High Seas Forecast
Issued by NWS

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000
FZPN03 KNHC 310257
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0000 UTC FRI JUL 31.
24 HOUR FORECAST VALID 0000 UTC SAT AUG 01.
48 HOUR FORECAST VALID 0000 UTC SUN AUG 02.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GUILLERMO NEAR 10.8N 129.3W 991 MB AT 0300 UTC
JUL 31 MOVING NW OR 305 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 60
KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NW AND
SE QUADRANTS...80 NM NE QUADRANT AND 40 NM SW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 120 NM NW AND SE QUADRANTS...150 NM NE
QUADRANT AND 75 NM SW QUADRANT WITH SEAS TO 21 FT.  ELSEWHERE
WITHIN 300 NM NE SEMICIRCLE...120 NM W AND 60 NM S QUADRANTS
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.12 HOUR FORECAST HURRICANE GUILLERMO NEAR 11.4N 131.4W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM NE QUADRANT...90 NM SE QUADRANT...60 NM SW
QUADRANT...AND 90 NM NW QUADRANT. LITTLE CHANGE IN SEAS 12 FT OR
GREATER. ELSEWHERE WITHIN 300 NM NE...210 NM NW...210 NM SE AND
90 NM SW QUADRANTS WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST HURRICANE GUILLERMO NEAR 12.3N 134.5W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 NM NE QUADRANT...100 NM SE QUADRANT...80 NM SW
QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
300 NM N AND 150 NM S SEMICIRCLES WITH SEAS TO 30 FT. ELSEWHERE
WITHIN 240 NM NE...180 NM NW...210 NM SE AND 90 NM SW QUADRANTS
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.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
SEAS WITHIN 300 NM N AND 150 NM S SEMICIRCLES WITH SEAS TO 38
FT. ELSEWHERE WITHIN 240 NM NE...180 NM NW...210 NM SE AND 90 NM
SW QUADRANTS 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 GUSTS 105 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE GUILLERMO NEAR 16.5N 146.5W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.120 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 18.0N 149.5W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.

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

.SYNOPSIS AND FORECAST.

.OVER FORECAST WATERS FROM 17N TO 24N W OF 135W E TO SE WINDS 20
TO 25 KT. SEAS 8 TO 10 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.06 HOUR FORECAST FROM 10N TO 12N E OF 88W...INCLUDING THE GULF
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.30 HOUR FORECAST S OF 02S BETWEEN BETWEEN 105W AND 120W WINDS
20 KT OR LESS. SEAS TO 8 FT IN MIXED SW AND S SWELL.
.48 HOUR FORECAST S OF 01S BETWEEN 96W AND 120W WINDS 20 KT OR
LESS. SEAS TO 8 FT PRIMARILY IN SW SWELL.

.24 HOUR FORECAST N OF 25N WITHIN 90 NM OF W COAST OF BAJA
CALIFORNIA NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID 0230 UTC FRI JUL 31...

.TROPICAL STORM GUILLERMO...NUMEROUS STRONG WITHIN 120 NM IN THE
NE QUADRANT AND ELSEWHERE WITHIN 90 NM OF CENTER. SCATTERED
MODERATE TO STRONG ELSEWHERE WITHIN 180 NM N AND
210 NM S SEMICIRCLES.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 10N85W TO 09N95W TO 06N106W. SCATTERED
MODERATE TO STRONG FROM 06N TO THE COAST OF COSTA RICA BETWEEN
83W AND 88W. SCATTERED MODERATE WITHIN 90 NM OF THE AXIS BETWEEN
92W AND 95W...AND FROM 09N TO 14N BETWEEN 100W AND 104W.

.FORECASTER COBB. NATIONAL HURRICANE CENTER.



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