178  
FZPN28 KNHC 090839  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
139 AM PDT THU MAY 9 2024  
 
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.  
 
PMZ101-092045-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
139 AM PDT THU MAY 9 2024  
   
SYNOPSIS
 
MODERATE TO LOCALLY FRESH SOUTH TO SOUTHWEST WINDS  
ARE EXPECTED S OF THE MONSOON TROUGH, ROUGHLY ALONG 09N, THROUGH  
FRI, WHICH WILL FEED MOISTURE INTO SHOWER AND THUNDERSTORM  
ACTIVITY CURRENTLY OVER THE AREA WATERS. THIS ACTIVITY WILL  
SHIFT SLOWLY WESTWARD OF 90W BY FRI AFTERNOON. LIGHT TO GENTLE  
VARIABLE WINDS WILL PREVAIL ELSEWHERE ALONG WITH MODERATE SEAS IN  
A SOUTH SWELL. OTHERWISE, NEW SOUTHERLY SWELL ENTERING THE  
REGION WILL MAINTAIN SEAS OF 6 TO 7 FT S OF THE GALAPAGOS ISLANDS  
THROUGH SUN, AND BUILD BRIEFLY TO NEAR 8 FT FRI NIGHT.  
 

 
 
PMZ111-092045-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
139 AM PDT THU MAY 9 2024  
   
TODAY
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.    
TONIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO  
SW SWELL. PERIOD 16 SECONDS.    
FRI
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
FRI NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 19 SECONDS.    
SAT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 18 SECONDS.    
SAT NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 17 SECONDS.    
SUN
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.    
SUN NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S  
TO SW SWELL. PERIOD 15 SECONDS.    
MON
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
MON NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 15 SECONDS.  
 

 
 
PMZ113-092045-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
139 AM PDT THU MAY 9 2024  
   
TODAY
 
S TO SW WINDS 10 KT, SHIFTING TO W IN THE AFTERNOON.  
SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD 14 SECONDS. SCATTERED  
SHOWERS AND ISOLATED THUNDERSTORMS.    
TONIGHT
 
OFFSHORE GULF OF PAPAGAYO, SW WINDS 10 KT IN THE  
EVENING, BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE,  
VARIABLE WINDS LESS THAN 5 KT, BECOMING SW TO W 10 KT LATE. SEAS  
3 TO 5 FT IN S TO SW SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS  
AND ISOLATED THUNDERSTORMS.    
FRI
 
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
FRI NIGHT
 
SW WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL.  
PERIOD 19 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
SAT
 
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS.   
SAT NIGHT
 
SE TO S WINDS 10 KT OFFSHORE GULF OF PAPAGAYO, AND  
VARIABLE LESS THAN 5 KT ELSEWHERE. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS.    
SUN
 
E WINDS 10 KT OFFSHORE GULF OF PAPAGAYO, AND VARIABLE  
LESS THAN 5 KT ELSEWHERE. SEAS 3 TO 5 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.   
SUN NIGHT
 
SW WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.   
MON
 
SW WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD  
15 SECONDS.   
MON NIGHT
 
SW WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.  
 

 
 
PMZ115-092045-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
139 AM PDT THU MAY 9 2024  
   
TODAY
 
SW WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD  
16 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
TONIGHT
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO  
PENINSULA, AND SW 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.   
FRI
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,  
AND SW 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
FRI NIGHT
 
SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
SAT
 
SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
15 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
SAT NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S  
TO SW SWELL. PERIOD 16 SECONDS.    
SUN
 
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,  
AND S TO SW 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
SUN 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 15 SECONDS.    
MON
 
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  
15 SECONDS.    
MON NIGHT
 
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
15 SECONDS.  
 

 
 
PMZ117-092045-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
139 AM PDT THU MAY 9 2024  
   
TODAY
 
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.  
ISOLATED SHOWERS AND THUNDERSTORMS.    
TONIGHT
 
GULF OF PANAMA, E TO SE WINDS 10 KT IN THE EVENING,  
BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE, VARIABLE  
WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
15 SECONDS. ISOLATED SHOWERS AND THUNDERSTORMS.    
FRI
 
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE,  
SE WINDS 10 KT, SHIFTING TO W IN THE AFTERNOON. SEAS 4 TO 6 FT  
IN S TO SW SWELL. PERIOD 15 SECONDS. ISOLATED SHOWERS AND  
THUNDERSTORMS.    
FRI NIGHT
 
SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 19 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
SAT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 17 SECONDS.    
SAT NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S  
TO SW SWELL. PERIOD 17 SECONDS.    
SUN
 
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND SW TO W  
10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
16 SECONDS.    
SUN NIGHT
 
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND W  
10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
16 SECONDS.    
MON
 
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
15 SECONDS.    
MON NIGHT
 
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.  
 

 
 
PMZ119-092045-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
139 AM PDT THU MAY 9 2024  
   
TODAY
 
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 5 TO 7 FT IN S TO SW SWELL. PERIOD  
15 SECONDS.    
TONIGHT
 
SW WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
FRI
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
FRI NIGHT
 
GULF OF GUAYAQUIL, SW WINDS 10 KT IN THE EVENING,  
BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE, S WINDS 10 TO  
15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD 18 SECONDS.    
SAT
 
SW WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD  
17 SECONDS.    
SAT NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.    
SUN
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
SUN NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
15 SECONDS.    
MON
 
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
14 SECONDS.    
MON NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.  
 

 
 
PMZ121-092045-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
139 AM PDT THU MAY 9 2024  
   
TODAY
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 15 SECONDS.    
TONIGHT
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 14 SECONDS.    
FRI
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 18 SECONDS.    
FRI NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 18 SECONDS.    
SAT
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
17 SECONDS.    
SAT NIGHT
 
S WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
16 SECONDS.    
SUN
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 15 SECONDS.    
SUN NIGHT
 
S WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
15 SECONDS.    
MON
 
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
14 SECONDS.    
MON NIGHT
 
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 14 SECONDS.  
 

 
 
PMZ123-092045-  
OFFSHORE GALAPAGOS ISLANDS-  
139 AM PDT THU MAY 9 2024  
   
TODAY
 
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
15 SECONDS.    
TONIGHT
 
SE WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
16 SECONDS.    
FRI
 
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
18 SECONDS.    
FRI NIGHT
 
E TO SE WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 18 SECONDS.    
SAT
 
SE WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
15 SECONDS.    
SAT NIGHT
 
SE WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
14 SECONDS.    
SUN
 
SE WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
14 SECONDS.    
SUN NIGHT
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 14 SECONDS.    
MON
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD  
14 SECONDS.    
MON NIGHT
 
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 13 SECONDS.  
 

 
 
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