High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 311159 CCA
HSFNP

HIGH SEAS FORECAST...CORRECTED
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC FRI JUL 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0600 UTC JUL 31 2015.
24 HOUR FORECAST VALID 0600 UTC AUG 01 2015.
48 HOUR FORECAST VALID 0600 UTC AUG 02 2015.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GUILLERMO APPROACHING FORECAST AREA FROM E.
.36 HOUR FORECAST HURRICANE GUILLERMO JUST E OF FORECAST AREA NEAR
13.3N 138.4W. WINDS INCREASING TO 20 TO 35 KT AND SEAS BUILDING TO
8 TO 15 FT FROM 18N TO 11N E OF 143W.
.48 HOUR FORECAST HURRICANE GUILLERMO NEAR 14.1N 140.6W. MAXIMUM
WINDS 95 KT GUSTING 115 KT. WINDS 34 KT OR GREATER AND SEAS 16 FT
OR HIGHER WITHIN 140 NM NE QUADRANT...110 NM SE QUADRANT...80 NM SW
QUADRANT...120 NM NW QUADRANT. WINDS 20 TO 33 KT AND SEAS 8 TO 15
FT ELSEWHERE WITHIN 240 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE.
.EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY.
.72 HOUR FORECAST HURRICANE GUILLERMO NEAR 15.5N 144.0W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTING 100 KT.
.96 HOUR FORECAST FORECAST HURRICANE GUILLERMO NEAR 16.5N 146.5W.
MAXIMUM SUSTAINED WINDS 70 KT GUSTING 85 KT.
.120 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 17.5N 150.0W.

.FORECAST WINDS NEAR TROPICAL CYCLONES SHOULD BE USED WITH CAUTION
DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY.

.SYNOPSIS AND FORECAST.

.TROPICAL STORM SOUDELOR JUST W OF FORECAST AREA NEAR 13.2N 156.8E
MOVING W 07 KT. SEAS 8 TO 9 FT FROM 21N TO 12N W OF 162E. SCATTERED
MODERATE TO STRONG TSTMS FROM 18N TO 00N W OF 165E.
.24 HOUR FORECAST TROPICAL STORM FAR W OF FORECAST AREA. SEAS
SUBSIDED TO 8 FT OR LOWER.

.DISSIPATING LOW NEAR 16N144W 1009 MB MOVING W 10 KT. ASSOCIATED
WINDS INCLUDED BELOW.
.24 HOUR FORECAST REMNANT TROUGH FROM 13N149W TO 19N150W.
.48 HOUR FORECAST TROUGH FROM 12N153W TO 15N155W TO 20N154W.

.LOW NEAR 06N171E 1005 MB NEARLY STATIONARY. ASSOCIATED TSTMS
INCLUDED BELOW.
.48 HOUR FORECAST LOW DISSIPATED.

.TROUGH FROM 07N157W TO 11N156W TO 14N154W. ASSOCIATED WINDS
INCLUDED BELOW. ISOLATED MODERATE TSTMS WITHIN 150 NM EITHER SIDE OF
TROUGH AXIS.
.24 HOUR FORECAST TROUGH FROM 09N164W TO 12N163W TO 15N161W.
.48 HOUR FORECAST TROUGH FROM 08N171W TO 12N160W TO 15N168W.

.TROUGH FROM 17N173W TO 22N171W TO 26N170W. ISOLATED MODERATE TO
STRONG TSTMS FROM 20N TO 12N BETWEEN 177W AND 150W.
.24 HOUR FORECAST TROUGH FROM 19N176W TO 24N175W TO 29N173W.
.48 HOUR FORECAST DISSIPATING TROUGH FROM 23N179W TO 28N176W.

.RIDGE BUILDING OVER FORECAST AREA.
.48 HOUR FORECAST RIDGE FROM 30N160E TO 27N172E.

.WINDS 20 TO 25 KT WITHIN A POLYGON BOUNDED BY 23N140W 16N140W
11N157W 18N162W 22N149W 23N140W.
.24 HOUR FORECAST WINDS 20 TO 25 KT WITHIN A POLYGON BOUNDED BY
23N146W 16N145W 11N160W 15N164W 22N151W 23N146W.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 10 FT WITHIN A POLYGON BOUNDED BY 23N140W 16N140W
11N157W 18N162W 22N149W 23N140W.
.24 HOUR FORECAST SEAS 8 TO 9 FT WITHIN A POLYGON BOUNDED BY
23N146W 16N145W 11N160W 15N164W 22N151W 23N146W.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 18N TO 23N BETWEEN 170W AND
164W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ FROM 07N140W TO 09N154W. SCATTERED MODERATE ISOLATED STRONG
TSTMS WITHIN 120 NM OF ITCZ.

.OTHERWISE AND ELSEWHERE...ISOLATED MODERATE TSTMS S OF A LINE FROM
24N160E TO 11N179W. ALSO SCATTERED MODERATE ISOLATED STRONG TSTMS S
OF 07N BETWEEN 167W AND 155W.

$$
.FORECASTER A BEDAL. HONOLULU HI.





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