487  
FZUS51 KLWX 271431  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1031 AM EDT THU APR 27 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.  
 
ANZ500-272000-  
1031 AM EDT THU APR 27 2017  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
A WEAK COLD FRONT WILL CROSS THE WATERS TONIGHT. A BACKDOOR COLD  
FRONT WILL MOVE SOUTH ACROSS THE CHESAPEAKE BAY REGION SUNDAY  
MORNING. A STRONGER COLD FRONT WILL CROSS THE REGION FROM THE WEST  
MONDAY NIGHT. A SMALL CRAFT ADVISORY IS POSSIBLE MONDAY INTO  
TUESDAY.  
 

 
 
ANZ535-272000-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
1031 AM EDT THU APR 27 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
REST OF TODAY...S WINDS 5 KT
 
INCREASING TO 15 KT WITH GUSTS TO  
20 KT THIS AFTERNOON. WAVES 1 FT.    
TONIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING SW  
5 KT LATE. WAVES 1 FT. A CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 TO  
3 NM.    
FRI
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT
 
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SUN
 
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
MON...S WINDS 5 TO 10 KT
 
BECOMING SW 10 TO 15 KT. WAVES 1 TO  
2 FT. A CHANCE OF SHOWERS AND TSTMS THROUGH THE DAY...THEN SHOWERS  
AND TSTMS LIKELY THROUGH THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ536-272000-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
1031 AM EDT THU APR 27 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
REST OF TODAY...S WINDS 5 KT
 
INCREASING TO 15 KT WITH GUSTS TO  
20 KT THIS AFTERNOON. WAVES 1 TO 2 FT.    
TONIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT. A CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI
 
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SUN
 
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
MON
 
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS  
AND TSTMS THROUGH THE DAY...THEN SHOWERS AND TSTMS LIKELY THROUGH  
THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ537-272000-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
1031 AM EDT THU APR 27 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS  
AFTERNOON. WAVES 1 TO 2 FT...BUILDING TO 3 FT LATE.    
TONIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.  
A CHANCE OF SHOWERS.    
FRI...NW WINDS 5 TO 10 KT
 
BECOMING E IN THE AFTERNOON. WAVES  
1 FT.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SUN
 
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS IN  
THE MORNING.    
MON
 
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. SHOWERS AND TSTMS  
LIKELY THROUGH THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ530-272000-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
1031 AM EDT THU APR 27 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
REST OF TODAY...SE WINDS 5 KT
 
BECOMING S 15 KT WITH GUSTS TO  
20 KT THIS AFTERNOON. WAVES 1 FT OR LESS...BUILDING TO 2 FT LATE.  
PATCHY FOG LATE THIS MORNING WITH VSBY 1 TO 3 NM.    
TONIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.  
A CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF  
SHOWERS.    
SUN
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE  
MORNING.    
MON
 
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS  
AND TSTMS IN THE AFTERNOON. SHOWERS AND TSTMS LIKELY THROUGH THE  
NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ531-272000-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
1031 AM EDT THU APR 27 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY...SE WINDS 5 KT
 
BECOMING S 15 KT WITH GUSTS TO  
20 KT THIS AFTERNOON. WAVES 1 TO 2 FT. PATCHY FOG LATE THIS MORNING  
WITH VSBY 1 TO 3 NM.    
TONIGHT
 
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 2 FT. A  
CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI...W WINDS 5 TO 10 KT
 
BECOMING S LATE. WAVES 1 FT.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT...W WINDS 5 TO 10 KT
 
BECOMING N AFTER MIDNIGHT. WAVES  
1 FT. A CHANCE OF SHOWERS.    
SUN
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE  
MORNING.    
MON
 
SW WINDS 10 TO 15 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS  
AND TSTMS IN THE AFTERNOON. SHOWERS AND TSTMS LIKELY THROUGH THE  
NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ538-272000-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
1031 AM EDT THU APR 27 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
REST OF TODAY...SE WINDS 5 KT
 
BECOMING S 15 KT WITH GUSTS TO  
20 KT THIS AFTERNOON. WAVES 1 TO 2 FT. PATCHY FOG LATE THIS MORNING  
WITH VSBY 1 TO 3 NM.    
TONIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING SW  
5 TO 10 KT LATE. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS. PATCHY FOG.  
VSBY 1 TO 3 NM.    
FRI...W WINDS 5 TO 10 KT
 
BECOMING S LATE. WAVES 1 FT.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
SAT NIGHT...W WINDS 5 TO 10 KT
 
BECOMING N AFTER MIDNIGHT. WAVES  
1 FT OR LESS. A CHANCE OF SHOWERS.    
SUN
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE  
MORNING.    
MON
 
SW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS THROUGH THE DAY...THEN SHOWERS AND TSTMS LIKELY THROUGH THE  
NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ539-272000-  
CHESTER RIVER TO QUEENSTOWN MD-  
1031 AM EDT THU APR 27 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS  
AFTERNOON. WAVES 1 TO 2 FT. PATCHY FOG LATE THIS MORNING WITH VSBY  
1 TO 3 NM.    
TONIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A  
CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI...NW WINDS 5 TO 10 KT
 
BECOMING S LATE. WAVES 1 FT.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT...W WINDS 5 TO 10 KT
 
BECOMING N AFTER MIDNIGHT. WAVES  
1 FT OR LESS. A CHANCE OF SHOWERS.    
SUN
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE  
MORNING.    
MON
 
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS  
AND TSTMS IN THE AFTERNOON. SHOWERS AND TSTMS LIKELY THROUGH THE  
NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ532-272000-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
1031 AM EDT THU APR 27 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS  
AFTERNOON. WAVES 1 TO 2 FT...BUILDING TO 3 FT LATE. PATCHY FOG LATE  
THIS MORNING WITH VSBY 1 TO 3 NM.    
TONIGHT
 
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 2 TO 3 FT.  
A CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI...N WINDS 5 TO 10 KT
 
BECOMING S LATE. WAVES 1 FT.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SUN
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
MON...SW WINDS 10 TO 15 KT. WAVES 2 TO 3 FT
 
SUBSIDING TO 1 FT  
AFTER MIDNIGHT. A CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.  
SHOWERS AND TSTMS LIKELY THROUGH THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ540-272000-  
EASTERN BAY-  
1031 AM EDT THU APR 27 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS  
AFTERNOON. WAVES 1 TO 2 FT. PATCHY FOG LATE THIS MORNING WITH VSBY  
1 TO 3 NM.    
TONIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A  
CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI...NW WINDS 5 TO 10 KT
 
BECOMING S LATE. WAVES 1 FT.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SUN
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE  
MORNING.    
MON
 
SW WINDS 10 TO 15 KT. WAVES 2 FT. SHOWERS AND TSTMS LIKELY  
THROUGH THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ533-272000-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
1031 AM EDT THU APR 27 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS  
AFTERNOON. WAVES 1 TO 2 FT...BUILDING TO 3 FT LATE. PATCHY FOG LATE  
THIS MORNING WITH VSBY 1 TO 3 NM.    
TONIGHT
 
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 2 TO 3 FT.  
A CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI...N WINDS 5 TO 10 KT
 
BECOMING SE LATE. WAVES 1 FT.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SUN
 
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE  
MORNING.    
MON
 
SW WINDS 10 TO 15 KT. WAVES 3 FT. SHOWERS AND TSTMS LIKELY  
THROUGH THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ541-272000-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
1031 AM EDT THU APR 27 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS  
AFTERNOON. WAVES 1 TO 2 FT. PATCHY FOG LATE THIS MORNING WITH VSBY  
1 TO 3 NM.    
TONIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A  
CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI...NW WINDS 5 TO 10 KT
 
BECOMING S LATE. WAVES 1 FT.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SUN
 
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE  
MORNING.    
MON
 
SW WINDS 10 TO 15 KT. WAVES 2 FT. SHOWERS AND TSTMS LIKELY  
THROUGH THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ542-272000-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
1031 AM EDT THU APR 27 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
REST OF TODAY
 
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS  
AFTERNOON. WAVES 1 FT. PATCHY FOG LATE THIS MORNING WITH VSBY 1 TO  
3 NM.    
TONIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A  
CHANCE OF SHOWERS.    
FRI
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
SW WINDS 10 KT. WAVES 1 FT.    
SAT NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SUN
 
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE  
MORNING.    
MON
 
SW WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS AND TSTMS LIKELY  
THROUGH THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ534-272000-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
1031 AM EDT THU APR 27 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT...BUILDING TO 3 FT LATE. PATCHY FOG LATE THIS MORNING WITH VSBY  
1 TO 3 NM.    
TONIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT. A  
CHANCE OF SHOWERS.    
FRI...NW WINDS 5 TO 10 KT
 
BECOMING E IN THE AFTERNOON. WAVES 1 TO  
2 FT.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
SW WINDS 10 KT. WAVES 2 FT.    
SAT NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF  
SHOWERS.    
SUN
 
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.    
MON
 
SW WINDS 15 TO 20 KT. WAVES 3 FT. SHOWERS AND TSTMS LIKELY  
THROUGH THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ543-272000-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
1031 AM EDT THU APR 27 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT. PATCHY FOG LATE THIS MORNING WITH VSBY 1 TO 3 NM.    
TONIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A  
CHANCE OF SHOWERS.    
FRI
 
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
SW WINDS 10 KT. WAVES 1 FT.    
SAT NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SUN
 
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.    
MON
 
SW WINDS 15 TO 20 KT. WAVES 4 FT. SHOWERS AND TSTMS LIKELY  
THROUGH THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
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