582  
FZPN28 KNHC 212108  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
208 PM PDT FRI AUG 21 2026  
 
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.  
 
PMZ101-220915-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
208 PM PDT FRI AUG 21 2026  
   
SYNOPSIS
 
HIGH PRESSURE WILL PERSIST OVER THE EASTERN GULF OF  
AMERICA AND NORTHWESTERN CARIBBEAN INTO EARLY NEXT WEEK, LEADING  
TO FRESH NE TO E GAP WINDS PULSING TO STRONG SPEEDS OVER THE  
PAPAGAYO REGION EACH EVENING AND NIGHT. MODERATE TO FRESH WINDS  
EXTENDING WELL DOWNWIND OF PAPAGAYO WILL IMPACT THE OUTER WATERS  
OFFSHORE OF EL SALVADOR AND GUATEMALA THROUGH AT LEAST EARLY NEXT  
WEEK. SOUTH OF THE MONSOON TROUGH, GENTLE TO LOCALLY MODERATE  
WINDS WILL PERSIST THIS WEEKEND INTO EARLY NEXT WEEK. MAINLY  
MODERATE SEAS WILL PREVAIL AWAY FROM THE GULF OF PAPAGAYO THROUGH  
THE NEXT SEVERAL DAYS.  
 

 
 
PMZ111-220915-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
208 PM PDT FRI AUG 21 2026  
   
TONIGHT
 
N WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
11 SECONDS.    
SAT
 
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 14 SECONDS.    
SAT NIGHT
 
NE TO E WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE NIGHT.    
SUN
 
NE TO E WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
13 SECONDS.    
SUN NIGHT
 
NE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
11 SECONDS.    
MON
 
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SE TO S  
SWELL. PERIOD 12 SECONDS.    
MON NIGHT
 
NE WINDS 10 KT. SEAS 4 TO 6 FT IN SE SWELL. PERIOD  
11 SECONDS.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 13 SECONDS.    
TUE NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
12 SECONDS.    
WED
 
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS.    
WED NIGHT
 
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.  
 

 
 
PMZ113-220915-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
208 PM PDT FRI AUG 21 2026  
   
TONIGHT
 
E TO SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD  
11 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
NIGHT.    
SAT
 
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
11 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
DAY.    
SAT NIGHT
 
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF  
PAPAGAYO, AND NE TO E 15 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT.  
PERIOD 10 SECONDS.    
SUN
 
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD  
12 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
DAY.    
SUN NIGHT
 
E WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. PERIOD  
10 SECONDS.    
MON
 
NE TO E WINDS 20 TO 25 KT. SEAS 6 TO 8 FT. PERIOD  
10 SECONDS.    
MON NIGHT
 
E TO SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD  
13 SECONDS.    
TUE
 
E TO SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD  
13 SECONDS.    
TUE NIGHT
 
SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD  
12 SECONDS.    
WED
 
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD 12 SECONDS.    
WED NIGHT
 
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD  
12 SECONDS.  
 

 
 
PMZ115-220915-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
208 PM PDT FRI AUG 21 2026  
   
TONIGHT
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING SW TO W 10 KT  
LATE. SEAS 3 TO 5 FT. PERIOD 11 SECONDS. SCATTERED  
SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.    
SAT
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,  
AND SW TO W 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 10 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.    
SAT NIGHT
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND SW TO W 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD  
10 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
NIGHT.    
SUN
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S SWELL.  
PERIOD 10 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE DAY.    
SUN NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
SWELL. PERIOD 10 SECONDS.    
MON
 
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 9 SECONDS.    
MON NIGHT
 
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
TUE
 
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
TUE NIGHT
 
SW TO W WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD  
12 SECONDS.    
WED
 
SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.    
WED NIGHT
 
SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.  
 

 
 
PMZ117-220915-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
208 PM PDT FRI AUG 21 2026  
   
TONIGHT
 
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
11 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
NIGHT.    
SAT
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.    
SAT NIGHT
 
GULF OF PANAMA, S TO SW WINDS 10 KT IN THE EVENING,  
BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE, S TO SW WINDS  
10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS. SCATTERED SHOWERS AND  
ISOLATED TSTMS THROUGH THE NIGHT.    
SUN
 
GULF OF PANAMA, 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  
13 SECONDS.    
SUN NIGHT
 
W TO NW WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD  
11 SECONDS.    
MON
 
SW TO W WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 13 SECONDS.    
MON NIGHT
 
SW TO W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD  
14 SECONDS.    
TUE
 
SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD 13 SECONDS.    
TUE NIGHT
 
SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
13 SECONDS.    
WED
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
WED NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.  
 

 
 
PMZ119-220915-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
208 PM PDT FRI AUG 21 2026  
   
TONIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 13 SECONDS.    
SAT
 
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
14 SECONDS.    
SAT NIGHT
 
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
SUN
 
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.    
SUN NIGHT
 
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
13 SECONDS.    
MON
 
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
13 SECONDS.    
MON NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
13 SECONDS.    
TUE
 
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
13 SECONDS.    
TUE NIGHT
 
S TO SW WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD  
13 SECONDS.    
WED
 
S TO SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD  
12 SECONDS.    
WED NIGHT
 
SW WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 12 SECONDS.  
 

 
 
PMZ121-220915-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
208 PM PDT FRI AUG 21 2026  
   
TONIGHT
 
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 10 SECONDS.    
SAT
 
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 13 SECONDS.    
SAT NIGHT
 
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN SE TO S  
SWELL. PERIOD 11 SECONDS.    
SUN
 
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 10 SECONDS.    
SUN NIGHT
 
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
MON
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
MON NIGHT
 
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
TUE
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.    
TUE NIGHT
 
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.    
WED
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
WED NIGHT
 
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.  
 

 
 
PMZ123-220915-  
OFFSHORE GALAPAGOS ISLANDS-  
208 PM PDT FRI AUG 21 2026  
   
TONIGHT
 
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN SE TO S SWELL.  
PERIOD 11 SECONDS.    
SAT
 
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
12 SECONDS.    
SAT NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SE TO  
S SWELL. PERIOD 12 SECONDS.    
SUN
 
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN SE TO S SWELL.  
PERIOD 14 SECONDS.    
SUN NIGHT
 
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.    
MON
 
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
13 SECONDS.    
MON NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.    
TUE
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
TUE NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.    
WED
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
WED NIGHT
 
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.  
 

 
 
FORECASTER GR  
 
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