000
FZPN03 KNHC 200930
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 UTC MON FEB 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MON FEB 20.
24 HOUR FORECAST VALID 0600 UTC TUE FEB 21.
48 HOUR FORECAST VALID 0600 UTC WED FEB 22.

.WARNINGS.

...GALE WARNING...
.42 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.48 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N WINDS 30 TO 35 KT. SEAS TO 9 FT. 
ELSEWHERE N OF 14N BETWEEN 94W AND 96W N TO NE WINDS 20 TO 30 KT 
SEAS 8 FT. 

.SYNOPSIS AND FORECAST. 

.COLD FRONT FROM 30N135W TO 27N140W. N OF 28N WITHIN 120 NM SE 
OF FRONT SW WINDS 20 TO 25 KT. SEAS 10 TO 13 FT IN NW SWELL. W 
OF FRONT W TO NW WINDS 20 TO 30 KT. SEAS 14 TO 16 FT IN NW 
SWELL. ELSEWHERE NW OF A LINE FROM 30N125W TO 24N140W WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.  
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 30N128W TO 23N134W 
THEN STATIONARY TO 21N140W. NW OF LINE FROM 30N117W TO 19N140W 
WINDS 20 KT OR LESS. SEAS 8 TO 17 FT IN NW SWELL...HIGHEST W OF 
FRONT. 
.48 HOUR FORECAST COLD FRONT DISSIPATED. W OF A LINE FROM 
30N116W TO 23N116W TO 09N123W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT IN NW SWELL...MIXED WITH NE SWELL S OF 20N. 

.FROM 18N TO 26N BETWEEN 110W AND 120W WINDS 20 KT OR LESS. SEAS 
12 TO 14 FT PRIMARILY IN NW SWELL. ELSEWHERE WITHIN AREA BOUNDED 
BY 30N126W TO 30N116W TO 20N106W TO 08N123W TO 13N137W TO 
20N137W TO 30N126W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT 
PRIMARILY IN NW SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 17N127W TO 23N112W TO 
15N101W TO 05N110W TO 07N127W TO 17N127W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT PRIMARILY IN NW SWELL. FROM 08N TO 16N W OF 127W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NW AND NE SWELL.  
.48 HOUR FORECAST CONDITIONS MERGED ABOVE.

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

CONVECTION VALID AT 0900 UTC MON FEB 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 
ITCZ FROM 09N115W TO BEYOND 02N140W. NO SIGNIFICANT CONVECTION. 

$$

.FORECASTER AL. NATIONAL HURRICANE CENTER.