495  
FZUS51 KLWX 041134  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
634 AM EST TUE NOV 4 2025  
 
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.  
 
ANZ500-042100-  
634 AM EST TUE NOV 4 2025  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
A WARM FRONT WILL LIFT ACROSS THE WATERS OVERNIGHT. A STRONGER COLD  
FRONT WILL CROSS THE WATERS WEDNESDAY NIGHT, WITH HIGH PRESSURE  
RETURNING THURSDAY INTO FRIDAY. ANOTHER COLD FRONT WILL LIKELY CROSS  
THIS WEEKEND. SMALL CRAFT ADVISORIES WILL LIKELY BE NEEDED  
WEDNESDAY INTO THURSDAY.  
 

 
 
ANZ535-042100-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
634 AM EST TUE NOV 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
 
 
   
TODAY
 
W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TONIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FT.    
WED
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
WED NIGHT...W WINDS 10 TO 15 KT
 
BECOMING NW AFTER MIDNIGHT. GUSTS  
UP TO 20 KT. WAVES 1 FT.    
THU
 
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
THU NIGHT
 
E WINDS AROUND 5 KT. WAVES 1 FT.    
FRI
 
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN IN THE  
EVENING. RAIN LIKELY AFTER MIDNIGHT.    
SAT
 
W WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ536-042100-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
634 AM EST TUE NOV 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
 
 
   
TODAY
 
W WINDS 10 KT. WAVES 1 FT.    
TONIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FT.    
WED
 
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.    
WED NIGHT...W WINDS 15 TO 20 KT
 
BECOMING NW AFTER MIDNIGHT. GUSTS  
UP TO 25 KT. WAVES 2 FT.    
THU
 
NW WINDS 10 TO 15 KT. WAVES 1 FT.    
THU NIGHT
 
E WINDS AROUND 5 KT. WAVES 1 FT.    
FRI
 
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN IN THE  
EVENING. RAIN LIKELY AFTER MIDNIGHT.    
SAT
 
W WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ537-042100-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
634 AM EST TUE NOV 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
 
 
   
TODAY
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TONIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
WED NIGHT...SW WINDS 15 TO 20 KT
 
BECOMING NW AFTER MIDNIGHT.  
GUSTS UP TO 25 KT. WAVES 2 TO 3 FT.    
THU
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
THU NIGHT...N WINDS AROUND 5 KT
 
BECOMING S AFTER MIDNIGHT. WAVES  
1 FT.    
FRI
 
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN IN THE  
EVENING. RAIN LIKELY AFTER MIDNIGHT.    
SAT...W WINDS 10 TO 15 KT
 
DIMINISHING TO 5 TO 10 KT IN THE  
AFTERNOON AND EVENING, THEN BECOMING S AFTER MIDNIGHT. WAVES 1 TO  
2 FT.  
 

 
 
ANZ530-042100-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
634 AM EST TUE NOV 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
 
 
   
TODAY
 
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TONIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE MORNING  
AND AFTERNOON. WAVES 1 TO 2 FT.    
WED NIGHT...W WINDS 20 TO 25 KT
 
BECOMING NW AFTER MIDNIGHT. WAVES  
2 FT.    
THU
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
THU NIGHT
 
NE WINDS AROUND 5 KT. WAVES 1 FT.    
FRI
 
S WINDS 20 TO 25 KT. WAVES 1 TO 2 FT. RAIN LIKELY THROUGH THE  
NIGHT.    
SAT...W WINDS 10 TO 15 KT
 
DIMINISHING TO 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ531-042100-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
634 AM EST TUE NOV 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
 
 
   
TODAY
 
W WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TONIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 2 FT.    
WED NIGHT...W WINDS 20 TO 25 KT
 
BECOMING NW AFTER MIDNIGHT. WAVES  
3 FT.    
THU
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
THU NIGHT...N WINDS AROUND 5 KT
 
BECOMING SE AFTER MIDNIGHT. WAVES  
1 FT.    
FRI
 
S WINDS 20 TO 25 KT. WAVES 2 TO 3 FT. RAIN LIKELY THROUGH THE  
NIGHT.    
SAT...W WINDS 10 TO 15 KT
 
BECOMING NW 5 TO 10 KT IN THE EVENING,  
THEN BECOMING S AFTER MIDNIGHT. WAVES 1 TO 2 FT.  
 

 
 
ANZ538-042100-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
634 AM EST TUE NOV 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
 
 
   
TODAY
 
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TONIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
WED
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
WED NIGHT...W WINDS 10 TO 15 KT
 
BECOMING NW AFTER MIDNIGHT. GUSTS  
UP TO 20 KT. WAVES 1 FT.    
THU
 
NW WINDS 10 TO 15 KT. WAVES 1 FT.    
THU NIGHT
 
NE WINDS AROUND 5 KT. WAVES FLAT.    
FRI
 
S WINDS 10 TO 15 KT. WAVES 1 FT. RAIN LIKELY THROUGH THE  
NIGHT.    
SAT
 
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 

 
 
ANZ539-042100-  
CHESTER RIVER TO QUEENSTOWN MD-  
634 AM EST TUE NOV 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
 
 
   
TODAY
 
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TONIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 2 FT.    
WED NIGHT...W WINDS 15 TO 20 KT
 
BECOMING NW AFTER MIDNIGHT. GUSTS  
UP TO 25 KT. WAVES 3 FT.    
THU
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
THU NIGHT...N WINDS AROUND 5 KT
 
BECOMING SE AFTER MIDNIGHT. WAVES  
1 FT.    
FRI
 
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF RAIN IN THE  
EVENING. RAIN LIKELY AFTER MIDNIGHT.    
SAT...W WINDS 10 TO 15 KT
 
BECOMING NW 5 KT IN THE EVENING, THEN  
BECOMING S AFTER MIDNIGHT. WAVES 1 TO 2 FT.  
 

 
 
ANZ532-042100-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
634 AM EST TUE NOV 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
 
 
   
TODAY
 
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TONIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.    
WED NIGHT...SW WINDS 20 TO 25 KT
 
BECOMING NW AFTER MIDNIGHT.  
WAVES 3 FT.    
THU
 
NW WINDS 15 TO 20 KT. WAVES 2 FT.    
THU NIGHT...NW WINDS 5 KT
 
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.   
FRI...S WINDS 20 TO 25 KT. WAVES 2 FT
 
BUILDING TO 4 FT. A CHANCE  
OF RAIN IN THE EVENING. RAIN LIKELY AFTER MIDNIGHT.    
SAT...W WINDS 10 TO 15 KT
 
BECOMING NW IN THE AFTERNOON AND  
EVENING, THEN BECOMING S 5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.  
 
 

 
 
ANZ540-042100-  
EASTERN BAY-  
634 AM EST TUE NOV 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
 
 
   
TODAY
 
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
TONIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
WED NIGHT...SW WINDS 15 TO 20 KT
 
BECOMING NW AFTER MIDNIGHT.  
GUSTS UP TO 25 KT. WAVES 2 FT.    
THU
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
THU NIGHT...N WINDS AROUND 5 KT
 
BECOMING SE AFTER MIDNIGHT. WAVES  
1 FT.    
FRI
 
S WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF RAIN IN THE  
EVENING. RAIN LIKELY AFTER MIDNIGHT.    
SAT...W WINDS 10 TO 15 KT
 
BECOMING NW 5 TO 10 KT IN THE AFTERNOON  
AND EVENING, THEN BECOMING S AFTER MIDNIGHT. WAVES 1 TO 2 FT.  
 

 
 
ANZ533-042100-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
634 AM EST TUE NOV 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
 
 
   
TODAY
 
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TONIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
SW WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.    
WED NIGHT...SW WINDS 20 TO 25 KT
 
BECOMING NW AFTER MIDNIGHT.  
GUSTS UP TO 30 KT. WAVES 3 FT.    
THU
 
NW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.    
THU NIGHT...N WINDS 5 KT
 
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.    
FRI...S WINDS 10 TO 15 KT...INCREASING TO 20 TO 25 KT. WAVES 2 FT
 
 
BUILDING TO 4 FT. A CHANCE OF RAIN IN THE EVENING. RAIN LIKELY AFTER  
MIDNIGHT.    
SAT...W WINDS 10 TO 15 KT
 
BECOMING NW IN THE AFTERNOON AND  
EVENING, THEN BECOMING S AFTER MIDNIGHT. WAVES 1 TO 2 FT.  
 

 
 
ANZ541-042100-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
634 AM EST TUE NOV 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
 
 
   
TODAY
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TONIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED...S WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
 
INCREASING TO 25 KT  
IN THE AFTERNOON. WAVES 2 TO 3 FT.    
WED NIGHT...SW WINDS 20 TO 25 KT
 
BECOMING NW AFTER MIDNIGHT.  
WAVES 3 FT.    
THU
 
NW WINDS 15 TO 20 KT. WAVES 2 FT.    
THU NIGHT...N WINDS AROUND 5 KT
 
BECOMING SE AFTER MIDNIGHT. WAVES  
1 FT.    
FRI
 
S WINDS 20 TO 25 KT. WAVES 2 TO 3 FT. A CHANCE OF RAIN IN THE  
EVENING. RAIN LIKELY AFTER MIDNIGHT.    
SAT...SW WINDS 10 TO 15 KT
 
BECOMING NW 5 TO 10 KT IN THE  
AFTERNOON AND EVENING, THEN BECOMING S AFTER MIDNIGHT. WAVES 1 TO  
2 FT.  
 

 
 
ANZ542-042100-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
634 AM EST TUE NOV 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
 
 
   
TODAY
 
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TONIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
WED NIGHT...SW WINDS 10 TO 15 KT
 
BECOMING NW AFTER MIDNIGHT.  
GUSTS UP TO 25 KT. WAVES 1 FT.    
THU
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
NE WINDS AROUND 5 KT. WAVES 1 FT.    
FRI
 
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE  
EVENING. RAIN LIKELY AFTER MIDNIGHT.    
SAT
 
W WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ534-042100-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
634 AM EST TUE NOV 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
 
 
   
TODAY...NW WINDS 15 TO 20 KT
 
BECOMING W 10 KT LATE. GUSTS UP TO  
25 KT. WAVES 3 FT...SUBSIDING TO 2 FT LATE.    
TONIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
SW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.    
WED NIGHT...SW WINDS 20 TO 25 KT
 
BECOMING NW AFTER MIDNIGHT.  
GUSTS UP TO 30 KT. WAVES 4 FT.    
THU
 
NW WINDS 15 TO 20 KT. WAVES 3 FT.    
THU NIGHT...N WINDS 5 TO 10 KT
 
BECOMING SE AFTER MIDNIGHT. WAVES  
1 FT.    
FRI...S WINDS 20 TO 25 KT. WAVES 2 TO 3 FT
 
BUILDING TO 4 FT. A  
CHANCE OF RAIN IN THE EVENING. RAIN LIKELY AFTER MIDNIGHT.    
SAT...SW WINDS 10 TO 15 KT
 
BECOMING NW 5 TO 10 KT IN THE  
AFTERNOON AND EVENING, THEN BECOMING S AFTER MIDNIGHT. WAVES 2 TO  
3 FT...SUBSIDING TO 1 FT.  
 

 
 
ANZ543-042100-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
634 AM EST TUE NOV 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
 
 
   
TODAY
 
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.    
TONIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
SW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.    
WED NIGHT...SW WINDS 20 TO 25 KT
 
BECOMING NW AFTER MIDNIGHT.  
GUSTS UP TO 30 KT. WAVES 3 FT.    
THU
 
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
THU NIGHT...N WINDS 5 TO 10 KT
 
BECOMING SE AFTER MIDNIGHT. WAVES  
1 FT.    
FRI
 
S WINDS 20 TO 25 KT. WAVES 2 TO 3 FT. A CHANCE OF RAIN AFTER  
MIDNIGHT.    
SAT...SW WINDS 15 TO 20 KT
 
BECOMING W 5 TO 10 KT. WAVES 1 TO  
2 FT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab VA Page
The Nexlab MD Page
The Nexlab WV Page Main Text Page