High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 292237
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC WED JUL 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JUL 29 2015.
24 HOUR FORECAST VALID 1800 UTC JUL 30 2015.
48 HOUR FORECAST VALID 1800 UTC JUL 31 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROPICAL DEPRESSION EIGHT-E APPROACHING FORECAST AREA FROM E.
.24 HOUR FORECAST TROPICAL DEPRESSION EIGHT-E NEAR 16.3N 140.7W.
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 15N146W TO 20N145W. ASSOCIATED WINDS AND SEAS INCLUDED BELOW.

.LOW NEAR 10N145W 1008 MB MOVING WNW SLOWLY. ISOLATED MODERATE TSTMS
FROM 17N TO 08N E OF 154W.
.24 HOUR FORECAST LOW NEAR 10N154W 1009 MB.
.48 HOUR FORECAST LOW NEAR 12N159W 1008 MB.

.LOW NEAR 13N163E 1006 MB MOVING WNW SLOWLY. SCATTERED STRONG TSTMS
WITHIN 240 NM OF LOW NW SEMICIRCLE. ISOLATED MODERATE TSTMS
ELSEWHERE FROM 20N TO 10N W OF 174E.
.24 HOUR FORECAST LOW W OF FCST AREA.

.TROUGH FROM 24N169W TO 28N167W TO 30N162W. SCATTERED MODERATE
ISOLATED STRONG TSTMS WITHIN 600 NM W OF TROUGH. ISOLATED MODERATE
TSTMS N OF 28N WITHIN 300 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 27N172W TO 30N169W TO 34N164W.
.48 HOUR FORECAST TROUGH N OF FCST AREA.

.TROUGH DEVELOPING OVER FORECAST AREA.
.48 HOUR FORECAST TROUGH 20N175W TO 24N175W TO 27N173W.

.WINDS INCREASING TO GREATER THAN 20 KT.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 22N TO 12N BETWEEN 160W AND
147W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 22N TO 12N BETWEEN 163W AND
143W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS BUILDING TO GREATER THAN 8 FT.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 22N TO 12N BETWEEN 160W AND
147W.
.48 HOUR FORECAST SEAS 8 TO 10 FT FROM 22N TO 12N BETWEEN 163W AND
143W.

.ITCZ FROM 09N163W TO 10N170W TO 08N177W TO 07N177E. ISOLATED
MODERATE TO STRONG TSTMS WITHIN 180 NM OF ITCZ.

OTHERWISE SCATTERED ISOLATED SEVERE TSTMS S OF 07N BETWEEN 165E AND
174E. ISOLATED MODERATE TO STRONG ELSEWHERE S OF 09N W OF 177E. ALSO
ISOLATED MODERATE TSTMS S OF 03N BETWEEN 161W AND 154W AND FROM 23N
TO 13N BETWEEN 166W AND 154W.

$$
.FORECASTER A BEDAL. HONOLULU HI.





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