831  
FZPN28 KNHC 201507  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
807 AM PDT SUN APR 20 2025  
 
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.  
 
PMZ101-210315-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
807 AM PDT SUN APR 20 2025  
   
SYNOPSIS
 
FRESH TO STRONG E WINDS AND LOCALLY ROUGH SEAS  
ARE EXPECTED TO PULSE IN THE GULF OF PAPAGAYO THROUGH TUE  
MORNING, AND OCCASIONAL MODERATE TO FRESH WINDS ARE EXPECTED IN  
THE REGION THEREAFTER. MODERATE TO LOCALLY FRESH WINDS WILL  
EXTEND THROUGH THE FAR OFFSHORE WATERS OF EL SALVADOR AND  
GUATEMALA EARLY THIS WEEK. ELSEWHERE, WINDS WILL PULSE TO  
MODERATE SPEEDS IN THE GULF OF PANAMA THIS MORNING, DECREASING TO  
LIGHT TO GENTLE SPEEDS THROUGH MIDWEEK. LOOKING AHEAD, A LONG-  
PERIOD SOUTHERN HEMISPHERE SWELL WILL SUPPORT ROUGH SEAS IN THE  
WATERS OFFSHORE OF ECUADOR BY LATE WEEK.  
 

 
 
PMZ111-210315-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
807 AM PDT SUN APR 20 2025  
   
TODAY
 
N TO NE WINDS 10 KT, SHIFTING TO E IN THE AFTERNOON.  
SEAS 4 TO 6 FT IN SE TO S SWELL. PERIOD 14 SECONDS.    
TONIGHT
 
N WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.    
MON
 
N WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
17 SECONDS.    
MON NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S  
TO SW SWELL. PERIOD 16 SECONDS.    
TUE
 
NE TO E WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
TUE NIGHT
 
E WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
WED
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
WED NIGHT
 
E TO SE WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
THU
 
E WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
14 SECONDS.    
THU NIGHT
 
E TO SE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.  
 

 
 
PMZ113-210315-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
807 AM PDT SUN APR 20 2025  
   
TODAY
 
NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN SE TO S  
SWELL. PERIOD 14 SECONDS.    
TONIGHT
 
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF PAPAGAYO,  
AND NE 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT. PERIOD 15 SECONDS.   
MON
 
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF PAPAGAYO, AND  
NE 10 TO 15 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
MON NIGHT
 
OFFSHORE GULF OF PAPAGAYO, NE TO E WINDS 20 TO  
25 KT. ELSEWHERE, NE TO E WINDS 10 KT, SHIFTING TO NE 15 TO  
20 KT LATE. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD  
16 SECONDS.    
TUE
 
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD  
16 SECONDS.    
TUE NIGHT
 
SE WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
WED
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
WED NIGHT
 
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
THU
 
NE TO E WINDS 15 TO 20 KT OFFSHORE GULF OF PAPAGAYO, AND  
E 10 KT ELSEWHERE. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.    
THU NIGHT
 
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.  
 

 
 
PMZ115-210315-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
807 AM PDT SUN APR 20 2025  
   
TODAY
 
NEAR THE AZUERO PENINSULA, NE WINDS 10 KT EARLY IN THE  
MORNING, BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE,  
VARIABLE WINDS LESS THAN 5 KT, BECOMING SW 10 KT IN THE  
AFTERNOON. SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD 14 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.    
TONIGHT
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND W 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD  
16 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.    
MON
 
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN 5 KT.  
VARIABLE WINDS LESS THAN 5 KT IN THE MORNING. ELSEWHERE, SW  
WINDS 10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE DAY.    
MON NIGHT
 
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.    
TUE
 
S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
16 SECONDS.    
TUE NIGHT
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND S TO SW 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO  
SW SWELL. PERIOD 16 SECONDS.    
WED
 
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 15 SECONDS.    
WED NIGHT
 
NE 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 15 SECONDS.    
THU
 
NE TO E WINDS 10 TO 15 KT NEAR THE AZUERO PENINSULA, AND  
VARIABLE LESS THAN 5 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
THU NIGHT
 
N TO NE 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.  
 

 
 
PMZ117-210315-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
807 AM PDT SUN APR 20 2025  
   
TODAY
 
GULF OF PANAMA, N TO NE WINDS 10 TO 15 KT EARLY IN THE  
MORNING, BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE, SW  
WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS. SCATTERED  
TSTMS.    
TONIGHT
 
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING N TO NE 10 KT LATE. ELSEWHERE, SW WINDS  
10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS. SCATTERED TSTMS  
THROUGH THE NIGHT.    
MON
 
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND S TO SW  
10 KT ELSEWHERE. SEAS 4 TO 6 FT IN SW SWELL. PERIOD 16 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.    
MON NIGHT
 
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING NW TO N 10 KT LATE. ELSEWHERE, SW WINDS  
10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD 16 SECONDS. SCATTERED  
SHOWERS THROUGH THE NIGHT.    
TUE
 
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
16 SECONDS.    
TUE NIGHT
 
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.  
PERIOD 16 SECONDS.    
WED
 
W WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
16 SECONDS.    
WED 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 SW SWELL.  
PERIOD 15 SECONDS.    
THU
 
N TO NE WINDS 10 TO 15 KT GULF OF PANAMA, AND VARIABLE  
LESS THAN 5 KT ELSEWHERE. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
14 SECONDS.    
THU NIGHT
 
NW TO N WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.  
PERIOD 16 SECONDS.  
 

 
 
PMZ119-210315-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
807 AM PDT SUN APR 20 2025  
   
TODAY
 
VARIABLE WINDS LESS THAN 5 KT GULF OF GUAYAQUIL, AND S  
TO SW 10 TO 15 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.    
TONIGHT
 
S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
MON
 
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING W 10 KT IN THE AFTERNOON. ELSEWHERE, S TO SW WINDS  
10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD 16 SECONDS.    
MON NIGHT
 
S TO SW WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 17 SECONDS.    
TUE
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 16 SECONDS.    
TUE NIGHT
 
S TO SW WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 15 SECONDS.    
WED
 
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
14 SECONDS.    
WED NIGHT
 
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.  
PERIOD 15 SECONDS.    
THU
 
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
THU NIGHT
 
S TO SW WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS.  
 

 
 
PMZ121-210315-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
807 AM PDT SUN APR 20 2025  
   
TODAY
 
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
TONIGHT
 
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
MON
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS.    
MON NIGHT
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS.    
TUE
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
TUE NIGHT
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
WED
 
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
14 SECONDS.    
WED NIGHT
 
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
THU
 
SE WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD  
17 SECONDS.    
THU NIGHT
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS.  
 

 
 
PMZ123-210315-  
OFFSHORE GALAPAGOS ISLANDS-  
807 AM PDT SUN APR 20 2025  
   
TODAY
 
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
TONIGHT
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
MON
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD  
17 SECONDS.    
MON NIGHT
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 17 SECONDS.    
TUE
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD  
15 SECONDS.    
TUE NIGHT
 
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.  
PERIOD 14 SECONDS.    
WED
 
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
13 SECONDS.    
WED NIGHT
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 15 SECONDS.    
THU
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD  
15 SECONDS.    
THU NIGHT
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.  
 

 
 
FORECASTER DELGADO  
 
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