058  
FZPN03 KNHC 182031  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2230 UTC WED MAR 18 2026  
 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 WED MAR 18.  
24 HOUR FORECAST VALID 1800 UTC THU MAR 19.  
48 HOUR FORECAST VALID 1800 UTC FRI MAR 20.  
 
.WARNINGS.  
   
..GALE WARNING  
 
.WITHIN 16N94W TO 16N96W TO 15N97W TO 13N97W TO 13N96W TO 14N95W  
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20  
TO 30 KT. SEAS 2.5 TO 4.0 M. ELSEWHERE WITHIN 15N94W TO 14N97W  
TO 11N100W TO 10N100W TO 10N95W TO 11N94W TO 15N94W WINDS 20 KT  
OR LESS. SEAS 2.5 TO 3.5 M IN N TO NE SWELL.  
.12 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 13N96W TO  
14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS  
20 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 11N98W TO  
12N97W TO 13N98W TO 11N102W TO 09N102W TO 08N98W TO 11N98W WINDS  
20 KT OR LESS. SEAS TO 2.5 M IN NE SWELL.  
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO  
14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE  
WINDS 30 TO 35 KT. SEAS 3.0 TO 4.0 M. ELSEWHERE WITHIN 16N94W  
TO 16N96W TO 13N98W TO 12N98W TO 12N96W TO 13N95W TO 16N94W N TO  
NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.  
.48 HOUR FORECAST WITHIN 15N94W TO 16N95W TO 12N98W TO 11N98W TO  
11N96W TO 12N95W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC  
...N TO NE WINDS 20 TO 30 KT. SEAS 3.0 TO 4.0 M. ELSEWHERE  
WITHIN 13N93W TO 16N94W TO 16N96W TO 12N99W TO 10N99W TO 10N97W  
TO 13N93W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE  
SWELL.  
 
.SYNOPSIS AND FORECAST.  
 
.42 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 11N88W TO 10N88W TO  
10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E  
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.  
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
CONVECTION VALID AT 1900 UTC WED MAR 18...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
TROUGH FROM 07N77W TO 04N88W. ITCZ FROM 04N88W TO 03.4S110W TO  
03N125W TO BEYOND 03N140W. SCATTERED MODERATE FROM 02N TO 06N  
BETWEEN 98W AND 103W.  
 
 
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.  
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