709  
FZUS51 KLWX 251458  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1058 AM EDT TUE APR 25 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.  
 
ANZ500-252000-  
1058 AM EDT TUE APR 25 2017  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
LOW PRESSURE WEAKEN AS IT MOVES UP THE MID-ATLANTIC COAST THROUGH  
TONIGHT. THE LOW WILL MOVE OFF TO OUR NORTH AND EAST WEDNESDAY AND  
A COLD FRONT WILL APPROACH FROM THE WEST THURSDAY. THE COLD FRONT  
WILL WEAKEN AND STALL OUT NEARBY THURSDAY NIGHT AND IT WILL REMAIN  
NEARBY THROUGH THE WEEKEND. A SMALL CRAFT ADVISORY MAY BE NEEDED  
FOR PORTIONS OF THE WATERS THURSDAY INTO THURSDAY NIGHT.  
 

 
 
ANZ535-252000-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
1058 AM EDT TUE APR 25 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
 
 
   
REST OF TODAY
 
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.  
OCCASIONAL DRIZZLE. RAIN.   
TONIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT. RAIN LIKELY.    
WED
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN.    
WED NIGHT
 
S WINDS AROUND 5 KT. WAVES 1 FT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
SAT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.  
 

 
 
ANZ536-252000-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
1058 AM EDT TUE APR 25 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
 
 
   
REST OF TODAY
 
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES  
2 FT. OCCASIONAL DRIZZLE. RAIN.   
TONIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.    
WED
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED NIGHT
 
S WINDS AROUND 5 KT. WAVES 1 FT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
SAT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ537-252000-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
1058 AM EDT TUE APR 25 2017  
   
..GALE WARNING IN EFFECT UNTIL 6 PM EDT THIS EVENING
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH  
LATE TONIGHT...  
   
REST OF TODAY...E WINDS 20 TO 25 KT WITH GUSTS TO 35 KT
 
 
DIMINISHING TO 10 KT WITH GUSTS TO 20 KT LATE. WAVES 5 FT...  
SUBSIDING TO 3 FT LATE. OCCASIONAL DRIZZLE. RAIN.   
TONIGHT
 
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 TO 2 FT. RAIN LIKELY.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.    
WED NIGHT
 
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
S WINDS 10 KT. WAVES 1 TO 2 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ530-252000-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
1058 AM EDT TUE APR 25 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES  
2 FT...EXCEPT AROUND 1 FT OR LESS NEAR THE MOUTH OF THE SUSQUEHANNA.  
RAIN AND OCCASIONAL DRIZZLE. VSBY 1 TO 3 NM.    
TONIGHT
 
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 TO 2 FT. RAIN LIKELY.    
WED
 
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN.    
WED NIGHT
 
S WINDS AROUND 5 KT. WAVES FLAT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
THU NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
SAT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ531-252000-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
1058 AM EDT TUE APR 25 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.  
OCCASIONAL DRIZZLE. RAIN.   
TONIGHT
 
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL EARLY  
MORNING. WAVES 2 FT. RAIN LIKELY.    
WED
 
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.    
WED NIGHT
 
S WINDS AROUND 5 KT. WAVES FLAT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
THU NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ538-252000-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
1058 AM EDT TUE APR 25 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.  
OCCASIONAL DRIZZLE. RAIN.   
TONIGHT
 
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY  
MORNING. WAVES 1 TO 2 FT. RAIN LIKELY.    
WED
 
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN.    
WED NIGHT
 
S WINDS AROUND 5 KT. WAVES FLAT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
THU NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
SAT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.  
 

 
 
ANZ539-252000-  
CHESTER RIVER TO QUEENSTOWN MD-  
1058 AM EDT TUE APR 25 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
E WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.  
OCCASIONAL DRIZZLE. RAIN.   
TONIGHT
 
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY  
MORNING. WAVES 1 TO 2 FT. RAIN LIKELY.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.    
WED NIGHT
 
S WINDS AROUND 5 KT. WAVES FLAT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
THU NIGHT
 
S WINDS 10 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ532-252000-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
1058 AM EDT TUE APR 25 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
NE WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.  
OCCASIONAL DRIZZLE. RAIN.   
TONIGHT
 
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY  
MORNING. WAVES 2 FT. RAIN LIKELY.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.    
WED NIGHT
 
S WINDS AROUND 5 KT. WAVES FLAT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ540-252000-  
EASTERN BAY-  
1058 AM EDT TUE APR 25 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
E WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.  
OCCASIONAL DRIZZLE. RAIN.   
TONIGHT
 
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY  
MORNING. WAVES 1 TO 2 FT. RAIN LIKELY.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.    
WED NIGHT
 
S WINDS AROUND 5 KT. WAVES FLAT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
THU NIGHT
 
S WINDS 10 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ533-252000-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
1058 AM EDT TUE APR 25 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES  
4 FT...EXCEPT 2 TO 3 FT NEAR THE MOUTH OF THE CHOPTANK. OCCASIONAL  
DRIZZLE. RAIN.   
TONIGHT
 
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY  
MORNING. WAVES 2 FT. RAIN LIKELY.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.    
WED NIGHT
 
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
S WINDS 10 KT. WAVES 1 TO 2 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
S WINDS 5 TO 10 KT. WAVES 2 FT.  
 

 
 
ANZ541-252000-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
1058 AM EDT TUE APR 25 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
E WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.  
OCCASIONAL DRIZZLE. RAIN.   
TONIGHT
 
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY  
MORNING. WAVES 1 TO 2 FT. RAIN LIKELY.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.    
WED NIGHT
 
S WINDS AROUND 5 KT. WAVES FLAT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
S WINDS 10 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ542-252000-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
1058 AM EDT TUE APR 25 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY...NE WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
 
 
DIMINISHING TO 20 KT LATE. WAVES 1 FT. OCCASIONAL DRIZZLE. RAIN.   
TONIGHT
 
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 FT. RAIN LIKELY.    
WED
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN.    
WED NIGHT
 
S WINDS AROUND 5 KT. WAVES 1 FT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ534-252000-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
1058 AM EDT TUE APR 25 2017  
   
..GALE WARNING IN EFFECT UNTIL 6 PM EDT THIS EVENING
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH  
LATE TONIGHT...  
   
REST OF TODAY...E WINDS 20 TO 25 KT WITH GUSTS TO 35 KT
 
 
DIMINISHING TO 10 KT WITH GUSTS TO 25 KT LATE. WAVES 5 FT...  
SUBSIDING TO 3 FT LATE. OCCASIONAL DRIZZLE. RAIN.   
TONIGHT
 
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 TO 2 FT. RAIN LIKELY.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.    
WED NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
THU
 
S WINDS 10 TO 15 KT. WAVES 1 FT.    
THU NIGHT
 
S WINDS 10 TO 15 KT. WAVES 2 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 2 FT. A CHANCE OF SHOWERS AND TSTMS  
THROUGH THE NIGHT.    
SAT
 
S WINDS 10 KT. WAVES 2 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ543-252000-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
1058 AM EDT TUE APR 25 2017  
   
..GALE WARNING IN EFFECT UNTIL 6 PM EDT THIS EVENING
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH  
LATE TONIGHT...  
   
REST OF TODAY...E WINDS 20 TO 25 KT WITH GUSTS TO 35 KT
 
 
DIMINISHING TO 10 KT WITH GUSTS TO 25 KT LATE. WAVES 2 TO 3 FT.  
OCCASIONAL DRIZZLE. RAIN.   
TONIGHT
 
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 FT. RAIN LIKELY.    
WED
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.    
WED NIGHT
 
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
THU
 
S WINDS 10 TO 15 KT. WAVES 1 FT.    
THU NIGHT
 
S WINDS 10 TO 15 KT. WAVES 1 FT.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS  
THROUGH THE NIGHT.    
SAT
 
S WINDS 10 KT. WAVES 2 TO 3 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
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