935  
FZPN28 KNHC 100149  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
649 PM PDT TUE SEP 9 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.  
 
PMZ101-101400-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
649 PM PDT TUE SEP 9 2025  
   
SYNOPSIS  
MODERATE TO FRESH SE TO S WINDS AND MODERATE SEAS  
WILL OCCUR OVER THE WATERS OFFSHORE OF EL SALVADOR AND GUATEMALA  
THROUGH WED MORNING IN THE WAKE OF A TROPICAL WAVE MOVING  
WESTWARD OFFSHORE OF SOUTHERN MEXICO. ELSEWHERE, MODERATE TO  
LOCALLY FRESH SE TO SW WINDS AND MODERATE SEAS IN SW SWELL WILL  
OCCUR SOUTH OF THE MONSOON TROUGH THIS WEEK. MODERATE NE GAP  
WINDS WILL PULSE IN THE GULF OF PAPAGAYO ON THU. LOOKING AHEAD,  
A LONG-PERIOD SW SWELL WILL LEAD TO ROUGH SEAS OVER THE SOUTH  
AMERICA WATERS THIS WEEKEND.  
 
 
 
PMZ111-101400-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
649 PM PDT TUE SEP 9 2025  
   
TONIGHT  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS  
THROUGH THE NIGHT.    
WED  
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.  
PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS  
THROUGH THE DAY.    
WED NIGHT  
SW TO W WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS  
THROUGH THE NIGHT.    
THU  
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
14 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGH  
THE DAY.    
THU NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN SW  
SWELL. PERIOD 14 SECONDS.    
FRI  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN SW  
SWELL. PERIOD 15 SECONDS.    
FRI NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN SW  
SWELL. PERIOD 14 SECONDS.    
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 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 14 SECONDS.    
SUN  
E WINDS 10 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.  
 
 
 
PMZ113-101400-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
649 PM PDT TUE SEP 9 2025  
   
TONIGHT  
OFFSHORE GULF OF PAPAGAYO, VARIABLE WINDS LESS THAN  
5 KT, BECOMING N 10 KT LATE. ELSEWHERE, SW TO W WINDS  
10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD 17 SECONDS. SCATTERED  
SHOWERS AND ISOLATED THUNDERSTORMS THROUGH THE NIGHT.    
WED  
W TO NW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
16 SECONDS.    
WED NIGHT  
NW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
15 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGH  
THE NIGHT.    
THU  
OFFSHORE GULF OF PAPAGAYO, NE TO E WINDS 10 TO 15 KT.  
ELSEWHERE, N TO NE WINDS 10 KT IN THE MORNING, BECOMING VARIABLE  
WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW SWELL. PERIOD  
14 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGH  
THE DAY.    
THU NIGHT  
NW TO N WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
14 SECONDS.    
FRI  
NE TO E WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
15 SECONDS.    
FRI NIGHT  
SE WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
14 SECONDS.    
SAT  
SE WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
14 SECONDS.    
SAT NIGHT  
S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
14 SECONDS.    
SUN  
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
SUN NIGHT  
S WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 18 SECONDS.  
 
 
 
PMZ115-101400-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
649 PM PDT TUE SEP 9 2025  
   
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND W 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.    
WED  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,  
AND W 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
WED NIGHT  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND W 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO  
SW SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.    
THU  
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING W 10 KT IN THE AFTERNOON. ELSEWHERE, SW TO W WINDS  
10 TO 15 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD 14 SECONDS.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
THU NIGHT  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND SW TO W 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT IN  
S TO SW SWELL. PERIOD 12 SECONDS.    
FRI  
SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
13 SECONDS.    
FRI NIGHT  
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 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 SW SWELL.  
PERIOD 14 SECONDS.    
SUN  
SW WINDS 10 KT. 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.  
 
 
 
PMZ117-101400-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
649 PM PDT TUE SEP 9 2025  
   
TONIGHT  
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.  
PERIOD 17 SECONDS. ISOLATED SHOWERS AND THUNDERSTORMS.   
WED  
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT, BECOMING W  
TO NW 10 KT IN THE AFTERNOON. ELSEWHERE, SW TO W WINDS 10 TO  
15 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD 17 SECONDS. ISOLATED  
SHOWERS AND THUNDERSTORMS.    
WED NIGHT  
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW  
SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.    
THU  
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
15 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
THU NIGHT  
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
14 SECONDS.    
FRI  
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.    
FRI NIGHT  
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
15 SECONDS.    
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 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 TO W WINDS 10 KT. SEAS 6 TO 8 FT IN SW SWELL.  
PERIOD 17 SECONDS.  
 
 
 
PMZ119-101400-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
649 PM PDT TUE SEP 9 2025  
   
TONIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.    
WED  
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
WED NIGHT  
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  
14 SECONDS.    
FRI  
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 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  
S TO 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 9 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.  
 
 
 
PMZ121-101400-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
649 PM PDT TUE SEP 9 2025  
   
TONIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.    
WED  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. PERIOD 15 SECONDS.    
WED NIGHT  
S WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
14 SECONDS.    
THU  
S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
15 SECONDS.    
THU NIGHT  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 15 SECONDS.    
FRI  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD  
14 SECONDS.    
FRI NIGHT  
S TO SW 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.  
 
 
 
PMZ123-101400-  
OFFSHORE GALAPAGOS ISLANDS-  
649 PM PDT TUE SEP 9 2025  
   
TONIGHT  
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 15 SECONDS.    
WED  
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
14 SECONDS.    
WED NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 15 SECONDS.    
THU  
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
THU NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 12 SECONDS.    
FRI  
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 12 SECONDS.    
FRI NIGHT  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 12 SECONDS.    
SAT  
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 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 16 SECONDS.  
 
 
 
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