141  
FZUS51 KLWX 220231  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1031 PM EDT MON AUG 21 2017  
 
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.  
 
ANZ500-220800-  
1031 PM EDT MON AUG 21 2017  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
HIGH PRESSURE WILL REMAIN OFFSHORE THROUGH TONIGHT. A COLD FRONT  
WILL CROSS THE WATERS LATE TUESDAY NIGHT INTO EARLY WEDNESDAY. HIGH  
PRESSURE WILL RETURN FOR THE SECOND HALF OF THE WEEK.  
 

 
 
ANZ535-220800-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
1031 PM EDT MON AUG 21 2017  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH  
TUESDAY EVENING...  
   
REST OF TONIGHT
 
S WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS LATE  
THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS AND TSTMS.    
TUE
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TUE NIGHT
 
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 FT.    
WED
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.    
WED NIGHT
 
N WINDS AROUND 5 KT. WAVES 1 FT.    
THU
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU NIGHT
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
SAT
 
NE WINDS AROUND 5 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ536-220800-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
1031 PM EDT MON AUG 21 2017  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH  
TUESDAY EVENING...  
   
REST OF TONIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED  
SHOWERS LATE THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS AND  
TSTMS.    
TUE
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.    
WED NIGHT
 
N WINDS AROUND 5 KT. WAVES 1 FT.    
THU
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU NIGHT
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
SAT
 
NE WINDS AROUND 5 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ537-220800-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
1031 PM EDT MON AUG 21 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH  
TUESDAY EVENING...  
   
REST OF TONIGHT
 
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT.  
ISOLATED SHOWERS LATE THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS  
AND TSTMS.    
TUE
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TUE NIGHT
 
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 2 FT.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
WED NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ530-220800-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
1031 PM EDT MON AUG 21 2017  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH  
TUESDAY EVENING...  
   
REST OF TONIGHT
 
S WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS LATE  
THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS AND TSTMS.    
TUE...S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
 
INCREASING TO 15 KT  
WITH GUSTS TO 20 KT LATE. WAVES 1 FT.    
TUE NIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
DIMINISHING  
TO 5 KT LATE. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND TSTMS.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU NIGHT
 
N WINDS 5 KT. WAVES FLAT.    
FRI
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
SAT
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ531-220800-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
1031 PM EDT MON AUG 21 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH  
TUESDAY EVENING...  
   
REST OF TONIGHT
 
S WINDS 10 KT. WAVES 2 FT. ISOLATED SHOWERS LATE  
THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS AND TSTMS.    
TUE
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
TUE NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
THU
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ538-220800-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
1031 PM EDT MON AUG 21 2017  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH  
TUESDAY EVENING...  
   
REST OF TONIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT. ISOLATED SHOWERS  
LATE THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS AND TSTMS.    
TUE
 
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES  
1 FT.    
TUE NIGHT
 
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 FT.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
WED NIGHT
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU NIGHT
 
N WINDS 5 KT. WAVES FLAT.    
FRI
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
SAT
 
NE WINDS AROUND 5 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ539-220800-  
CHESTER RIVER TO QUEENSTOWN MD-  
1031 PM EDT MON AUG 21 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH  
TUESDAY EVENING...  
   
REST OF TONIGHT
 
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.  
ISOLATED SHOWERS LATE THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS  
AND TSTMS.    
TUE
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
TUE NIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING W  
5 TO 10 KT LATE. WAVES 2 FT.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
THU
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ532-220800-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
1031 PM EDT MON AUG 21 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH  
TUESDAY EVENING...  
   
REST OF TONIGHT
 
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT.  
ISOLATED SHOWERS LATE THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS  
AND TSTMS.    
TUE
 
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 2 FT.    
TUE NIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING W  
5 TO 10 KT LATE. WAVES 2 FT.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ540-220800-  
EASTERN BAY-  
1031 PM EDT MON AUG 21 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH  
TUESDAY EVENING...  
   
REST OF TONIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES  
2 FT. ISOLATED SHOWERS LATE THIS EVENING, THEN A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
TUE
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
TUE NIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING W  
5 TO 10 KT LATE. WAVES 2 FT.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
THU
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
N WINDS 5 KT. WAVES FLAT.    
FRI
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ533-220800-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
1031 PM EDT MON AUG 21 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH  
TUESDAY EVENING...  
   
REST OF TONIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES  
2 FT. ISOLATED SHOWERS LATE THIS EVENING, THEN A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
TUE
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TUE NIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING W  
5 TO 10 KT LATE. WAVES 2 FT.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI
 
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ541-220800-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
1031 PM EDT MON AUG 21 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH  
TUESDAY EVENING...  
   
REST OF TONIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES  
2 FT. ISOLATED SHOWERS LATE THIS EVENING, THEN A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
TUE
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TUE NIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING W  
5 TO 10 KT LATE. WAVES 2 FT.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ542-220800-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
1031 PM EDT MON AUG 21 2017  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH  
TUESDAY EVENING...  
   
REST OF TONIGHT
 
S WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS LATE  
THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS AND TSTMS.    
TUE
 
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE LATE MORNING AND  
AFTERNOON. WAVES 1 FT.    
TUE NIGHT
 
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY  
MORNING. WAVES 1 FT.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
WED NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ534-220800-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
1031 PM EDT MON AUG 21 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH  
TUESDAY EVENING...  
   
REST OF TONIGHT
 
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.  
ISOLATED SHOWERS LATE THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS  
AND TSTMS.    
TUE
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TUE NIGHT
 
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 3 FT.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.    
WED NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
N WINDS 5 TO 10 KT. WAVES 2 FT.    
THU NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
NE WINDS 10 KT. WAVES 1 TO 2 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ543-220800-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
1031 PM EDT MON AUG 21 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH  
TUESDAY EVENING...  
   
REST OF TONIGHT
 
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.  
ISOLATED SHOWERS LATE THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS  
AND TSTMS.    
TUE
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TUE NIGHT
 
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 2 FT.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.    
WED NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
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