681  
FZUS51 KLWX 080628  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
227 AM EDT WED APR 8 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.  
 
ANZ500-082000-  
227 AM EDT WED APR 8 2026  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
HIGH PRESSURE WILL BUILD TOWARD THE AREA THROUGH WEDNESDAY, BEFORE  
PROGRESSING OFFSHORE ON THURSDAY. THE NEXT COLD FRONT MAY CROSS THE  
WATERS ON SATURDAY BEFORE THE BOUNDARY DISSIPATES TO THE SOUTH.  
 

 
 
ANZ535-082000-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
227 AM EDT WED APR 8 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
 
 
   
OVERNIGHT
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED
 
E WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED NIGHT
 
E WINDS AROUND 5 KT. WAVES 1 FT.    
THU
 
SE WINDS AROUND 5 KT. WAVES 1 FT.    
THU NIGHT
 
SE WINDS AROUND 5 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
N WINDS AROUND 5 KT. WAVES 1 FT.    
SUN
 
SE WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ536-082000-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
227 AM EDT WED APR 8 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
 
 
   
OVERNIGHT
 
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING E 5 KT  
IN THE AFTERNOON. WAVES 1 FT.    
WED NIGHT
 
E WINDS AROUND 5 KT. WAVES 1 FT.    
THU
 
SE WINDS AROUND 5 KT. WAVES 1 FT.    
THU NIGHT
 
SE WINDS AROUND 5 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
NE WINDS AROUND 5 KT. WAVES 1 FT.    
SUN
 
SE WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ537-082000-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
227 AM EDT WED APR 8 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
 
 
   
OVERNIGHT
 
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
WED...NE WINDS 15 TO 20 KT
 
BECOMING E 5 TO 10 KT IN THE  
AFTERNOON. WAVES 1 TO 2 FT.    
WED NIGHT
 
E WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
E WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU NIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT...N WINDS 5 TO 10 KT
 
BECOMING E. WAVES 1 FT.    
SUN
 
SE WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ530-082000-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
227 AM EDT WED APR 8 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
 
 
   
OVERNIGHT
 
NE WINDS 15 TO 20 KT. WAVES 1 FT.    
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING E AROUND  
5 KT IN THE AFTERNOON. WAVES 1 FT OR LESS.    
WED NIGHT
 
SE WINDS AROUND 5 KT. WAVES FLAT.    
THU
 
SE WINDS AROUND 5 KT. WAVES FLAT.    
THU NIGHT
 
SE WINDS AROUND 5 KT. WAVES FLAT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
SUN
 
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 

 
 
ANZ531-082000-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
227 AM EDT WED APR 8 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
 
 
   
OVERNIGHT
 
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
WED...NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
 
DIMINISHING TO  
5 KT IN THE AFTERNOON. WAVES 1 FT.    
WED NIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
SE WINDS 5 KT. WAVES FLAT.    
THU NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN
 
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 

 
 
ANZ538-082000-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
227 AM EDT WED APR 8 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
 
 
   
OVERNIGHT
 
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
WED
 
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
WED NIGHT
 
SE WINDS AROUND 5 KT. WAVES 1 FT.    
THU
 
SE WINDS AROUND 5 KT. WAVES FLAT.    
THU NIGHT
 
S WINDS AROUND 5 KT. WAVES FLAT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
SAT
 
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SUN
 
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 

 
 
ANZ539-082000-  
CHESTER RIVER TO QUEENSTOWN MD-  
227 AM EDT WED APR 8 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
 
 
   
OVERNIGHT
 
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
DIMINISHING TO  
5 KT IN THE AFTERNOON. WAVES 1 FT.    
WED NIGHT
 
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU
 
SE WINDS 5 KT. WAVES FLAT.    
THU NIGHT
 
S WINDS 5 KT. WAVES FLAT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT...N WINDS 5 TO 10 KT
 
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT  
OR LESS.    
SUN
 
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 

 
 
ANZ532-082000-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
227 AM EDT WED APR 8 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
 
 
   
OVERNIGHT
 
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
DIMINISHING TO  
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 KT. WAVES LESS THAN 1 FT.    
THU NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI NIGHT...S WINDS 10 TO 15 KT
 
BECOMING SW 5 TO 10 KT AFTER  
MIDNIGHT. WAVES 1 TO 2 FT.    
SAT...N WINDS 5 TO 10 KT
 
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.    
SUN...SE WINDS 10 TO 15 KT
 
BECOMING S AFTER MIDNIGHT. WAVES 1 TO  
2 FT.  
 

 
 
ANZ540-082000-  
EASTERN BAY-  
227 AM EDT WED APR 8 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
 
 
   
OVERNIGHT
 
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING E 5 KT  
IN THE AFTERNOON. WAVES 1 FT.    
WED NIGHT
 
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
THU
 
SE WINDS 5 KT. WAVES FLAT.    
THU NIGHT
 
S WINDS 5 KT. WAVES FLAT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT...N WINDS 5 TO 10 KT
 
BECOMING E AFTER MIDNIGHT. WAVES 1 FT OR  
LESS.    
SUN
 
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 

 
 
ANZ533-082000-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
227 AM EDT WED APR 8 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
 
 
   
OVERNIGHT
 
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
WED...NE WINDS 15 TO 20 KT
 
DIMINISHING TO 5 TO 10 KT IN THE  
AFTERNOON. WAVES 1 TO 2 FT.    
WED NIGHT
 
E WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI NIGHT...S WINDS 10 TO 15 KT
 
BECOMING SW 5 TO 10 KT AFTER  
MIDNIGHT. WAVES 1 TO 2 FT.    
SAT...N WINDS 5 TO 10 KT
 
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.    
SUN...SE WINDS 10 TO 15 KT
 
BECOMING S AFTER MIDNIGHT. WAVES 1 TO  
2 FT.  
 

 
 
ANZ541-082000-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
227 AM EDT WED APR 8 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
 
 
   
OVERNIGHT
 
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
DIMINISHING TO  
5 KT IN THE AFTERNOON. WAVES 1 FT.    
WED NIGHT
 
E WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
SE WINDS 5 KT. WAVES FLAT.    
THU NIGHT
 
S WINDS AROUND 5 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI NIGHT
 
S WINDS 10 TO 15 KT. WAVES 1 FT.    
SAT...N WINDS 5 TO 10 KT
 
BECOMING E AFTER MIDNIGHT. WAVES 1 FT OR  
LESS.    
SUN...SE WINDS 10 TO 15 KT
 
BECOMING S AFTER MIDNIGHT. WAVES 1 FT  
OR LESS.  
 

 
 
ANZ542-082000-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
227 AM EDT WED APR 8 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
 
 
   
OVERNIGHT
 
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
DIMINISHING TO  
5 KT IN THE AFTERNOON. WAVES 1 FT.    
WED NIGHT
 
E WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU
 
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU NIGHT
 
SE WINDS AROUND 5 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT...N WINDS 5 TO 10 KT
 
BECOMING NE. WAVES 1 FT.    
SUN
 
SE WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ534-082000-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
227 AM EDT WED APR 8 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
 
 
   
OVERNIGHT
 
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
WED...NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
 
DIMINISHING TO  
5 TO 10 KT IN THE AFTERNOON. WAVES 3 FT... SUBSIDING TO 1 FT IN THE  
AFTERNOON.    
WED NIGHT
 
E WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
E WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI NIGHT...S WINDS 10 TO 15 KT
 
BECOMING SW AFTER MIDNIGHT. WAVES  
2 FT.    
SAT...NW WINDS 5 TO 10 KT
 
BECOMING E. WAVES 1 FT.    
SUN...SE WINDS 10 TO 15 KT
 
BECOMING S AFTER MIDNIGHT. WAVES 1 TO  
2 FT.  
 

 
 
ANZ543-082000-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
227 AM EDT WED APR 8 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
 
 
   
OVERNIGHT
 
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
WED...NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
 
DIMINISHING TO  
5 TO 10 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.    
WED NIGHT
 
E WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
THU NIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT...NW WINDS 5 TO 10 KT
 
BECOMING E. WAVES 1 FT OR LESS.    
SUN...SE WINDS 10 TO 15 KT
 
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.  
 
 

 
 
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