000
FZPN03 KNHC 180308
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT NOV 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT NOV 18.
24 HOUR FORECAST VALID 0000 UTC SUN NOV 19.
48 HOUR FORECAST VALID 0000 UTC MON NOV 20.

.WARNINGS.

...GALE WARNING...
.N OF 14.5N BETWEEN 94W AND 95.5W INLCUDING THE GULF OF 
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.15 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST N OF 14.5N BETWEEN 94W AND 95.5W INLCUDING THE 
GULF OF TEHUANTEPEC...N WINDS INCREASING 20 TO 30 KT. SEAS 
BUILDING TO 8 FT. 
.42 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 14N96W 
...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 35 KT. SEAS 
BUILDING 9 TO 11 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W 
TO 13N96W N TO NE WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 14N96W 
...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 40 KT. SEAS 
10 TO 13 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W TO 
15N95W TO 13N97W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 

.SYNOPSIS AND FORECAST.

.COMPLEX LOW PRES NEAR 28N128W AND 38N132W 1017 MB WITH 
DISSIPATING FRONT FROM LOW TO 25N130W TO 20N137W. N OF 29N 
BETWEEN 130W AND 135W WINDS 20 KT OR LESS. SEAS 8 FT IN NW 
SWELL. 
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST GULF OF CALIFORNIA N OF 30N NW WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.  
.30 HOUR FORECAST GULF OF CALIFORNIA FROM 26N TO 29N NW WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.36 HOUR FORECAST NW OF LINE 30N137W TO 27N140W S WINDS 20 TO 25 
KT. SEAS TO 9 FT.
.48 HOUR FORECAST W OF A LINE FROM 30N136W TO 23N140W S WINDS 20 
TO 25 KT. SEAS 8 TO 11 FT.  

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

CONVECTION VALID AT 0300 UTC SAT NOV 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N84W TO 10N92W TO 09N105W 
WHERE IT TRANSITIONS TO THE INTERTROPICAL CONVERGENCE ZONE...AND 
EXTENDS THROUGH 11N125W TO BEYOND 11N140W. SCATTERED MODERATE 
ISOLATED STRONG FROM 09N TO 11N W OF 137W. SCATTERED MODERATE IS 
NOTED FROM 11N TO 14N BETWEEN 123W AND 127W.

$$
.FORECASTER COBB. NATIONAL HURRICANE CENTER.