High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 201045
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC SAT SEP 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SEP 20 2014.
24 HOUR FORECAST VALID 0600 UTC SEP 21 2014.
48 HOUR FORECAST VALID 0600 UTC SEP 22 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 14N157W 1009 MB MOVING WNW 10 KT.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 17N161W TO 13N161W.
.48 HOUR FORECAST TROUGH FROM 18N166W TO 14N166W.

.LOW 14N148W 1010 MB MOVING W NEAR 10 KT.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 16N153W TO 13N153W.
.36 HOUR FORECAST TROUGH DISSIPATED.

.FRONT 30N163W TO 29N167W TO 29N174W MOVING S SLOWLY AND BECOMING
STATIONARY.
.24 HOUR FORECAST STATIONARY FRONT FROM 30N152W TO 29N160W TO
27N170W. FRONT DISSIPATING.
.48 HOUR FORECAST FRONT FROM 30N144W TO 29N147W TO 29N156W TO
27N170W.

.TROUGH FROM 11N160E TO 11N174E NEARLY STATIONARY. WIDELY SCATTERED
MODERATE TSTMS WITHIN 200NM EITHER SIDE OF TROUGH.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST TROUGH 13N160E TO 08N170E.

.TROUGH 30N147W TO 24N147W MOVING E SLOWLY.
.24 HOUR FORECAST TROUGH 30N142W TO 23N144W.
.48 HOUR FORECAST TROUGH 30N139W TO 25N143W.

.TROUGH 08N180W TO 04N166E NEARLY STATIONARY.
SCATTERED MODERATE TO STRONG TSTMS WITHIN 180 NM MAINLY
N OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 30N170E TO 27N160E NEARLY STATIONARY.

.WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER ENTIRE FORECAST
AREA.

.ITCZ FROM 12N140W TO 12N143W TO LOW AT 14N148W TO LOW AT 14N157W
AND FROM 07N160W TO 08N167W TO 04N173W.

.WIDELY SCATTERED MODERATE TSTMS BETWEEN 16N AND 04N E OF 162W.

$$
.FORECASTER LAU. HONOLULU HI.








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