412  
FZPN28 KNHC 162044  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
144 PM PDT SAT AUG 16 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.  
 
PMZ101-170845-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
144 PM PDT SAT AUG 16 2025  
   
SYNOPSIS
 
LIGHT TO GENTLE WESTERLY WINDS WILL CONTINUE ACROSS  
THE WATERS NORTH OF 05N THROUGH THE WEEKEND WHILE GENTLE TO  
MODERATE SOUTHERLY WINDS ARE EXPECTED SOUTH OF 05N. CROSS-  
EQUATORIAL SOUTHERLY SWELL WILL CONTINUE TO PROPAGATE ACROSS THE  
REGIONAL WATERS, KEEPING SEAS IN THE MODERATE RANGE, EXCEPT IN  
THE LEE OF THE GALAPAGOS ISLANDS WHERE SLIGHT SEAS ARE EXPECTED.  
 

 
 
PMZ111-170845-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
144 PM PDT SAT AUG 16 2025  
   
TONIGHT
 
SE WINDS 10 KT IN THE EVENING, BECOMING VARIABLE  
WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD  
14 SECONDS.    
SUN
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS  
THROUGH THE DAY.    
SUN NIGHT
 
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
18 SECONDS.    
MON
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 18 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS  
THROUGH THE DAY.    
MON NIGHT
 
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 16 SECONDS.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
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 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.  
 

 
 
PMZ113-170845-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
144 PM PDT SAT AUG 16 2025  
   
TONIGHT
 
W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.    
SUN
 
OFFSHORE GULF OF PAPAGAYO, NE WINDS 10 KT IN THE MORNING,  
BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE, W WINDS  
10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS. SCATTERED SHOWERS AND  
ISOLATED TSTMS THROUGH THE DAY.    
SUN NIGHT
 
VARIABLE WINDS LESS THAN 5 KT OFFSHORE GULF OF  
PAPAGAYO, AND SW TO W 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD  
18 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
NIGHT.    
MON
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW  
SWELL. PERIOD 18 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.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
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 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 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
THU NIGHT
 
E WINDS 10 KT OFFSHORE GULF OF PAPAGAYO, AND  
VARIABLE LESS THAN 5 KT ELSEWHERE. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 15 SECONDS.  
 

 
 
PMZ115-170845-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
144 PM PDT SAT AUG 16 2025  
   
TONIGHT
 
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 12 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS.    
SUN
 
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS.    
SUN NIGHT
 
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 18 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS.    
MON
 
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  
17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
DAY.    
MON 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  
SWELL. PERIOD 14 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 14 SECONDS.    
TUE NIGHT
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND SW 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD  
15 SECONDS.    
WED
 
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  
15 SECONDS.    
WED NIGHT
 
SW TO W WINDS 10 KT. SEAS 4 TO 6 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 5 TO 7 FT IN S SWELL. PERIOD  
13 SECONDS.    
THU NIGHT
 
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S  
SWELL. PERIOD 15 SECONDS.  
 

 
 
PMZ117-170845-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
144 PM PDT SAT AUG 16 2025  
   
TONIGHT
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
13 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
NIGHT.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 15 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.    
SUN NIGHT
 
SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE NIGHT.    
MON
 
SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
DAY.    
MON NIGHT
 
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND W  
10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
15 SECONDS.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND SW  
10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
15 SECONDS.    
TUE NIGHT
 
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND  
SW TO W 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT. PERIOD  
15 SECONDS.    
WED
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 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 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 13 SECONDS.    
THU NIGHT
 
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 15 SECONDS.  
 

 
 
PMZ119-170845-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
144 PM PDT SAT AUG 16 2025  
   
TONIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
15 SECONDS.    
SUN
 
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
SUN NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 15 SECONDS.    
MON
 
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING 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 15 SECONDS.    
TUE
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 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 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.  
 

 
 
PMZ121-170845-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
144 PM PDT SAT AUG 16 2025  
   
TONIGHT
 
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
15 SECONDS.    
SUN
 
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
SUN NIGHT
 
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. PERIOD  
16 SECONDS.    
MON NIGHT
 
SE TO S 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 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 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
13 SECONDS.    
WED NIGHT
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 13 SECONDS.    
THU
 
S WINDS 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
15 SECONDS.    
THU NIGHT
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 15 SECONDS.  
 

 
 
PMZ123-170845-  
OFFSHORE GALAPAGOS ISLANDS-  
144 PM PDT SAT AUG 16 2025  
   
TONIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
15 SECONDS.    
SUN
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 17 SECONDS.    
SUN NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S  
SWELL. PERIOD 16 SECONDS.    
MON
 
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 15 SECONDS.    
MON NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S  
SWELL. PERIOD 13 SECONDS.    
TUE
 
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 13 SECONDS.    
TUE NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S  
SWELL. PERIOD 13 SECONDS.    
WED
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 12 SECONDS.    
WED NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S  
SWELL. PERIOD 15 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 14 SECONDS.  
 

 
 
FORECASTER ERA  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TPC Page Main Text Page