932  
FZPN28 KNHC 151700  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1000 AM PDT MON SEP 15 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.  
 
PMZ101-160500-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
1000 AM PDT MON SEP 15 2025  
   
SYNOPSIS  
ROUGH SEAS WILL EXPAND NORTHWARD TODAY, IMPACTING  
THE COASTAL WATERS OFFSHORE OF COSTA RICA AND PANAMA TO 06.5N  
THROUGH TONIGHT, AND AS FAR NORTH AS 12N OFFSHORE OF THE  
REMAINDER OF CENTRAL AMERICA. SEAS WILL SLOWLY DIMINISH FROM  
SOUTH TO NORTH TUE THROUGH WED, THOUGH LOCALLY ROUGH SEAS MAY  
PERSIST OFFSHORE OF COLOMBIA THROUGH COSTA RICA INTO THU. LOOKING  
AHEAD, MODERATE TO FRESH NE GAP WINDS WILL PULSE IN THE GULF OF  
PAPAGAYO TONIGHT THROUGH MIDWEEK.  
 
 
 
PMZ111-160500-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
1000 AM PDT MON SEP 15 2025  
   
TODAY  
SE WINDS 10 KT IN THE AFTERNOON. SEAS 6 TO 9 FT IN S TO  
SW SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED  
TSTMS THROUGH THE DAY.    
TONIGHT  
SE TO S WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE NIGHT.    
TUE  
S TO SW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE DAY.    
TUE NIGHT  
W TO NW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS  
THROUGH THE NIGHT.    
WED  
W TO NW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
WED NIGHT  
SW TO W WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
THU  
S TO SW WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 13 SECONDS.    
THU NIGHT  
S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 13 SECONDS.    
FRI  
E WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
13 SECONDS.    
FRI NIGHT  
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 12 SECONDS.  
 
 
 
PMZ113-160500-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
1000 AM PDT MON SEP 15 2025  
   
TODAY  
NE TO E WINDS 10 TO 20 KT OFFSHORE GULF OF PAPAGAYO,  
AND W WINDS 10 KT ELSEWHERE. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH  
THE DAY.   
TONIGHT  
NE TO E WINDS 10 TO 20 KT OFFSHORE GULF OF PAPAGAYO,  
AND SW TO W WINDS 10 KT ELSEWHERE, SHIFTING TO NW TO N LATE.  
SEAS 6 TO 8 FT IN S TO SW SWELL. PERIOD 16 SECONDS. SCATTERED  
SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.    
TUE  
NE TO E WINDS 15 TO 20 KT OFFSHORE GULF OF PAPAGAYO, AND  
N 10 KT ELSEWHERE. SEAS 6 TO 8 FT IN S TO SW SWELL. PERIOD  
16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
DAY.    
TUE NIGHT  
NE TO E WINDS 15 TO 20 KT OFFSHORE GULF OF  
PAPAGAYO, AND N 10 TO 15 KT ELSEWHERE. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS  
THROUGH THE NIGHT.    
WED  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
WED NIGHT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
THU  
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.    
THU NIGHT  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.    
FRI  
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 12 SECONDS.    
FRI NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
12 SECONDS.  
 
 
 
PMZ115-160500-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
1000 AM PDT MON SEP 15 2025  
   
TODAY  
SW TO W WINDS 10 KT IN THE AFTERNOON. SEAS 6 TO 9 FT IN  
S TO SW SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED  
TSTMS THROUGH THE DAY.    
TONIGHT  
W WINDS 10 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.  
PERIOD 16 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 TO W  
WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL. PERIOD  
16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
DAY.    
TUE NIGHT  
SW TO W WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO  
SW SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED  
TSTMS THROUGH THE NIGHT.    
WED  
SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
WED NIGHT  
SW TO W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.    
THU  
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
THU NIGHT  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.    
FRI  
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 13 SECONDS.    
FRI NIGHT  
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.  
 
 
 
PMZ117-160500-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
1000 AM PDT MON SEP 15 2025  
   
TODAY  
SW TO W WINDS 10 TO 15 KT IN THE AFTERNOON. SEAS 6 TO  
9 FT IN SW SWELL. PERIOD 18 SECONDS. SCATTERED SHOWERS AND  
ISOLATED TSTMS THROUGH THE DAY.    
TONIGHT  
SW TO W WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW  
SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS  
THROUGH THE NIGHT.    
TUE  
SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW SWELL. PERIOD  
16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
DAY.    
TUE NIGHT  
SW WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN SW SWELL.  
PERIOD 15 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS THROUGH  
THE NIGHT.    
WED  
SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW SWELL. PERIOD  
14 SECONDS.    
WED NIGHT  
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.  
PERIOD 14 SECONDS.    
THU  
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL. PERIOD  
13 SECONDS.    
THU NIGHT  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 13 SECONDS.    
FRI  
SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
12 SECONDS.    
FRI NIGHT  
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.  
 
 
 
PMZ119-160500-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
1000 AM PDT MON SEP 15 2025  
   
TODAY  
S TO SW WINDS 10 TO 15 KT IN THE AFTERNOON. SEAS 6 TO  
9 FT IN SW SWELL. PERIOD 16 SECONDS.   
TONIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW  
SWELL. PERIOD 16 SECONDS.    
TUE  
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW SWELL.  
PERIOD 15 SECONDS.    
TUE NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO  
SW SWELL. PERIOD 15 SECONDS.    
WED  
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
WED NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 13 SECONDS.    
THU  
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.    
THU NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
12 SECONDS.    
FRI  
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
FRI NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
11 SECONDS.  
 
 
 
PMZ121-160500-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
1000 AM PDT MON SEP 15 2025  
   
TODAY  
S WINDS 10 TO 15 KT IN THE AFTERNOON. SEAS 6 TO 9 FT IN  
S TO SW SWELL. PERIOD 16 SECONDS.    
TONIGHT  
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
TUE  
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
TUE NIGHT  
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
WED  
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
WED NIGHT  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.    
THU  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 12 SECONDS.    
THU NIGHT  
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
12 SECONDS.    
FRI  
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
FRI NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.  
 
 
 
PMZ123-160500-  
OFFSHORE GALAPAGOS ISLANDS-  
1000 AM PDT MON SEP 15 2025  
   
TODAY  
SE TO S WINDS 10 KT IN THE AFTERNOON. SEAS 6 TO 9 FT IN  
S TO SW SWELL. PERIOD 16 SECONDS.    
TONIGHT  
S WINDS 10 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
TUE  
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
TUE NIGHT  
S WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
WED  
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
WED NIGHT  
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. PERIOD  
13 SECONDS.    
THU NIGHT  
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
FRI  
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
FRI NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
13 SECONDS.  
 
 
 
FORECASTER ADAMS  
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