High Seas Forecast
Issued by NWS

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FZPN40 PHFO 261028
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC MON SEP 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SEP 26 2016.
24 HOUR FORECAST VALID 0600 UTC SEP 27 2016.
48 HOUR FORECAST VALID 0600 UTC SEP 28 2016.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW JUST E OF AREA NEAR 12N139W 1008 MB MOVING N SLOWLY.
.24 HOUR FORECAST LOW 12N140W 1008 MB.
.48 HOUR FORECAST LOW 14N140W 1008 MB.

.FRONT FROM 30N155W TO 27N160W TO 27N176W NEARLY STATIONARY. NE TO
E WINDS 20 TO 25 KT N OF FRONT E OF 175W.
.24 HOUR FORECAST WEAKENING FRONT FROM 30N154W TO 25N166W TO
26N168W. NE TO E WINDS 20 TO 25 KT N OF FRONT.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 30N159W TO 26N165W.
WINDS DIMINISHED TO 20 KT OR LESS.

.TROUGH FROM 20N162E TO 19N160E MOVING W SLOWLY. ISOLATED MODERATE
TSTMS FROM 09N TO 19N W OF 163E.
.24 HOUR FORECAST TROUGH MOVED W OF FORECAST AREA.

.TROUGH FROM 13N170W TO 05N176W MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 13N178W TO 06N178E.
.48 HOUR FORECAST TROUGH FROM 13N177E TO 06N172E.

.24 HOUR FORECAST NEW FRONT FROM 30N173E TO 28N168E.
.48 HOUR FORECAST WEAKENING FRONT FROM 30N173W TO 26N177E.

.E WINDS 20 TO 25 KT FROM 18N TO 26N W OF 176E.
.24 HOUR FORECAST E WINDS 20 TO 30 KT FROM 19N TO 24N W OF 170E.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.RIDGE FROM 30N147W TO 27N152W MOVING NNE SLOWLY.

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

.SEAS 8 TO 9 FT FROM 18N TO 23N W OF 166E.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 18N TO 23N W OF 165E.
.48 HOUR FORECAST SEAS SUBSIDED TO 8 FT OR LESS.

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

.SCATTERED MODERATE TO STRONG TSTMS FROM 08N TO 20N BETWEEN 179W
AND 164E. ISOLATED MODERATE TSTMS FROM 16N TO 21N BETWEEN 170W AND
179W.

.MONSOON TROUGH FROM 11N140W TO 10N156W. SCATTERED MODERATE TO
STRONG TSTMS WITHIN 180 NM OF MONSOON TROUGH.

.ITCZ FROM 10N159W TO 10N169W. ISOLATED MODERATE TSTMS WITHIN
150 NM OF ITCZ.

$$

.FORECASTER HOUSTON. HONOLULU HI.



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