High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 300445
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC THU JUL 30 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JUL 30 2015.
24 HOUR FORECAST VALID 0000 UTC JUL 31 2015.
48 HOUR FORECAST VALID 0000 UTC AUG 01 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROPICAL DEPRESSION EIGHT-E JUST E OF FCST AREA NEAR 16.6N 137.1W
AT 0300Z MOVING 14 KT. MAXIMUM WINDS 30 KT GUSTS 40 KT. WINDS 20 TO
30 KT AND SEAS 8 TO 10 FT WITHIN 240 NM OF LOW N SEMICIRCLE.
ASSOCIATED TSTMS INCLUDED WITH LOW DESCRIBED IMMEDIATELY BELOW.
.24 HOUR FORECAST TROPICAL DEPRESSION EIGHT-E NEAR 16.2N 142.3W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WINDS 20 TO 30 KT AND
SEAS 8 TO 10 FT WITHIN 240 NM OF LOW N SEMICIRCLE.
.48 HOUR FORECAST TROPICAL DEPRESSION DISSIPATED. REMNANT TROUGH
FROM 16N149W TO 21N145W. WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT FROM
21N TO 16N BETWEEN 150W AND 145W.

.LOW NEAR 10N147W 1007 MB MOVING W SLOWLY. ISOLATED MODERATE TSTMS
FROM 17N TO 07N E OF 155W.
.24 HOUR FORECAST LOW NEAR 10N154W 1007 MB. WINDS INCREASING TO 20
TO 25 KT WITHIN 360 NM OF LOW N SEMICIRCLE.
.48 HOUR FORECAST LOW NEAR 10N160W 1007 MB. WINDS 20 TO 25 KT AND
SEAS 8 TO 9 FT WITHIN 360 NM OF LOW N SEMICIRCLE.

.LOW NEAR 06N171E 1006 MB NEARLY STATIONARY. WINDS 20 TO 25 KT S OF
06N W OF 173E. SCATTERED STRONG ISOLATED SEVERE TSTMS WITHIN 300 NM
OF LOW SW SEMICIRCLE. ISOLATED MODERATE TO STRONG TSTMS ELSEWHERE S
OF 10N W OF 176E.
.48 HOUR FORECAST LOW NEAR 05N168E 1008 MB. ASSOCIATED WINDS
DIMINISHED TO 20 KT OR LESS.

.LOW NEAR 12N161E 1006 MB MOVING W SLOWLY. SCATTERED STRONG TSTMS
WITHIN 180 NM OF LOW N AND NE QUADRANTS. ISOLATED MODERATE TO STRONG
TSTMS ELSEWHERE FROM 20N TO 10N W OF 168E.
.24 HOUR FORECAST LOW W OF FCST AREA.

.TROUGH FROM 17N166W TO 20N163W TO 22N158W. ISOLATED MODERATE TSTMS
WITHIN 120 NM EITHER SIDE OF TROUGH AXIS.
.24 HOUR FORECAST TROUGH FROM 17N172W TO 24N169W.
.48 HOUR FORECAST TROUGH FROM 21N177W TO 24N173W.

.TROUGH FROM 23N172W TO 27N170W TO 30N166W. SCATTERED MODERATE TSTMS
WITHIN 300 NM W OF TROUGH AXIS. ISOLATED MODERATE TSTMS N OF 27N
WITHIN 600 NM E OF TROUGH AXIS.
.24 HOUR FORECAST TROUGH MOVED N OF FORECAST AREA.

.ITCZ FROM 09N161W TO 07N168W TO 10N176W TO 08N176E. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 120 NM N ITCZ E OF 168W. ISOLATED
MODERATE TSTMS ELSEWHERE WITHIN 180 NM EITHER SIDE OF ITCZ.

.OTHERWISE ISOLATED MODERATE TSTMS S OF 04N BETWEEN 170W AND 155W.

$$
.FORECASTER A BEDAL. HONOLULU HI.




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