000
FZPN03 KNHC 180237
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC MON SEP 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

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 MON SEP 18.
24 HOUR FORECAST VALID 0000 UTC TUE SEP 19.
48 HOUR FORECAST VALID 0000 UTC WED SEP 20.

.WARNINGS.

...HURRICANE WARNING...

.HURRICANE OTIS NEAR 18.0N 127.2W 965 MB AT 0300 UTC SEP 18 
MOVING N OR 360 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 100 KT 
GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM E 
SEMICIRCLE...40 NM SW AND 50 NM NW QUADRANTS. SEAS 12 FT OR 
GREATER WITHIN 90 NM OF CENTER EXCEPT 60 NM NE QUADRANT WITH 
SEAS TO 30 FT. ELSEWHERE WITHIN 120 NM OF CENTER WINDS 20 TO 33 
KT. SEAS 9 TO 14 FT. REMAINDER WATERS WITHIN 210 NM E AND 150 NM 
W OF CENTER WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN 
MIXED SWELL.
.24 HOUR FORECAST HURRICANE OTIS NEAR 19.4N 127.6W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM N SEMICIRCLE...50 NM SE AND 40 NM SW QUADRANTS. 
WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER WITHIN 150 NM NW AND 
120 NM SE SEMICIRCLES WITH SEAS TO 31 FT. REMAINDER WATERS 
WITHIN 420 NM OF CENTER WINDS 20 KT OR LESS. SEAS TO 11 FT 
PRIMARILY IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM OTIS NEAR 19.0N 129.0W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS 
WITHIN 30 NM OF CENTER EXCEPT 40 NM NW QUADRANT. WINDS 20 TO 33 
KT AND SEAS 12 TO 17 FT WITHIN 90 NM OF CENTER. ELSEWHERE WITHIN 
270 NM OF CENTER WINDS 20 KT OR LESS. SEAS TO 11 FT PRIMARILY IN 
MIXED SWELL.
.72 HOUR FORECAST POST TROPICAL REMNANT LOW OTIS NEAR 17.6N 
131.3W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST TROPICAL REMNANT LOW OTIS NEAR 16.1N
134.3W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST POST TROPICAL REMNANT LOW OTIS NEAR 14.8N
137.2W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.

...TROPICAL STORM WARNING...
 
.TROPICAL STORM NORMA NEAR 21.4N 111.4W 1000 MB AT 0300 UTC SEP
18 MOVING WNW OR 300 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM OF CENTER
EXCEPT 50 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM
NE...75 NM SE...90 NM SW...AND 120 NM NW QUADRANTS WITH SEAS TO
18 FT. ELSEWHERE WITHIN 150 NM E AND 120 NM W SEMICIRCLES OF 
CENTER WINDS 20 TO 33 KT. SEAS 9 TO 11 FT. REMAINDER WATERS FROM 
18N TO 27N BETWEEN 107W AND 118W...INCLUDING THE GULF OF 
CALIFORNIA S OF 25N...WINDS 20 KT OR LESS. SEAS TO 10 FT 
PRIMARILY IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM NORMA NEAR 21.8N 113.0W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. LITTLE CHANGE IN
RADIUS OF TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. 
WINDS 20 TO 33 KT AND SEAS 12 TO 16 FT WITHIN 120 NM OF CENTER.
REMAINDER EPAC WATERS WITHIN 180 NM OF CENTER WINDS 20 KT OR 
LESS. SEAS TO 10 FT PRIMARILY IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL DEPRESSION NORMA NEAR 22.5N 114.5W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT NEAR CENTER. ELSEWHERE 
WITHIN 90 NM OF CENTER WINDS 20 TO 30 KT AND SEAS 9 TO 11 FT.
.72 HOUR FORECAST POST TROPICAL REMNANT LOW NORMA NEAR 23.7N
115.5W. 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 24.5N
115.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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.

.FROM 14N TO 18N W OF 133W WINDS 20 KT OR LESS. SEAS 8 FT IN 
MIXED NE AND SE SWELL.
.24 HOUR FORECAST FROM 15N TO 18N W OF 135W WINDS 20 KT OR LESS.
SEAS TO 9 FT IN MIXED NE AND SE SWELL.
.48 HOUR FORECAST EXCEPT AS NOTED NEAR TROPICAL CYCLONE OTIS...
W OF LINE FROM 30N120W TO 14N132W WINDS 20 KT OR LESS. SEAS 
TO 9 FT PRIMARILY IN NW SWELL.

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

CONVECTION VALID AT 0215 UTC MON SEP 18...

.HURRICANE OTIS...NUMEROUS STRONG WITHIN 60 NM OF CENTER. 
SCATTERED
MODERATE TO STRONG IN BANDS ELSEWHERE WITHIN 180 NM OF CENTER.

.TROPICAL STORM NORMA...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 150 NM OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N77W TO 10N86W TO 11N90W TO 08N100W...
RESUMES FROM 15N130W TO 11N140W. SCATTERED MODERATE ISOLATED 
STRONG WITHIN 120 NM OF LINE FROM 05N77W TO 11N104W AND WITHIN 
150 NM OF LINE FROM 13N127W TO 11N140W.

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.