972  
FZPN28 KNHC 090351  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
851 PM PDT MON SEP 8 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.  
 
PMZ101-091600-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
851 PM PDT MON SEP 8 2025  
   
SYNOPSIS
 
MODERATE TO LOCALLY FRESH SE WINDS ARE  
EXPECTED OVER THE WATERS OFFSHORE OF NICARAGUA THROUGH GUATEMALA  
EARLY THIS WEEK AS A TROPICAL WAVE MOVES WESTWARD THROUGH THE  
REGION. ELSEWHERE, MODERATE TO OCCASIONALLY FRESH SOUTHERLY  
WINDS WILL PREVAIL SOUTH OF THE MONSOON TROUGH THIS WEEK.  
MODERATE SEAS IN MIXED S AND SW SWELL ARE EXPECTED OVER THE  
REGIONAL WATERS INTO LATE THIS WEEK. THEN, ANOTHER AREA OF  
SOUTHERLY SWELL WILL BRING ROUGH SEAS TO THE WATERS SOUTH OF 02N  
THIS WEEKEND.  
 

 
 
PMZ111-091600-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
851 PM PDT MON SEP 8 2025  
   
TONIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. PERIOD  
17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
NIGHT.    
TUE
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE DAY.    
TUE NIGHT
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE NIGHT.    
WED
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE DAY.    
WED NIGHT
 
SW TO W WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 14 SECONDS.    
THU
 
SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
14 SECONDS.    
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 4 TO 6 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.  
 

 
 
PMZ113-091600-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
851 PM PDT MON SEP 8 2025  
   
TONIGHT
 
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.  
PERIOD 18 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE NIGHT.    
TUE
 
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
DAY.    
TUE NIGHT
 
VARIABLE WINDS LESS THAN 5 KT OFFSHORE GULF OF  
PAPAGAYO, AND SW TO W 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN SW  
SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS  
THROUGH THE NIGHT.    
WED
 
OFFSHORE GULF OF PAPAGAYO, NE WINDS 10 KT IN THE MORNING,  
BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE, W WINDS  
10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD 16 SECONDS. SCATTERED  
SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.    
WED NIGHT
 
NW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
14 SECONDS.    
THU
 
N WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
14 SECONDS.    
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
 
S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
14 SECONDS.    
SAT
 
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
14 SECONDS.    
SAT NIGHT
 
SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
14 SECONDS.  
 

 
 
PMZ115-091600-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
851 PM PDT MON SEP 8 2025  
   
TONIGHT
 
NEAR THE AZUERO PENINSULA, W TO NW WINDS 10 KT EARLY  
IN THE EVENING, BECOMING VARIABLE WINDS LESS THAN 5 KT.  
ELSEWHERE, SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE NIGHT.    
TUE
 
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING SW TO W 10 KT IN THE AFTERNOON. ELSEWHERE, SW WINDS  
10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD 17 SECONDS. SCATTERED  
SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.    
TUE NIGHT
 
W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE NIGHT.    
WED
 
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 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS  
THROUGH THE DAY.    
WED NIGHT
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND W 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT. PERIOD  
14 SECONDS.    
THU
 
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
12 SECONDS.    
THU NIGHT
 
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 12 SECONDS.    
FRI
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 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.  
 

 
 
PMZ117-091600-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
851 PM PDT MON SEP 8 2025  
   
TONIGHT
 
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND SW  
TO W 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 19 SECONDS.    
TUE
 
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT, BECOMING  
SW TO W 10 KT IN THE AFTERNOON. ELSEWHERE, SW TO W WINDS 10 KT.  
SEAS 4 TO 6 FT IN SW SWELL. PERIOD 19 SECONDS.    
TUE NIGHT
 
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW  
SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS  
THROUGH THE NIGHT.    
WED
 
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
DAY.    
WED NIGHT
 
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
15 SECONDS.    
THU
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.    
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 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 TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW  
SWELL. PERIOD 14 SECONDS.  
 

 
 
PMZ119-091600-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
851 PM PDT MON SEP 8 2025  
   
TONIGHT
 
SW WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
19 SECONDS.    
TUE
 
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS.    
TUE NIGHT
 
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  
14 SECONDS.    
THU NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
14 SECONDS.    
FRI
 
S TO SW 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 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.  
 

 
 
PMZ121-091600-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
851 PM PDT MON SEP 8 2025  
   
TONIGHT
 
S WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
17 SECONDS.    
TUE
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS.    
TUE NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S  
SWELL. PERIOD 16 SECONDS.    
WED
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
15 SECONDS.    
WED NIGHT
 
SE TO 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  
14 SECONDS.    
THU NIGHT
 
S WINDS 10 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 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.  
 

 
 
PMZ123-091600-  
OFFSHORE GALAPAGOS ISLANDS-  
851 PM PDT MON SEP 8 2025  
   
TONIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS.    
TUE
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 16 SECONDS.    
TUE NIGHT
 
SE TO S 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 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 12 SECONDS.    
THU
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD  
12 SECONDS.    
THU NIGHT
 
SE TO S WINDS 10 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
 
SE TO 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.  
 

 
 
FORECASTER DELGADO  
 
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