928  
FZUS51 KLWX 171458  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1058 AM EDT SAT OCT 17 2026  
 
TIDAL POTOMAC RIVER AND MARYLAND PORTION OF CHESAPEAKE BAY.  
 
FORECASTS OF WAVE HEIGHTS DO NOT INCLUDE EFFECTS OF WIND DIRECTION  
RELATIVE TO TIDAL CURRENTS. EXPECT HIGHER WAVES WHEN WINDS ARE  
BLOWING AGAINST THE TIDAL FLOW. WAVES FLAT WHERE WATERS ARE ICED OVER.  
 
ANZ500-172000-  
1058 AM EDT SAT OCT 17 2026  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
HIGH PRESSURE WILL BUILD IN FROM THE CENTRAL U.S. TODAY AND  
TOMORROW, THEN LINGER EARLY NEXT WEEK AS LOW PRESSURE DEVELOPS AND  
MEANDERS OFF THE CAROLINA COAST. ADDITIONAL SMALL CRAFT ADVISORIES  
MAY BE NEEDED SUNDAY INTO EARLY NEXT WEEK.  
 
 
 
ANZ535-172000-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
1058 AM EDT SAT OCT 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING  
 
   
REST OF TODAY  
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A  
CHANCE OF RAIN LATE THIS MORNING.    
TONIGHT  
N WINDS 5 TO 10 KT. GUSTS UP TO 25 KT EARLY IN THE  
EVENING. WAVES 1 FT.    
SUN  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN NIGHT  
NE WINDS AROUND 5 KT. WAVES 1 FT.    
MON  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
MON NIGHT  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
WED  
N WINDS 5 TO 10 KT. WAVES 1 FT.  
 
 
 
ANZ536-172000-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
1058 AM EDT SAT OCT 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. RAIN  
LATE THIS MORNING, THEN A CHANCE OF RAIN THIS AFTERNOON.    
TONIGHT  
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
SUN  
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
SUN NIGHT  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
MON  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
MON NIGHT  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TUE  
N WINDS 10 TO 15 KT. WAVES 1 FT.    
WED  
N WINDS 10 TO 15 KT. WAVES 1 FT.  
 
 
 
ANZ537-172000-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
1058 AM EDT SAT OCT 17 2026  
   
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES  
4 FT. RAIN.   
TONIGHT  
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT.    
SUN...NE WINDS 15 TO 20 KT. GUSTS UP TO 30 KT  
DIMINISHING TO  
20 KT IN THE AFTERNOON. WAVES 3 FT.    
SUN NIGHT  
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
MON  
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
MON NIGHT  
N WINDS 20 TO 25 KT. WAVES 3 FT.    
TUE  
N WINDS 20 TO 25 KT. WAVES 3 FT.    
WED  
N WINDS 20 TO 25 KT. WAVES 4 FT.  
 
 
 
ANZ530-172000-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
1058 AM EDT SAT OCT 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES  
2 FT. A SLIGHT CHANCE OF RAIN LATE THIS MORNING.    
TONIGHT  
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
SUN...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT  
DIMINISHING TO  
5 KT LATE. WAVES 1 FT.    
SUN NIGHT  
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
MON  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
MON NIGHT  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TUE  
N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.    
WED  
NE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.  
 
 
 
ANZ531-172000-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
1058 AM EDT SAT OCT 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A  
SLIGHT CHANCE OF RAIN LATE THIS MORNING.    
TONIGHT  
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
SUN  
NE WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE MORNING. WAVES  
3 FT...SUBSIDING TO 1 FT IN THE AFTERNOON.    
SUN NIGHT  
NE WINDS 10 TO 15 KT. WAVES 1 FT.    
MON  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
MON NIGHT  
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.    
TUE  
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.    
WED  
NE WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.  
 
 
 
ANZ538-172000-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
1058 AM EDT SAT OCT 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
TONIGHT  
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
SUN  
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES  
1 FT.    
SUN NIGHT  
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
MON  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
MON NIGHT  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TUE  
N WINDS 10 TO 15 KT. WAVES 1 FT.    
WED  
NE WINDS 10 TO 15 KT. WAVES 1 FT.  
 
 
 
ANZ539-172000-  
CHESTER RIVER TO QUEENSTOWN MD-  
1058 AM EDT SAT OCT 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A  
CHANCE OF RAIN LATE THIS MORNING.    
TONIGHT  
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
SUN...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT  
DIMINISHING TO  
5 KT LATE. WAVES 1 TO 2 FT.    
SUN NIGHT  
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
MON  
N WINDS 10 TO 15 KT. WAVES 2 FT.    
MON NIGHT  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT.    
TUE  
N WINDS 10 TO 15 KT. WAVES 2 FT.    
WED  
NE WINDS 10 TO 15 KT. WAVES 2 FT.  
 
 
 
ANZ532-172000-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
1058 AM EDT SAT OCT 17 2026  
   
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES  
4 FT. A CHANCE OF RAIN LATE THIS MORNING, THEN A SLIGHT CHANCE OF  
RAIN THIS AFTERNOON.    
TONIGHT  
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.    
SUN  
NE WINDS 15 TO 20 KT. GUSTS UP TO 30 KT IN THE MORNING. WAVES  
2 TO 3 FT.    
SUN NIGHT...NE WINDS 10 KT  
INCREASING TO 15 TO 20 KT AFTER  
MIDNIGHT. WAVES 2 FT.    
MON  
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
MON NIGHT  
N WINDS 20 TO 25 KT. WAVES 3 FT.    
TUE  
N WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.    
WED  
NE WINDS 20 TO 25 KT. WAVES 3 FT.  
 
 
 
ANZ540-172000-  
EASTERN BAY-  
1058 AM EDT SAT OCT 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A  
CHANCE OF RAIN LATE THIS MORNING, THEN A SLIGHT CHANCE OF RAIN THIS  
AFTERNOON.    
TONIGHT  
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.    
SUN  
NE WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE MORNING. WAVES  
1 TO 2 FT.    
SUN NIGHT  
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
MON  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
MON NIGHT  
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
TUE  
N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.    
WED  
NE WINDS 15 TO 20 KT. WAVES 2 FT.  
 
 
 
ANZ533-172000-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
1058 AM EDT SAT OCT 17 2026  
   
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY...N WINDS 25 KT WITH GUSTS TO 35 KT. WAVES 5 FT  
 
EXCEPT AROUND 3 FT NEAR THE MOUTH OF THE CHOPTANK. RAIN LATE THIS  
MORNING, THEN A CHANCE OF RAIN THIS AFTERNOON.    
TONIGHT  
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 5 FT.    
SUN...NE WINDS 15 TO 20 KT. GUSTS UP TO 30 KT  
DIMINISHING TO  
20 KT IN THE AFTERNOON. WAVES 3 FT.    
SUN NIGHT  
NE WINDS 15 TO 20 KT. GUSTS UP TO 25 KT AFTER MIDNIGHT.  
WAVES 2 TO 3 FT.    
MON  
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.    
MON NIGHT  
N WINDS 20 TO 25 KT. WAVES 4 FT.    
TUE  
N WINDS 20 TO 25 KT. WAVES 3 FT.    
WED  
NE WINDS 20 TO 25 KT. WAVES 4 FT.  
 
 
 
ANZ541-172000-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
1058 AM EDT SAT OCT 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
N WINDS 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. RAIN  
LATE THIS MORNING, THEN A CHANCE OF RAIN THIS AFTERNOON.    
TONIGHT  
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.    
SUN...NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT  
BECOMING N 10 KT  
LATE. WAVES 2 FT.    
SUN NIGHT...NE WINDS 5 TO 10 KT  
INCREASING TO 15 TO 20 KT AFTER  
MIDNIGHT. WAVES 1 TO 2 FT.    
MON  
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
MON NIGHT  
N WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.    
TUE...N WINDS 20 TO 25 KT  
DIMINISHING TO 10 TO 15 KT IN THE  
EVENING, THEN INCREASING TO 20 TO 25 KT AFTER MIDNIGHT. WAVES 2 TO  
3 FT.    
WED  
NE WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.  
 
 
 
ANZ542-172000-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
1058 AM EDT SAT OCT 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 1 FT. RAIN  
LATE THIS MORNING, THEN A CHANCE OF RAIN THIS AFTERNOON.    
TONIGHT  
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 1 FT.    
SUN  
NE WINDS 10 TO 15 KT. GUSTS UP TO 25 KT UNTIL LATE AFTERNOON.  
WAVES 1 FT.    
SUN NIGHT  
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
MON  
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
MON NIGHT  
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
TUE  
N WINDS 10 TO 15 KT. WAVES 1 FT.    
WED  
N WINDS 15 TO 20 KT. WAVES 1 FT.  
 
 
 
ANZ534-172000-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
1058 AM EDT SAT OCT 17 2026  
   
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
N WINDS 25 TO 30 KT. WAVES 5 FT. RAIN.   
TONIGHT  
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 5 FT.    
SUN...NE WINDS 20 TO 25 KT WITH GUSTS TO 35 KT  
BECOMING N 15 KT  
WITH GUSTS TO 20 KT IN THE AFTERNOON. WAVES 5 FT...SUBSIDING TO 3 FT  
IN THE AFTERNOON.    
SUN NIGHT  
NE WINDS 20 TO 25 KT. WAVES 3 FT.    
MON  
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.    
MON NIGHT  
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.    
TUE  
N WINDS 20 TO 25 KT. WAVES 4 FT.    
WED  
NE WINDS 25 TO 30 KT. WAVES 4 FT.  
 
 
 
ANZ543-172000-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
1058 AM EDT SAT OCT 17 2026  
   
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
N WINDS 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.  
RAIN.   
TONIGHT  
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.    
SUN...N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT  
BECOMING NE 15 KT  
WITH GUSTS TO 20 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.    
SUN NIGHT  
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
MON  
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.    
MON NIGHT  
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.    
TUE  
N WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.    
WED  
NE WINDS 20 TO 25 KT. WAVES 3 FT.  
 
 
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