000
FZPN03 KNHC 202107
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MON FEB 20.
24 HOUR FORECAST VALID 1800 UTC TUE FEB 21.
48 HOUR FORECAST VALID 1800 UTC WED FEB 22.

.WARNINGS.

...GALE WARNING...
.30 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.
.36 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N WINDS 30 TO 35 KT. SEAS 8 TO 11 FT. 
ELSEWHERE N OF 14N BETWEEN 94W AND 96W N TO NE WINDS 20 TO 30 
KT. SEAS TO 8 FT.
.42 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15N95W TO 13.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N 
TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 45 NM 
EITHER SIDE OF LINE FROM 16N95W TO 15N95W TO 13N96W WINDS 20 KT 
OR LESS. SEAS 8 TO 9 FT IN N TO NE SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST. 

.COLD FRONT FROM 30N130W TO 23N140W. N OF 28N WITHIN 90 NM SE OF 
FRONT SW WINDS 20 TO 25 KT. SEAS 12 TO 14 FT IN MIXED SWELL. N 
OF 28N W OF FRONT W TO NW WINDS 20 TO 30 KT. SEAS 12 TO 19 FT IN 
NW SWELL...HIGHEST NW PART. ELSEWHERE NW OF LINE FROM 30N120W TO 
25N126W TO 24N135W TO 22N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 
FT IN MIXED SWELL.  
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 30N125W TO 26N130W 
THEN DISSIPATING STATIONARY TO 21N140W. N OF 23N BETWEEN 127W 
AND 136W WINDS 20 KT OR LESS. SEAS 12 TO 14 FT IN MIXED SWELL. W 
OF A LINE FROM 30N116W TO 25N115W TO 20N120W WINDS 20 KT OR 
LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST FROM 20N TO 23N W OF 138W NE WINDS 20 TO 25 
KT. SEAS 9 TO 10 FT. ELSEWHERE N OF 20N BETWEEN 118W AND 140W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.

.FROM 07N AND 27N BETWEEN 103W AND 132W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT MIXED SWELL.
.24 HOUR FORECAST FROM 08N TO 20N BETWEEN 102W AND 140W WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST FROM 05N TO 20N W OF 118W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN MIXED SWELL.

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

CONVECTION VALID AT 2100 UTC MON FEB 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 

ITCZ S OF EQUATOR. TROUGH FROM 04N90W TO 01N98W TO 03N106W. NO 
SIGNIFICANT CONVECTION. 

$$

.FORECASTER ERA. NATIONAL HURRICANE CENTER.