF 169W. ISOLATED MODERATE TSTMS WITHIN 120 NM OF
ITCZ BETWEEN 147W AND 155W.

$$

.FORECASTER HOUSTON. HONOLULU HI.


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