High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 231630
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC TUE SEP 23 2014

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 23 2014.
24 HOUR FORECAST VALID 1200 UTC SEP 24 2014.
48 HOUR FORECAST VALID 1200 UTC SEP 25 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 10N165E 1010 MB MOVING WSW SLOWLY. TROUGH FROM LOW TO 11N160E
MOVING W SLOWLY. SCATTERED MODERATE TSTMS FROM 06N TO 12N W OF 170E.
.24 HOUR FORECAST LOW 08N161E 1010 MB.
.48 HOUR FORECAST LOW 09N160E 1010 MB.

.FRONT FROM 30N146W TO 29N153W TO 30N159W MOVING S 10 KT.
.24 HOUR FORECAST WEAKENING FRONT FROM 27N140W TO 24N161W.
.48 HOUR FORECAST FRONT WEAKENED TO SHEAR LINE FROM 24N140W TO
23N154W TO 22N166W. WINDS 20 TO 25 KT WITHIN 120 NM N OF SHEAR LINE
BETWEEN 148W AND 160W.

.FRONT THROUGH 30N160E MOVING E 10 KT.
.24 HOUR FORECAST FRONT FROM 30N166E TO 28N160E.
.48 HOUR FORECAST FRONT FROM 30N170E TO 29N160E.

.TROUGH FROM 17N153W TO 09N154W MOVING W 10 KT. E WINDS 20 TO 25 KT
FROM 13N TO 18N BETWEEN 146W AND 159W. SCATTERED MODERATE TO STRONG
TSTMS WITHIN 240 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 15N162W TO 08N165W. E WINDS 20 TO 25
KT FROM 12N TO 18N BETWEEN 153W AND 165W.
.48 HOUR FORECAST TROUGH FROM 15N169W TO 10N170W. E WINDS 20 TO 25
KT FROM 13N TO 18N BETWEEN 164W AND 170W.

.TROUGH FROM 22N168W TO 16N172W MOVING W SLOWLY AND DISSIPATING.
ISOLATED MODERATE TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 28N179E TO 22N174E MOVING NW SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MOVED N OF FORECAST AREA.

.RIDGE FROM 30N166W TO 27N153W TO 26N140W NEARLY STATIONARY.

.RIDGE FROM 30N179E TO 25N160E MOVING E SLOWLY.

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

.24 HOUR FORECAST SEAS 8 TO 10 FT FROM 11N TO 19N BETWEEN 153W AND
164W.
.48 HOUR FORECAST SEAS 8 TO 10 FT FROM 12N TO 19N BETWEEN 160W AND
170W. SEAS 8 TO 9 FT N OF 25N E OF 149W.

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

.ISOLATED MODERATE TSTMS FROM 08N TO 15N BETWEEN 175W AND 172E.

.ITCZ FROM 10N140W TO 12N150W...AND FROM 08N157W TO 05N166W TO
04N178W. ISOLATED MODERATE TSTMS WITHIN 210 NM OF ITCZ.

$$
.FORECASTER HOUSTON. HONOLULU HI.






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