878  
FZUS51 KLWX 211649  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1149 AM EST SAT DEC 21 2024  
 
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.  
 
ANZ500-212100-  
1149 AM EST SAT DEC 21 2024  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
HIGH PRESSURE BUILDS OVER THE REGION TONIGHT INTO SUNDAY, AS A  
COASTAL LOW DEPARTS OFF TO OUR NORTH AND EAST. HIGH PRESSURE DRIFTS  
TOWARD NEW ENGLAND MONDAY, WITH ANOTHER WEAK WAVE OF LOW PRESSURE  
AND COLD FRONT SET TO IMPACT THE WATERS BY THE MIDDLE OF NEXT WEEK.  
SMALL CRAFT ADVISORIES REMAIN IN EFFECT THROUGH SUNDAY WITH  
ADDITIONAL ADVISORIES POSSIBLE BY THE MIDDLE AND END OF NEXT WEEK.  
 

 
 
ANZ535-212100-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
1149 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM EST THIS EVENING
 
 
   
REST OF TODAY
 
NW WINDS 15 KT WITH GUSTS TO 30 KT. WAVES 1 TO  
2 FT. SCATTERED SPRINKLES AND FLURRIES THIS AFTERNOON.    
TONIGHT
 
N WINDS 10 TO 15 KT. GUSTS UP TO 25 KT EARLY IN THE  
EVENING. WAVES 1 FT.    
SUN
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN NIGHT
 
NE WINDS AROUND 5 KT. WAVES 1 FT.    
MON
 
SE WINDS AROUND 5 KT. WAVES 1 FT.    
MON NIGHT
 
S WINDS AROUND 5 KT. WAVES 1 FT.    
TUE
 
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SNOW IN  
THE MORNING.    
WED
 
NE WINDS AROUND 5 KT. WAVES 1 FT.  
 

 
 
ANZ536-212100-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
1149 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
 
 
   
REST OF TODAY
 
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.    
TONIGHT
 
N WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.  
WAVES 1 TO 2 FT.    
SUN
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN NIGHT
 
NE WINDS AROUND 5 KT. WAVES 1 FT.    
MON
 
SE WINDS AROUND 5 KT. WAVES 1 FT.    
MON NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
WED
 
NE WINDS AROUND 5 KT. WAVES 1 FT.  
 

 
 
ANZ537-212100-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
1149 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
 
 
   
REST OF TODAY
 
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.    
TONIGHT
 
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.    
SUN
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SUN NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
MON
 
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED
 
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE  
EVENING.  
 

 
 
ANZ530-212100-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
1149 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
 
 
   
REST OF TODAY
 
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.  
SCATTERED FLURRIES.    
TONIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO  
2 FT.    
SUN
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
SUN NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
MON
 
SE WINDS AROUND 5 KT. WAVES 1 FT.    
MON NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SNOW IN  
THE MORNING.    
WED
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.  
 

 
 
ANZ531-212100-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
1149 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
 
 
   
REST OF TODAY
 
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.  
SCATTERED SPRINKLES AND FLURRIES.    
TONIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
 
DIMINISHING TO  
20 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.    
SUN
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SUN NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
MON
 
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE...W WINDS 5 TO 10 KT
 
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT  
OR LESS. A CHANCE OF SNOW IN THE MORNING.    
WED
 
N WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ538-212100-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
1149 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
 
 
   
REST OF TODAY
 
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.  
SCATTERED SPRINKLES AND FLURRIES.    
TONIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
SUN
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN NIGHT
 
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON
 
SE WINDS AROUND 5 KT. WAVES FLAT.    
MON NIGHT
 
S WINDS 5 KT. WAVES FLAT.    
TUE
 
W WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SNOW IN THE  
MORNING.    
WED
 
N WINDS 5 KT. WAVES FLAT.  
 

 
 
ANZ539-212100-  
CHESTER RIVER TO QUEENSTOWN MD-  
1149 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
 
 
   
REST OF TODAY
 
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.  
SCATTERED SPRINKLES AND FLURRIES.    
TONIGHT...N WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
 
DIMINISHING TO  
20 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.    
SUN
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SUN NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
MON
 
SE WINDS AROUND 5 KT. WAVES FLAT.    
MON NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SNOW IN  
THE MORNING.    
WED
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.  
 

 
 
ANZ532-212100-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
1149 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
 
 
   
REST OF TODAY
 
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.  
SCATTERED SPRINKLES AND SNOW SHOWERS LATE THIS MORNING.    
TONIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
 
DIMINISHING TO  
25 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.    
SUN
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SUN NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
MON
 
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE...W WINDS 5 TO 10 KT
 
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT  
OR LESS. A CHANCE OF SNOW AND RAIN IN THE MORNING.    
WED
 
N WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ540-212100-  
EASTERN BAY-  
1149 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
 
 
   
REST OF TODAY
 
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.  
SCATTERED SPRINKLES AND FLURRIES.    
TONIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
 
DIMINISHING TO  
20 KT AFTER MIDNIGHT. WAVES 2 FT.    
SUN
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
SUN NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
MON
 
SE WINDS AROUND 5 KT. WAVES FLAT.    
MON NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN AND  
SNOW IN THE MORNING.    
WED
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.  
 

 
 
ANZ533-212100-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
1149 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
 
 
   
REST OF TODAY
 
NW WINDS 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.  
SCATTERED SPRINKLES AND SNOW SHOWERS LATE THIS MORNING.    
TONIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.    
SUN
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.    
SUN NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
MON
 
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE...W WINDS 5 TO 10 KT
 
BECOMING N AFTER MIDNIGHT. WAVES 1 FT OR  
LESS. A CHANCE OF RAIN AND SNOW IN THE MORNING.    
WED
 
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE  
EVENING.  
 

 
 
ANZ541-212100-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
1149 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
 
 
   
REST OF TODAY...NW WINDS 25 KT WITH GUSTS TO 30 KT. WAVES 2 FT
 
 
EXCEPT AROUND 3 FT NEAR THE MOUTH OF THE CHOPTANK. SCATTERED  
SPRINKLES AND FLURRIES LATE THIS MORNING.    
TONIGHT
 
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.   
SUN
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SUN NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
MON
 
SE WINDS AROUND 5 KT. WAVES FLAT.    
MON NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE...W WINDS 5 TO 10 KT
 
BECOMING N AFTER MIDNIGHT. WAVES 1 FT OR  
LESS. A CHANCE OF RAIN AND SNOW IN THE MORNING.    
WED
 
N WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ542-212100-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
1149 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
 
 
   
REST OF TODAY
 
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 1 TO  
2 FT.    
TONIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
SUN
 
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
SUN NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
MON
 
E WINDS AROUND 5 KT. WAVES 1 FT.    
MON NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE  
MORNING.    
WED
 
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN IN THE  
EVENING.  
 

 
 
ANZ534-212100-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
1149 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
 
 
   
REST OF TODAY
 
NW WINDS 25 KT WITH GUSTS TO 30 KT. WAVES 5 FT.    
TONIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT.    
SUN
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.    
SUN NIGHT
 
NE WINDS 10 TO 15 KT. WAVES 2 FT.    
MON
 
E WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE...W WINDS 5 TO 10 KT
 
BECOMING N. WAVES 1 FT.    
WED
 
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN THROUGH THE  
NIGHT.  
 

 
 
ANZ543-212100-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
1149 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
 
 
   
REST OF TODAY
 
NW WINDS 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.  
SCATTERED SPRINKLES AND FLURRIES LATE THIS MORNING.    
TONIGHT
 
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.   
SUN
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SUN NIGHT
 
N WINDS 10 TO 15 KT. WAVES 1 FT.    
MON
 
E WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE...W WINDS 5 TO 10 KT
 
BECOMING N. WAVES 1 FT OR LESS.    
WED
 
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE  
EVENING.  
 

 
 
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