000
FZPN03 KNHC 182132
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED NOV 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC WED NOV 18.
24 HOUR FORECAST VALID 1800 UTC THU NOV 19.
48 HOUR FORECAST VALID 1800 UTC FRI NOV 20.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM POLO NEAR 16.5N 117.2W 1004 MB AT 2100 UTC NOV 
18 MOVING WNW OR 285 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 40 KT 
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W SEMICIRCLE
...30 NM NE QUADRANT AND 20 NM SE QUADRANT. SEAS 12 FT OR 
GREATER WITHIN 30 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE WITH 
SEAS TO 13 FT. ELSEWHERE WITHIN AREA BOUNDED BY 16N116W TO 
15N117W TO 17N117W TO 18N116W TO 17N115W TO 16N116W WINDS 20 TO 
33 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA BOUNDED BY 17N113W TO 
12N115W TO 14N120W TO 18N122W TO 20N117W TO 17N114W WINDS 20 KT 
OR LESS. SEAS 8 TO 9 FT IN MIXED NW AND S SWELL.
.24 HOUR FORECAST STORM POLO NEAR 17.0N 120.9W. MAXIMUM 
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS 
WITHIN 30 NM NW AND SE QUADRANTS...40 NM NE QUADRANT AND 0 NM SW 
QUADRANT. LITTLE CHANGE IN SEAS 12 FT OR GREATER. ELSEWHERE 
WITHIN AREA BOUNDED BY 17N120W TO 16N121W TO 17N121W TO 18N121W 
TO 17N120W WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA 
WITHIN 17N118W TO 17N123W TO 19N124W TO 21N121W TO 19N120W TO 
17N118W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NW AND S 
SWELL.
.36 HOUR FORECAST TROPICAL DEPRESSION POLO NEAR 17.1N 123.0W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN AREA BOUNDED 
BY 19N122W TO 18N121W TO 17N122W TO 18N122W TO 18N124W TO 
19N122W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE 
WITHIN 21N123W TO 18N119W TO 15N122W TO 16N125W TO 18N128W TO 
21N123W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW POLO NEAR 17.1N 
125.4W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN AREA 
BOUNDED BY 18N122W TO 15N127W TO 16N130W TO 19N131W TO 21N125W 
TO 18N122W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.
.60 HOUR FORECAST...REMNANT LOW DISSIPATED.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

...GALE WARNING...
.WITHIN AREA BOUNDED BY 12N94W TO 10N96W TO 11N97W TO 15N97W TO 
16N94W TO 12N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
20 TO 30 KT...EXCEPT 30 TO 40 KT N OF 14N BETWEEN 94W AND 96W.
SEAS 8 TO 12 FT...EXCEPT 12 TO 17 FT N OF 14N BETWEEN 94W AND 
96W. ELSEWHERE WITHIN 06N88W TO 04N93W TO 06N109W TO 09N103W TO 
16N95W TO 06N88W WINDS 20 KT OR LESS...EXCEPT N TO NE WINDS 20 
TO 30 KT N OF 10N BETWEEN 94W AND 96W. SEAS 8 TO 11 FT PRIMARILY 
IN NE SWELL...EXCEPT 10 TO 15 FT N OF 10N BETWEEN 94W AND 96W.
.06 HOUR FORECAST LITTLE CHANGE...EXCEPT WITHIN AREA BOUNDED BY 
14N99W TO 13N96W TO 13N97W TO 15N96W TO 16N94.5W TO 14N99W N TO 
NE WINDS 35 TO 45 KT. SEAS 8 TO 12 FT...EXCEPT 15 TO 22 FT IN 
NE SWELL FROM 13N TO 15N BETWEEN 96W AND 97W.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 10N96W TO 09N99W TO 
11N100W TO 16N96W TO 15N94W TO 10N96W...INCLUDING THE GULF OF 
TEHUANTEPEC...NE WINDS 30 TO 40 KT. SEAS 15 TO 21 FT IN NE 
SWELL. ELSEWHERE WITHIN 06N89W TO 04N93W TO 07N104W TO 15N99W TO 
16N94W TO 06N89W WINDS 20 KT OR LESS...EXCEPT NE WINDS 20 TO 30 
KT N OF 09 BETWEEN 94W AND 100W. SEAS 8 TO 12 FT PRIMARILY IN NE 
SWELL...EXCEPT 11 TO 17 FT N OF 09N BETWEEN 94W AND 100W.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 15N95W TO 14N95W TO 
14N96W TO 16N95W TO 16N94W TO 15N95W...INCLUDING THE GULF OF 
TEHUANTEPEC...NE WINDS 25 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE 
WITHIN 06N92W TO 01N98W TO 04N107W TO 11N107W TO 16N94W TO 
06N92W WINDS 20 KT OR LESS...EXCEPT NE TO E WINDS 20 TO 25 KT 
FROM 13N TO 14N BETWEEN 96W AND 100W. SEAS 8 TO 11 FT IN MIXED 
NE AND NW SWELL.

.SYNOPSIS AND FORECAST.

.WEAKENING COLD FRONT FROM 30N124W TO 28N127W THEN STATIONARY TO 
26N130W TO 22N140W. WITHIN AREA BOUNDED BY 30N124W TO 27N128W TO 
26N136W TO 23N140W TO 30N140W TO 30N124W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN NW SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 30N113W TO 
21N123W. WITHIN AREA BOUNDED BY 30N130W TO 30N124W TO 28N128W TO 
26N135W TO 30N135W TO 30N130W WINDS 20 KT OR LESS. SEAS 8 FT IN 
NW SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 30N120W TO 29N120W TO 
28N121W TO 29N123W TO 30N124W TO 30N120W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN DECAYING NW SWELL.

.48 HOUR FORECAST WITHIN AREA BOUNDED BY 30N140W TO 30N138W TO
29N139W TO 28N140W TO 30N140W TO 30N138W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN NW SWELL.

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

CONVECTION VALID AT 2115 UTC WED NOV 18...

.TROPICAL STORM POLO...SCATTERED MODERATE WITHIN 90 NM E 
QUADRANT AND WITHIN 30 NM OF 19N116W AND ALSO 14N115W.

.LOW PRES NEAR 14N91W 89W 1008 MB...SCATTERED MODERATE WITHIN 
90 NM S QUADRANT AND 60 NM SW QUADRANT.

.SCATTERED MODERATE ISOLATED STRONG WITHIN 30 NM OF LINE FROM 
11N98W TO 13N97W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM LOW PRES NEAR 14N91W 1008 MB TO 
10N95W TO 09N100W TO 09N107W. IT RESUMES AT 13N117W TO 10N126W 
AND TO 09N133W. ITCZ EXTENDS FROM 09N133W TO 08N140W. SCATTERED 
MODERATE WITHIN 30 NM S OF TROUGH BETWEEN 118W AND 121W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.