000
FZPN03 KNHC 272118
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1800 UTC THU OCT 27.
24 HOUR FORECAST VALID 1800 UTC FRI OCT 28.
48 HOUR FORECAST VALID 1800 UTC SAT OCT 29.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM SEYMOUR NEAR 21.2N 123.1W 992 MB AT 2100 UTC OCT
27 MOVING NNW OR 345 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NW AND SE
QUADRANTS...60 NM NE QUADRANT AND 40 NM SW QUADRANT. SEAS 12 FT
OR GREATER WITHIN 150 NM NE...120 NM SE...90 NM SW AND 180 NM NW
QUADRANTS WITH SEAS TO 24 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 POST-TROPICAL REMNANT LOW SEYMOUR NEAR 24.0N
121.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 45 NM
OF CENTER WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW SEYMOUR NEAR 26.4N
120.3W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. 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 45 NM OF LINE FROM 16N95W TO 12N97W...INCLUDING THE GULF
OF TEHUANTEPEC... N TO NE WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 13N96W...
INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 25 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 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 13N96W...
INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 20 TO 30 KT.
SEAS 8 TO 12 FT. ELSEWHERE WITHIN 75 NM OF LINE FROM 16N95W TO
11N97.5W WINDS 20 KT OR LESS. SEAS TO 10 FT IN N TO NE SWELL.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM LOW PRES NEAR 30N130W 1012 MB TO 27N129W TO
18N140W. EXCEPT AS NOTED IN SEYMOUR WARNING...W OF LINE FROM
30N123W TO 23N116W TO 11N131W TO 17N140W WINDS 20 KT OR LESS.
SEAS 8 TO 11 FT IN MIXED SE AND NW SWELL.
.24 HOUR FORECAST LOW PRES N OF AREA. STATIONARY FRONT FROM
30N122W TO 19N129W TO 16N137W. COLD FRONT ENTERING AREA FROM
30N138W TO 29N140W. EXCEPT AS NOTED IN SEYMOUR WARNING...W OF
LINE FROM 30N119W TO 23N118W TO 10N140W WINDS 20 KT OR LESS.
SEAS TO 10 FT IN MIXED SE AND NW SWELL.
.48 HOUR FORECAST STATIONARY FRONT DISSIPATED. COLD FRONT FROM
30N130W TO 25N140W. W OF FRONT 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 2100 UTC THU OCT 27...

.TROPICAL STORM SEYMOUR...NUMEROUS MODERATE ISOLATED STRONG
WITHIN 150 NM NE OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N85W TO 08N101W TO 11N118W ...THEN RESUMES
FROM 15N130W TO 10N140W. NO SIGNIFICANT CONVECTION.

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.