344  
FZPN28 KNHC 281612  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
912 AM PDT TUE OCT 28 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.  
 
PMZ101-290415-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
912 AM PDT TUE OCT 28 2025  
   
SYNOPSIS  
THE ENHANCED ONSHORE WESTERLY WIND FLOW IN RESPONSE  
TO THE BROAD CYCLONIC CIRCULATION OF HURRICANE MELISSA LOCATED  
IN THE CENTRAL CARIBBEAN SEA WILL DIMINISH TODAY. WINDS WILL  
DIMINISH AND SEAS WILL SUBSIDE THEREAFTER. MEANWHILE, ROUGH SEAS  
WILL REACH THE FAR OFFSHORE WATERS OF GUATEMALA AND EL SALVADOR  
BY THU DUE TO A STRONG GAP WIND EVENT IN THE TEHUANTEPEC REGION.  
FRESH TO LOCALLY STRONG WINDS AND SEAS BUILDING TO 8 FT ARE  
FORECAST FOR THE PAPAGAYO AREA THU NIGHT INTO SAT AS HIGH  
PRESSURE BUILDS OVER THE NORTHWESTERN CARIBBEAN. LOOKING AHEAD,  
LONG- PERIOD CROSS EQUATORIAL SW SWELL WILL PROPAGATE ACROSS THE  
REGION TOWARD THE END OF THE WEEK, BUILDING SEAS TO 9 FT BETWEEN  
ECUADOR AND THE GALAPAGOS ISLANDS BY THU NIGHT INTO FRI.  
 
 
 
PMZ111-290415-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
912 AM PDT TUE OCT 28 2025  
   
TODAY  
W WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL. PERIOD  
16 SECONDS. ISOLATED SHOWERS AND THUNDERSTORMS.   
TONIGHT  
SW TO W WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS. ISOLATED SHOWERS AND THUNDERSTORMS.   
WED  
W WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD 14  
SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
WED NIGHT  
VARIABLE WINDS LESS THAN 5 KT, BECOMING NE 10 KT  
LATE. SEAS 5 TO 7 FT IN SW SWELL. PERIOD 14 SECONDS.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
THU  
E TO SE WINDS 10 KT. SEAS 7 TO 11 FT IN W SWELL. PERIOD  
17 SECONDS.    
THU NIGHT  
E WINDS 10 KT. SEAS 7 TO 10 FT IN W TO NW SWELL.  
PERIOD 22 SECONDS.    
FRI  
E WINDS 10 KT. SEAS 6 TO 9 FT IN SW SWELL. PERIOD  
20 SECONDS.    
FRI NIGHT  
E WINDS 10 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.  
PERIOD 18 SECONDS.    
SAT  
NE WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL. PERIOD  
17 SECONDS.    
SAT NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S  
TO SW SWELL. PERIOD 16 SECONDS.  
 
 
 
PMZ113-290415-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
912 AM PDT TUE OCT 28 2025  
   
TODAY  
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS. WINDS AND SEAS HIGHER IN AND NEAR  
SCATTERED SHOWERS AND THUNDERSTORMS E OF 89W.    
TONIGHT  
SW TO W WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS. SCATTERED SHOWERS AND THUNDERSTORMS E OF 89W.   
WED  
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
14 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
WED NIGHT  
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.   
THU  
W TO NW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 19 SECONDS.    
THU NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW  
SWELL. PERIOD 22 SECONDS.    
FRI  
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF PAPAGAYO, AND  
NE TO E 10 TO 15 KT ELSEWHERE. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 20 SECONDS.    
FRI NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO  
SW SWELL. PERIOD 18 SECONDS.    
SAT  
NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS.    
SAT NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO  
SW SWELL. PERIOD 16 SECONDS.  
 
 
 
PMZ115-290415-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
912 AM PDT TUE OCT 28 2025  
   
TODAY  
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS. WINDS AND SEAS HIGHER IN AND NEAR SCATTERED  
SHOWERS AND THUNDERSTORMS.   
TONIGHT  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND THUNDERSTORMS.   
WED  
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
14 SECONDS. SCATTERED SHOWERS AND THUNDERSTORMS.   
WED NIGHT  
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 14 SECONDS. SCATTERED SHOWERS AND THUNDERSTORMS.   
THU  
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 18  
SECONDS.    
THU NIGHT  
W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 22 SECONDS.    
FRI  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,  
AND SW 10 KT ELSEWHERE. SEAS 5 TO 7 FT IN SW SWELL. PERIOD  
20 SECONDS.    
FRI NIGHT  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND SW 10 KT ELSEWHERE. SEAS 6 TO 8 FT IN SW SWELL.  
PERIOD 18 SECONDS.    
SAT  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,  
AND S TO SW 10 KT ELSEWHERE. SEAS 6 TO 8 FT IN SW SWELL. PERIOD  
17 SECONDS.    
SAT NIGHT  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND SW 10 TO 15 KT ELSEWHERE. SEAS 6 TO 8 FT IN S TO  
SW SWELL. PERIOD 16 SECONDS.  
 
 
 
PMZ117-290415-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
912 AM PDT TUE OCT 28 2025  
   
TODAY  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
TONIGHT  
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.    
WED  
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
WED NIGHT  
SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
15 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
THU  
SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
18 SECONDS.    
THU NIGHT  
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW  
SWELL. PERIOD 22 SECONDS.    
FRI  
SW TO W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.  
PERIOD 20 SECONDS.    
FRI NIGHT  
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.  
PERIOD 19 SECONDS.    
SAT  
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND SW  
10 TO 15 KT ELSEWHERE. SEAS 6 TO 9 FT IN SW SWELL. PERIOD  
18 SECONDS.    
SAT NIGHT  
SW TO W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW  
SWELL. PERIOD 17 SECONDS.  
 
 
 
PMZ119-290415-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
912 AM PDT TUE OCT 28 2025  
   
TODAY  
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
15 SECONDS.    
TONIGHT  
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
WED  
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING SW TO W 10 KT IN THE AFTERNOON. ELSEWHERE, S TO SW  
WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW TO W SWELL. PERIOD  
17 SECONDS.    
WED NIGHT  
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN W TO NW  
SWELL. PERIOD 24 SECONDS.    
THU  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW TO W SWELL.  
PERIOD 22 SECONDS.    
THU NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW  
SWELL. PERIOD 20 SECONDS.    
FRI  
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW SWELL.  
PERIOD 19 SECONDS.    
FRI NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW  
SWELL. PERIOD 17 SECONDS.    
SAT  
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW SWELL.  
PERIOD 16 SECONDS.    
SAT NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW  
SWELL. PERIOD 15 SECONDS.  
 
 
 
PMZ121-290415-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
912 AM PDT TUE OCT 28 2025  
   
TODAY  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. PERIOD 14 SECONDS.   
TONIGHT  
S WINDS 10 KT. SEAS 4 TO 6 FT IN W SWELL. PERIOD  
14 SECONDS.    
WED  
S WINDS 10 KT. SEAS 4 TO 6 FT IN W TO NW SWELL. PERIOD  
17 SECONDS.    
WED NIGHT  
S WINDS 10 KT. SEAS 4 TO 6 FT IN W TO NW SWELL.  
PERIOD 24 SECONDS.    
THU  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD  
21 SECONDS.    
THU NIGHT  
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW  
SWELL. PERIOD 20 SECONDS.    
FRI  
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.  
PERIOD 18 SECONDS.    
FRI NIGHT  
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS.    
SAT  
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
SAT NIGHT  
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.  
 
 
 
PMZ123-290415-  
OFFSHORE GALAPAGOS ISLANDS-  
912 AM PDT TUE OCT 28 2025  
   
TODAY  
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN W TO NW  
SWELL. PERIOD 18 SECONDS.    
TONIGHT  
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN NW SWELL.  
PERIOD 17 SECONDS.    
WED  
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN NW SWELL. PERIOD  
19 SECONDS.    
WED NIGHT  
SE TO S WINDS 10 KT. SEAS 6 TO 8 FT IN W TO NW  
SWELL. PERIOD 23 SECONDS.    
THU  
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW TO W  
SWELL. PERIOD 18 SECONDS.    
THU NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN SW  
SWELL. PERIOD 18 SECONDS.    
FRI  
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN SW SWELL.  
PERIOD 17 SECONDS.    
FRI NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW  
SWELL. PERIOD 16 SECONDS.    
SAT  
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.  
PERIOD 15 SECONDS.    
SAT NIGHT  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.  
PERIOD 14 SECONDS.  
 
 
 
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