920  
FZPN03 KNHC 090931  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1030 UTC FRI FEB 9 2018  
 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 FRI FEB 9.  
24 HOUR FORECAST VALID 0600 UTC SAT FEB 10.  
48 HOUR FORECAST VALID 0600 UTC SUN FEB 11.  
 
.WARNINGS.  
   
..GALE WARNING
 
   
WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W TO 14N95.5W
 
 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT.  
SEAS 8 TO 13 FT. ELSEWHERE WITHIN 75 NM EITHER SIDE OF SAME LINE  
N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA  
BOUNDED BY 14N93W TO 08N97W TO 09N101W TO 14N99W TO 16N95W TO  
14N93W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND W  
SWELL.  
.09 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W  
TO 13.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS  
20 TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN AREA BOUNDED BY  
12N93W TO 10N95W TO 08N98W TO 10N101W TO 13N101W TO 16N94W TO  
12N93W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND W  
SWELL.  
.24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94.5W  
AND 95.5W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE  
WITHIN AREA BOUNDED BY 10N91W TO 07N93W TO 08N100W TO 11N101W TO  
12N98W TO 11N93W TO 10N91W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT  
IN MIXED NE AND W SWELL.  
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 8 FT.  
 
.SYNOPSIS AND FORECAST.  
 
.FROM 17N TO 24N W OF 137W WINDS 20 KT OR LESS. SEAS TO 8 FT IN  
MIXED NE AND SE SWELL.  
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 8 FT.  
.42 HOUR FORECAST FROM 25N TO 30N W OF 138W WINDS 20 KT OR LESS.  
SEAS 8 FT IN MIXED NE AND NW SWELL.  
.48 HOUR FORECAST LITTLE CHANGE.  
 
.WITHIN AREA BOUNDED BY 11N86W TO 09N87W TO 09N90W TO 12N89W TO  
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 30  
KT. SEAS 8 TO 10 FT.  
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 11N86W TO 09N87W TO  
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25  
KT. SEAS TO 8 FT.  
.48 HOUR FORECAST LITTLE CHANGE.  
 
.36 HOUR FORECAST GULF OF CALIFORNIA FROM 29.5N TO 30.5N W OF  
114W SW TO W WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.  
.48 HOUR FORECAST LITTLE CHANGE.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  
 
CONVECTION VALID AT 0900 UTC FRI FEB 9...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
TROUGH AXIS EXTENDS FROM 10N84W TO 06N89W. ITCZ AXIS EXTENDS  
FROM 06N89W TO 06N120W TO 09N140W. NO SIGNIFICANT CONVECTION.  
 

 
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.  
 
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