832  
FZPN28 KNHC 171557  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
857 AM PDT TUE MAR 17 2026  
 
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.  
 
PMZ101-180400-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
857 AM PDT TUE MAR 17 2026  
   
SYNOPSIS  
LARGE NE SWELL GENERATED BY THE GALE FORCE GAP WINDS  
IN THE GULF OF TEHUANTEPEC WILL IMPACT THE OFFSHORE WATERS OF  
GUATEMALA THROUGH WED. GENTLE BREEZES AND MODERATE SEAS WILL  
PREVAIL ELSEWHERE THROUGH LATE WEEK.  
 
 
 
PMZ111-180400-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
857 AM PDT TUE MAR 17 2026  
   
TODAY  
NW TO N WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
TONIGHT  
NW TO N WINDS 10 KT. SEAS 7 TO 10 FT IN W TO NW  
SWELL. PERIOD 14 SECONDS.    
WED  
E WINDS 10 KT. SEAS 7 TO 10 FT IN NW SWELL. PERIOD  
14 SECONDS.    
WED NIGHT  
N TO NE WINDS 10 KT. SEAS 6 TO 8 FT IN NW SWELL.  
PERIOD 14 SECONDS.    
THU  
NE WINDS 10 KT. SEAS 4 TO 6 FT IN W TO NW SWELL. PERIOD  
14 SECONDS.    
THU NIGHT  
NW TO N WINDS 10 KT. SEAS 4 TO 6 FT IN SW TO W  
SWELL. PERIOD 15 SECONDS.    
FRI  
NE WINDS 10 KT. SEAS 6 TO 8 FT IN W TO NW SWELL. PERIOD  
14 SECONDS.    
FRI NIGHT  
N TO NE WINDS 10 KT. SEAS 6 TO 8 FT IN NW SWELL.  
PERIOD 12 SECONDS.    
SAT  
NE TO E WINDS 10 KT. SEAS 5 TO 7 FT IN NW SWELL. PERIOD  
13 SECONDS.    
SAT NIGHT  
NE TO E WINDS 10 KT. SEAS 4 TO 6 FT IN W TO NW  
SWELL. PERIOD 13 SECONDS.  
 
 
 
PMZ113-180400-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
857 AM PDT TUE MAR 17 2026  
   
TODAY  
OFFSHORE GULF OF PAPAGAYO, NE TO E WINDS 10 TO 15 KT  
EARLY IN THE MORNING, BECOMING VARIABLE WINDS LESS THAN 5 KT.  
ELSEWHERE, N TO NE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
15 SECONDS.    
TONIGHT  
NW TO N WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
15 SECONDS.    
WED  
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW SWELL.  
PERIOD 14 SECONDS.    
WED NIGHT  
OFFSHORE GULF OF PAPAGAYO, NE TO E WINDS 10 TO  
15 KT. ELSEWHERE, VARIABLE WINDS LESS THAN 5 KT, BECOMING NE  
10 KT LATE. SEAS 4 TO 6 FT IN W TO NW SWELL. PERIOD  
14 SECONDS.    
THU  
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
13 SECONDS.    
THU NIGHT  
NE WINDS 15 TO 20 KT OFFSHORE GULF OF PAPAGAYO, AND  
N TO NE 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.    
FRI  
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
14 SECONDS.    
FRI NIGHT  
NE WINDS 15 TO 20 KT OFFSHORE GULF OF PAPAGAYO, AND  
NE 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.    
SAT  
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD  
14 SECONDS.    
SAT NIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
13 SECONDS.  
 
 
 
PMZ115-180400-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
857 AM PDT TUE MAR 17 2026  
   
TODAY  
VARIABLE WINDS LESS THAN 5 KT, BECOMING W TO NW 10 KT  
IN THE AFTERNOON. SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD  
15 SECONDS.    
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.    
WED  
NEAR THE AZUERO PENINSULA, SE WINDS 10 KT IN THE  
AFTERNOON. VARIABLE WINDS LESS THAN 5 KT IN THE MORNING.  
ELSEWHERE, VARIABLE WINDS LESS THAN 5 KT. SEAS 2 TO 4 FT. PERIOD  
14 SECONDS.    
WED NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 2 TO 4 FT.  
PERIOD 15 SECONDS.    
THU  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW  
SWELL. PERIOD 14 SECONDS.    
THU NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 2 TO 4 FT.  
PERIOD 14 SECONDS.    
FRI  
VARIABLE WINDS LESS THAN 5 KT. SEAS 2 TO 4 FT. PERIOD  
13 SECONDS.    
FRI NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 2 TO 4 FT.  
PERIOD 13 SECONDS.    
SAT  
E WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
SAT NIGHT  
E WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.  
 
 
 
PMZ117-180400-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
857 AM PDT TUE MAR 17 2026  
   
TODAY  
NW TO N WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.   
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.    
WED  
VARIABLE WINDS LESS THAN 5 KT. SEAS 2 TO 4 FT. PERIOD  
14 SECONDS.    
WED NIGHT  
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING N 10 KT LATE. ELSEWHERE, VARIABLE WINDS LESS  
THAN 5 KT. SEAS 2 TO 4 FT. PERIOD 14 SECONDS.    
THU  
N TO NE WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 14 SECONDS.    
THU NIGHT  
N WINDS 10 KT GULF OF PANAMA, AND VARIABLE LESS  
THAN 5 KT ELSEWHERE. SEAS 2 TO 4 FT. PERIOD 15 SECONDS.    
FRI  
NE WINDS 10 KT GULF OF PANAMA, AND VARIABLE LESS THAN  
5 KT ELSEWHERE. SEAS 2 TO 4 FT. PERIOD 14 SECONDS.    
FRI NIGHT  
N WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.    
SAT  
N TO NE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
SAT NIGHT  
N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
13 SECONDS.  
 
 
 
PMZ119-180400-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
857 AM PDT TUE MAR 17 2026  
   
TODAY  
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING W 10 KT IN THE AFTERNOON. ELSEWHERE, S WINDS 10 KT  
EARLY IN THE MORNING, BECOMING VARIABLE WINDS LESS THAN 5 KT.  
SEAS 3 TO 5 FT. PERIOD 14 SECONDS.    
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.    
WED  
GULF OF GUAYAQUIL, W WINDS 10 KT IN THE AFTERNOON.  
VARIABLE WINDS LESS THAN 5 KT IN THE MORNING. ELSEWHERE,  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
WED NIGHT  
GULF OF GUAYAQUIL, SW WINDS 10 KT. ELSEWHERE,  
VARIABLE WINDS LESS THAN 5 KT, BECOMING E 10 KT LATE.  
SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD 14 SECONDS.    
THU  
NE TO E WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
THU NIGHT  
VARIABLE WINDS LESS THAN 5 KT GULF OF GUAYAQUIL,  
AND NW TO N 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.    
FRI  
VARIABLE WINDS LESS THAN 5 KT GULF OF GUAYAQUIL, AND E  
10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
FRI NIGHT  
SW TO W WINDS 10 KT GULF OF GUAYAQUIL, AND VARIABLE  
LESS THAN 5 KT ELSEWHERE. SEAS 3 TO 5 FT IN S TO SW SWELL.  
PERIOD 13 SECONDS.    
SAT  
VARIABLE WINDS LESS THAN 5 KT GULF OF GUAYAQUIL, AND NE  
TO E 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
SAT NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 12 SECONDS.  
 
 
 
PMZ121-180400-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
857 AM PDT TUE MAR 17 2026  
   
TODAY  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.    
TONIGHT  
E WINDS 10 KT IN THE EVENING, BECOMING VARIABLE WINDS  
LESS THAN 5 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.    
WED  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
WED NIGHT  
VARIABLE WINDS LESS THAN 5 KT, BECOMING E 10 KT  
LATE. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.    
THU  
E WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
THU NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 13 SECONDS.    
FRI  
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
FRI NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
SWELL. PERIOD 13 SECONDS.    
SAT  
E WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
SAT NIGHT  
E WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.  
 
 
 
PMZ123-180400-  
OFFSHORE GALAPAGOS ISLANDS-  
857 AM PDT TUE MAR 17 2026  
   
TODAY  
SE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.    
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT, BECOMING E TO SE 10 KT  
LATE. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.    
WED  
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.    
WED NIGHT  
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
15 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.    
THU  
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
THU NIGHT  
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.    
FRI  
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
FRI NIGHT  
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.    
SAT  
E WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
SAT NIGHT  
E WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.  
 
 
 
FORECASTER KONARIK  
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