000
FZPN03 KNHC 300247
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SUN JUL 30 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 0000 UTC SUN JUL 30.
24 HOUR FORECAST VALID 0000 UTC MON JUL 31.
48 HOUR FORECAST VALID 0000 UTC TUE AUG 01.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM HILARY NEAR 22.9N 123.7W 999 MB AT 0300 UTC JUL 
30 MOVING NW OR 305 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NW AND SE 
QUADRANTS...70 NM NE QUADRANT AND 40 NM SW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 120 NM N SEMICIRCLE AND 105 NM S SEMICIRCLE 
WITH SEAS TO 18 FT. ELSEWHERE WITHIN 120 NM OF CENTER WINDS 20 
TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF AREA BOUNDED BY 19N128W 
TO 19N119W TO 26N119W TO 26N127W TO 19N128W WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT IN MIXED SWELL.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW HILARY NEAR 25.0N 
128.1W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR 
GREATER NW SEMICIRCLE WITHIN 90 NM WITH SEAS TO 13 FT. ELSEWHERE 
WITHIN 120 NM NW AND 90 NM SE SEMICIRCLES WINDS 20 TO 30 KT. 
SEAS 9 TO 12 FT. REMAINDER OF AREA BOUNDED BY 21N131W TO 25N124W 
TO 29N126W TO 27N135W TO 21N131W WINDS 20 KT OR LESS. SEAS 8 TO 
12 FT IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW HILARY NEAR 26.0N 
132.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. CONDITIONS 
MERGED WITH IRWIN.
.72 HOUR FORECAST...DISSIPATED.

...TROPICAL STORM WARNING...
.TROPICAL STORM IRWIN NEAR 16.4N 124.6W 1002 MB AT 0300 UTC JUL 
30 MOVING N OR 355 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 45 KT 
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM W 
SEMICIRCLE...40 NM NE QUADRANT AND 50 NM SE QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 90 NM E SEMICIRCLE AND 75 NM W SEMICIRCLE WITH 
SEAS TO 17 FT. ELSEWHERE WITHIN 120 NM E AND 90 NM W SEMICIRCLES 
WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF AREA BOUNDED BY 
19N128W TO 19N119W TO 11N119W TO 12N128W TO 19N128W WINDS 20 KT 
OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM IRWIN NEAR 19.9N 126.0W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 50 NM NE QUADRANT...40 NM SE QUADRANT...0 NM SW 
QUADRANT...AND 30 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
90 NM NW AND 60 NM SE SEMICIRCLES WITH SEAS TO 15 FT. ELSEWHERE 
WITHIN 120 NM OF CENTER WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. 
REMAINDER OF AREA BOUNDED BY 21N131W TO 25N124W TO 19N118W TO 
16N127W TO 21N131W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED 
SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW IRWIN NEAR 24.6N 
128.9W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 120 NM 
E AND 60 NM W SEMICIRCLES WINDS 20 TO 25 KT. SEAS 9 TO 12 FT. 
REMAINDER OF AREA BOUNDED BY 23N126W TO 29N127W TO 29N138W TO 
23N138W TO 23N126W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED 
SWELL.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW IRWIN NEAR 27.4N 
132.1W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW IRWIN NEAR 28.5N 
133.5W. MAXIMUM SUSTAINED WINDS 15 KT GUSTS 20 KT.
.120 HOUR FORECAST...DISSIPATED.

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.

.S OF LINE FROM 06N79W TO 12N104W TO 03.4S116W...INCLUDING THE 
WATERS BETWEEN ECUADOR AND THE GALAPAGOS ISLANDS...WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT IN S TO SW SWELL.
.24 HOUR FORECAST E OF LINE FROM 15N102W TO 01S111W TO 02S120W 
TO 03.4S120W...INCLUDING THE WATERS BETWEEN ECUADOR AND THE 
GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO 
SW SWELL.
.48 HOUR FORECAST S OF LINE FROM 07N80W TO 07N103W TO 03N109W TO 
02N128W...INCLUDING WATERS BETWEEN ECUADOR AND THE GALAPAGOS 
ISLANDS...WINDS 20 KT OR LESS. SEAS TO 9 FT IN S SWELL.

.36 HOUR FORECAST FROM 19N TO 23N BETWEEN 109W AND 111W WINDS 20 
KT OR LESS. SEAS TO 9 FT PRIMARILY IN S SWELL.
.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 AT 0300 UTC SUN JUL 30...

.TROPICAL STORM HILARY...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 90 NM SE SEMICIRCLE.

.TROPICAL STORM IRWIN...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 90 NM OF CENTER.

.TROPICAL WAVE FROM 06N89W TO 13N90W. SCATTERED MODERATE 
FROM 06N TO 10N BETWEEN 85W AND 95W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 12N119W...THEN RESUMES FROM 
12N128W TO 10N140W. NO SIGNIFICANT CONVECTION.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.