000
FZPN03 KNHC 230341
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC MON OCT 23 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON OCT 23.
24 HOUR FORECAST VALID 0000 UTC TUE OCT 24.
48 HOUR FORECAST VALID 0000 UTC WED OCT 25.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM NORMA NEAR 25.0N 109.0W 990 MB AT 0300 UTC OCT 
23 MOVING ENE OR 060 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE 
QUADRANT...130 NM SE QUADRANT...60 NM SW QUADRANT...AND 80 NM NW 
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 60 NM W SEMICIRCLE...30 
NM NE QUADRANT AND 120 NM SE QUADRANT WITH SEAS TO 20 FT. 
ELSEWHERE OVER FORECAST WATER WITHIN 120 NM NE AND 60 NM SW 
SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER GULF 
WATERS FROM 22N TO 27N WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN W 
TO NW SWELL FROM 22N TO 23N AND FROM 26N TO 27N.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW NORMA INLAND MEXICO 
NEAR 26.0N 107.0W. OVER FORECAST WATERS WINDS 20 KT OR LESS. 
SEAS LESS
.36 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.

...TROPICAL STORM WARNING...
.TROPICAL STORM OTIS NEAR 11.1N 97.3W 1004 MB AT 0300 UTC OCT 23 
MOVING NNW OR 345 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM E 
SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 
30 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE WITH SEAS TO 13 FT.
ELSEWHERE WITHIN 90 NM E SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT. WITHIN 60 NM W SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 10 
FT. REMAINDER OF AREA FROM 08N TO 13N BETWEEN 94W AND 100W WINDS
20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.24 HOUR FORECAST TROPICAL STORM OTIS NEAR 12.6N 97.6W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER WITH SEAS 
TO 15 FT. LITTLE CHANGE ELSEWHERE. REMAINDER OF AREA FROM 08N TO 
14N BETWEEN 94W AND 100W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED SWELL.   
.48 HOUR FORECAST TROPICAL STORM OTIS NEAR 14.5N 98.3W. MAXIMUM 
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM E SEMICIRCLE...20 NM SW QUADRANT AND 30 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM E SEMICIRCLE...0 NM 
SW QUADRANT AND 30 NM NW QUADRANT WITH SEAS TO 16 FT. ELSEWHERE 
WITHIN 120 NM NE QUADRANT...90 NM SE QUADRANT AND 60 NM W 
SEMICIRCLE WINDS 20 TO 33 KT. 9 TO 14 FT. REMAINDER OF AREA FROM 
10N TO 16N BETWEEN 95W AND 100W WINDS 20 KT OR LESS. SEAS 8 TO 
10 FT IN MIXED SWELL.    
.72 HOUR FORECAST TROPICAL STORM OTIS NEAR 16.1N 99.3W. MAXIMUM 
SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM OTIS INLAND NEAR 17.6N 100.6W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST...DISSIPATED.

.SYNOPSIS AND FORECAST.

.FROM 27N TO 30N E OF 119W TO BAJA CALIFORNIA...INCLUDING 
SEBASTIAN VIZCAINO BAY...NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 10 
FT. IN W TO NW SWELL.
.24 HOUR FORECAST FROM 23N TO 29N E OF 118W TO BAJA CALIFORNIA 
...INCLUDING SEBASTIAN VIZCAINO BAY AND ALSO FROM 20N TO 23N 
BETWEEN 110W AND 115W WINDS 20 KT OR LESS. SEAS 8 TO 9 IN NW 
SWELL. N OF 29N BETWEEN 120W AND 129W NW WINDS 20 TO 25 KT.
SEAS 8 TO 10 FT. 
.48 HOUR FORECAST N OF 25N BETWEEN 117W AND A LINE FROM 30N129W 
TO 25N124W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
SWELL...HIGHEST N OF 29N.

.EXCEPT AS NOTED IN WARNINGS WITH TROPICAL STORM OTIS...S OF 
18N BETWEEN 94W AND 122W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN 
NW SWELL.
.24 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS WITH TROPICAL 
STORM OTIS...S OF 12N BETWEEN 94W AND 119W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST S OF 10N BETWEEN 94W AND 113W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN DECAYING MIXED SW AND NW SWELL.

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

CONVECTION VALID AT 0315 UTC MON OCT 23...

.TROPICAL STORM NORMA...NO SIGNIFICANT CONVECTION NOTED.

.TROPICAL STORM OTIS...NUMEROUS MODERATE TO STRONG WITHIN 120 NM 
NW QUADRANT. SCATTERED MODERATE ISOLATED STRONG FROM 12N TO 14N 
BETWEEN 95W AND 97W. 

.SCATTERED MODERATE WITHIN 60 NM OF 05N91W.  

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N79W TO 08N93W. IT RESUMES AT 
09N103W TO 09N120W. ITCZ EXTENDS FROM 09N120W TO LOW PRES NEAR 
10N123W 1011 MB AND TO 11N128W TO 06N135W TO 08N140W. SCATTERED 
MODERATE WITHIN 120 NM S AND 60 NM N OF TROUGH BETWEEN 103W AND 
109W. SCATTERED MODERATE WITHIN 60 NM S OF TROUGH BETWEEN 109W 
AND 117W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.