556  
FZPN28 KNHC 190331  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
831 PM 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.  
 
PMZ101-191545-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
831 PM PDT SAT APR 18 2026  
   
SYNOPSIS  
WINDS MAY PULSE TO FRESH SPEEDS IN THE GULF OF  
PAPAGAYO REGION LATE MON NIGHT INTO TUE MORNING. OTHERWISE,  
RATHER TRANQUIL CONDITIONS ARE EXPECTED TO HOLD OVER THE CENTRAL  
AMERICAN AND THE EQUATORIAL WATERS FOR THE NEXT FEW DAYS.  
 
 
 
PMZ111-191545-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
831 PM PDT SAT APR 18 2026  
   
TONIGHT  
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. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.    
MON  
E WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
15 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  
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
WED  
E WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
14 SECONDS.    
WED NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S  
TO SW SWELL. PERIOD 14 SECONDS.    
THU  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.    
THU NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 2 TO 4 FT.  
PERIOD 13 SECONDS.  
 
 
 
PMZ113-191545-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
831 PM PDT SAT APR 18 2026  
   
TONIGHT  
OFFSHORE GULF OF PAPAGAYO, S WINDS 10 KT EARLY IN THE  
EVENING, BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE, S TO  
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.    
SUN  
OFFSHORE GULF OF PAPAGAYO, NE WINDS 10 TO 15 KT IN THE  
MORNING, BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE, NE  
TO E WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS. SCATTERED  
SHOWERS THROUGH THE DAY.    
SUN NIGHT  
OFFSHORE GULF OF PAPAGAYO, NE WINDS 10 KT LATE.  
VARIABLE WINDS LESS THAN 5 KT IN THE EVENING.  
ELSEWHERE, VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.    
MON  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.    
MON NIGHT  
NE TO E WINDS 15 TO 20 KT OFFSHORE GULF OF  
PAPAGAYO, AND S 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD  
15 SECONDS.    
TUE  
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
16 SECONDS.    
TUE NIGHT  
E WINDS 10 TO 15 KT OFFSHORE GULF OF PAPAGAYO, AND  
VARIABLE LESS THAN 5 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
WED  
NE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
14 SECONDS.    
WED NIGHT  
S WINDS 10 KT OFFSHORE GULF OF PAPAGAYO, AND  
VARIABLE LESS THAN 5 KT ELSEWHERE. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.    
THU  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.    
THU NIGHT  
SW WINDS 10 KT OFFSHORE GULF OF PAPAGAYO, AND  
VARIABLE LESS THAN 5 KT ELSEWHERE. SEAS 2 TO 4 FT. PERIOD  
13 SECONDS.  
 
 
 
PMZ115-191545-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
831 PM PDT SAT APR 18 2026  
   
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND SW 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.    
SUN  
NW TO N WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.  
SCATTERED SHOWERS THROUGH THE DAY.    
SUN NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS THROUGH THE  
NIGHT.    
MON  
NE TO E WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS. SCATTERED SHOWERS THROUGH THE DAY.    
MON NIGHT  
NE TO E WINDS 10 KT NEAR THE AZUERO PENINSULA, AND  
VARIABLE LESS THAN 5 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.    
TUE  
E 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 4 TO 6 FT IN S  
TO SW SWELL. PERIOD 14 SECONDS.    
WED  
VARIABLE WINDS LESS THAN 5 KT. 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.    
THU  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.    
THU NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 2 TO 4 FT.  
PERIOD 13 SECONDS.  
 
 
 
PMZ117-191545-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
831 PM PDT SAT APR 18 2026  
   
TONIGHT  
GULF OF PANAMA, E WINDS 10 TO 15 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. SCATTERED SHOWERS  
THROUGH THE NIGHT.    
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. SCATTERED SHOWERS THROUGH THE DAY.   
SUN 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. SCATTERED SHOWERS THROUGH THE NIGHT.    
MON  
NE TO E WINDS 10 KT IN THE MORNING, BECOMING VARIABLE  
WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
16 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  
SW WINDS 10 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 13 SECONDS.    
THU  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.    
THU NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 2 TO 4 FT.  
PERIOD 12 SECONDS.  
 
 
 
PMZ119-191545-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
831 PM PDT SAT APR 18 2026  
   
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.    
SUN  
GULF OF GUAYAQUIL, W WINDS 10 KT IN THE AFTERNOON.  
VARIABLE WINDS LESS THAN 5 KT IN THE MORNING. ELSEWHERE,  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS. SCATTERED SHOWERS THROUGH THE DAY.    
SUN NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S  
TO SW SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS THROUGH THE  
NIGHT.    
MON  
GULF OF GUAYAQUIL, SW TO W WINDS 10 KT IN THE AFTERNOON.  
VARIABLE WINDS LESS THAN 5 KT IN THE MORNING. ELSEWHERE,  
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
MON NIGHT  
S 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 3 TO 5 FT. PERIOD  
13 SECONDS.    
THU  
S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
12 SECONDS.    
THU NIGHT  
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 12 SECONDS.  
 
 
 
PMZ121-191545-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
831 PM PDT SAT APR 18 2026  
   
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS THROUGH THE  
NIGHT.    
SUN  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS THROUGH THE DAY.    
SUN NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S  
TO SW SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS THROUGH THE  
NIGHT.    
MON  
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS THROUGH THE DAY.    
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  
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 13 SECONDS.    
THU  
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
THU NIGHT  
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.  
 
 
 
PMZ123-191545-  
OFFSHORE GALAPAGOS ISLANDS-  
831 PM PDT SAT APR 18 2026  
   
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS.    
SUN  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS THROUGH THE DAY.    
SUN NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S  
TO SW SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS THROUGH THE  
NIGHT.    
MON  
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS THROUGH THE DAY.    
MON NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 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  
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.    
THU  
SE TO S WINDS 10 KT ELSEWHERE, AND VARIABLE LESS THAN  
5 KT LEE OF GALAPAGOS ISLANDS. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.    
THU NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 11 SECONDS.  
 
 
 
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