000
FZPN03 KNHC 271549
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU OCT 27 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC THU OCT 27.
24 HOUR FORECAST VALID 1200 UTC FRI OCT 28.
48 HOUR FORECAST VALID 1200 UTC SAT OCT 29.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE SEYMOUR NEAR 20.2N 122.7W 986 MB AT 1500 UTC OCT 27
MOVING NNW OR 335 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 70 KT
GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NW AND SE
QUADRANTS...70 NM NE QUADRANT AND 40 NM SW QUADRANT. SEAS 12 FT
OR GREATER WITHIN 120 NM S SEMICIRCLE...150 NM NE QUADRANT AND
180 NM NW QUADRANT WITH SEAS TO 27 FT. ELSEWHERE WITHIN 210 NM N
SEMICIRCLE AND 150 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12
FT.
.12 HOUR FORECAST TROPICAL STORM SEYMOUR NEAR 21.5N 122.7W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM NE QUADRANT...50 NM SE QUADRANT AND NW
QUADRANT AND 30 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120
NM NE QUADRANT...60 NM SE QUADRANT...75 NM SW QUADRANT AND 150 NM
NW QUADRANT WITH SEAS TO 22 FT. ELSEWHERE WITHIN 150 NM E
SEMICIRCLE...90 NM SW QUADRANT AND 180 NM NW QUADRANT WINDS 20 TO
33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM SEYMOUR NEAR 23.0N 122.0W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 30 NM NW AND SE QUADRANTS...40 NM NE QUADRANT AND 20
NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM NE SEMICIRCLE
WITH SEAS TO 14 FT. ELSEWHERE WITHIN 75 NM OF CENTER WINDS 20 TO
33 KT. SEAS 8 TO 12 FT.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW SEYMOUR NEAR 24.3N
120.9W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 60 NM NE
SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW SEYMOUR NEAR 25.6N
120.1W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 25 KT. WITHIN 60 NM NE
SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL.
.72 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.

...GALE WARNING...
.WITHIN AREA BOUNDED BY 15N94W TO 16N95W TO 14N97W TO 12N97W TO
12N95W TO 13N94W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...
N TO NE WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 15N94W TO 16N96W TO
15N96W TO 14N96W TO 14N95W TO 14N94W TO 15N94W...INCLUDING THE
GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 9 TO 13 FT.
ELSEWHERE WITHIN AREA BOUNDED BY 14N93W TO 16N94W TO 16N96W TO
11N99W TO 11N97W TO 11N94W TO 14N93W N TO NE WINDS 20 TO 30 KT.
SEAS 8 TO 11 FT.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 16N94W TO 16N95W TO
16N96W TO 14N96W TO 14N95W TO 15N94W TO 16N94W...INCLUDING THE
GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 9 TO 12 FT.
ELSEWHERE WITHIN AREA BOUNDED BY 15N93W TO 16N95W TO 16N97W TO
12N99W TO 11N95W TO 13N94W TO 15N93W N TO NE WINDS 20 TO 30 KT.
SEAS 8 TO 10 FT.

.SYNOPSIS AND FORECAST.

.STATIONARY FRONT FROM 30N123W TO LOW PRES NEAR 28N133W 1010 MB
THEN COLD FRONT TO 19N140W. EXCEPT AS NOTED IN HURRICANE
WARNING...WITHIN AREA BOUNDED BY 25N114W TO 30N124W TO 30N140W TO
19N140W TO 11N130W TO 18N117W TO 25N114W WINDS 20 KT OR LESS...
EXCEPT NW TO N 20 TO 25 KT WITHIN 90 NM NW SEMICIRCLE OF LOW. SEAS
8 TO 12 FT IN MIXED SE AND NW SWELL.
.24 HOUR FORECAST LOW PRES N OF AREA. COLD FRONT FROM 30N124W TO
24N128W TO 16N137W. EXCEPT AS NOTED IN HURRICANE WARNING...WITHIN
AREA BOUNDED BY 29N119W TO 29N140W TO 11N140W TO 12N133W TO
22N119W TO 29N119W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED
SE AND NW SWELL.
.48 HOUR FORECAST COLD FRONT DISSIPATED. TROUGH FROM 30N119W TO
26N125W TO 17N131W. EXCEPT AS NOTED IN HURRICANE WARNING...WITHIN
AREA BOUNDED BY 19N128W TO 19N134W TO 22N140W TO 11N140W TO
13N134W TO 19N128W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE
AND NW SWELL.

.36 HOUR FORECAST NEW COLD FRONT ENTERING AT 30N140W. WINDS 20 KT
OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST COLD FRONT FROM 30N134W TO 28N140W. WITHIN AREA
BOUNDED BY 30N134W TO 30N140W TO 29N140W TO 29N137W TO 30N134W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SE AND NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N133W TO 27N140W. WITHIN AREA
BOUNDED BY 30N131W TO 30N140W TO 27N140W TO 28N136W TO 30N131W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.

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

CONVECTION VALID AT 1500 UTC THU OCT 27...

.HURRICANE SEYMOUR...NUMEROUS MODERATE ISOLATED STRONG WITHIN 240
NM NE AND E QUADRANTS.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 08N78W TO 10N85W TO 07N96W TO LOW
PRES NEAR 09N107W TO 10N110W THEN RESUMES FROM LOW PRES NEAR
15.5N130W TO 11N140W. SCATTERED MODERATE ISOLATED STRONG FROM 12N
TO 14N BETWEEN 127W AND 129W. SCATTERED MODERATE WITHIN 90 NM NW
QUADRANT OF LOW NEAR 09N107W AND WITHIN 75 NM NE QUADRANT OF LOW
NEAR 15.5N130W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.