967  
FZPN28 KNHC 192009  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
109 PM PDT TUE AUG 19 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.  
 
PMZ101-200815-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
109 PM PDT TUE AUG 19 2025  
   
SYNOPSIS
 
LIGHT TO GENTLE WINDS WILL PREVAIL ACROSS THE WATERS  
NORTH OF 05N THROUGH THE WEEKEND, EXCEPT FOR MODERATE WINDS  
PULSING IN THE GULF OF PAPAGAYO AT NIGHT STARTING THURSDAY.  
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 THROUGH FRI, EXCEPT IN  
THE LEE OF THE GALAPAGOS ISLANDS WHERE SLIGHT SEAS ARE EXPECTED.  
ANOTHER ROUND OF LARGE SWELL WILL MOVE INTO THE WATERS OFF  
ECUADOR AND COLOMBIA BY LATE FRI.  
 

 
 
PMZ111-200815-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
109 PM PDT TUE AUG 19 2025  
   
TONIGHT
 
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, BECOMING SE TO S  
10 KT LATE. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.    
THU
 
N TO NE WINDS 10 KT, SHIFTING TO SE IN THE AFTERNOON.  
SEAS 3 TO 5 FT. PERIOD 14 SECONDS. SCATTERED SHOWERS AND  
ISOLATED TSTMS THROUGH THE DAY.    
THU NIGHT
 
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
FRI
 
E TO SE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
15 SECONDS.    
FRI NIGHT
 
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
14 SECONDS.    
SAT
 
E WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
14 SECONDS.    
SAT NIGHT
 
E TO SE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 17 SECONDS.    
SUN
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 18 SECONDS.    
SUN NIGHT
 
SE WINDS 10 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
19 SECONDS.  
 

 
 
PMZ113-200815-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
109 PM PDT TUE AUG 19 2025  
   
TONIGHT
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING S 10 KT LATE.  
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, NE TO E WINDS 10 KT 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 15 SECONDS.    
WED NIGHT
 
SW WINDS 10 KT, SHIFTING TO W TO NW LATE. SEAS 3 TO  
5 FT. PERIOD 14 SECONDS. SCATTERED SHOWERS  
AND ISOLATED TSTMS THROUGH THE NIGHT.    
THU
 
NE WINDS 10 KT, SHIFTING TO S IN THE AFTERNOON. SEAS  
3 TO 5 FT. PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED  
TSTMS THROUGH THE DAY.    
THU NIGHT
 
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
FRI
 
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
14 SECONDS.    
FRI NIGHT
 
S WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
15 SECONDS.    
SAT
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.    
SAT NIGHT
 
S WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
14 SECONDS.    
SUN
 
S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD  
15 SECONDS.    
SUN NIGHT
 
S TO SW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 19 SECONDS.  
 

 
 
PMZ115-200815-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
109 PM PDT TUE AUG 19 2025  
   
TONIGHT
 
W WINDS 10 KT. SEAS 3 TO 5 FT. 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 4 TO 6 FT IN S TO SW SWELL. PERIOD 15 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.    
WED NIGHT
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND SW TO W 10 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED  
TSTMS THROUGH THE NIGHT.    
THU
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,  
AND SW 10 KT ELSEWHERE. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
DAY.    
THU NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 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 TO W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S  
SWELL. PERIOD 13 SECONDS.    
SAT
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,  
AND SW 10 TO 15 KT ELSEWHERE. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
12 SECONDS.    
SAT NIGHT
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND SW 10 TO 15 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 12 SECONDS.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
SUN NIGHT
 
SW TO W WINDS 10 KT. SEAS 6 TO 9 FT IN S TO SW  
SWELL. PERIOD 18 SECONDS.  
 

 
 
PMZ117-200815-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
109 PM PDT TUE AUG 19 2025  
   
TONIGHT
 
W WINDS 10 TO 15 KT. SEAS 4 TO 6 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 WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS  
THROUGH THE NIGHT.    
THU
 
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT, BECOMING W  
10 KT IN THE AFTERNOON. ELSEWHERE, SW WINDS 10 TO 15 KT. SEAS  
6 TO 8 FT IN S TO SW SWELL. PERIOD 14 SECONDS. NUMEROUS SHOWERS  
AND SCATTERED TSTMS THROUGH THE DAY.    
THU NIGHT
 
SW TO W WINDS 10 KT GULF OF PANAMA, AND S TO SW  
15 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT. PERIOD 15 SECONDS.    
FRI
 
SW WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
FRI NIGHT
 
SW TO W WINDS 10 KT GULF OF PANAMA, AND SW 15 TO  
20 KT ELSEWHERE. SEAS 5 TO 7 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.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS.    
SUN NIGHT
 
SW TO W WINDS 10 KT. SEAS 7 TO 10 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.  
 

 
 
PMZ119-200815-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
109 PM PDT TUE AUG 19 2025  
   
TONIGHT
 
S TO SW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD  
15 SECONDS.    
WED
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
WED NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.    
THU
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 14 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
 
SW TO W WINDS 10 KT GULF OF GUAYAQUIL, AND S TO SW 15 TO  
20 KT ELSEWHERE. SEAS 6 TO 8 FT IN S TO SW SWELL. PERIOD  
15 SECONDS.    
FRI NIGHT
 
S TO SW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD  
14 SECONDS.    
SAT
 
W WINDS 10 KT GULF OF GUAYAQUIL, AND S TO SW 15 TO 20 KT  
ELSEWHERE. 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 15 SECONDS.    
SUN
 
S TO SW WINDS 10 TO 15 KT. SEAS 8 TO 12 FT IN S TO SW  
SWELL. PERIOD 18 SECONDS.    
SUN NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 9 TO 13 FT IN S TO  
SW SWELL. PERIOD 17 SECONDS.  
 

 
 
PMZ121-200815-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
109 PM PDT TUE AUG 19 2025  
   
TONIGHT
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
WED
 
S WINDS 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
14 SECONDS.    
WED NIGHT
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 14 SECONDS.    
THU
 
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
16 SECONDS.    
THU NIGHT
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 14 SECONDS.    
FRI
 
S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD 14 SECONDS.    
FRI NIGHT
 
S WINDS 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
14 SECONDS.    
SAT
 
S WINDS 15 KT. SEAS 6 TO 8 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.    
SUN
 
SE TO S WINDS 10 TO 15 KT. SEAS 9 TO 13 FT IN S TO SW  
SWELL. PERIOD 18 SECONDS.    
SUN NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 9 TO 13 FT IN S TO  
SW SWELL. PERIOD 16 SECONDS.  
 

 
 
PMZ123-200815-  
OFFSHORE GALAPAGOS ISLANDS-  
109 PM PDT TUE AUG 19 2025  
   
TONIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 14 SECONDS.    
WED
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 14 SECONDS.    
WED NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S  
SWELL. PERIOD 17 SECONDS.    
THU
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 16 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 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD  
12 SECONDS.    
FRI NIGHT
 
SE TO S WINDS 15 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 12 SECONDS.    
SAT
 
SE TO S WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN S SWELL.  
PERIOD 12 SECONDS.    
SAT NIGHT
 
SE TO S WINDS 15 KT. SEAS 7 TO 11 FT IN S SWELL.  
PERIOD 14 SECONDS.    
SUN
 
SE WINDS 15 KT. SEAS 9 TO 13 FT IN S SWELL. PERIOD  
14 SECONDS.    
SUN NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 9 TO 13 FT IN S SWELL.  
PERIOD 14 SECONDS.  
 

 
 
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