555  
FZPN28 KNHC 172001  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
101 PM PDT SUN AUG 17 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.  
 
PMZ101-180815-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
101 PM PDT SUN AUG 17 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.  
 

 
 
PMZ111-180815-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
101 PM PDT SUN AUG 17 2025  
   
TONIGHT
 
S TO SW WINDS 10 KT IN THE EVENING, BECOMING VARIABLE  
WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT. PERIOD 17 SECONDS.    
MON
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS.    
MON NIGHT
 
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. 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.    
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 14 SECONDS.    
THU
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 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 4 TO 6 FT IN S  
SWELL. PERIOD 14 SECONDS.  
 

 
 
PMZ113-180815-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
101 PM PDT SUN AUG 17 2025  
   
TONIGHT
 
VARIABLE WINDS LESS THAN 5 KT OFFSHORE GULF OF  
PAPAGAYO, AND W 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD  
17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
NIGHT.    
MON
 
NW TO N WINDS 10 KT IN THE MORNING, BECOMING VARIABLE  
WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW SWELL. PERIOD  
17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
DAY.    
MON NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW  
SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS  
THROUGH THE NIGHT.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. 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.    
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 14 SECONDS.    
THU
 
NE TO E 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 14 SECONDS.    
THU NIGHT
 
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
FRI
 
NE TO E WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
14 SECONDS.    
FRI NIGHT
 
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 14 SECONDS.  
 

 
 
PMZ115-180815-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
101 PM PDT SUN AUG 17 2025  
   
TONIGHT
 
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
NIGHT.    
MON
 
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 17 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.    
MON NIGHT
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND SW 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD  
16 SECONDS.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,  
AND S TO SW 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 16 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.    
TUE NIGHT
 
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 14 SECONDS.    
WED
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,  
AND SW 10 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD  
14 SECONDS.    
WED NIGHT
 
SW TO W WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
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.    
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 TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S  
SWELL. PERIOD 13 SECONDS.  
 

 
 
PMZ117-180815-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
101 PM PDT SUN AUG 17 2025  
   
TONIGHT
 
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.  
SCATTERED TSTMS THROUGH THE NIGHT.    
MON
 
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 17 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.    
MON NIGHT
 
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND  
SW TO W 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
17 SECONDS.    
TUE
 
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE,  
S WINDS 10 KT, SHIFTING TO W IN THE AFTERNOON. SEAS 4 TO 6 FT  
IN S TO SW SWELL. PERIOD 16 SECONDS.    
TUE NIGHT
 
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
WED
 
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
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 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 13 SECONDS.    
THU NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 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 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.  
 

 
 
PMZ119-180815-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
101 PM PDT SUN AUG 17 2025  
   
TONIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
MON
 
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING SW TO W 10 KT IN THE AFTERNOON. ELSEWHERE, S TO SW  
WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD  
16 SECONDS.    
MON NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO  
SW SWELL. 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 14 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 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.    
THU NIGHT
 
S TO SW WINDS 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 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
FRI NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.  
 

 
 
PMZ121-180815-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
101 PM PDT SUN AUG 17 2025  
   
TONIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 14 SECONDS.    
MON
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 16 SECONDS.    
MON NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. 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 14 SECONDS.    
WED
 
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
13 SECONDS.    
WED NIGHT
 
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 13 SECONDS.    
THU
 
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
14 SECONDS.    
THU NIGHT
 
S WINDS 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
14 SECONDS.    
FRI
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
14 SECONDS.    
FRI NIGHT
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 14 SECONDS.  
 

 
 
PMZ123-180815-  
OFFSHORE GALAPAGOS ISLANDS-  
101 PM PDT SUN AUG 17 2025  
   
TONIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 16 SECONDS.    
MON
 
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
16 SECONDS.    
MON NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 15 SECONDS.    
TUE
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 15 SECONDS.    
TUE NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S  
SWELL. PERIOD 12 SECONDS.    
WED
 
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 12 SECONDS.    
WED NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 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 5 TO 7 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.  
 

 
 
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