High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 310430
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JUL 31 2015.
24 HOUR FORECAST VALID 0000 UTC AUG 01 2015.
48 HOUR FORECAST VALID 0000 UTC AUG 02 2015.

.WARNINGS.

...HURRICANE WARNING...
.48 HOUR FORECAST HURRICANE GUILLERMO NEAR 13.9N 139.8W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM NE QUADRANT...110 NM SE QUADRANT...80 NM SW
QUADRANT...AND 120 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
300 NM N SEMICIRCLE AND 250 NM S SEMICIRCLE WITH SEAS TO 30 FT.
ELSEWHERE WITHIN 350 NM NW SEMICIRCLE AND 180 NM SE SEMICIRCLE
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.72 HOUR FORECAST HURRICANE GUILLERMO NEAR 15.5N 143.5W. MAXIMUM
SUSTAINED WINDS 85 KT WITH GUSTS TO 105 KT. EXTENDED OUTLOOK...USE
FOR GUIDANCE ONLY.
.96 HOUR FORECAST HURRICANE GUILLERMO NEAR 16.5N 146.5W. MAXIMUM
SUSTAINED WINDS 70 KT WITH GUSTS TO 85 KT.
.120 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 18.0N 149.5W.
MAXIMUM SUSTAINED WINDS 55 KT WITH GUSTS TO 65 KT. SEE BULLETIN
WTPZ24 KNHC ISSUED BY NHC.

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 W OF AREA...SEE JMA ADVISORY. SE WINDS 20
TO 25 KT FROM 16N TO 13N W OF 162E. SEAS 8 TO 9 FT.
.24 HOUR FORECAST TROPICAL STORM SOUDELOR MOVED FAR W OF AREA. WINDS
DIMINISHED TO 20 KT OR LESS. SEAS LESS THAN 8 FT.

.LOW 17N142W 1007 MB MOVING W 15 KT AND DISSIPATING. WINDS 20 TO 25
KT WITHIN 300 NM OF LOW N SEMICIRCLE. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH 18N149W 12N147W. NE WINDS
20 TO 25 KT FROM 22N TO 17N BETWEEN 146W AND 151W. SEAS 8 TO
10 FT.
.48 HOUR FORECAST TROUGH 17N154W 11N151W. NE WINDS 20 TO 25 KT FROM
19N TO 17N BETWEEN 154W AND 157W.  SEAS 8 TO 9 FT FROM 22N TO 15N
BETWEEN 152W AND 155W.

.LOW 05N171E 1006 MB MOVING W SLOWLY. TROUGH 00N180W THROUGH LOW TO
11N160E MOVING SW SLOWLY. SCATTERED MODERATE TSTMS SW OF LINE
00N180W 10N160E.
.24 HOUR FORECAST 06N170E 1008 MB. TROUGH 00N176E THROUGH LOW TO
08N160E.
.48 HOUR FORECAST LOW DISSIPATED. TROUGH 00N175E TO 08N160E.

.TROUGH 11N154W 02N162W MOVING W 15 KT. NE WINDS 20 TO 25 KT FROM
15N TO 12N BETWEEN 152W AND 156W. SEAS 8 TO 9 FT FROM 17N TO 11N
BETWEEN 149W AND 155W. SCATTERED MODERATE TSTMS WITHIN 150 NM OF
TROUGH.
.24 HOUR FORECAST TROUGH 13N161W 02N165W. NE WINDS 20 TO 25 KT FROM
14N TO 12N BETWEEN 160W AND 162W. SEAS 8 TO 10 FT FROM 18N TO 11N
BETWEEN 155W AND 163W.
.48 HOUR FORECAST TROUGH 13N167W 07N172W. WINDS 20 TO 25 KT FROM
15N TO 13N BETWEEN 166W AND 170W. SEAS 8 TO 9 FT FROM 18N TO 12N
BETWEEN 163W AND 169W.

.TROUGH 23N170W 15N171W MOVING NW 10 KT. SCATTERED MODERATE
TSTMS BOUNDED BY 25N171W 23N166W 15N169W 22N172W 25N171W.
.24 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED BELOW.

.TROUGH 30N172W 24N177W MOVING NW SLOWLY. ISOLATED MODERATE TSTMS
WITHIN 60 NM OF TROUGH N OF 25N.
.24 HOUR FORECAST TROUGH 30N173W 16N176W.
.48 HOUR FORECAST TROUGH 30N174W 20N180W.

.ITCZ 08N140W 10N151W MOVING SW 15 KT. SCATTERED MODERATE TSTMS
BOUNDED BY 11N152W 06N142W 06N153W 11N152W.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.HONOLULU HI.




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