349  
FZUS51 KLWX 190536  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1236 AM EST SUN JAN 19 2025  
 
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.  
 
ANZ500-192100-  
1236 AM EST SUN JAN 19 2025  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
AN ARCTIC FRONT WILL TEMPORARILY STALL NEAR OR JUST SOUTHEAST OF THE  
AREA TONIGHT INTO SUNDAY AS A STRONGER WAVE OF LOW PRESSURE  
DEVELOPS OVER THE TENNESSEE RIVER VALLEY. THIS LOW THEN MOVES  
NORTHEAST TO OFF THE SOUTHERN NEW ENGLAND COAST BY MONDAY MORNING.  
ARCTIC HIGH PRESSURE WILL FOLLOW FOR MUCH OF NEXT WEEK AS ONE OR  
MORE WAVES OF LOW PRESSURE DEVELOP TO THE SOUTH. SMALL CRAFT  
ADVISORIES WILL LIKELY BE NEEDED THROUGH TUESDAY. FREEZING SPRAY IS  
ALSO POSSIBLE EARLY NEXT WEEK, ESPECIALLY ACROSS THE WIDER WATERS.  
 
 
 
ANZ535-192100-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
1236 AM EST SUN JAN 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE  
TONIGHT...  
   
OVERNIGHT  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
SUN  
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE. WAVES 1 FT. SNOW  
AND RAIN. VSBY 1 NM OR LESS.    
SUN NIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A  
CHANCE OF SNOW. VSBY 1 TO 3 NM.    
MON  
NW WINDS 10 TO 15 KT WITH GUSTS TO 30 KT. WAVES 1 FT.    
MON NIGHT  
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 FT.    
TUE  
W WINDS AROUND 5 KT. WAVES 1 FT.    
TUE NIGHT  
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SNOW.    
WED...N WINDS 5 TO 10 KT  
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.    
THU  
S WINDS AROUND 5 KT. WAVES 1 FT.  
 
 
 
ANZ536-192100-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
1236 AM EST SUN JAN 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE  
TONIGHT...  
   
OVERNIGHT  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
SUN...N WINDS 5 KT  
BECOMING NW 10 TO 15 KT WITH GUSTS TO 20 KT  
LATE. WAVES 1 FT. SNOW AND RAIN. VSBY 1 NM OR LESS.    
SUN NIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A  
CHANCE OF SNOW. VSBY 1 TO 3 NM.    
MON  
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
MON NIGHT  
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 FT.    
TUE  
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT...E WINDS 5 KT  
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.  
WAVES 1 FT. A CHANCE OF SNOW.    
WED...N WINDS 10 TO 15 KT  
BECOMING NE 5 TO 10 KT IN THE EVENING,  
THEN BECOMING S AFTER MIDNIGHT. WAVES 1 FT.    
THU  
SW WINDS AROUND 5 KT. WAVES 1 FT.  
 
 
 
ANZ537-192100-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
1236 AM EST SUN JAN 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE  
TONIGHT...  
   
OVERNIGHT  
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
SUN  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. RAIN  
WITH SNOW LIKELY WITH SLEET. VSBY 1 TO 3 NM.    
SUN NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A  
CHANCE OF SNOW AND SLEET. VSBY 1 TO 3 NM.    
MON  
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
MON NIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO  
3 FT.    
TUE  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT  
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT. SNOW LIKELY.    
WED...N WINDS 15 TO 20 KT  
BECOMING SW 5 TO 10 KT AFTER MIDNIGHT.  
WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.    
THU...S WINDS 5 KT  
BECOMING N. WAVES 1 FT.  
 
 
 
ANZ530-192100-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
1236 AM EST SUN JAN 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE  
TONIGHT...  
   
OVERNIGHT  
NW WINDS 5 KT. WAVES FLAT.    
SUN  
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT LATE. WAVES 1 FT.  
SNOW, SLEET WITH A CHANCE OF RAIN. VSBY 1 NM OR LESS.    
SUN NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.  
SNOW LIKELY. VSBY 1 NM OR LESS.    
MON  
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.    
MON NIGHT  
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO  
2 FT.    
TUE  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF  
SNOW.    
WED...NW WINDS 10 TO 15 KT  
BECOMING SW 5 KT AFTER MIDNIGHT. WAVES  
1 FT.    
THU  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.  
 
 
 
ANZ531-192100-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
1236 AM EST SUN JAN 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE  
TONIGHT...  
   
OVERNIGHT  
NW WINDS 5 KT. WAVES FLAT.    
SUN  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.  
SNOW, SLEET WITH A CHANCE OF RAIN. VSBY 1 NM OR LESS.    
SUN NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A  
CHANCE OF SNOW. VSBY 1 NM OR LESS.    
MON  
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.    
MON NIGHT  
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO  
3 FT.    
TUE  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT...W WINDS 5 KT  
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.  
WAVES 1 FT. A CHANCE OF SNOW.    
WED...NW WINDS 10 TO 15 KT  
BECOMING SW 5 TO 10 KT AFTER MIDNIGHT.  
WAVES 1 TO 2 FT.    
THU...S WINDS 5 TO 10 KT  
BECOMING N. WAVES 1 FT.  
 
 
 
ANZ538-192100-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
1236 AM EST SUN JAN 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE  
TONIGHT...  
   
OVERNIGHT  
NW WINDS 5 KT. WAVES FLAT.    
SUN  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SNOW  
WITH RAIN LIKELY WITH SLEET. VSBY 1 NM OR LESS.    
SUN NIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A  
CHANCE OF SNOW. VSBY 1 TO 3 NM.    
MON  
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.    
MON NIGHT  
W WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.  
WAVES 1 TO 2 FT.    
TUE  
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF  
SNOW.    
WED...NW WINDS 5 TO 10 KT  
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT  
OR LESS.    
THU  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.  
 
 
 
ANZ539-192100-  
CHESTER RIVER TO QUEENSTOWN MD-  
1236 AM EST SUN JAN 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE  
TONIGHT...  
   
OVERNIGHT  
NW WINDS 5 KT. WAVES FLAT.    
SUN  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.  
SNOW, SLEET WITH A CHANCE OF RAIN. VSBY 1 NM OR LESS.    
SUN NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A  
CHANCE OF SNOW. VSBY 1 TO 3 NM.    
MON  
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.    
MON NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO  
3 FT.    
TUE  
W WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
TUE NIGHT...NW WINDS 5 KT  
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.  
WAVES 1 FT. A CHANCE OF SNOW.    
WED...N WINDS 10 TO 15 KT  
BECOMING S 5 TO 10 KT AFTER MIDNIGHT.  
WAVES 1 TO 2 FT.    
THU...SE WINDS 5 KT  
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.  
 
 
 
ANZ532-192100-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
1236 AM EST SUN JAN 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE  
TONIGHT...  
   
OVERNIGHT  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
SUN  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.  
SNOW WITH RAIN LIKELY WITH SLEET. VSBY 1 TO 3 NM.    
SUN NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A  
CHANCE OF SNOW. VSBY 1 TO 3 NM.    
MON  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.    
MON NIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO  
3 FT.    
TUE  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT  
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SNOW.   
WED...NW WINDS 10 TO 15 KT  
BECOMING SW 5 TO 10 KT AFTER MIDNIGHT.  
WAVES 1 TO 2 FT.    
THU...S WINDS 5 TO 10 KT  
BECOMING N. WAVES 1 FT.  
 
 
 
ANZ540-192100-  
EASTERN BAY-  
1236 AM EST SUN JAN 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE  
TONIGHT...  
   
OVERNIGHT  
NW WINDS 5 KT. WAVES FLAT.    
SUN  
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE MORNING  
AND AFTERNOON. WAVES 1 FT. RAIN AND SNOW. VSBY 1 TO 3 NM.    
SUN NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A  
CHANCE OF SNOW. VSBY 1 TO 3 NM.    
MON  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.    
MON NIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
TUE  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT...SE WINDS 5 KT  
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.  
WAVES 1 FT OR LESS. A CHANCE OF SNOW.    
WED...N WINDS 10 TO 15 KT  
BECOMING S 5 TO 10 KT AFTER MIDNIGHT.  
WAVES 1 FT.    
THU...S WINDS 5 TO 10 KT  
BECOMING N. WAVES 1 FT OR LESS.  
 
 
 
ANZ533-192100-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
1236 AM EST SUN JAN 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE  
TONIGHT...  
   
OVERNIGHT  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
SUN  
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE MORNING  
AND AFTERNOON. WAVES 1 TO 2 FT. RAIN AND SNOW WITH SLEET LIKELY.  
VSBY 1 TO 3 NM.    
SUN NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A  
CHANCE OF SNOW. VSBY 1 TO 3 NM.    
MON  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.    
MON NIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO  
3 FT.    
TUE  
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
TUE NIGHT  
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT. A CHANCE OF SNOW.    
WED...N WINDS 15 TO 20 KT  
BECOMING S 5 TO 10 KT AFTER MIDNIGHT.  
WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.    
THU...S WINDS 5 TO 10 KT  
BECOMING N. WAVES 1 FT.  
 
 
 
ANZ541-192100-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
1236 AM EST SUN JAN 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE  
TONIGHT...  
   
OVERNIGHT  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
SUN  
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT LATE. WAVES 1 TO 2 FT.  
RAIN AND SNOW WITH SLEET LIKELY. VSBY 1 TO 3 NM.    
SUN NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A  
CHANCE OF SNOW. VSBY 1 TO 3 NM.    
MON  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.    
MON NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO  
3 FT.    
TUE  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT  
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A  
CHANCE OF SNOW.    
WED...NW WINDS 15 TO 20 KT  
BECOMING N 5 TO 10 KT IN THE EVENING,  
THEN BECOMING SE AFTER MIDNIGHT. WAVES 1 TO 2 FT.    
THU...S WINDS 5 TO 10 KT  
BECOMING N. WAVES 1 FT.  
 
 
 
ANZ542-192100-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
1236 AM EST SUN JAN 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE  
TONIGHT...  
   
OVERNIGHT  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
SUN  
N WINDS 10 TO 15 KT. WAVES 1 FT. RAIN, SNOW AND SLEET. VSBY  
1 TO 3 NM.    
SUN NIGHT  
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A  
CHANCE OF SNOW. VSBY 1 TO 3 NM.    
MON  
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
MON NIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TUE  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT  
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SNOW.    
WED...N WINDS 10 TO 15 KT  
BECOMING SW 5 KT AFTER MIDNIGHT. WAVES  
1 FT.    
THU  
W WINDS 5 KT. WAVES LESS THAN 1 FT.  
 
 
 
ANZ534-192100-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
1236 AM EST SUN JAN 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE  
TONIGHT...  
   
OVERNIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. RAIN AND SNOW LIKELY.  
VSBY 1 TO 3 NM.    
SUN NIGHT  
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 5 FT. A  
CHANCE OF RAIN, SNOW AND SLEET. VSBY 1 TO 3 NM.    
MON  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT.    
MON NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO  
3 FT.    
TUE  
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
TUE NIGHT...E WINDS 5 TO 10 KT  
BECOMING N 15 TO 20 KT AFTER  
MIDNIGHT. WAVES 1 TO 2 FT. SNOW LIKELY.    
WED...N WINDS 15 TO 20 KT  
BECOMING NE 5 TO 10 KT AFTER MIDNIGHT.  
WAVES 2 TO 3 FT.    
THU...SE WINDS 5 TO 10 KT  
BECOMING NW. WAVES 1 FT. A CHANCE OF  
SNOW IN THE EVENING.  
 
 
 
ANZ543-192100-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
1236 AM EST SUN JAN 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE  
TONIGHT...  
   
OVERNIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
N WINDS 10 TO 15 KT. WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.    
SUN NIGHT  
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A  
CHANCE OF RAIN, SNOW AND SLEET. VSBY 1 TO 3 NM.    
MON  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.    
MON NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
TUE  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT  
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT. SNOW LIKELY.    
WED...N WINDS 15 TO 20 KT  
BECOMING NE 5 TO 10 KT AFTER MIDNIGHT.  
WAVES 1 TO 2 FT.    
THU...E WINDS 5 TO 10 KT  
BECOMING NW. WAVES 1 FT. A CHANCE OF  
SNOW IN THE EVENING.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab VA Page
The Nexlab MD Page
The Nexlab WV Page
Main Text Page