983   
FZUS51 KLWX 131157  
CWFLWX  
  
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
757 AM EDT MON JUL 13 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.  
  
ANZ500-132000-  
757 AM EDT MON JUL 13 2026  
  
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
  
HIGH PRESSURE WILL GRADUALLY BUILD IN FROM THE NORTH THROUGH   
TUESDAY. A PERIOD OF SOUTHERLY CHANNELING MAY RESULT IN BRIEF SMALL   
CRAFT CONDITIONS TUESDAY AFTERNOON AND EVENING.   
  
  
  
ANZ535-132000-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
757 AM EDT MON JUL 13 2026  
   
TODAY  
E WINDS 5 KT. WAVES LESS THAN 1 FT.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
TUE  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
TUE NIGHT  
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
W WINDS AROUND 5 KT. WAVES 1 FT.    
  
  
  
ANZ536-132000-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
757 AM EDT MON JUL 13 2026  
   
TODAY  
E WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT...SE WINDS 5 TO 10 KT UNTIL EARLY MORNING  
 BECOMING  
LIGHT. WAVES 1 FT.    
TUE  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
TUE NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED  
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED NIGHT  
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU  
NW WINDS AROUND 5 KT. WAVES 1 FT.    
FRI  
W WINDS AROUND 5 KT. WAVES 1 FT.    
  
  
  
ANZ537-132000-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
757 AM EDT MON JUL 13 2026  
   
TODAY  
E WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
TONIGHT  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE...E WINDS AROUND 5 KT  
BECOMING SE LATE. WAVES 1 FT OR LESS.    
TUE NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
FRI...N WINDS 5 KT  
BECOMING S. WAVES 1 FT.    
  
  
  
ANZ530-132000-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
757 AM EDT MON JUL 13 2026  
   
TODAY  
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
TONIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT  
SW WINDS 10 TO 15 KT. WAVES 1 FT.    
WED  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
  
  
  
ANZ531-132000-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
757 AM EDT MON JUL 13 2026  
   
TODAY  
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
TONIGHT...S WINDS 5 TO 10 KT  
BECOMING SW LATE. WAVES 1 FT.    
TUE  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT  
SW WINDS 10 TO 15 KT. WAVES 2 FT.    
WED  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI...NW WINDS 5 TO 10 KT  
BECOMING SW. WAVES 1 FT.    
  
  
  
ANZ538-132000-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
757 AM EDT MON JUL 13 2026  
   
TODAY  
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
TONIGHT  
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE  
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
TUE NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI...NW WINDS 5 TO 10 KT  
BECOMING SW. WAVES 1 FT OR LESS.    
  
  
  
ANZ539-132000-  
CHESTER RIVER TO QUEENSTOWN MD-  
757 AM EDT MON JUL 13 2026  
   
TODAY  
SE WINDS 5 KT. WAVES FLAT.    
TONIGHT  
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE  
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
TUE NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI  
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
  
  
  
ANZ532-132000-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
757 AM EDT MON JUL 13 2026  
   
TODAY  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
TUE NIGHT  
SW WINDS 10 KT. WAVES 2 FT.    
WED  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI...NE WINDS 5 KT  
BECOMING S. WAVES 1 FT.    
  
  
  
ANZ540-132000-  
EASTERN BAY-  
757 AM EDT MON JUL 13 2026  
   
TODAY  
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT.    
TUE  
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
TUE NIGHT  
SW WINDS 10 KT. WAVES 1 FT.    
WED  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI  
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
  
  
  
ANZ533-132000-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
757 AM EDT MON JUL 13 2026  
   
TODAY  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE...SW WINDS AROUND 5 KT  
BECOMING S LATE. WAVES 1 FT OR LESS.    
TUE NIGHT  
SW WINDS 10 KT. WAVES 1 TO 2 FT.    
WED  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI...NE WINDS 5 TO 10 KT  
BECOMING S. WAVES 1 FT.    
  
  
  
ANZ541-132000-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
757 AM EDT MON JUL 13 2026  
   
TODAY  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
TUE NIGHT  
SW WINDS 10 TO 15 KT. WAVES 1 FT.    
WED  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI...N WINDS 5 KT  
BECOMING S. WAVES 1 FT.    
  
  
  
ANZ542-132000-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
757 AM EDT MON JUL 13 2026  
   
TODAY  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT...SE WINDS 5 TO 10 KT UNTIL EARLY MORNING  
 BECOMING  
LIGHT. WAVES 1 FT.    
TUE...SW WINDS AROUND 5 KT  
BECOMING S LATE. WAVES 1 FT OR LESS.    
TUE NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
NW WINDS AROUND 5 KT. WAVES 1 FT.    
FRI  
E WINDS 5 KT. WAVES LESS THAN 1 FT.    
  
  
  
ANZ534-132000-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
757 AM EDT MON JUL 13 2026  
   
TODAY  
E WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
TONIGHT  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE...E WINDS AROUND 5 KT  
BECOMING S LATE. WAVES 1 FT OR LESS.    
TUE NIGHT  
SW WINDS 10 TO 15 KT. WAVES 2 FT.    
WED  
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
WED NIGHT...SW WINDS 10 TO 15 KT  
BECOMING W 5 TO 10 KT AFTER  
MIDNIGHT. WAVES 2 FT.    
THU...NW WINDS 5 TO 10 KT  
BECOMING SW IN THE AFTERNOON AND  
EVENING, THEN BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.    
FRI...N WINDS 5 TO 10 KT  
BECOMING S. WAVES 1 FT.    
  
  
  
ANZ543-132000-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
757 AM EDT MON JUL 13 2026  
   
TODAY  
E WINDS 10 KT. WAVES 1 FT.    
TONIGHT  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE...SE WINDS AROUND 5 KT  
BECOMING SW LATE. WAVES 1 FT OR LESS.    
TUE NIGHT  
SW WINDS 10 TO 15 KT. WAVES 1 FT.    
WED  
SW WINDS 10 TO 15 KT. WAVES 1 FT.    
WED NIGHT  
SW WINDS 10 TO 15 KT. WAVES 1 FT.    
THU  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI...NW WINDS 5 TO 10 KT  
BECOMING S. WAVES 1 FT.    
  
  
 
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