209  
FZPN28 KNHC 110341  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
841 PM PDT WED SEP 10 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.  
 
PMZ101-111545-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
841 PM PDT WED SEP 10 2025  
   
SYNOPSIS  
MODERATE TO OCCASIONALLY FRESH SE TO SW WINDS WILL  
OCCUR OVER THE GUATEMALA WATERS TONIGHT AS A TROPICAL WAVE AND  
ASSOCIATED LOW PRESSURE SYSTEM, EP95, LOCATED ALONG 97W MOVES  
WESTWARD. ELSEWHERE, MODERATE NE TO E GAP WINDS WILL PULSE IN THE  
GULF OF PAPAGAYO THU INTO FRI. MODERATE TO OCCASIONALLY FRESH SE  
TO SW WINDS WILL PREVAIL SOUTH OF THE MONSOON TROUGH THROUGH  
THIS WEEKEND. LOOKING AHEAD, A LONG-PERIOD SOUTHERN HEMISPHERE  
SWELL WILL MOVE THROUGH THE REGIONAL WATERS THIS WEEKEND, LEADING  
TO ROUGH SEAS OFFSHORE OF SOUTH AMERICA THIS WEEKEND, AND OVER  
THE CENTRAL AMERICA WATERS BY EARLY NEXT WEEK.  
 
 
 
PMZ111-111545-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
841 PM PDT WED SEP 10 2025  
   
TONIGHT  
W WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD  
15 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGH  
THE NIGHT.    
THU  
NW TO N WINDS 10 KT IN THE MORNING, BECOMING VARIABLE  
WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
14 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
THU NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW  
SWELL. PERIOD 15 SECONDS.    
FRI  
NE WINDS 10 KT, SHIFTING TO E TO SE IN THE AFTERNOON.  
SEAS 3 TO 5 FT. PERIOD 15 SECONDS.    
FRI NIGHT  
NE TO E WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
14 SECONDS.    
SAT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
SAT NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S  
TO SW SWELL. PERIOD 14 SECONDS.    
SUN  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.    
SUN NIGHT  
SE WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 18 SECONDS.    
MON  
SE TO S WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
MON NIGHT  
SE WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.  
 
 
 
PMZ113-111545-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
841 PM PDT WED SEP 10 2025  
   
TONIGHT  
NW TO N WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.  
PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
THU  
NE TO E WINDS 15 TO 20 KT OFFSHORE GULF OF PAPAGAYO, AND  
NE 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
14 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
THU NIGHT  
N TO NE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
15 SECONDS.    
FRI  
NE WINDS 10 TO 15 KT, SHIFTING TO SE IN THE AFTERNOON.  
SEAS 3 TO 5 FT. PERIOD 15 SECONDS.    
FRI NIGHT  
S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
14 SECONDS.    
SAT  
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
14 SECONDS.    
SAT NIGHT  
VARIABLE WINDS LESS THAN 5 KT OFFSHORE GULF OF  
PAPAGAYO, AND S 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN SW SWELL.  
PERIOD 14 SECONDS.    
SUN  
S TO SW WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
SUN NIGHT  
S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 18 SECONDS.    
MON  
S TO SW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
MON NIGHT  
SW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.  
 
 
 
PMZ115-111545-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
841 PM PDT WED SEP 10 2025  
   
TONIGHT  
NEAR THE AZUERO PENINSULA, W WINDS 10 KT, BECOMING  
VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE, W WINDS 10 TO 15 KT.  
SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD 15 SECONDS. SCATTERED  
SHOWERS AND ISOLATED THUNDERSTORMS.    
THU  
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
14 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
THU NIGHT  
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.   
FRI  
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING W 10 KT IN THE AFTERNOON. ELSEWHERE, SW WINDS 10 KT.  
SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD 15 SECONDS. SCATTERED  
SHOWERS AND ISOLATED THUNDERSTORMS.    
FRI 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 14 SECONDS.    
SAT  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
SAT NIGHT  
SW TO W WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
SUN  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,  
AND SW 10 KT ELSEWHERE. SEAS 6 TO 8 FT IN S TO SW SWELL. PERIOD  
16 SECONDS.    
SUN NIGHT  
SW TO W WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 18 SECONDS.    
MON  
SW WINDS 10 KT. SEAS 6 TO 9 FT IN S TO SW SWELL. PERIOD  
16 SECONDS.    
MON NIGHT  
W WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.  
 
 
 
PMZ117-111545-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
841 PM PDT WED SEP 10 2025  
   
TONIGHT  
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW  
SWELL. PERIOD 16 SECONDS. ISOLATED SHOWERS AND THUNDERSTORMS.   
THU  
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 15  
SECONDS. ISOLATED SHOWERS AND THUNDERSTORMS.   
THU NIGHT  
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 15  
SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
FRI  
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 15 SECONDS.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
FRI NIGHT  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 15 SECONDS.    
SAT  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD  
14 SECONDS.    
SAT NIGHT  
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW  
SWELL. PERIOD 14 SECONDS.    
SUN  
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL. PERIOD  
16 SECONDS.    
SUN NIGHT  
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.  
PERIOD 17 SECONDS.    
MON  
SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
MON NIGHT  
W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.  
 
 
 
PMZ119-111545-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
841 PM PDT WED SEP 10 2025  
   
TONIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
14 SECONDS.    
THU  
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
15 SECONDS.    
THU NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
15 SECONDS.    
FRI  
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING SW TO W 10 TO 15 KT IN THE AFTERNOON. ELSEWHERE, SW  
WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. PERIOD 15 SECONDS.    
FRI NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW  
SWELL. PERIOD 14 SECONDS.    
SAT  
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 13 SECONDS.    
SAT NIGHT  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 16 SECONDS.    
SUN  
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.  
PERIOD 18 SECONDS.    
SUN NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW  
SWELL. PERIOD 16 SECONDS.    
MON  
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW SWELL.  
PERIOD 15 SECONDS.    
MON NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW  
SWELL. PERIOD 15 SECONDS.  
 
 
 
PMZ121-111545-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
841 PM PDT WED SEP 10 2025  
   
TONIGHT  
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 14 SECONDS.    
THU  
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
15 SECONDS.    
THU NIGHT  
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW SWELL.  
PERIOD 15 SECONDS.    
FRI  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD  
15 SECONDS.    
FRI NIGHT  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 14 SECONDS.    
SAT  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
SAT NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO  
SW SWELL. PERIOD 16 SECONDS.    
SUN  
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS.    
SUN NIGHT  
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.    
MON  
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
MON NIGHT  
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.  
 
 
 
PMZ123-111545-  
OFFSHORE GALAPAGOS ISLANDS-  
841 PM PDT WED SEP 10 2025  
   
TONIGHT  
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
THU  
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
THU NIGHT  
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
FRI  
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
FRI NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 12 SECONDS.    
SAT  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
SAT NIGHT  
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.    
SUN  
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.    
SUN NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO  
SW SWELL. PERIOD 15 SECONDS.    
MON  
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
MON NIGHT  
S WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.  
 
 
 
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