000
FZPN03 KNHC 210902
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE NOV 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE NOV 21.
24 HOUR FORECAST VALID 0600 UTC WED NOV 22.
48 HOUR FORECAST VALID 0600 UTC THU NOV 23.

.WARNINGS.

...GULF OF TEHUANTEPEC GALE WARNING...

.WITHIN 30 NM OF LINE FROM 16N95W TO 14N95.5W...INCLUDING THE 
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 9 FT.
WITHIN 120 NJ OF LINE FROM 11.5N96W TO 09N102W WINDS 20 KT OR
LESS. SEAS TO 9 FT PRIMARILY IN MIXED NE AND S SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST N OF 14.5N BETWEEN 94W AND 96W N WINDS 25 TO 35
KT. SEAS TO 10 FT.
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 13.5N95.5W
N TO NE WINDS 30 TO 40 KT. SEAS 10 TO 15 FT. ELSEWHERE WITHIN 
75 NM OF LINE FROM 16N95W TO 14N95W TO 12.5N96W N TO NE WINDS 20
TO 30 KT. SEAS TO 11 FT.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 30N138W TO 25N140W. W OF LINE FROM 30N132W TO 
24N138W S WINDS 20 TO 30 KT. SEAS TO 11 FT. 
.24 HOUR FORECAST TROUGH DISSIPATED...COLD FRONT APPROACH. W OF 
LINE FROM 30N132W TO 26N136W SW WINDS 20 TO 25 KT. SEAS 8 TO 11 
FT. 
.48 HOUR FORECAST COLD FRONT FROM 30N138W TO 29N140W. W OF LINE 
FROM 30N132W TO 24N140W WINDS 20 KT OR LESS. SEAS 8 TO 15 FT 
PRIMARILY IN NW SWELL...HIGHEST SEAS AT 30N140W.

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

CONVECTION VALID AT 0900 UTC TUE NOV 21...

.TROUGH FROM 30N137W TO 24N140W...SCATTERED MODERATE ISOLATED
STRONG WITHIN 150 NM OF LINE FROM 30N136W TO 25N140W.  

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 06N98W. ITCZ FROM 06N98W TO 
11N140W.
TROUGH FROM 09N130W TO 15N128W. ISOLATED MODERATE TO STRONG
WITHIN 45 NM OF 06.5N78W AND WITHIN 180 NM OF LINE FROM
08N122W TO 12N130W TO 12N137W TO 08N139W.   

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.