712  
FZPN28 KNHC 181949  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1249 PM PDT MON AUG 18 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.  
 
PMZ101-190800-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
1249 PM PDT MON AUG 18 2025  
   
SYNOPSIS
 
LIGHT TO GENTLE WINDS WILL PREVAIL ACROSS THE WATERS  
NORTH OF 05N THROUGH THE WEEK WHILE GENTLE TO MODERATE WINDS ARE  
EXPECTED SOUTH OF 05N. CROSS- EQUATORIAL SOUTHERLY SWELL WILL  
PROPAGATE ACROSS THE REGIONAL WATERS, KEEPING SEAS IN THE  
MODERATE RANGE, EXCEPT IN THE LEE OF THE GALAPAGOS ISLANDS WHERE  
SLIGHT SEAS ARE EXPECTED.  
 

 
 
PMZ111-190800-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
1249 PM PDT MON AUG 18 2025  
   
TONIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO  
SW SWELL. PERIOD 16 SECONDS.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.    
TUE NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED  
TSTMS THROUGH THE NIGHT.    
WED
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
WED NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 14 SECONDS.    
THU
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
THU NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S  
TO SW SWELL. PERIOD 15 SECONDS.    
FRI
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 15 SECONDS.    
FRI NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
SWELL. PERIOD 14 SECONDS.    
SAT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 14 SECONDS.    
SAT NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S  
SWELL. PERIOD 17 SECONDS.  
 

 
 
PMZ113-190800-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
1249 PM PDT MON AUG 18 2025  
   
TONIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW  
SWELL. PERIOD 16 SECONDS.    
TUE
 
OFFSHORE GULF OF PAPAGAYO, NE TO E WINDS 10 KT IN THE  
MORNING. VARIABLE WINDS LESS THAN 5 KT IN THE AFTERNOON.  
ELSEWHERE, VARIABLE WINDS LESS THAN 5 KT IN THE MORNING. SEAS  
2 TO 4 FT. PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED  
TSTMS THROUGH THE DAY.    
TUE NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED  
TSTMS THROUGH THE NIGHT.    
WED
 
OFFSHORE GULF OF PAPAGAYO, VARIABLE WINDS LESS THAN 5 KT.  
VARIABLE WINDS LESS THAN 5 KT IN THE MORNING. ELSEWHERE, SW TO W  
WINDS 10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
WED NIGHT
 
W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.    
THU
 
N TO NE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.    
THU NIGHT
 
W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
FRI
 
NE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
15 SECONDS.    
FRI NIGHT
 
S WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
15 SECONDS.    
SAT
 
NE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
14 SECONDS.    
SAT NIGHT
 
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 14 SECONDS.  
 

 
 
PMZ115-190800-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
1249 PM PDT MON AUG 18 2025  
   
TONIGHT
 
SW TO W WINDS 10 KT IN THE EVENING, BECOMING VARIABLE  
WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT. PERIOD 16 SECONDS.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,  
AND SW 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 16 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.    
TUE NIGHT
 
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS  
THROUGH THE NIGHT.    
WED
 
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING SW TO W 10 KT IN THE AFTERNOON. ELSEWHERE, SW TO W  
WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD 15 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.    
WED NIGHT
 
SW TO W WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
THU
 
SW WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
14 SECONDS.    
THU NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 15 SECONDS.    
FRI
 
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
14 SECONDS.    
FRI NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 13 SECONDS.    
SAT
 
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
12 SECONDS.    
SAT NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 12 SECONDS.  
 

 
 
PMZ117-190800-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
1249 PM PDT MON AUG 18 2025  
   
TONIGHT
 
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND W  
10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 17 SECONDS.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND SW TO W  
10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
16 SECONDS.    
TUE NIGHT
 
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED  
TSTMS THROUGH THE NIGHT.    
WED
 
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE DAY.    
WED NIGHT
 
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.    
THU
 
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 13 SECONDS.    
THU NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
FRI
 
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
FRI NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
SAT
 
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
SAT NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.  
 

 
 
PMZ119-190800-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
1249 PM PDT MON AUG 18 2025  
   
TONIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. PERIOD  
16 SECONDS.    
TUE
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.    
TUE NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 15 SECONDS.    
WED
 
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
WED NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO  
SW SWELL. PERIOD 13 SECONDS.    
THU
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.    
THU NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 15 SECONDS.    
FRI
 
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
FRI NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.    
SAT
 
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 12 SECONDS.    
SAT NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.  
 

 
 
PMZ121-190800-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
1249 PM PDT MON AUG 18 2025  
   
TONIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 16 SECONDS.    
TUE
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
TUE NIGHT
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
WED
 
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
14 SECONDS.    
WED NIGHT
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 13 SECONDS.    
THU
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
14 SECONDS.    
THU NIGHT
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 14 SECONDS.    
FRI
 
S WINDS 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
14 SECONDS.    
FRI NIGHT
 
S WINDS 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
14 SECONDS.    
SAT
 
S WINDS 15 KT. SEAS 7 TO 10 FT IN S SWELL. PERIOD  
12 SECONDS.    
SAT NIGHT
 
S WINDS 15 KT. SEAS 7 TO 11 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.  
 

 
 
PMZ123-190800-  
OFFSHORE GALAPAGOS ISLANDS-  
1249 PM PDT MON AUG 18 2025  
   
TONIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 15 SECONDS.    
TUE
 
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 15 SECONDS.    
TUE NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S  
SWELL. PERIOD 14 SECONDS.    
WED
 
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 14 SECONDS.    
WED NIGHT
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 13 SECONDS.    
THU
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 14 SECONDS.    
THU NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S  
SWELL. PERIOD 13 SECONDS.    
FRI
 
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 12 SECONDS.    
FRI NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S  
SWELL. PERIOD 12 SECONDS.    
SAT
 
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S SWELL.  
PERIOD 11 SECONDS.    
SAT NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 8 TO 12 FT IN S  
SWELL. PERIOD 14 SECONDS.  
 

 
 
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