000
FZPN03 KNHC 132100
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED SEP 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC WED SEP 13.
24 HOUR FORECAST VALID 1800 UTC THU SEP 14.
48 HOUR FORECAST VALID 1800 UTC FRI SEP 15.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION FIFTEEN-E NEAR 15.1N 121.3W 1005 MB AT 2100 
UTC SEP 13 MOVING W OR 275 DEG AT 6 KT. WITHIN 150 NM OF CENTER 
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 
.24 HOUR FORECAST TROPICAL STORM FIFTEEN-E NEAR 15.4N 123.2W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 40 NM N SEMICIRCLE...30 NM SE QUADRANT AND 0 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 45 NM N SEMICIRCLE AND 30 
NM SE QUADRANT WITH SEAS TO 13 FT. ELSEWHERE WITHIN 120 NM NW 
AND 180 NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. 
.48 HOUR FORECAST TROPICAL STORM FIFTEEN-E NEAR 15.5N 125.0W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 40 NM OF CENTER EXCEPT 0 NM SW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 45 NM N SEMICIRCLE AND 60 NM SE QUADRANT WITH 
SEAS TO 13 FT. ELSEWHERE WITHIN 240 NM OF CENTER WINDS 20 TO 33 
KT. SEAS TO 11 FT.
.72 HOUR FORECAST TROPICAL STORM FIFTEEN-E NEAR 15.5N 125.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM FIFTEEN-E NEAR 15.5N 125.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST TROPICAL STORM FIFTEEN-E NEAR 16.0N 125.0W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.

...TROPICAL STORM WARNING...
.TROPICAL STORM MAX NEAR 16.1N 101.4W 1005 MB AT 2100 UTC SEP 13 
MOVING ENE OR 070 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM E 
SEMICIRCLE AND 0 NM W SEMICIRCLE.  SEAS 12 FT OR GREATER WITHIN 
60 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE WITH SEAS TO 12 FT. 
ELSEWHERE WITHIN 90 NM SE AND 60 NM NW SEMICIRCLES WINDS 20 TO 
33 KT. SEAS 9 TO 11 FT. 
.24 HOUR FORECAST TROPICAL DEPRESSION MAX NEAR 16.8N 99.0W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER FORECAST WATERS 
WITHIN 120 NM OF CENTER WINDS 20 TO 30 KT. SEAS TO 12 FT.
.36 HOUR FORECAST POST-TROPICAL MAX NEAR 17.0N 97.5W. MAXIMUM 
SUSTAINED WINDS 25 KT GUSTS 35 KT.
.48 HOUR FORECAST...DISSIPATED. WINDS 20 KT OR LESS. SEAS LESS 
THAN 8 FT. 

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.

.LOW PRES NEAR 15N111W 1009 MB. WITHIN 360 NM S SEMICIRCLE OF 
LOW S TO SW WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
17.5N109W 1007 MB. WITHIN 330 NM SE AND 120 NM NW SEMICIRCLES OF 
LOW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
18.5N108W 1006 MB. WITHIN 330 NM SE AND 150 NM NW SEMICIRCLES OF 
LOW WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 

.EXCEPT AS NOTED ABOVE...FROM 07N TO 14N BETWEEN 102W AND 124W S 
TO SW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.  ELSEWHERE S OF LINE 
FROM 01S120W TO 07N116W TO 11N96W TO 00N81W...EXCEPT LEE OF 
GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
PRIMARILY IN MIXED SE AND SW SWELL.
.24 HOUR FORECAST S OF LINE FROM 03.4S115W TO 10N110W TO 10N100W 
TO 00N81W...EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS 20 KT OR 
LESS. SEAS TO 9 FT PRIMARILY IN SW SWELL.
.48 HOUR FORECAST S OF LINE FROM 01N121W TO 05S115W TO 05N96W TO 
03.4S86W WINDS 20 KT OR LESS. SEAS TO 8 FT IN S SWELL.

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

CONVECTION VALID AT 2100 UTC WED SEP 13...

.TROPICAL STORM MAX NEAR 16.1N 101.4W. NUMEROUS MODERATE TO 
STRONG WITHIN 60 NM E SEMICIRCLE. SCATTERED MODERATE ISOLATED 
STRONG ELSEWHERE FROM 13N TO 17N BETWEEN 98W AND 103W.

.TROPICAL DEPRESSION FIFTEEN-E NEAR 15.1N 121.3W. SCATTERED 
MODERATE TO STRONG WITHIN 210 NM W AND 60 NM NE QUADRANTS. 
SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 11N TO 18N 
BETWEEN 119W AND 125W.

.LOW PRES NEAR 15N111W. SCATTERED MODERATE ISOLATED STRONG 
WITHIN 90 NM S SEMICIRCLE. SCATTERED MODERATE WITHIN 60 NM N 
SEMICIRCLE.

INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 11N85W TO 13N91W TO TROPICAL STORM MAX NEAR 
16.1N 101.4W TO LOW PRES NEAR 15N111W TO TROPICAL DEPRESSION 
FIFTEEN-E NEAR 15.1N 121.3W TO 10N126W TO LOW PRES NEAR 
10.5N135W TO BEYOND 10N140W. SCATTERED MODERATE ISOLATED STRONG 
FROM 05N TO 09N BETWEEN 78W AND 86W. SCATTERED MODERATE ISOLATED 
STRONG WITHIN 150 NM SOUTH OF THE MONSOON TROUGH BETWEEN 104W 
AND 115W. SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM OF THE 
MONSOON TROUGH BETWEEN 128W AND 138W. 

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.