000
FZPN40 PHFO 012244
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC SAT AUG 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC AUG 01 2015.
24 HOUR FORECAST VALID 1800 UTC AUG 02 2015.
48 HOUR FORECAST VALID 1800 UTC AUG 03 2015.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GUILLERMO NEAR 13.8N 140.1W 970 MB AT 2100 UTC AUG 01
MOVING WNW OR 285 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 90 KT
GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE
QUADRANT...100 NM SE QUADRANT...60 NM SW QUADRANT...AND 90 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 420 NM NE QUADRANT...240
NM SE QUADRANT...210 NM SW QUADRANT...AND 300 NM NW QUADRANT
WITH SEAS TO 38 FT. WITHIN 270 NM OF CENTER EXCEPT 330 NM NE
QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. NUMEROUS STRONG TSTMS
WITHIN 150 NM OF CENTER NW QUADRANT. ISOLATED MODERATE TSTMS
ELSEWHERE BOUNDED 16N140W 16N135W 12N140W 14N142W 16N140W.
.24 HOUR FORECAST HURRICANE GUILLERMO NEAR 15.1N 143.8W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN
120 NM NE QUADRANT...100 NM SE QUADRANT...60 NM SW QUADRANT...AND 90
NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 420 NM NE QUADRANT...240
NM SE QUADRANT...210 NM SW QUADRANT...AND 300 NM NW QUADRANT WITH
SEAS TO 38 FT. WITHIN 300 NM OF CENTER...EXCEPT 420 NM E SEMICIRCLE
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 16.7N 146.7W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 120 NM NE QUADRANT...100 NM SE QUADRANT...60 NM SW
QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 420
NM NE QUADRANT...240 NM SE QUADRANT...210 NM SW QUADRANT...AND 300
NM NW QUADRANT WITH SEAS TO 38 FT. ELSEWHERE WITHIN 240 NM OF
CENTER EXCEPT 390 NM NE QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 18.2N 149.5W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.

EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 19.7N 152.4W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 21.0N 155.5W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.

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

.SYNOPSIS AND FORECAST.

.LOW 15N153W 1009 MB MOVING W 15 KT. TROUGH 17N153W THROUGH LOW TO
11N149W. NE WINDS 20 TO 25 KT WITHIN 90 NM OF LINE 22N148W 21N153W.
SEAS 8 TO 9 FT FROM 23N TO 15N BETWEEN 148W AND 154W. ISOLATED
MODERATE TSTMS WITHIN 90 NM OF LOW.
.24 HOUR FORECAST LOW 13N157W 1008 MB. TROUGH 15N159W THROUGH LOW TO
11N153W. WINDS DIMINISHED TO 20 KT OR LESS. SEAS DIMINISHED TO LESS
THAN 8 FT.
.48 HOUR FORECAST LOW 12N162W 1008 MB. TROUGH 13N162W THROUGH LOW TO
09N162W.

.LOW 13N167W TROUGH 11N167W THROUGH LOW TO 02N170W MOVING W 15 KT.
WINDS 20 TO 25 KT FROM 16N TO 13N BETWEEN 163W AND 166W. SEAS 8 TO
10 FT FROM 17N TO 12N BETWEEN 159W AND 167W. ISOLATED MODERATE TSTMS
BOUNDED BY 16N170W 13N163W 12N171W 16N170W.
.24 HOUR FORECAST LOW 12N172W 1007 MB. TROUGH 13N173W THROUGH LOW TO
07N173W. WINDS DIMINISHED TO 20 KT OR LESS. SEAS 8 TO 9 FT FROM 17N
TO 13N BETWEEN 167W AND 172W.
.48 HOUR FORECAST LOW 12N177W 1007 MB. TROUGH 14N176W THROUGH LOW TO
09N179W. SEAS DIMINISHED TO LESS THAN 8 FT.

.TROUGH 00N179E 10N160E MOVING W SLOWLY. ISOLATED MODERATE TSTMS
SW OF LINE 16N160E 14N167E 08N173E 00N177E.
.24 HOUR FORECAST TROUGH 00N178E 10N160E.
.48 HOUR FORECAST TROUGH 00N177E 07N160E.

.ITCZ 06N140W 05N150W 10N163W MOVING SW 15 KT. SCATTERED MODERATE
TSTMS WITHIN 120 NM OF ITCZ E OF 156W.

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

.ISOLATED TSTMS WITHIN 90 NM OF LINE 18N173W 14N178W.

$$
.HONOLULU HI.