996  
FZUS51 KLWX 100259  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
958 PM EST FRI JAN 9 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.  
 
ANZ500-100900-  
958 PM EST FRI JAN 9 2026  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
A WARM FRONT STALLED ACROSS THE AREA THROUGH THIS EVENING WILL BE  
OVERTAKEN BY A COLD FRONT LATER TONIGHT. THIS FRONT WILL STALL  
OVERHEAD AS LOW PRESSURE TRACKS ALONG IT ON SATURDAY. A PAIR OF COLD  
FRONTS WILL PUSH THROUGH SATURDAY NIGHT INTO SUNDAY. SMALL CRAFT  
ADVISORIES MAY BE NEEDED FOR PORTIONS OF THE WATERS SATURDAY  
AFTERNOON AND EVENING. SMALL CRAFT ADVISORIES ARE LIKELY SUNDAY INTO  
MONDAY, WITH GALE FORCE GUSTS POSSIBLE SUNDAY AFTERNOON AND  
EVENING.  
 

 
 
ANZ535-100900-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
958 PM EST FRI JAN 9 2026  
   
REST OF TONIGHT...SW WINDS 10 KT
 
BECOMING N. WAVES 1 FT. A CHANCE  
OF RAIN.    
SAT
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN. VSBY 1 TO 3 NM.    
SAT NIGHT...NW WINDS AROUND 5 KT
 
INCREASING TO 5 TO 10 KT LATE.  
WAVES 1 FT. RAIN.   
SUN...W WINDS 15 TO 20 KT. GUSTS UP TO 25 KT
 
INCREASING TO 35 KT  
IN THE AFTERNOON. WAVES 1 TO 2 FT. A CHANCE OF RAIN.    
SUN NIGHT...NW WINDS 10 TO 15 KT. GUSTS UP TO 30 KT
 
DIMINISHING  
TO 20 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.    
MON
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
MON NIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED...SW WINDS 5 TO 10 KT
 
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.  
 
 

 
 
ANZ536-100900-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
958 PM EST FRI JAN 9 2026  
   
REST OF TONIGHT...SW WINDS 10 KT
 
BECOMING NW. WAVES 1 FT. A  
SLIGHT CHANCE OF RAIN LATE THIS EVENING, THEN A CHANCE OF RAIN WITH  
VSBY 1 TO 3 NM.    
SAT
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN. VSBY 1 TO 3 NM.    
SAT NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. RAIN.   
SUN...NW WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
 
INCREASING TO  
35 KT IN THE AFTERNOON. WAVES 1 FT...BUILDING TO 3 FT IN THE  
AFTERNOON. A CHANCE OF RAIN.    
SUN NIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
 
DIMINISHING  
TO 20 KT AFTER MIDNIGHT. WAVES 3 FT... SUBSIDING TO 1 FT AFTER  
MIDNIGHT.    
MON
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE...SW WINDS 5 TO 10 KT
 
INCREASING TO 15 TO 20 KT. WAVES 1 FT.    
WED...SW WINDS 5 TO 10 KT
 
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.  
 
 

 
 
ANZ537-100900-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
958 PM EST FRI JAN 9 2026  
   
REST OF TONIGHT...SW WINDS 10 KT
 
BECOMING N LATE. WAVES 1 FT. A  
CHANCE OF RAIN LATE THIS EVENING, THEN RAIN LIKELY WITH VSBY 1 TO  
3 NM.    
SAT...NE WINDS 5 TO 10 KT
 
BECOMING SE LATE. WAVES 1 FT. RAIN.  
VSBY 1 TO 3 NM.    
SAT NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.    
SUN...NW WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
 
INCREASING TO  
30 KT IN THE AFTERNOON. WAVES 2 TO 3 FT. RAIN LIKELY.    
SUN NIGHT...NW WINDS 20 TO 25 KT. GUSTS UP TO 35 KT
 
DIMINISHING  
TO 25 KT AFTER MIDNIGHT. WAVES 3 FT.    
MON...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING W 5 TO  
10 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.    
WED...SW WINDS 10 TO 15 KT
 
BECOMING W 5 TO 10 KT AFTER MIDNIGHT.  
WAVES 1 TO 2 FT.  
 

 
 
ANZ530-100900-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
958 PM EST FRI JAN 9 2026  
   
REST OF TONIGHT...SW WINDS 10 KT
 
BECOMING NW. WAVES 1 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.    
SAT NIGHT...NE WINDS 5 KT
 
BECOMING W AFTER MIDNIGHT. WAVES 1 FT.  
RAIN. VSBY 1 TO 3 NM.    
SUN...W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
INCREASING TO  
20 TO 25 KT WITH GUSTS TO 30 KT IN THE AFTERNOON. WAVES 1 TO 2 FT. A  
CHANCE OF RAIN.    
SUN NIGHT...W WINDS 15 TO 20 KT. GUSTS UP TO 35 KT
 
DIMINISHING  
TO 25 KT AFTER MIDNIGHT. WAVES 2 FT.    
MON
 
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
SW WINDS 10 TO 15 KT. WAVES 1 FT.    
WED...SW WINDS 5 TO 10 KT
 
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.  
 
 

 
 
ANZ531-100900-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
958 PM EST FRI JAN 9 2026  
   
REST OF TONIGHT...SW WINDS 10 KT
 
BECOMING NW. WAVES 1 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.    
SAT NIGHT...N WINDS 5 TO 10 KT
 
BECOMING W 10 TO 15 KT AFTER  
MIDNIGHT. WAVES 1 FT. RAIN.   
SUN...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING W 20 TO  
25 KT WITH GUSTS TO 30 KT IN THE AFTERNOON. WAVES 2 TO 3 FT. A  
CHANCE OF RAIN.    
SUN NIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 35 KT
 
DIMINISHING  
TO 25 KT AFTER MIDNIGHT. WAVES 3 FT.    
MON
 
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
WED...SW WINDS 10 TO 15 KT
 
BECOMING W 5 TO 10 KT. WAVES 1 TO  
2 FT.  
 

 
 
ANZ538-100900-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
958 PM EST FRI JAN 9 2026  
   
REST OF TONIGHT
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
SAT
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN. VSBY 1 TO 3 NM.    
SAT NIGHT...NW WINDS AROUND 5 KT
 
BECOMING W LATE. WAVES 1 FT OR  
LESS. RAIN.   
SUN...W WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
 
INCREASING TO 30 KT  
IN THE AFTERNOON. WAVES 1 TO 2 FT. A CHANCE OF RAIN.    
SUN NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 1 TO  
2 FT.    
MON
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
MON NIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
WED
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.  
 

 
 
ANZ539-100900-  
CHESTER RIVER TO QUEENSTOWN MD-  
958 PM EST FRI JAN 9 2026  
   
REST OF TONIGHT...SW WINDS 10 KT
 
BECOMING NW. WAVES 1 FT. A  
SLIGHT CHANCE OF RAIN.    
SAT
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN. VSBY 1 TO 3 NM.    
SAT NIGHT...N WINDS 5 KT
 
BECOMING W AFTER MIDNIGHT. WAVES 1 FT.  
RAIN.   
SUN...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING W 20 TO  
25 KT WITH GUSTS TO 30 KT IN THE AFTERNOON. WAVES 2 FT...BUILDING TO  
4 FT IN THE AFTERNOON. A CHANCE OF RAIN.    
SUN NIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 35 KT
 
DIMINISHING  
TO 25 KT AFTER MIDNIGHT. WAVES 3 FT.    
MON
 
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
WED...SW WINDS 5 TO 10 KT
 
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.  
 
 

 
 
ANZ532-100900-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
958 PM EST FRI JAN 9 2026  
   
REST OF TONIGHT...SW WINDS 10 KT
 
BECOMING N LATE. WAVES 1 FT. A  
SLIGHT CHANCE OF RAIN LATE THIS EVENING, THEN A CHANCE OF RAIN.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.    
SAT NIGHT...N WINDS 5 TO 10 KT
 
BECOMING W 10 TO 15 KT AFTER  
MIDNIGHT. WAVES 1 FT. RAIN.   
SUN...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING W 20 TO  
25 KT WITH GUSTS TO 30 KT IN THE AFTERNOON. WAVES 2 TO 3 FT. A  
CHANCE OF RAIN.    
SUN NIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 35 KT
 
DIMINISHING  
TO 25 KT AFTER MIDNIGHT. WAVES 3 FT.    
MON
 
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE...SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT
 
BUILDING TO 3 FT.    
WED...SW WINDS 10 TO 15 KT
 
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT.  
WAVES 1 TO 2 FT.  
 

 
 
ANZ540-100900-  
EASTERN BAY-  
958 PM EST FRI JAN 9 2026  
   
REST OF TONIGHT...SW WINDS 10 KT
 
BECOMING NW. WAVES 1 FT OR LESS.  
A CHANCE OF RAIN.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.    
SAT NIGHT...E WINDS 5 TO 10 KT
 
BECOMING NW 10 TO 15 KT IN THE  
LATE EVENING AND OVERNIGHT. WAVES 1 FT. RAIN.   
SUN...NW WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
 
INCREASING TO  
30 KT IN THE AFTERNOON. WAVES 2 TO 3 FT. A CHANCE OF RAIN.    
SUN NIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 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
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
WED...SW WINDS 10 TO 15 KT
 
BECOMING W 5 TO 10 KT. WAVES 1 TO  
2 FT.  
 

 
 
ANZ533-100900-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
958 PM EST FRI JAN 9 2026  
   
REST OF TONIGHT...SW WINDS 10 KT
 
BECOMING N LATE. WAVES 1 FT. A  
SLIGHT CHANCE OF RAIN LATE THIS EVENING, THEN A CHANCE OF RAIN WITH  
VSBY 1 TO 3 NM.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.    
SAT NIGHT
 
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. RAIN. VSBY 1 TO  
3 NM.    
SUN...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING W 20 TO  
25 KT WITH GUSTS TO 30 KT IN THE AFTERNOON. WAVES 2 FT...BUILDING TO  
4 FT IN THE AFTERNOON.    
SUN NIGHT...NW WINDS 20 TO 25 KT. GUSTS UP TO 35 KT
 
DIMINISHING  
TO 25 KT AFTER MIDNIGHT. WAVES 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
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE...SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT
 
BUILDING TO 3 FT.    
WED...SW WINDS 10 TO 15 KT
 
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT.  
WAVES 1 TO 2 FT.  
 

 
 
ANZ541-100900-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
958 PM EST FRI JAN 9 2026  
   
REST OF TONIGHT...SW WINDS 10 KT
 
BECOMING N LATE. WAVES 1 FT. A  
SLIGHT CHANCE OF RAIN LATE THIS EVENING, THEN A CHANCE OF RAIN.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.    
SAT NIGHT...W WINDS 5 TO 10 KT
 
BECOMING NW 10 TO 15 KT LATE.  
WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.    
SUN...NW WINDS 15 KT WITH GUSTS TO 20 KT
 
BECOMING W 20 TO 25 KT  
WITH GUSTS TO 30 KT IN THE AFTERNOON. WAVES 2 TO 3 FT. RAIN LIKELY.    
SUN NIGHT...NW WINDS 20 TO 25 KT. GUSTS UP TO 35 KT
 
DIMINISHING  
TO 25 KT AFTER MIDNIGHT. WAVES 3 FT.    
MON
 
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.    
WED...SW WINDS 10 TO 15 KT
 
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT.  
WAVES 1 TO 2 FT.  
 

 
 
ANZ542-100900-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
958 PM EST FRI JAN 9 2026  
   
REST OF TONIGHT
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF  
RAIN LATE THIS EVENING, THEN RAIN LIKELY WITH VSBY 1 TO 3 NM.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.    
SAT NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.    
SUN...NW WINDS 10 KT WITH GUSTS TO 20 KT
 
BECOMING W 15 TO 20 KT  
WITH GUSTS TO 30 KT IN THE AFTERNOON. WAVES 1 FT. RAIN LIKELY.    
SUN NIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
 
DIMINISHING  
TO 20 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.    
MON
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
SW WINDS 10 TO 15 KT. WAVES 1 FT.    
WED
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ534-100900-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
958 PM EST FRI JAN 9 2026  
   
REST OF TONIGHT...SW WINDS 10 KT
 
BECOMING NW LATE. WAVES 1 TO  
2 FT. RAIN. VSBY 1 TO 3 NM.    
SAT...NE WINDS 5 TO 10 KT
 
BECOMING SE LATE. WAVES 1 TO 2 FT.  
RAIN. VSBY 1 TO 3 NM.    
SAT NIGHT...S WINDS 10 TO 15 KT
 
BECOMING NW LATE. WAVES 2 FT.  
RAIN. VSBY 1 TO 3 NM.    
SUN...NW WINDS 15 KT WITH GUSTS TO 20 KT
 
BECOMING W 20 TO 25 KT  
WITH GUSTS TO 30 KT IN THE AFTERNOON. WAVES 2 FT...BUILDING TO 4 FT  
IN THE AFTERNOON. RAIN.   
SUN NIGHT
 
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT.    
MON...NW WINDS 15 TO 20 KT
 
BECOMING W 5 TO 10 KT IN THE  
AFTERNOON. WAVES 2 TO 3 FT.    
MON NIGHT
 
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
TUE...SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT
 
BUILDING TO 3 FT.    
WED...SW WINDS 10 TO 15 KT
 
BECOMING W AFTER MIDNIGHT. WAVES 2 TO  
3 FT...SUBSIDING TO 1 FT. A CHANCE OF RAIN AFTER MIDNIGHT.  
 

 
 
ANZ543-100900-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
958 PM EST FRI JAN 9 2026  
   
REST OF TONIGHT...SW WINDS 10 KT
 
BECOMING NW LATE. WAVES 1 FT.  
RAIN. VSBY 1 TO 3 NM.    
SAT...E WINDS 5 TO 10 KT
 
BECOMING SE 10 TO 15 KT LATE. WAVES  
1 FT. RAIN. VSBY 1 TO 3 NM.    
SAT NIGHT...S WINDS 10 TO 15 KT
 
BECOMING W AFTER MIDNIGHT. WAVES  
1 FT. RAIN. VSBY 1 TO 3 NM.    
SUN...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING W 20 TO  
25 KT WITH GUSTS TO 30 KT IN THE AFTERNOON. WAVES 2 FT. RAIN.   
SUN NIGHT
 
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 2 TO  
3 FT.    
MON...NW WINDS 15 TO 20 KT
 
BECOMING W 5 TO 10 KT IN THE  
AFTERNOON. WAVES 1 TO 2 FT.    
MON NIGHT
 
SW WINDS 10 TO 15 KT. WAVES 1 FT.    
TUE
 
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.    
WED...SW WINDS 15 TO 20 KT
 
BECOMING W 5 TO 10 KT. WAVES 1 TO  
2 FT.  
 

 
 
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