933  
FZUS51 KLWX 060000  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
800 PM EDT SUN APR 5 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.  
 
ANZ500-060800-  
800 PM EDT SUN APR 5 2026  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
A REINFORCING COLD FRONT WILL MOVE ACROSS THE WATERS ON TUESDAY  
BEFORE HIGH PRESSURE BUILDS OVERHEAD ON WEDNESDAY. SMALL CRAFT  
ADVISORIES WILL LIKELY BE NEEDED MONDAY AFTERNOON INTO TUESDAY.  
 
 
 
ANZ535-060800-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
800 PM EDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY  
 
   
TONIGHT  
NW WINDS 10 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
MON  
W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
MON NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
TUE NIGHT  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
WED  
E WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED NIGHT  
SE WINDS AROUND 5 KT. WAVES 1 FT.    
THU  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
S WINDS AROUND 5 KT. WAVES 1 FT.  
 
 
 
ANZ536-060800-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
800 PM EDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY  
 
   
TONIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO  
2 FT.    
MON  
W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
MON NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TUE NIGHT  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
WED  
E WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
S WINDS AROUND 5 KT. WAVES 1 FT.  
 
 
 
ANZ537-060800-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
800 PM EDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING  
 
   
TONIGHT...N WINDS 10 KT  
BECOMING NW 20 KT WITH GUSTS TO 25 KT  
LATE THIS EVENING AND OVERNIGHT. WAVES 1 TO 2 FT... BUILDING TO 3 FT  
AFTER MIDNIGHT.    
MON...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT  
BECOMING W 5 KT  
LATE. WAVES 1 TO 2 FT.    
MON NIGHT...SW WINDS 5 TO 10 KT  
BECOMING NW LATE. WAVES 1 FT.    
TUE  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TUE NIGHT  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
WED  
E WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
WED NIGHT  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
S WINDS 5 TO 10 KT. WAVES 1 FT.  
 
 
 
ANZ530-060800-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
800 PM EDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY  
 
   
TONIGHT  
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.    
MON  
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
MON NIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
TUE NIGHT  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
WED  
E WINDS AROUND 5 KT. WAVES 1 FT.    
WED NIGHT  
SE WINDS AROUND 5 KT. WAVES 1 FT.    
THU  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
S WINDS AROUND 5 KT. WAVES 1 FT.  
 
 
 
ANZ531-060800-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
800 PM EDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY  
 
   
TONIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
MON...W WINDS 10 TO 15 KT  
BECOMING 10 KT LATE. GUSTS UP TO 20 KT.  
WAVES 1 TO 2 FT.    
MON NIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TUE NIGHT  
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 TO 2 FT.    
WED  
E WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 
 
 
ANZ538-060800-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
800 PM EDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY  
 
   
TONIGHT  
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
MON  
W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
MON NIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TUE NIGHT  
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
WED  
E WINDS 5 KT. WAVES FLAT.    
WED NIGHT  
SE WINDS 5 KT. WAVES FLAT.    
THU  
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.  
 
 
 
ANZ539-060800-  
CHESTER RIVER TO QUEENSTOWN MD-  
800 PM EDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY  
 
   
TONIGHT...NW WINDS 10 TO 15 KT  
INCREASING TO 20 KT LATE. GUSTS UP  
TO 25 KT. WAVES 2 TO 3 FT.    
MON...NW WINDS 10 TO 15 KT  
BECOMING W 5 TO 10 KT IN THE  
AFTERNOON. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT.    
MON NIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TUE NIGHT  
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
WED  
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
WED NIGHT  
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 
 
 
ANZ532-060800-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
800 PM EDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY  
 
   
TONIGHT...NW WINDS 10 TO 15 KT  
INCREASING TO 20 KT AFTER  
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 FT.    
MON...NW WINDS 10 TO 15 KT  
BECOMING W 5 TO 10 KT IN THE  
AFTERNOON. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT.    
MON NIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
NW WINDS 15 TO 20 KT. WAVES 2 FT.    
TUE NIGHT  
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
WED  
E WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
FRI  
S WINDS 5 TO 10 KT. WAVES 1 FT.  
 
 
 
ANZ540-060800-  
EASTERN BAY-  
800 PM EDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY  
 
   
TONIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO  
2 FT.    
MON...NW WINDS 10 TO 15 KT  
BECOMING SW 5 TO 10 KT IN THE  
AFTERNOON. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT.    
MON NIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TUE NIGHT  
N WINDS 10 TO 15 KT. WAVES 1 FT.    
WED  
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
WED NIGHT  
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 
 
 
ANZ533-060800-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
800 PM EDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING  
 
   
TONIGHT...NW WINDS 10 TO 15 KT  
INCREASING TO 20 KT AFTER  
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 1 TO 2 FT...BUILDING TO 3 FT  
AFTER MIDNIGHT.    
MON...NW WINDS 15 TO 20 KT  
BECOMING W 5 TO 10 KT IN THE  
AFTERNOON. WAVES 3 FT...SUBSIDING TO 1 FT IN THE AFTERNOON.    
MON NIGHT...SW WINDS 5 TO 10 KT  
BECOMING NW LATE. WAVES 1 FT.    
TUE  
NW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.    
TUE NIGHT  
N WINDS 10 TO 15 KT. WAVES 2 FT.    
WED...NE WINDS 10 TO 15 KT  
BECOMING E 5 KT IN THE AFTERNOON.  
WAVES 1 TO 2 FT.    
WED NIGHT  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
FRI  
S WINDS 5 TO 10 KT. WAVES 1 FT.  
 
 
 
ANZ541-060800-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
800 PM EDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING  
 
   
TONIGHT...NW WINDS 10 TO 15 KT  
INCREASING TO 20 KT AFTER  
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 1 TO 2 FT.    
MON...NW WINDS 15 TO 20 KT  
BECOMING SW 5 TO 10 KT IN THE  
AFTERNOON. WAVES 1 TO 2 FT.    
MON NIGHT...SW WINDS 5 TO 10 KT  
BECOMING NW LATE. WAVES 1 FT.    
TUE  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TUE NIGHT  
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
WED...NE WINDS 10 TO 15 KT  
BECOMING E 5 KT IN THE AFTERNOON.  
WAVES 1 FT.    
WED NIGHT  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 
 
 
ANZ542-060800-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
800 PM EDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING  
 
   
TONIGHT...NW WINDS 5 TO 10 KT  
INCREASING TO 15 KT AFTER MIDNIGHT.  
GUSTS UP TO 20 KT. WAVES 1 FT.    
MON  
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES  
1 FT.    
MON NIGHT  
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TUE NIGHT  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
WED  
E WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT  
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
S WINDS AROUND 5 KT. WAVES 1 FT.  
 
 
 
ANZ534-060800-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
800 PM EDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING  
 
   
TONIGHT...N WINDS 10 KT  
BECOMING NW 20 KT WITH GUSTS TO 25 KT  
LATE THIS EVENING AND OVERNIGHT. WAVES 1 FT... BUILDING TO 3 FT LATE  
THIS EVENING AND OVERNIGHT. ISOLATED SHOWERS EARLY THIS EVENING.    
MON...NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT  
BECOMING W 5 TO  
10 KT EARLY IN THE AFTERNOON, THEN BECOMING S LATE. WAVES 2 TO 3 FT.   
MON NIGHT...S WINDS 5 TO 10 KT  
BECOMING NW LATE. WAVES 1 FT.    
TUE  
NW WINDS 15 TO 20 KT. WAVES 3 FT.    
TUE NIGHT  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO  
3 FT.    
WED...NE WINDS 10 TO 15 KT  
BECOMING E 5 TO 10 KT IN THE  
AFTERNOON. WAVES 1 TO 2 FT.    
WED NIGHT  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
S WINDS 5 TO 10 KT. WAVES 1 FT.  
 
 
 
ANZ543-060800-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
800 PM EDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING  
 
   
TONIGHT...N WINDS 10 KT  
BECOMING NW 20 KT WITH GUSTS TO 25 KT  
LATE THIS EVENING AND OVERNIGHT. WAVES 1 TO 2 FT. ISOLATED SHOWERS  
EARLY THIS EVENING.    
MON...NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT  
BECOMING SW 5 TO  
10 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.    
MON NIGHT...S WINDS 5 TO 10 KT  
BECOMING NW LATE. WAVES 1 FT.    
TUE  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TUE NIGHT  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT.    
WED...NE WINDS 10 TO 15 KT  
BECOMING E 5 TO 10 KT IN THE  
AFTERNOON. WAVES 1 FT.    
WED NIGHT  
E WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
S WINDS 5 TO 10 KT. WAVES 1 FT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab VA Page
The Nexlab MD Page
The Nexlab WV Page
Main Text Page