High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 201645
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC WED AUG 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 20 2014.
24 HOUR FORECAST VALID 1200 UTC AUG 21 2014.
48 HOUR FORECAST VALID 1200 UTC AUG 22 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 09N161W 1009 MB MOVING W SLOWLY. SCATTERED MODERATE TSTMS
WITHIN 230 NM S QUADRANT.
.24 HOUR FORECAST LOW 09N163W 1009 MB.
.48 HOUR FORECAST LOW 10N164W 1009 MB.

.TROUGH 30N156W TO 27N157W MOVING W SLOWLY AND DISSIPATING.
ISOLATED TSTMS WITHIN 80 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 30N167W TO 27N175E TO 29N160E MOVING S AND E SLOWLY.

.12 HOUR FORECAST WEAK FRONT ALONG 30N FROM 166E TO 160E MOVING SE
15 KT.
.24 HOUR FORECAST FRONT 30N171E TO 30N165E.
.48 HOUR FORECAST FRONT 30N180W TO 28N175E.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 17N TO 11N E OF 141W.

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.WIDELY SCATTERED MODERATE TSTMS BETWEEN 25N AND 15N W OF 167E.

.ITCZ FROM LOW AT 09N161W TO 05N175W TO 07N175E TO 15N160E.
SCATTERED MODERATE TSTMS WITHIN 100 NM N OF ITCZ...AND WITHIN
200 NM S OF ITCZ.

.MONSOON TROUGH FROM LOW TO 12N150W TO 15N140W. ISOLATED MODERATE
TSTMS WITHIN 120 NM OF TROUGH.

$$
.FORECASTER LAU. HONOLULU HI.










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