174  
FZPN28 KNHC 162026  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
126 PM PDT MON MAR 16 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.  
 
PMZ101-170830-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
126 PM PDT MON MAR 16 2026  
   
SYNOPSIS  
LARGE NE SWELL MAY IMPACT THE OFFSHORE WATERS OF  
GUATEMALA TUE THROUGH LATE WED RELATED TO GALE FORCE GAP WINDS  
OVER THE NEARBY GULF OF TEHUANTEPEC. GENTLE BREEZES AND MODERATE  
SEAS WILL PREVAIL ELSEWHERE THROUGH LATE IN THE WEEK.  
 
 
 
PMZ111-170830-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
126 PM PDT MON MAR 16 2026  
   
TONIGHT  
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
TUE  
NW TO N WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
TUE NIGHT  
NW TO N WINDS 10 KT. SEAS 7 TO 10 FT IN W SWELL.  
PERIOD 14 SECONDS.    
WED  
NE WINDS 10 KT, SHIFTING TO E TO SE IN THE AFTERNOON.  
SEAS 7 TO 10 FT IN NW SWELL. PERIOD 14 SECONDS.    
WED NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN NW  
SWELL. PERIOD 12 SECONDS.    
THU  
N TO NE WINDS 10 KT. SEAS 4 TO 6 FT IN W TO NW SWELL.  
PERIOD 14 SECONDS.    
THU NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN 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  
VARIABLE WINDS LESS THAN 5 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  
SE WINDS 10 KT. SEAS 4 TO 6 FT IN NW SWELL. PERIOD  
13 SECONDS.  
 
 
 
PMZ113-170830-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
126 PM PDT MON MAR 16 2026  
   
TONIGHT  
W TO NW WINDS 10 KT, SHIFTING TO NW TO N LATE. SEAS  
5 TO 7 FT IN S TO SW SWELL. PERIOD 16 SECONDS.    
TUE  
NE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
15 SECONDS.    
TUE NIGHT  
OFFSHORE GULF OF PAPAGAYO, VARIABLE WINDS LESS THAN  
5 KT, BECOMING NE 10 TO 15 KT LATE. ELSEWHERE, W TO NW  
WINDS 10 KT IN THE EVENING, BECOMING VARIABLE WINDS LESS THAN  
5 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  
NE TO E WINDS 10 TO 15 KT OFFSHORE GULF OF  
PAPAGAYO, AND VARIABLE LESS THAN 5 KT ELSEWHERE. SEAS 4 TO 6 FT  
IN W SWELL. PERIOD 13 SECONDS.    
THU  
NE TO E WINDS 15 TO 20 KT OFFSHORE GULF OF PAPAGAYO, AND  
NE 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
THU NIGHT  
NE WINDS 15 TO 20 KT OFFSHORE GULF OF PAPAGAYO, AND  
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 TO E WINDS 15 TO 20 KT OFFSHORE GULF OF  
PAPAGAYO, AND E 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD  
14 SECONDS.    
SAT  
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
14 SECONDS.    
SAT NIGHT  
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
13 SECONDS.  
 
 
 
PMZ115-170830-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
126 PM PDT MON MAR 16 2026  
   
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 16 SECONDS.    
TUE  
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING S TO SW 10 KT IN THE AFTERNOON. ELSEWHERE, VARIABLE  
WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
15 SECONDS.    
TUE NIGHT  
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 TO S 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 14 SECONDS.    
WED NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 2 TO 4 FT.  
PERIOD 14 SECONDS.    
THU  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
THU NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. 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 NEAR THE AZUERO PENINSULA, AND VARIABLE  
LESS THAN 5 KT ELSEWHERE. SEAS 3 TO 5 FT IN S SWELL. PERIOD  
13 SECONDS.    
SAT NIGHT  
NE WINDS 10 KT NEAR THE AZUERO PENINSULA, AND  
VARIABLE LESS THAN 5 KT ELSEWHERE. SEAS 3 TO 5 FT IN S SWELL.  
PERIOD 13 SECONDS.  
 
 
 
PMZ117-170830-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
126 PM PDT MON MAR 16 2026  
   
TONIGHT  
N WINDS 10 KT GULF OF PANAMA, AND VARIABLE LESS THAN  
5 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD  
16 SECONDS.    
TUE  
GULF OF PANAMA, N TO NE WINDS 10 KT. ELSEWHERE, VARIABLE  
WINDS LESS THAN 5 KT, BECOMING NW TO N 10 KT IN THE AFTERNOON.  
SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD 15 SECONDS.    
TUE NIGHT  
GULF OF PANAMA, N WINDS 10 KT LATE.  
VARIABLE WINDS LESS THAN 5 KT IN THE EVENING. ELSEWHERE,  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
WED  
GULF OF PANAMA, N TO NE WINDS 10 KT IN THE MORNING.  
VARIABLE WINDS LESS THAN 5 KT IN THE AFTERNOON. ELSEWHERE,  
VARIABLE WINDS LESS THAN 5 KT IN THE MORNING. SEAS 3 TO 5 FT IN  
S TO SW SWELL. PERIOD 14 SECONDS.    
WED NIGHT  
N WINDS 10 KT GULF OF PANAMA, AND VARIABLE LESS  
THAN 5 KT ELSEWHERE. SEAS 2 TO 4 FT. PERIOD 13 SECONDS.    
THU  
N TO NE WINDS 10 KT GULF OF PANAMA, AND VARIABLE LESS  
THAN 5 KT ELSEWHERE. SEAS 2 TO 4 FT. PERIOD 14 SECONDS.    
THU NIGHT  
NW TO 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.  
 
 
 
PMZ119-170830-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
126 PM PDT MON MAR 16 2026  
   
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT, BECOMING SW 10 KT  
LATE. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
NIGHT.    
TUE  
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING W 10 KT IN THE AFTERNOON. ELSEWHERE, SE TO S WINDS  
10 KT IN THE MORNING, BECOMING VARIABLE WINDS LESS THAN 5 KT.  
SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD 14 SECONDS.    
TUE NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 14 SECONDS.    
WED  
GULF OF GUAYAQUIL, SW TO 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  
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
14 SECONDS.    
THU  
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
THU NIGHT  
SW WINDS 10 KT GULF OF GUAYAQUIL, AND VARIABLE LESS  
THAN 5 KT ELSEWHERE. SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD  
14 SECONDS.    
FRI  
VARIABLE WINDS LESS THAN 5 KT GULF OF GUAYAQUIL, AND E  
10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
14 SECONDS.    
FRI NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S  
SWELL. PERIOD 13 SECONDS.    
SAT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S SWELL.  
PERIOD 13 SECONDS.    
SAT NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 12 SECONDS.  
 
 
 
PMZ121-170830-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
126 PM PDT MON MAR 16 2026  
   
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.    
TUE  
E TO SE WINDS 10 KT IN THE MORNING, BECOMING VARIABLE  
WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
14 SECONDS.    
TUE NIGHT  
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 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
WED NIGHT  
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
14 SECONDS.    
THU  
E TO SE 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  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 13 SECONDS.    
FRI NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S  
SWELL. PERIOD 13 SECONDS.    
SAT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S SWELL.  
PERIOD 12 SECONDS.    
SAT NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
SWELL. PERIOD 12 SECONDS.  
 
 
 
PMZ123-170830-  
OFFSHORE GALAPAGOS ISLANDS-  
126 PM PDT MON MAR 16 2026  
   
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT, BECOMING SE 10 KT  
LATE. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
14 SECONDS.    
TUE  
E TO SE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
TUE NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 15 SECONDS.    
WED  
E TO SE WINDS 10 KT IN THE MORNING, BECOMING VARIABLE  
WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.    
WED NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 14 SECONDS.    
THU  
E TO SE 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 SW  
SWELL. PERIOD 12 SECONDS.    
FRI  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN W TO NW  
SWELL. PERIOD 12 SECONDS.    
FRI NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S  
TO SW SWELL. PERIOD 12 SECONDS.    
SAT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 12 SECONDS.    
SAT NIGHT  
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.  
 
 
 
FORECASTER CHRISTENSEN  
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