000
FZPN03 KNHC 200202
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC FRI OCT 20 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI OCT 20.
24 HOUR FORECAST VALID 0000 UTC SAT OCT 21.
48 HOUR FORECAST VALID 0000 UTC SUN OCT 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W TO 14W96W 
...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 
KT. SEAS TO 8 FT. 
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 
TO 25 KT. SEAS TO 8 FT.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.S OF 03N W OF 135W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED S 
AND SE SWELL. S OF 00N AND W OF 95W WINDS 20 KT OR LESS. SEAS 8 
FT IN MIXED SE AND S SWELL.
.24 HOUR FORECAST S OF 00N E OF 100W WINDS 20 KT OR LESS. SEAS 8 
FT IN MIXED SE AND S SWELL.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.COLD FRONT NORTHWEST OF AREA. NW OF LINE FROM 30N137W TO 
29N140W WINDS 20 KT OR LESS. SEAS RAPIDLY BUILDING TO 8 TO 10 FT 
IN NW SWELL.
.06 HOUR FORECAST WEAKENING COLD FRONT FROM 30N134W TO 28N140W. 
NW OF COLD FRONT WINDS 20 KT OR LESS. SEAS RAPIDLY BUILDING TO 
12 TO 15 FT IN NW SWELL. ELSEWHERE NW OF A LINE FROM 30N131W TO 
25N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 30N120W TO 26N130W. 
N OF 27N E OF 118W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. N OF A 
LINE FROM 24N140W TO 30N120W WINDS 20 KT OR LESS. SEAS 12 TO 15 
FT IN NW SWELL. ELSEWHERE N OF LINE FROM 28N115W TO 14N140W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL. 
.48 HOUR FORECAST FRONT DISSIPATED. N OF 22N BETWEEN 115W AND 
127W SEAS 12 TO 14 FT IN NW SWELL. REMAINDER OF THE AREA NW OF 
LINE FROM 23N110W TO 20N110W TO 08N140W WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT IN NW SWELL. 

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

CONVECTION VALID AT 0430 UTC FRI OCT 20...

.TROPICAL WAVE N OF 04N NEAR 90W...SCATTERED MODERATE 
ISOLATED STRONG FROM 06N TO 08N BETWEEN 89W AND 92W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N82W TO 09N121W. ITCZ CONTINUES FROM 
09N121W TO BEYOND 10N140W. SCATTERED MODERATE WITHIN 60 NM OF 
TROUGH FROM 93W TO 98W. SCATTERED MODERATE ISOLATED STRONG 
WITHIN 60 NM OF ITCZ W OF 138W.

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.