000
FZPN03 KNHC 210902
HSFEP2

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

...GALE WARNING...
.18 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 35 
KT. SEAS LESS THAN 8 FT. ELSEWHERE WITHIN 45 NM EITHER SIDE OF 
LINE FROM 16N95W TO 15N45W TO 14N96W WINDS 20 TO 30 KT. SEAS 
LESS THAN 8 FT.
.24 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 WITHIN 60 NM EITHER SIDE OF LINE 16N95W TO 14N95W TO 
13N95.5W N TO NE WINDS 20 TO 30 KT. SEAS TO 9 FT.
.30 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF LINE FROM 16N95W 
TO 14.5N95W TO 13N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO 
NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 
.48 HOUR FORECAST FROM 10N TO 12N BETWEEN 96W AND 98W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN MIXED NW AND NE SWELL.

.SYNOPSIS AND FORECAST. 

.DISSIPATING COLD FRONT FROM 30N126W TO 21N140W. W OF FRONT 
WINDS 20 KT OR LESS. SEAS 10 TO 17 FT. ELSEWHERE NW OF LINE 
30N117W TO 18N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
SWELL.  
.24 HOUR FORECAST COLD FRONT DISSIPATED. W OF A LINE FROM 
30N116W TO 23N115W TO 09N122W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT IN MIXED NW AND NE SWELL.
.48 HOUR FORECAST N OF 25W E OF 119W NW WINDS 20 TO 25 KT. SEAS 
9 TO 11 FT. ELSEWHERE W OF A LINE FROM 30N116W TO 24N112W TO 
08N124W...EXCEPT N OF 25N W OF 128W WINDS 20 KT OR LESS. SEAS 8 
TO 10 KT IN MIXED NW AND NE SWELL.  

.WITHIN AREA BOUNDED BY 17N129W TO 21N112W TO 16N101W TO 05N109W 
TO 07N131W TO 05N109W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN MIXED NW AND NE SWELL.
.24 HOUR FORECAST CONDITIONS MERGED ABOVE.

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

CONVECTION VALID AT 0900 UTC TUE FEB 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 

THERE IS NO ITCZ OVER THE FORECAST WATERS NORTH OF THE EQUATOR. 
NO SIGNIFICANT CONVECTION. 

$$

.FORECASTER AL. NATIONAL HURRICANE CENTER.