243  
FZPN28 KNHC 111608  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
908 AM PDT THU SEP 11 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.  
 
PMZ101-120415-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
908 AM PDT THU SEP 11 2025  
   
SYNOPSIS
 
MODERATE NE TO E GAP WINDS WILL PULSE IN THE  
GULF OF PAPAGAYO THROUGH FRI. MODERATE TO FRESH S TO SW WINDS  
WILL PREVAIL SOUTH OF THE MONSOON TROUGH THROUGH THIS WEEKEND. 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.  
 

 
 
PMZ111-120415-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
908 AM PDT THU SEP 11 2025  
   
TODAY
 
NW TO N WINDS 10 KT EARLY 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 TSTMS THROUGH  
THE DAY.    
TONIGHT
 
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. SCATTERED SHOWERS AND  
ISOLATED TSTMS THROUGH THE DAY.    
FRI NIGHT
 
NE TO E WINDS 10 KT IN THE EVENING, BECOMING  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT. PERIOD  
15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
NIGHT.    
SAT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 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 17 SECONDS.    
MON NIGHT
 
SE WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.  
 

 
 
PMZ113-120415-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
908 AM PDT THU SEP 11 2025  
   
TODAY
 
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 TSTMS THROUGH THE  
DAY.    
TONIGHT
 
N TO NE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
NIGHT.    
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 3 TO 5 FT. PERIOD 15 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.    
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 TO SW 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN SW  
SWELL. PERIOD 14 SECONDS.    
SUN
 
S TO SW WINDS 10 KT. SEAS 4 TO 6 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 17 SECONDS.    
MON NIGHT
 
SW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.  
 

 
 
PMZ115-120415-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
908 AM PDT THU SEP 11 2025  
   
TODAY
 
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.    
TONIGHT
 
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
NIGHT.    
FRI
 
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING W 10 KT IN THE AFTERNOON. ELSEWHERE, SW WINDS 10 KT.  
SEAS 3 TO 5 FT. PERIOD 15 SECONDS. SCATTERED SHOWERS AND  
ISOLATED TSTMS THROUGH THE DAY.    
FRI NIGHT
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND SW 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO  
SW SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED  
TSTMS THROUGH THE NIGHT.    
SAT
 
SW TO W 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 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.    
SUN
 
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  
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 8 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.  
 

 
 
PMZ117-120415-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
908 AM PDT THU SEP 11 2025  
   
TODAY
 
SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
DAY.    
TONIGHT
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
14 SECONDS. SCATTERED TSTMS THROUGH THE NIGHT.    
FRI
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 15 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.    
FRI NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
15 SECONDS. SCATTERED TSTMS THROUGH THE NIGHT.    
SAT
 
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD  
14 SECONDS.    
SAT NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
14 SECONDS.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD  
16 SECONDS.    
SUN NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.  
PERIOD 18 SECONDS.    
MON
 
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS.    
MON NIGHT
 
W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.  
 

 
 
PMZ119-120415-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
908 AM PDT THU SEP 11 2025  
   
TODAY
 
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
14 SECONDS.    
TONIGHT
 
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 4 TO 6 FT. PERIOD 15 SECONDS.    
FRI NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
15 SECONDS.    
SAT
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 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 8 FT IN SW  
SWELL. PERIOD 16 SECONDS.    
MON
 
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.  
PERIOD 15 SECONDS.    
MON NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW  
SWELL. PERIOD 15 SECONDS.  
 

 
 
PMZ121-120415-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
908 AM PDT THU SEP 11 2025  
   
TODAY
 
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
15 SECONDS.    
TONIGHT
 
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 4 TO 6 FT. PERIOD 15 SECONDS.    
FRI NIGHT
 
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
15 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 8 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.    
MON
 
S WINDS 10 TO 15 KT. SEAS 6 TO 8 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.  
 

 
 
PMZ123-120415-  
OFFSHORE GALAPAGOS ISLANDS-  
908 AM PDT THU SEP 11 2025  
   
TODAY
 
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
TONIGHT
 
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
FRI
 
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
14 SECONDS.    
FRI NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
14 SECONDS.    
SAT
 
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
SAT NIGHT
 
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS.    
SUN
 
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW  
SWELL. PERIOD 17 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 14 SECONDS.  
 

 
 
FORECASTER ERA  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TPC Page Main Text Page