939  
FZPN28 KNHC 211541  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
841 AM PDT MON APR 21 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.  
 
PMZ101-220345-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
841 AM PDT MON APR 21 2025  
   
SYNOPSIS  
FRESH TO STRONG E WINDS AND MODERATE SEAS ARE  
EXPECTED TO PULSE IN THE GULF OF PAPAGAYO THROUGH TUE MORNING.  
AFTERWARD, MODERATE TO FRESH WINDS WILL PULSE THROUGH FRI.  
MODERATE WINDS FROM THIS GAP EVENT WILL EXTEND TO THE OFFSHORE  
WATERS OF EL SALVADOR AND GUATEMALA TODAY THROUGH THU. GENTLE TO  
LOCALLY MODERATE SOUTHERLY WINDS ARE FORECAST BETWEEN ECUADOR AND  
THE GALAPAGOS ISLANDS THROUGH FRI NIGHT. LOOKING AHEAD,  
SOUTHERLY SWELL WILL REACH THE SOUTHERN GALAPAGOS ISLANDS FRI  
NIGHT WITH SEAS TO 8 FT.  
 
 
 
PMZ111-220345-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
841 AM PDT MON APR 21 2025  
   
TODAY  
N WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
17 SECONDS.    
TONIGHT  
NW TO N WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE NIGHT.    
TUE  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE DAY.    
TUE NIGHT  
SE WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE NIGHT.    
WED  
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
16 SECONDS.    
WED NIGHT  
NE TO E WINDS 10 KT. SEAS 4 TO 6 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  
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
FRI  
NE TO E WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS.    
FRI NIGHT  
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS.  
 
 
 
PMZ113-220345-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
841 AM PDT MON APR 21 2025  
   
TODAY  
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF PAPAGAYO,  
AND N TO NE 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT. PERIOD  
16 SECONDS.    
TONIGHT  
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF PAPAGAYO,  
AND NE 15 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
TUE  
NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS.    
TUE NIGHT  
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS  
THROUGH THE NIGHT.    
WED  
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD  
15 SECONDS.    
WED NIGHT  
SE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.    
THU  
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF PAPAGAYO, AND  
E 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.    
THU NIGHT  
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 16 SECONDS.    
FRI  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 16 SECONDS.    
FRI NIGHT  
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 17 SECONDS.  
 
 
 
PMZ115-220345-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
841 AM PDT MON APR 21 2025  
   
TODAY  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND SW TO W 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD  
16 SECONDS. SCATTERED TSTMS THROUGH THE DAY.    
TONIGHT  
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS.   
TUE  
S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
DAY.    
TUE NIGHT  
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN  
5 KT, BECOMING N 10 KT LATE. ELSEWHERE, S TO SW WINDS  
10 TO 15 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD 17 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.    
WED  
VARIABLE WINDS LESS THAN 5 KT. 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 3 TO 5 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  
NE 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 16 SECONDS.    
FRI  
N 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.    
FRI NIGHT  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND SW TO W 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO  
SW SWELL. PERIOD 16 SECONDS.  
 
 
 
PMZ117-220345-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
841 AM PDT MON APR 21 2025  
   
TODAY  
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 16 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.    
TONIGHT  
W WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
16 SECONDS. SCATTERED TSTMS THROUGH THE NIGHT.    
TUE  
SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
DAY.    
TUE NIGHT  
SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
NIGHT.    
WED  
W TO NW 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. PERIOD  
15 SECONDS.    
THU  
NW TO N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
14 SECONDS.    
THU NIGHT  
NW TO N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
16 SECONDS.    
FRI  
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 16 SECONDS.    
FRI NIGHT  
NW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.  
 
 
 
PMZ119-220345-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
841 AM PDT MON APR 21 2025  
   
TODAY  
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 SW SWELL. PERIOD 16 SECONDS.    
TONIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW  
SWELL. PERIOD 17 SECONDS.    
TUE  
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING W 10 KT IN THE AFTERNOON. ELSEWHERE, S WINDS 10 TO  
15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD 17 SECONDS.    
TUE NIGHT  
VARIABLE WINDS LESS THAN 5 KT GULF OF GUAYAQUIL,  
AND S TO SW 10 KT ELSEWHERE. SEAS 5 TO 7 FT IN SW SWELL. PERIOD  
16 SECONDS.    
WED  
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
14 SECONDS.    
WED NIGHT  
VARIABLE WINDS LESS THAN 5 KT GULF OF GUAYAQUIL,  
AND S TO SW 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
15 SECONDS.    
THU  
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
16 SECONDS.    
THU NIGHT  
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS.    
FRI  
VARIABLE WINDS LESS THAN 5 KT GULF OF GUAYAQUIL, AND S  
10 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD  
16 SECONDS.    
FRI NIGHT  
S TO SW WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.  
 
 
 
PMZ121-220345-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
841 AM PDT MON APR 21 2025  
   
TODAY  
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS.    
TONIGHT  
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 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS.    
TUE NIGHT  
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 16 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.    
FRI  
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
FRI NIGHT  
SE TO S WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.  
 
 
 
PMZ123-220345-  
OFFSHORE GALAPAGOS ISLANDS-  
841 AM PDT MON APR 21 2025  
   
TODAY  
S WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD  
17 SECONDS.    
TONIGHT  
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  
16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
DAY.    
TUE NIGHT  
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE NIGHT.    
WED  
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD  
13 SECONDS.    
WED NIGHT  
SE WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD  
15 SECONDS.    
THU  
SE WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD  
15 SECONDS.    
THU NIGHT  
SE WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
FRI  
SE WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD  
16 SECONDS.    
FRI NIGHT  
SE TO S WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.  
 
 
 
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