930  
FZUS51 KLWX 271458  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1058 AM EDT SUN SEP 27 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.  
 
ANZ500-272000-  
1058 AM EDT SUN SEP 27 2026  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
A NOR'EASTER WILL MEANDER OFF THE MID ATLANTIC COAST THROUGH TONIGHT  
BEFORE FINALLY DEPARTING TO THE NORTHEAST MONDAY. HIGH PRESSURE  
WILL BUILD INTO THE AREA FOR THE MIDDLE OF THE WEEK. SMALL CRAFT  
ADVISORIES MAY BE NEEDED FOR PORTIONS OF THE WATERS MONDAY.  
 
 
 
ANZ535-272000-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
1058 AM EDT SUN SEP 27 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES  
1 FT. RAIN.   
TONIGHT  
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 FT.    
MON  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON NIGHT  
NW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT  
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.   
WED  
S WINDS AROUND 5 KT. WAVES 1 FT.    
THU  
SW WINDS 5 TO 10 KT. WAVES 1 FT.  
 
 
 
ANZ536-272000-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
1058 AM EDT SUN SEP 27 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A  
CHANCE OF RAIN.    
TONIGHT  
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL EARLY  
MORNING. WAVES 1 TO 2 FT.    
MON  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
MON NIGHT  
NW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT  
SE WINDS AROUND 5 KT. WAVES FLAT.    
WED  
S WINDS AROUND 5 KT. WAVES 1 FT.    
THU  
SW WINDS 5 TO 10 KT. WAVES 1 FT.  
 
 
 
ANZ537-272000-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
1058 AM EDT SUN SEP 27 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A  
CHANCE OF RAIN.    
TONIGHT...NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT  
DIMINISHING  
TO 10 KT WITH GUSTS TO 20 KT LATE. WAVES 2 TO 3 FT.    
MON  
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
MON NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
TUE  
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
TUE NIGHT  
S WINDS AROUND 5 KT. WAVES FLAT.    
WED...SW WINDS AROUND 5 KT  
BECOMING S. WAVES 1 FT OR LESS.    
THU  
SW WINDS 10 TO 15 KT. WAVES 1 FT.  
 
 
 
ANZ530-272000-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
1058 AM EDT SUN SEP 27 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES  
2 FT. RAIN.   
TONIGHT  
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A  
CHANCE OF SHOWERS.    
MON  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
MON NIGHT  
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
TUE  
NW WINDS 5 KT. WAVES FLAT.    
TUE NIGHT  
NW WINDS AROUND 5 KT. WAVES FLAT.    
WED  
SW WINDS AROUND 5 KT. WAVES FLAT.    
THU  
SW WINDS 5 TO 10 KT. WAVES 1 FT.  
 
 
 
ANZ531-272000-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
1058 AM EDT SUN SEP 27 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.  
RAIN.   
TONIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT  
DIMINISHING TO  
20 KT LATE. WAVES 3 FT. A CHANCE OF SHOWERS.    
MON  
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.  
WAVES 2 FT.    
MON NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT  
W WINDS AROUND 5 KT. WAVES FLAT.    
WED  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
THU  
SW WINDS 5 TO 10 KT. WAVES 1 FT.  
 
 
 
ANZ538-272000-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
1058 AM EDT SUN SEP 27 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.  
RAIN.   
TONIGHT  
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT UNTIL EARLY  
MORNING. WAVES 1 TO 2 FT.    
MON  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
MON NIGHT  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE  
NW WINDS 5 KT. WAVES FLAT.    
TUE NIGHT  
NW WINDS AROUND 5 KT. WAVES FLAT.    
WED  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
THU  
SW WINDS 5 KT. WAVES LESS THAN 1 FT.  
 
 
 
ANZ539-272000-  
CHESTER RIVER TO QUEENSTOWN MD-  
1058 AM EDT SUN SEP 27 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.  
RAIN.   
TONIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT  
DIMINISHING TO  
20 KT LATE. WAVES 3 FT. A CHANCE OF SHOWERS.    
MON  
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.  
WAVES 2 FT.    
MON NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
TUE  
NW WINDS 5 KT. WAVES FLAT.    
TUE NIGHT  
W WINDS AROUND 5 KT. WAVES FLAT.    
WED  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
THU  
SW WINDS 5 TO 10 KT. WAVES 1 FT.  
 
 
 
ANZ532-272000-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
1058 AM EDT SUN SEP 27 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.  
RAIN.   
TONIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT  
DIMINISHING TO  
20 KT LATE. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.    
MON  
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.  
WAVES 2 FT.    
MON NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT  
W WINDS AROUND 5 KT. WAVES FLAT.    
WED...NW WINDS AROUND 5 KT  
BECOMING S. WAVES 1 FT OR LESS.    
THU  
SW WINDS 5 TO 10 KT. WAVES 1 FT.  
 
 
 
ANZ540-272000-  
EASTERN BAY-  
1058 AM EDT SUN SEP 27 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO  
3 FT. RAIN.   
TONIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT  
DIMINISHING TO  
20 KT LATE. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.    
MON  
NW WINDS 10 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON. WAVES  
1 TO 2 FT.    
MON NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
TUE  
NW WINDS 5 KT. WAVES FLAT.    
TUE NIGHT  
W WINDS AROUND 5 KT. WAVES FLAT.    
WED...W WINDS 5 KT  
BECOMING S. WAVES 1 FT OR LESS.    
THU  
SW WINDS 5 TO 10 KT. WAVES 1 FT.  
 
 
 
ANZ533-272000-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
1058 AM EDT SUN SEP 27 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.  
RAIN.   
TONIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT  
DIMINISHING TO  
20 KT LATE. WAVES 3 FT.    
MON  
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.  
WAVES 2 FT.    
MON NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT  
W WINDS AROUND 5 KT. WAVES FLAT.    
WED...NW WINDS 5 KT  
BECOMING S. WAVES 1 FT OR LESS.    
THU  
SW WINDS 10 TO 15 KT. WAVES 1 FT.  
 
 
 
ANZ541-272000-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
1058 AM EDT SUN SEP 27 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.  
RAIN.   
TONIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT  
DIMINISHING TO  
20 KT LATE. WAVES 3 FT. A CHANCE OF SHOWERS.    
MON  
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.  
WAVES 2 FT.    
MON NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT  
W WINDS AROUND 5 KT. WAVES FLAT.    
WED...SW WINDS 5 TO 10 KT  
BECOMING S. WAVES 1 FT OR LESS.    
THU  
SW WINDS 10 TO 15 KT. WAVES 1 FT.  
 
 
 
ANZ542-272000-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
1058 AM EDT SUN SEP 27 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.  
RAIN LIKELY.    
TONIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
MON  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
MON NIGHT  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT  
S WINDS AROUND 5 KT. WAVES FLAT.    
WED...W WINDS 5 KT  
BECOMING S. WAVES 1 FT.    
THU  
SW WINDS 5 TO 10 KT. WAVES 1 FT.  
 
 
 
ANZ534-272000-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
1058 AM EDT SUN SEP 27 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT.  
RAIN LIKELY LATE THIS MORNING, THEN A CHANCE OF RAIN THIS AFTERNOON.   
TONIGHT  
NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT. WAVES 3 FT.    
MON  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.    
MON NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
TUE  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT  
SW WINDS AROUND 5 KT. WAVES FLAT.    
WED...S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS  
BUILDING TO 2 FT.    
THU  
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.  
 
 
 
ANZ543-272000-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
1058 AM EDT SUN SEP 27 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES  
3 FT. RAIN LIKELY LATE THIS MORNING, THEN A CHANCE OF RAIN THIS  
AFTERNOON.    
TONIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO  
3 FT.    
MON  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
MON NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT  
SW WINDS AROUND 5 KT. WAVES FLAT.    
WED...SW WINDS 5 TO 10 KT  
BECOMING S. WAVES 1 FT OR LESS.    
THU  
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.  
 
 
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