365   
FZPN28 KNHC 190149  
OFFPZ8  
  
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
549 PM PST THU DEC 18 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.  
  
PMZ101-191400-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
549 PM PST THU DEC 18 2025  
   
SYNOPSIS  
A LIGHT PRESSURE GRADIENT WILL CONTINUE TO SUPPORT   
MODERATE OR WEAKER WINDS ACROSS FORECAST WATERS THROUGH FRI.   
BUILDING HIGH PRESSURE OVER CENTRAL AMERICA WILL DRIVE FRESH TO   
LOCALLY STRONG NE WINDS MAINLY DURING LATE NIGHT/EARLY MORNING   
HOURS ACROSS THE GULF OF PAPAGAYO REGION FROM FRI EVENING THROUGH  
MID NEXT WEEK. ELSEWHERE, WINDS AND SEAS WILL BE QUIESCENT.   
  
  
  
PMZ111-191400-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
549 PM PST THU DEC 18 2025  
   
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
13 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.    
FRI  
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.    
FRI NIGHT  
NE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
SAT  
NE TO E WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
SAT NIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
10 SECONDS.    
SUN  
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
12 SECONDS.    
SUN NIGHT  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
11 SECONDS.    
MON  
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
11 SECONDS.    
MON NIGHT  
N TO NE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
10 SECONDS.    
TUE  
NE TO E WINDS 10 KT. SEAS 4 TO 6 FT IN NW TO N SWELL.  
PERIOD 10 SECONDS.    
TUE NIGHT  
N TO NE WINDS 10 KT. SEAS 4 TO 6 FT IN NW SWELL.  
PERIOD 10 SECONDS.   
  
  
  
PMZ113-191400-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
549 PM PST THU DEC 18 2025  
   
TONIGHT  
OFFSHORE GULF OF PAPAGAYO, NE TO E WINDS 15 TO 20 KT.  
ELSEWHERE, SW WINDS 10 KT, SHIFTING TO NW LATE. SEAS  
3 TO 5 FT. PERIOD 13 SECONDS.    
FRI  
N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.    
FRI NIGHT  
N TO NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD  
12 SECONDS.    
SAT  
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF PAPAGAYO, AND  
NE TO E 15 TO 20 KT ELSEWHERE. SEAS 4 TO 6 FT. PERIOD  
12 SECONDS.    
SAT NIGHT  
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD  
10 SECONDS.    
SUN  
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD  
10 SECONDS.    
SUN NIGHT  
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD  
10 SECONDS.    
MON  
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD  
11 SECONDS.    
MON NIGHT  
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD  
10 SECONDS.    
TUE  
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD  
10 SECONDS.    
TUE NIGHT  
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD  
10 SECONDS.   
  
  
  
PMZ115-191400-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
549 PM PST THU DEC 18 2025  
   
TONIGHT  
W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.  
SCATTERED SHOWERS THROUGH THE NIGHT.    
FRI  
W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
FRI NIGHT  
W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
SAT  
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
SAT NIGHT  
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS.    
SUN  
SW TO W WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 11 SECONDS.    
SUN NIGHT  
W WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 10 SECONDS.    
MON  
W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 10 SECONDS.    
MON NIGHT  
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
11 SECONDS.    
TUE  
W WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 12 SECONDS.    
TUE NIGHT  
W WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 12 SECONDS.   
  
  
  
PMZ117-191400-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
549 PM PST THU DEC 18 2025  
   
TONIGHT  
W WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 13 SECONDS.  
SCATTERED SHOWERS THROUGH THE NIGHT.    
FRI  
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
FRI NIGHT  
SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.    
SAT  
SW TO W WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 12 SECONDS.    
SAT NIGHT  
SW TO W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD  
10 SECONDS.    
SUN  
SW TO W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD  
11 SECONDS.    
SUN NIGHT  
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD  
12 SECONDS.    
MON  
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD 12 SECONDS.    
MON NIGHT  
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD  
12 SECONDS.    
TUE  
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD 12 SECONDS.    
TUE NIGHT  
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD  
12 SECONDS.   
  
  
  
PMZ119-191400-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
549 PM PST THU DEC 18 2025  
   
TONIGHT  
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
FRI  
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
FRI NIGHT  
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
13 SECONDS.    
SAT  
S TO SW WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 13 SECONDS.    
SAT NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD  
11 SECONDS.    
SUN  
S TO SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD  
11 SECONDS.    
SUN NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD  
11 SECONDS.    
MON  
S TO SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD  
12 SECONDS.    
MON NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD  
13 SECONDS.    
TUE  
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
14 SECONDS.    
TUE NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
13 SECONDS.   
  
  
  
PMZ121-191400-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
549 PM PST THU DEC 18 2025  
   
TONIGHT  
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
13 SECONDS.    
FRI  
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
FRI NIGHT  
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
SAT  
S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 11 SECONDS.    
SAT NIGHT  
S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 10 SECONDS.    
SUN  
S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 10 SECONDS.    
SUN NIGHT  
S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 10 SECONDS.    
MON  
S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD 11 SECONDS.    
MON NIGHT  
SE TO S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD  
12 SECONDS.    
TUE  
SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD  
13 SECONDS.    
TUE NIGHT  
SE TO S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD  
13 SECONDS.   
  
  
  
PMZ123-191400-  
OFFSHORE GALAPAGOS ISLANDS-  
549 PM PST THU DEC 18 2025  
   
TONIGHT  
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
FRI  
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
FRI NIGHT  
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.    
SAT  
S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 12 SECONDS.    
SAT NIGHT  
S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 11 SECONDS.    
SUN  
SE TO S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 12 SECONDS.    
SUN NIGHT  
SE TO S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD  
12 SECONDS.    
MON  
SE TO S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 12 SECONDS.    
MON NIGHT  
SE TO S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD  
12 SECONDS.    
TUE  
SE TO S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 12 SECONDS.    
TUE NIGHT  
SE TO S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD  
12 SECONDS.   
  
  
  
FORECASTER KONARIK  
 
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