064  
FZPN28 KNHC 240804 CCA  
OFFPZ8  
 
OFFSHORE WATERS FORECAST...CORRECTED  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
716 PM PDT SAT AUG 23 2025  
 
CORRECTED SYNOPSIS  
 
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.  
 
PMZ101-241430-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
716 PM PDT SAT AUG 23 2025  
   
SYNOPSIS  
LONG-PERIOD CROSS-EQUATORIAL SWELL WILL LEAD TO  
ROUGH SEAS OFFSHORE OF ECUADOR STARTING SUN, AND OFFSHORE OF  
COLOMBIA AND MUCH OF CENTRAL AMERICA BY EARLY NEXT WEEK. ROUGH  
SEAS ARE EXPECTED SOUTH OF THE EQUATOR OFFSHORE OF ECUADOR SUN  
MORNING INTO EARLY MON BEFORE THEY SLOWLY SUBSIDE THROUGH WED.  
ELSEWHERE, MODERATE TO FRESH NORTHEAST TO EAST GAP WINDS WILL  
CONTINUE IN THE GULF OF PAPAGAYO REGION THROUGH MON, THEN INCREASE  
TO FRESH TO STRONG SPEEDS THROUGH EARLY WED AND DIMINISH EARLY THU  
AFTERNOON.  
 
 
 
PMZ111-241430-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
716 PM PDT SAT AUG 23 2025  
   
TONIGHT  
E TO SE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 21 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
SUN  
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
21 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
SUN NIGHT  
SE WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
20 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
MON  
E TO SE WINDS 10 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
19 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
MON NIGHT  
NE TO E WINDS 10 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 16 SECONDS.    
TUE  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
15 SECONDS.    
TUE NIGHT  
NE TO E WINDS 10 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 14 SECONDS.    
WED  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
13 SECONDS.    
WED NIGHT  
SE WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
13 SECONDS.    
THU  
E TO SE WINDS 10 KT. SEAS 4 TO 6 FT IN SE TO S SWELL.  
PERIOD 12 SECONDS.    
THU NIGHT  
E TO SE WINDS 10 KT. SEAS 4 TO 6 FT IN SE TO S  
SWELL. PERIOD 11 SECONDS.  
 
 
 
PMZ113-241430-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
716 PM PDT SAT AUG 23 2025  
   
TONIGHT  
E WINDS 15 TO 20 KT OFFSHORE GULF OF PAPAGAYO, AND S  
10 TO 15 KT ELSEWHERE. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
17 SECONDS. WINDS AND SEAS HIGHER IN AND NEAR SCATTERED SHOWERS  
AND THUNDERSTORMS.   
SUN  
E TO SE WINDS 10 TO 15 KT, SHIFTING TO S TO SW IN THE  
AFTERNOON. SEAS 4 TO 6 FT. PERIOD 21 SECONDS. SCATTERED SHOWERS  
AND THUNDERSTORMS.    
SUN NIGHT  
S TO SW WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 20 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
MON  
N WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
19 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
MON NIGHT  
NE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 16 SECONDS.    
TUE  
NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN S SWELL.  
PERIOD 14 SECONDS.    
TUE NIGHT  
E TO SE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN S  
SWELL. PERIOD 14 SECONDS.    
WED  
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 13 SECONDS.    
WED NIGHT  
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
12 SECONDS.    
THU  
SE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
THU NIGHT  
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
11 SECONDS.  
 
 
 
PMZ115-241430-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
716 PM PDT SAT AUG 23 2025  
   
TONIGHT  
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS. WINDS AND SEAS HIGHER IN AND NEAR  
SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS.   
SUN  
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 5 TO 7 FT IN S TO SW SWELL. PERIOD  
20 SECONDS. SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS.   
SUN NIGHT  
NEAR THE AZUERO PENINSULA, W TO NW WINDS 10 KT IN  
THE EVENING, BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE,  
W WINDS 10 KT. SEAS 6 TO 9 FT IN S TO SW SWELL. PERIOD  
19 SECONDS. SCATTERED SHOWERS AND THUNDERSTORMS.   
MON  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,  
AND W 10 KT ELSEWHERE. SEAS 7 TO 10 FT IN S TO SW SWELL. PERIOD  
18 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGH  
THE DAY.    
MON NIGHT  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND W TO NW 10 KT ELSEWHERE. SEAS 7 TO 10 FT IN S TO  
SW SWELL. PERIOD 16 SECONDS.    
TUE  
VARIABLE WINDS LESS THAN 5 KT. SEAS 6 TO 9 FT IN S SWELL.  
PERIOD 14 SECONDS.    
TUE NIGHT  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND S TO SW 10 KT ELSEWHERE. SEAS 6 TO 8 FT IN S  
SWELL. PERIOD 13 SECONDS.    
WED  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,  
AND S TO SW 10 KT ELSEWHERE. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
13 SECONDS.    
WED NIGHT  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND SW TO W 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S  
SWELL. PERIOD 12 SECONDS.    
THU  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,  
AND S TO SW 10 KT ELSEWHERE. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
12 SECONDS.    
THU NIGHT  
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND SW TO W 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S  
SWELL. PERIOD 11 SECONDS.  
 
 
 
PMZ117-241430-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
716 PM PDT SAT AUG 23 2025  
   
TONIGHT  
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS. ISOLATED SHOWERS AND THUNDERSTORMS.   
SUN  
GULF OF PANAMA, 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 8 FT IN S TO SW SWELL. PERIOD 20 SECONDS.    
SUN NIGHT  
W WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S TO SW  
SWELL. PERIOD 19 SECONDS. ISOLATED SHOWERS AND THUNDERSTORMS.   
MON  
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT, BECOMING W  
10 KT IN THE AFTERNOON. ELSEWHERE, SW TO W WINDS 10 KT. SEAS  
7 TO 11 FT IN S TO SW SWELL. PERIOD 18 SECONDS. SCATTERED  
SHOWERS AND ISOLATED THUNDERSTORMS.   
MON NIGHT  
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND  
SW 10 TO 15 KT ELSEWHERE. SEAS 7 TO 10 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
TUE  
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND SW  
10 TO 15 KT ELSEWHERE. SEAS 6 TO 9 FT IN S TO SW SWELL. PERIOD  
15 SECONDS.    
TUE NIGHT  
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND  
SW 10 TO 15 KT ELSEWHERE. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
WED  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 13 SECONDS.    
WED NIGHT  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.    
THU  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 11 SECONDS.    
THU NIGHT  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 11 SECONDS.  
 
 
 
PMZ119-241430-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
716 PM PDT SAT AUG 23 2025  
   
TONIGHT  
W TO NW WINDS 10 KT GULF OF GUAYAQUIL, AND S TO SW  
15 TO 20 KT ELSEWHERE. SEAS 7 TO 10 FT IN S TO SW SWELL. PERIOD  
19 SECONDS.    
SUN  
S TO SW WINDS 10 TO 15 KT. SEAS 8 TO 12 FT IN S TO SW  
SWELL. PERIOD 19 SECONDS.    
SUN NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 8 TO 12 FT IN S TO  
SW SWELL. PERIOD 18 SECONDS.    
MON  
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 8 TO 12 FT IN S TO SW SWELL. PERIOD  
16 SECONDS.    
MON NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.    
TUE  
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.    
TUE NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO  
SW SWELL. PERIOD 13 SECONDS.    
WED  
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 12 SECONDS.    
WED NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S  
SWELL. PERIOD 11 SECONDS.    
THU  
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 11 SECONDS.    
THU NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S  
SWELL. PERIOD 14 SECONDS.  
 
 
 
PMZ121-241430-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
716 PM PDT SAT AUG 23 2025  
   
TONIGHT  
SE TO S WINDS 15 TO 20 KT. SEAS 7 TO 11 FT IN S TO SW  
SWELL. PERIOD 19 SECONDS.    
SUN  
SE TO S WINDS 10 TO 15 KT. SEAS 9 TO 13 FT IN S TO SW  
SWELL. PERIOD 19 SECONDS.    
SUN NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 9 TO 13 FT IN S TO  
SW SWELL. PERIOD 17 SECONDS.    
MON  
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN S SWELL.  
PERIOD 16 SECONDS.    
MON NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S  
SWELL. PERIOD 13 SECONDS.    
TUE  
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S SWELL.  
PERIOD 13 SECONDS.    
TUE NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S  
SWELL. PERIOD 12 SECONDS.    
WED  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SE TO S SWELL.  
PERIOD 11 SECONDS.    
WED NIGHT  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SE TO S  
SWELL. PERIOD 10 SECONDS.    
THU  
S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD 10 SECONDS.    
THU NIGHT  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 14 SECONDS.  
 
 
 
PMZ123-241430-  
OFFSHORE GALAPAGOS ISLANDS-  
716 PM PDT SAT AUG 23 2025  
   
TONIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN S  
SWELL. PERIOD 19 SECONDS.    
SUN  
SE WINDS 10 TO 15 KT. SEAS 9 TO 13 FT IN S SWELL. PERIOD  
19 SECONDS.    
SUN NIGHT  
SE WINDS 10 TO 15 KT. SEAS 9 TO 13 FT IN S SWELL.  
PERIOD 17 SECONDS.    
MON  
SE WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN S SWELL. PERIOD  
15 SECONDS.    
MON NIGHT  
SE WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S SWELL.  
PERIOD 13 SECONDS.    
TUE  
SE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SE TO S SWELL.  
PERIOD 13 SECONDS.    
TUE NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SE TO  
S SWELL. PERIOD 12 SECONDS.    
WED  
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SE TO S  
SWELL. PERIOD 11 SECONDS.    
WED NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SE TO  
S SWELL. PERIOD 10 SECONDS.    
THU  
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SE TO S  
SWELL. PERIOD 12 SECONDS.    
THU NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S  
SWELL. PERIOD 14 SECONDS.  
 
 
 
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