000
FZPN03 KNHC 171615
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SUN SEP 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SUN SEP 17.
24 HOUR FORECAST VALID 1200 UTC MON SEP 18.
48 HOUR FORECAST VALID 1200 UTC TUE SEP 19.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM NORMA NEAR 20.9N 110.5W 1003 MB AT 1500 UTC SEP 
17 MOVING NNW OR 340 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 40 KT 
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM N 
SEMICIRCLE....60 NM SE QUADRANT AND 70 NM SW QUADRANT. SEAS 12 
FT OR GREATER WITHIN 120 NM N SEMICIRCLE...90 NM SE QUADRANT AND 
60 NM SW QUADRANT WITH SEAS TO 17 FT. ELSEWHERE WITHIN 150 NM N 
SEMICIRCLE AND 120 NM S SEMICIRCLE OF CENTER WINDS 20 TO 33 KT. 
SEAS 9 TO 12 FT. REMAINDER OF AREA FROM 16N TO 27N BETWEEN 106W 
AND 117W...INCLUDING FAR SOUTHERN PORTION OF GULF OF CALIFORNIA 
WINDS 20 KT OR LESS. SEAS FROM 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM NORMA NEAR 21.7N 111.6W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 70 NM N SEMICIRCLE AND 60 NM S SEMICIRCLE. SEAS 12 
FT OR GREATER WITHIN 120 NM N SEMICIRCLE AND 60 NM S SEMICIRCLE 
OF CENTER WITH SEAS TO 15 FT. ELSEWHERE WITHIN 120 NM OF CENTER 
WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF AREA FROM 17N 
TO 27N BETWEEN 107W AND 118W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL DEPRESSION NORMA NEAR 22.2N 113.2W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 120 NM N 
SEMICIRCLE AND 60 NM S SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8
TO 14 FT IN MIXED SWELL.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW NORMA NEAR 22.8N 
114.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW NORMA NEAR 23.5N 
114.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW NORMA NEAR 24.0N 
114.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.

...TROPICAL STORM WARNING...
.TROPICAL STORM OTIS NEAR 16.3N 127.3W 999 MB AT 1500 UTC SEP 17 
MOVING N OR 360 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 
60 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM OF CENTER EXCEPT 
30 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM OF CENTER 
WITH SEAS TO 14 FT. ELSEWHERE WITHIN 60 NM OF CENTER WINDS 20 TO 
33 KT. SEAS 8 TO 12 FT. REMAINDER AREA FROM 13N TO 20N BETWEEN 
122W AND 133W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED NE 
AND SE SWELL.
.24 HOUR FORECAST TROPICAL STORM OTIS NEAR 18.0N 127.5W. MAXIMUM 
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM NE QUADRANT...40 NM SE QUADRANT...30 NM SW 
QUADRANT...AND 50 NM NW QUADRANT. WINDS 20 TO 33 KT AND SEAS 12 
FT OR GREATER WITHIN 90 NM OF CENTER WITH SEAS TO 20 FT. 
ELSEWHERE FROM 14N TO 21N BETWEEN 123W AND 134W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM OTIS NEAR 18.9N 128.3W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS 
WITHIN 50 NM N SEMICIRCLE...40 NM SE QUADRANT AND 30 NM SW 
QUADRANT. WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER WITHIN 60 
NM OF CENTER WITH SEAS TO 16 FT. ELSEWHERE FROM 14N TO 22N 
BETWEEN 123W AND 134W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM OTIS NEAR 18.1N 130.1W. MAXIMUM 
SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW OTIS NEAR 17.0N 
133.1W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW OTIS NEAR 15.7N 
136.6W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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.

.FROM 10N TO 14N W OF 133W WINDS 20 KT OR LESS. SEAS 8 FT IN 
MIXED NE AND SE SWELL.
.24 HOUR FORECAST FROM 09N TO 17N W OF 134W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN MIXED NE AND SE SWELL.
.48 HOUR FORECAST FROM 13N TO 15N W OF 134W WINDS 20 KT OR LESS. 
SEAS TO 8 FT IN MIXED NE AND SE SWELL.

.48 HOUR FORECAST N OF 30N BETWEEN 120W AND 123W WINDS 20 KT OR 
LESS. SEAS 8 FT IN MIXED SE AND N SWELL.

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

CONVECTION VALID AT 1545 UTC SUN SEP 17...

.TROPICAL STORM NORMA...SCATTERED MODERATE ISOLATED STRONG 
FROM 21N TO 23N BETWEEN 110W AND 112W. SCATTERED MODERATE 
IS FROM 20N TO 21N BETWEEN 110W AND 112W.

.TROPICAL STORM OTIS...NUMEROUS STRONG WITHIN 60 NM NW 
QUADRANT. SCATTERED TO NUMEROUS STRONG ELSEWHERE WITHIN 60 NM OF 
CENTER...EXCEPT 30 NM E QUADRANT. SCATTERED MODERATE ISOLATED 
STRONG WITHIN 30 NM OF LINE FROM 14N127W TO 15N129W...AND WITHIN 
30 NM EITHER SIDE OF LINE FROM 16.5N125W TO 18N127W.

.SCATTERED TO NUMEROUS STRONG FROM 15N TO 17N BETWEEN 94W AND 
96W...AND FROM 12N TO 14N BETWEEN 93W AND 95W. SCATTERED 
MODERATE ISOLATED STRONG FROM 11N TO 14N BETWEEN 88W AND 92W.
SCATTERED STRONG FROM 16N TO 18N BETWEEN 101W AND 103W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N79W TO 10N90W TO 14N104W. IT 
RESUMES AT 14N131W TO 11N140W. SCATTERED TO NUMEROUS STRONG 
WITHIN 60 NM OF AXIS BETWEEN 133W AND 137W. SCATTERED MODERATE 
ISOLATED STRONG WITHIN 60 NM OF AXIS BETWEEN 79W AND 85W...FROM 
10N TO 13N BETWEEN 95W AND 99W...WITHIN 120 NM S OF AXIS BETWEEN 
97W AND 100W...AND W OF 137W.

$$

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.