524 
FZPN03 KNHC 070409
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC WED OCT 07 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED OCT 07.
24 HOUR FORECAST VALID 0000 UTC THU OCT 08.
48 HOUR FORECAST VALID 0000 UTC FRI OCT 09.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM NORBERT NEAR 14.5N 106.9W 1001 MB AT 0300 UTC
OCT 07 MOVING NNW OR 330 DEG AT 1 KT. MAXIMUM SUSTAINED WINDS 45
KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 20 NM OF
CENTER EXCEPT 30 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 45
NM N SEMICIRCLE AND 30 NM S SEMICIRCLE WITH SEAS TO 15 FT. 
ELSEWHERE WITHIN AREA BOUNDED BY 14N106W TO 13N106W TO 14N108W TO
15N107W TO 15N106W TO 14N106W WINDS 20 TO 33 KT. SEAS 8 TO 11 
FT. REMAINDER OF AREA WITHIN 11N105W TO 12N107W TO 14N109W TO 
16N107W TO 14N105W TO 11N105W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN S TO SW SWELL.
.24 HOUR FORECAST TROPICAL STORM NORBERT NEAR 14.7N 107.0W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 40 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE. SEAS 12 
FT OR GREATER WITHIN 60 NM N AND 30 NM S SEMICIRCLES WITH SEAS TO
18 FT. ELSEWHERE WITHIN AREA BOUNDED BY 14N106W TO 14N107W TO 
15N108W TO 16N107W TO 14N106W WINDS 20 TO 33 KT. SEAS 9 TO 11 FT.
REMAINDER OF AREA WITHIN 14N105W TO 12N106W TO 13N108W TO 
16N107W TO 15N105W TO 14N105W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN SW TO W SWELL.
.48 HOUR FORECAST TROPICAL STORM NORBERT NEAR 14.7N 107.3W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 40 NM OF CENTER. SEAS 12 FT OR GREATER WITHIN 60 NM 
N AND 30 NM S SEMICIRCLES WITH SEAS TO 18 FT. ELSEWHERE WITHIN 
AREA BOUNDED BY 14N106W TO 14N107W TO 14N108W TO 15N108W TO 
16N107W TO 14N106W WINDS 20 TO 33 KT. SEAS 8 TO 10 FT. REMAINDER 
OF AREA WITHIN 13N106W TO 14N108W TO 15N108W TO 16N107W TO 
15N106W TO 13N106W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW
SWELL.
.72 HOUR FORECAST TROPICAL STORM NORBERT NEAR 15.2N 108.9W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. EXTENDED OUTLOOK...USE
FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM NORBERT NEAR 16.0N 110.5W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST TROPICAL STORM NORBERT NEAR 16.5N 112.5W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 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.

.POST-TROPICAL CYCLONE MARIE NEAR 22N136W 1005 MB MOVING WNW AT 
7 KT. WITHIN AREA BOUNDED BY 22N135W TO 23N139W TO 24N139W TO 
26N137W TO 24N134W TO 22N135W NE TO E WINDS 20 TO 30 KT. SEAS 10 
TO 16 FT. ELSEWHERE WITHIN 20N135W TO 18N140W TO 28N140W TO 
27N133W TO 24N131W TO 20N135W WINDS 20 KT OR LESS. SEAS 8 TO 12 
FT IN MIXED SWELL. 
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW MARIE NEAR 23N138W 
1006 MB. WITHIN AREA BOUNDED BY 24N136W TO 23N138W TO 24N140W TO 
26N139W TO 26N135W TO 24N136W NE TO E WINDS 20 TO 30 KT. SEAS 11 
TO 14 FT. REMAINDER OF AREA WITHIN 23N135W TO 20N140W TO 28N140W 
TO 26N138W TO 27N135W TO 23N135W WINDS 20 KT OR LESS. SEAS 8 TO 
11 FT IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW MARIE NEAR 23N139W 
1007 MB. WITHIN AREA BOUNDED BY 25N138W TO 24N139W TO 22N140W TO 
27N140W TO 26N137W TO 25N138W NE TO E WINDS 20 TO 25 KT...EXCEPT 
E TO SE WINDS 20 TO 25 KT BETWEEN 138W AND 139W. SEAS 8 TO 9 FT 
PRIMARILY IN SE SWELL.

.WITHIN AREA BOUNDED BY 15N94W TO 14N95W TO 15N95W TO 16N95W TO 
16N94W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
20 TO 30 KT. SEAS 8 TO 10 FT. WITHIN AREA BOUNDED BY 06N92W TO 
03N102W TO 07N102W TO 14N95W TO 09N91W TO 06N92W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN N TO NE SWELL.
.18 HOUR FORECAST WITHIN AREA BOUNDED BY 11N95W TO 10N96W TO 
13N96W TO 15N95W TO 14N94W TO 11N95W...INCLUDING THE GULF OF 
TEHUANTEPEC...WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL 
MIXED WITH S TO SW SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN AREA BOUNDED BY 03.4S97W TO 00N140W TO 13N140W TO 
15N115W TO 04N110W TO 03.4S97W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN SE TO S SWELL.
.12 HOUR FORECAST WITHIN AREA BOUNDED BY 09N123W TO 09N126W TO 
10N126W TO 12N124W TO 12N122W TO 09N123W SW WINDS 20 TO 25 KT.
SEAS 9 TO 10 FT. ELSEWHERE WITHIN AREA BOUNDED BY 03S97W TO 
00N140W TO 15N120W TO 06N112W TO 03S97W WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN SE TO S SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 03S95W TO 03.4S120W TO 
00N140W TO 15N125W TO 06N94W TO 03S95W WINDS 20 KT OR LESS...
EXCEPT SW WINDS 20 TO 25 KT WITHIN 13N122W TO 12N120W TO 10N123W
TO 12N124W TO 13N122W. SEAS 8 TO 9 FT IN SE TO S SWELL...EXCEPT 
9 TO 10 FT WITHIN AREA BOUNDED BY 13N122W TO 12N120W TO 10N123W
TO 12N124W TO 13N122W. 
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 03S92W TO 00N140W TO 
17N125W TO 09N114W TO 06N89W TO 03S92W WINDS 20 KT OR LESS. SEAS 
8 TO 9 FT IN S SWELL.

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

CONVECTION VALID AT 0345 UTC WED OCT 07...

.TROPICAL STORM NORBERT...SCATTERED MODERATE WITHIN 90 NM E
QUADRANT AND WITHIN 30 NM OF 14N105W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 13N89W TO LOW PRES NEAR 11N94W
1009 MB AND TO 10N98W. IT RESUMES AT 14N111W TO 13N119W TO LOW
PRES NEAR 11N124W 1008 MB AND 12N137W. ITCZ AXIS EXTENDS FROM
12N137W TO BEYOND 11N140W. SCATTERED MODERATE ISOLATED STRONG 
WITHIN 120 NM N OF THE TROUGH BETWEEN 125W AND 128W. SCATTERED 
MODERATE WITHIN 120 NM S OF THE TROUGH BETWEEN BETWEEN 116W AND
119W AND ALSO FROM 10N TO 13N BETWEEN 107W AND 110W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.