442  
FZPN28 KNHC 181527  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
827 AM PDT SAT APR 18 2026  
 
OFFSHORE WATERS FORECAST FOR THE E PACIFIC WITHIN 250 NM OF  
CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
 
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.  
 
PMZ101-190330-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
827 AM PDT SAT APR 18 2026  
   
SYNOPSIS  
WINDS WILL PULSE TO FRESH SPEEDS ACROSS THE GULF OF  
PAPAGAYO INTO EARLY THIS AFTERNOON. OTHERWISE, RATHER TRANQUIL  
CONDITIONS ARE EXPECTED TO REMAIN OVER THE CENTRAL AMERICAN AND  
THE EQUATORIAL WATERS THROUGH EARLY NEXT WEEK.  
 
 
 
PMZ111-190330-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
827 AM PDT SAT APR 18 2026  
   
TODAY  
N TO NE WINDS 10 KT, SHIFTING TO E TO SE IN THE  
AFTERNOON. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.    
TONIGHT  
SE TO S WINDS 10 KT IN THE EVENING, BECOMING VARIABLE  
WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD  
16 SECONDS.    
SUN  
VARIABLE WINDS LESS THAN 5 KT, BECOMING NE TO E 10 KT IN  
THE AFTERNOON. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.    
SUN NIGHT  
E WINDS 10 KT IN THE EVENING, BECOMING VARIABLE  
WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD  
14 SECONDS.    
MON  
E WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
14 SECONDS.    
MON NIGHT  
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
TUE  
E TO SE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
TUE NIGHT  
S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
WED  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
WED NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 14 SECONDS.  
 
 
 
PMZ113-190330-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
827 AM PDT SAT APR 18 2026  
   
TODAY  
OFFSHORE GULF OF PAPAGAYO, NE TO E WINDS 20 KT,  
BECOMING E 10 KT IN THE AFTERNOON. ELSEWHERE, NE TO E WINDS  
10 TO 15 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD 14 SECONDS.   
TONIGHT  
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
SUN  
E WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
14 SECONDS.    
SUN NIGHT  
OFFSHORE GULF OF PAPAGAYO, W WINDS 10 KT, SHIFTING  
TO NW TO N LATE. ELSEWHERE, S TO SW WINDS 10 KT IN THE EVENING,  
BECOMING VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
MON  
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 14  
SECONDS.    
MON NIGHT  
S WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.   
TUE  
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
16 SECONDS.    
TUE NIGHT  
SW WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.   
WED  
N WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.   
WED NIGHT  
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL.  
PERIOD 13 SECONDS.  
 
 
 
PMZ115-190330-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
827 AM PDT SAT APR 18 2026  
   
TODAY  
SE WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD  
16 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS S OF 08N  
W OF 85W.   
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND S TO SW 10 KT ELSEWHERE. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS W PART.   
SUN  
N WINDS 10 KT, SHIFTING TO W TO NW IN THE AFTERNOON. SEAS  
4 TO 6 FT IN S TO SW SWELL. PERIOD 14 SECONDS. ISOLATED SHOWERS.   
SUN NIGHT  
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN  
5 KT. ELSEWHERE, W WINDS 10 KT, SHIFTING TO NW TO N LATE. SEAS  
3 TO 5 FT IN S TO SW SWELL. PERIOD 14 SECONDS. ISOLATED SHOWERS.    
MON  
NE WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD  
15 SECONDS.   
MON NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 16 SECONDS.    
TUE  
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
15 SECONDS.    
TUE NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 14 SECONDS.    
WED  
W WINDS 10 KT NEAR THE AZUERO PENINSULA, AND VARIABLE  
LESS THAN 5 KT ELSEWHERE. SEAS 3 TO 5 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
WED NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 13 SECONDS.  
 
 
 
PMZ117-190330-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
827 AM PDT SAT APR 18 2026  
   
TODAY  
GULF OF PANAMA, NE WINDS 10 TO 15 KT. ELSEWHERE,  
VARIABLE WINDS LESS THAN 5 KT, BECOMING W TO NW 10 KT IN THE  
AFTERNOON. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD 15 SECONDS.  
ISOLATED SHOWERS.   
TONIGHT  
GULF OF PANAMA, E TO SE WINDS 10 KT, SHIFTING TO N  
LATE. ELSEWHERE, VARIABLE WINDS LESS THAN 5 KT. SEAS  
4 TO 6 FT IN S TO SW SWELL. PERIOD 15 SECONDS. ISOLATED SHOWERS.   
SUN  
GULF OF PANAMA, N TO NE WINDS 10 KT. ELSEWHERE, VARIABLE  
WINDS LESS THAN 5 KT, BECOMING NW 10 KT IN THE AFTERNOON. SEAS  
3 TO 5 FT. PERIOD 14 SECONDS. ISOLATED SHOWERS.   
SUN NIGHT  
N WINDS 10 TO 15 KT GULF OF PANAMA, AND VARIABLE  
LESS THAN 5 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS. ISOLATED SHOWERS.   
MON  
N TO NE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.   
MON NIGHT  
N TO NE WINDS 10 TO 15 KT GULF OF PANAMA, AND  
VARIABLE LESS THAN 5 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
TUE  
N TO NE WINDS 10 TO 15 KT GULF OF PANAMA, AND VARIABLE  
LESS THAN 5 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
TUE NIGHT  
N TO NE WINDS 10 KT GULF OF PANAMA, AND VARIABLE  
LESS THAN 5 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
WED  
N WINDS 10 KT GULF OF PANAMA, AND VARIABLE LESS THAN 5 KT  
ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.    
WED NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 13 SECONDS.  
 
 
 
PMZ119-190330-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
827 AM PDT SAT APR 18 2026  
   
TODAY  
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING W 10 KT IN THE AFTERNOON. ELSEWHERE, S WINDS 10 KT.  
SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD 14 SECONDS.    
TONIGHT  
GULF OF GUAYAQUIL, SW WINDS 10 KT IN THE EVENING,  
BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE, VARIABLE  
WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
14 SECONDS.    
SUN  
VARIABLE WINDS LESS THAN 5 KT, BECOMING SW TO W 10 KT IN  
THE AFTERNOON. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
14 SECONDS.    
SUN NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S  
TO SW SWELL. PERIOD 16 SECONDS.    
MON  
S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD  
15 SECONDS.    
MON NIGHT  
S TO SW WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
TUE  
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
TUE NIGHT  
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
WED  
S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
13 SECONDS.    
WED NIGHT  
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.  
 
 
 
PMZ121-190330-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
827 AM PDT SAT APR 18 2026  
   
TODAY  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS AND THUNDERSTORMS  
S OF 03S.   
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.   
SUN  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.   
SUN NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S  
TO SW SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.   
MON  
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
MON NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S  
TO SW SWELL. PERIOD 14 SECONDS.    
TUE  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
TUE NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S  
TO SW SWELL. PERIOD 13 SECONDS.    
WED  
E TO SE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 13 SECONDS.    
WED NIGHT  
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
13 SECONDS.  
 
 
 
PMZ123-190330-  
OFFSHORE GALAPAGOS ISLANDS-  
827 AM PDT SAT APR 18 2026  
   
TODAY  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS AND THUNDERSTORMS  
NW PART.   
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS MAINLY N PART.    
SUN  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS MAINLY N PART.    
SUN NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S  
TO SW SWELL. PERIOD 17 SECONDS. ISOLATED SHOWERS.   
MON  
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
MON NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S  
TO SW SWELL. PERIOD 14 SECONDS.    
TUE  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
TUE NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 13 SECONDS.    
WED  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.    
WED NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 12 SECONDS.  
 
 
 
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