719  
FZPN28 KNHC 210919  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
219 AM PDT THU AUG 21 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.  
 
PMZ101-212130-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
219 AM PDT THU AUG 21 2025  
   
SYNOPSIS  
LIGHT TO GENTLE WINDS WILL PREVAIL ACROSS THE WATERS  
NORTH OF 05N THROUGH THE WEEKEND, EXCEPT FOR MODERATE TO FRESH  
WINDS PULSING IN THE GULF OF PAPAGAYO AT NIGHT STARTING TONIGHT.  
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, AND REACH THE OFFSHORE WATERS  
OF CENTRAL AMERICA BY SUN.  
 
 
 
PMZ111-212130-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
219 AM PDT THU AUG 21 2025  
   
TODAY  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.    
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO  
SW SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED  
TSTMS THROUGH THE NIGHT.    
FRI  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 16 SECONDS.    
FRI NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S  
SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS  
THROUGH THE NIGHT.    
SAT  
E TO SE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
14 SECONDS.    
SAT NIGHT  
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
17 SECONDS.    
SUN  
E TO SE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
19 SECONDS.    
SUN NIGHT  
E TO SE WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 19 SECONDS.    
MON  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
18 SECONDS.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 16 SECONDS.  
 
 
 
PMZ113-212130-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
219 AM PDT THU AUG 21 2025  
   
TODAY  
E WINDS 10 TO 15 KT IN GULF OF PAPAGAYO. ELSEWHERE N  
WINDS 10 TO 15 KT, SHIFTING TO S TO SW IN THE AFTERNOON. SEAS 4  
TO 6 FT. PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS  
THROUGH THE DAY.   
TONIGHT  
E WINDS 15 TO 20 KT IN GULF OF PAPAGAYO, DIMINISHING  
TO 10 TO 15 KT. ELSEWHERE S WINDS 10 TO 15 KT, SHIFTING TO W TO  
NW LATE. SEAS 4 TO 6 FT IN S SWELL. PERIOD 17 SECONDS. SCATTERED  
SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.    
FRI  
NE WINDS 10 KT, SHIFTING TO S IN THE AFTERNOON. SEAS  
3 TO 5 FT. PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED  
TSTMS THROUGH THE DAY.    
FRI NIGHT  
E WINDS 15 TO 20 KT IN GULF OF PAPAGAYO. ELSEWHERE  
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD 16  
SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.    
SAT  
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.    
SAT NIGHT  
E WINDS 15 TO 20 KT IN GULF OF PAPAGAYO. ELSEWHERE S  
WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD 12 SECONDS.   
SUN  
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
SUN NIGHT  
E WINDS 10 TO 15 KT IN GULF OF PAPAGAYO. ELSEWHERE S  
WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD 16 SECONDS.    
MON  
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
18 SECONDS.    
MON NIGHT  
E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 17 SECONDS.  
 
 
 
PMZ115-212130-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
219 AM PDT THU AUG 21 2025  
   
TODAY  
SW WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
DAY.    
TONIGHT  
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE NIGHT.    
FRI  
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
16 SECONDS. SCATTERED TSTMS THROUGH THE DAY.    
FRI NIGHT  
SW TO W WINDS 10 KT NEAR THE AZUERO PENINSULA, AND  
SW 15 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
15 SECONDS. SCATTERED TSTMS THROUGH THE NIGHT.    
SAT  
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW 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.    
SUN  
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 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.    
MON  
SW TO W WINDS 10 KT. SEAS 7 TO 10 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS.    
MON NIGHT  
W TO NW WINDS 10 KT. SEAS 7 TO 10 FT IN S SWELL.  
PERIOD 16 SECONDS.  
 
 
 
PMZ117-212130-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
219 AM PDT THU AUG 21 2025  
   
TODAY  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE DAY.    
TONIGHT  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS. SCATTERED TSTMS THROUGH THE NIGHT.    
FRI  
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE DAY.    
FRI NIGHT  
SW WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS  
THROUGH THE NIGHT.    
SAT  
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 13 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 8 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.    
MON  
SW WINDS 10 KT. SEAS 7 TO 10 FT IN S TO SW SWELL. PERIOD  
16 SECONDS.    
MON NIGHT  
W WINDS 10 KT. SEAS 7 TO 10 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.  
 
 
 
PMZ119-212130-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
219 AM PDT THU AUG 21 2025  
   
TODAY  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
TONIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS.    
FRI  
W WINDS 10 KT GULF OF GUAYAQUIL, AND S TO SW 15 TO 20 KT  
ELSEWHERE. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD 16 SECONDS.    
FRI NIGHT  
SW TO W WINDS 10 TO 15 KT GULF OF GUAYAQUIL, AND S  
TO SW 15 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
SAT  
S TO SW WINDS 15 TO 20 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.    
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 8 TO 12 FT IN S TO  
SW SWELL. PERIOD 17 SECONDS.    
MON  
S TO SW WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
MON NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.  
 
 
 
PMZ121-212130-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
219 AM PDT THU AUG 21 2025  
   
TODAY  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
16 SECONDS.    
TONIGHT  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 16 SECONDS.    
FRI  
S WINDS 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
15 SECONDS.    
FRI NIGHT  
S WINDS 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
14 SECONDS.    
SAT  
S WINDS 15 KT. SEAS 6 TO 9 FT IN S SWELL. PERIOD  
12 SECONDS.    
SAT NIGHT  
S WINDS 15 KT. SEAS 7 TO 11 FT IN S SWELL. PERIOD  
14 SECONDS.    
SUN  
SE TO S WINDS 10 TO 15 KT. SEAS 8 TO 12 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  
SWELL. PERIOD 16 SECONDS.    
MON  
SE TO S WINDS 10 KT. SEAS 7 TO 11 FT IN S SWELL. PERIOD  
14 SECONDS.    
MON NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S  
SWELL. PERIOD 14 SECONDS.  
 
 
 
PMZ123-212130-  
OFFSHORE GALAPAGOS ISLANDS-  
219 AM PDT THU AUG 21 2025  
   
TODAY  
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 16 SECONDS.    
TONIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 15 SECONDS.    
FRI  
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 14 SECONDS.    
FRI NIGHT  
SE TO S WINDS 15 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 14 SECONDS.    
SAT  
SE TO S WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN S SWELL.  
PERIOD 10 SECONDS.    
SAT NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN S  
SWELL. PERIOD 14 SECONDS.    
SUN  
SE WINDS 10 TO 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.    
MON  
SE WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN S SWELL. PERIOD  
13 SECONDS.    
MON NIGHT  
SE WINDS 10 KT. SEAS 7 TO 10 FT IN S SWELL. PERIOD  
13 SECONDS.  
 
 
 
FORECASTER CHRISTENSEN  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab TPC Page
Main Text Page