000
FZPN03 KNHC 280928
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI OCT 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FRI OCT 28.
24 HOUR FORECAST VALID 0600 UTC SAT OCT 29.
48 HOUR FORECAST VALID 0600 UTC SUN OCT 30.

.WARNINGS.

...GALE WARNING...
.WITHIN 30 NM OF A LINE FROM 16N95W TO 14N95.5W TO
13N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO
35 KT. SEAS 11 TO 15 FT. ELSEWHERE WITHIN 60 NM OF A LINE FROM
16N95W TO 14N95.5W TO 12N97W N TO NE WINDS 20 TO 30 KT. SEAS 8
TO 11 FT.
.24 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 16N95W TO
14.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 25
TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 60 NM OF A LINE FROM
16N95W TO 14.5N95W TO 13N96W N TO NE WINDS 20 TO 30 KT. SEAS 8
TO 11 FT. REMAINDER OF AREA FROM 09N TO 13N BETWEEN 94W AND 101W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.36 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 14N95.5W
TO 12.5N97W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
20 TO 30 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 90 NM OF A LINE
FROM 16N95W TO 14N95.5W TO 12N98W WINDS 20 KT OR LESS. SEAS 8 TO
10 FT IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 60 NM OF LINE FROM 16N95W TO 14.5N95WTO
13N96.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 30 KT. SEAS 8 TO 12 FT.

.SYNOPSIS AND FORECAST.

.POST-TROPICAL CYCLONE SEYMOUR NEAR 22.4N 122.8W 1006 MB AT 0900
UTC OCT 28 MOVING N OR 010 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS
30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER WITHIN 120 NM E
SEMICIRCLE AND 60 NM W SEMICIRCLE WITH SEAS TO 15 FT. ELSEWHERE
WITHIN 150 NM E AND 90 NM W SEMICIRCLES WINDS 20 TO 30 KT. SEAS
8 TO 12 FT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW SEYMOUR NEAR
24.5N121.7W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WITHIN
120 NM N SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED
SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW SEYMOUR NEAR
27.5N121.0W. MAXIMUM SUSTAINED WINDS 15 KT GUSTS 25 KT. SEAS
LESS THAN 8 FT.
.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.

.COLD FRONT FROM 30N124W TO 26N126W TO 22N130W. EXCEPT AS NOTED
NEAR SEYMOUR...W OF LINE FROM 30N120W TO 23N117W TO 11N136W
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.24 HOUR FORECAST STATIONARY FRONT FROM 30N122W TO 27N125W. COLD
FRONT FROM 30N135W TO 28N140W. W OF A LINE FROM 30N135W TO
28N140W AND W OF A LINE FROM 23N140W TO 17N130W TO 12N135W WINDS
20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.48 HOUR FORECAST STATIONARY FRONT DISSIPATED. COLD FRONT FROM
30N129W TO 27N133W TO 25N140W. W OF FRONT WINDS 20 KT OR LESS.
SEAS 10 TO 16 FT IN NW SWELL...HIGHEST NW PART. ELSEWHERE W OF A
LINE FROM 30N123W TO 21N140W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN NW SWELL.

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

CONVECTION VALID AT 0830 UTC FRI OCT 28...

.POST-TROPICAL CYCLONE SEYMOUR...SCATTERED MODERATE WITHIN 180 NM
NE OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N78W TO 09N86W TO 08N101W TO LOW PRES 1010
MB NEAR 10N110W TO 10N119W...THEN RESUMES FROM 16N127W TO LOW
PRES 1010 MB NEAR 13N132W TO 10N138W. ITCZ FROM 10N138W TO
BEYOND 10N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM
EITHER SIDE OF A LINE FROM 15N130W TO 12N135W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.