644  
FZUS51 KLWX 191608  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1108 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-  
1108 AM EST SUN JAN 19 2025  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
LOW PRESSURE ACROSS THE SOUTHEAST WILL GATHER STRENGTH AS IT PASSES  
SOUTH OF THE AREA THIS AFTERNOON AHEAD OF A SLOWLY ADVANCING ARCTIC  
FRONT. ARCTIC HIGH PRESSURE WILL FOLLOW FOR MUCH OF THE 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 TONIGHT THROUGH MONDAY, ESPECIALLY ACROSS THE WIDER  
WATERS.  
 
 
 
ANZ535-192100-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
1108 AM EST SUN JAN 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON  
 
   
REST OF TODAY...NE WINDS 5 KT  
BECOMING N WITH GUSTS TO 20 KT  
LATE. WAVES 1 FT. SLEET. RAIN AND SNOW. VSBY 1 TO 3 NM...DECREASING  
TO 1 NM OR LESS THIS AFTERNOON.    
TONIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
MON...NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT  
INCREASING TO  
30 KT IN THE LATE MORNING AND AFTERNOON. WAVES 1 FT.    
MON NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
W WINDS AROUND 5 KT. WAVES 1 FT.    
TUE NIGHT  
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SNOW.    
WED...NW WINDS 5 TO 10 KT  
BECOMING SE. WAVES 1 FT.    
THU  
SW WINDS AROUND 5 KT. WAVES 1 FT.  
 
 
 
ANZ536-192100-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
1108 AM EST SUN JAN 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON  
 
   
REST OF TODAY...N WINDS 5 TO 10 KT  
INCREASING TO 15 KT WITH GUSTS  
TO 20 KT LATE. WAVES 1 TO 2 FT. SNOW. RAIN AND SLEET. VSBY 1 TO  
3 NM.    
TONIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
MON  
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
MON NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE  
W WINDS AROUND 5 KT. WAVES 1 FT.    
TUE NIGHT  
N 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  
SW WINDS 5 KT. WAVES LESS THAN 1 FT.  
 
 
 
ANZ537-192100-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
1108 AM EST SUN JAN 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON  
 
   
REST OF TODAY...NE WINDS 5 TO 10 KT  
BECOMING N 15 KT WITH GUSTS  
TO 20 KT LATE. WAVES 1 TO 2 FT. A SLIGHT CHANCE OF SNOW. RAIN AND  
SLEET. VSBY 1 TO 3 NM.    
TONIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT.    
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 20 KT. WAVES 2 TO  
3 FT.    
TUE  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT...NE WINDS 5 KT  
BECOMING N 10 TO 15 KT WITH GUSTS TO  
20 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. A CHANCE OF SNOW.    
WED...N WINDS 10 TO 15 KT  
BECOMING E 5 TO 10 KT. WAVES 2 TO  
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.    
THU...SW WINDS 5 TO 10 KT  
BECOMING N. WAVES 1 FT.  
 
 
 
ANZ530-192100-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
1108 AM EST SUN JAN 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON  
 
   
REST OF TODAY...NE WINDS 5 TO 10 KT  
BECOMING N 15 KT WITH GUSTS  
TO 20 KT LATE. WAVES 1 TO 2 FT. SNOW, A SLIGHT CHANCE OF RAIN AND  
SLEET LATE THIS MORNING, THEN SNOW WITH A SLIGHT CHANCE OF RAIN THIS  
AFTERNOON. VSBY 1 TO 3 NM... DECREASING TO 1 NM OR LESS THIS  
AFTERNOON.    
TONIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.  
SNOW. 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 20 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. A CHANCE OF SNOW.    
WED...NW WINDS 5 TO 10 KT  
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.   
THU  
SE WINDS AROUND 5 KT. WAVES 1 FT.  
 
 
 
ANZ531-192100-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
1108 AM EST SUN JAN 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON  
 
   
REST OF TODAY...NE WINDS 5 TO 10 KT  
BECOMING N 15 KT WITH GUSTS  
TO 25 KT LATE. WAVES 1 TO 2 FT...BUILDING TO 3 FT LATE. A SLIGHT  
CHANCE OF SLEET. SNOW WITH A SLIGHT CHANCE OF RAIN. VSBY 1 TO 3 NM...  
DECREASING TO 1 NM OR LESS THIS AFTERNOON.    
TONIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A  
CHANCE OF SNOW. VSBY 1 NM OR LESS.    
MON  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.    
MON NIGHT  
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO  
3 FT.    
TUE  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT  
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.  
WAVES 1 TO 2 FT. A CHANCE OF SNOW.    
WED...NW WINDS 10 TO 15 KT  
BECOMING E AROUND 5 KT. WAVES 1 TO  
2 FT.    
THU...S WINDS 5 TO 10 KT  
BECOMING N. WAVES 1 FT.  
 
 
 
ANZ538-192100-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
1108 AM EST SUN JAN 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON  
 
   
REST OF TODAY...NE WINDS 5 TO 10 KT  
BECOMING N 15 KT WITH GUSTS  
TO 20 KT LATE. WAVES 1 TO 2 FT. RAIN, SNOW AND SLEET LATE THIS  
MORNING, THEN SNOW, A SLIGHT CHANCE OF RAIN AND SLEET THIS  
AFTERNOON. VSBY 1 TO 3 NM...DECREASING TO 1 NM OR LESS THIS  
AFTERNOON.    
TONIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.  
SNOW. 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. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 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 5 TO 10 KT  
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT  
OR LESS.    
THU  
SW WINDS 5 KT. WAVES LESS THAN 1 FT.  
 
 
 
ANZ539-192100-  
CHESTER RIVER TO QUEENSTOWN MD-  
1108 AM EST SUN JAN 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON  
 
   
REST OF TODAY...NE WINDS 5 TO 10 KT  
BECOMING N 15 KT WITH GUSTS  
TO 25 KT LATE. WAVES 1 FT...BUILDING TO 3 FT LATE. SNOW. RAIN AND  
SLEET LATE THIS MORNING, THEN A SLIGHT CHANCE OF RAIN AND SLEET THIS  
AFTERNOON. VSBY 1 TO 3 NM.    
TONIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT.  
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. GUSTS UP TO 25 KT IN THE EVENING.  
WAVES 2 TO 3 FT.    
TUE  
W WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
TUE NIGHT  
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.  
WAVES 1 TO 2 FT. A CHANCE OF SNOW.    
WED...NW WINDS 10 TO 15 KT  
BECOMING E 5 KT. 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-  
1108 AM EST SUN JAN 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON  
 
   
REST OF TODAY...NE WINDS 10 KT  
BECOMING N 20 KT WITH GUSTS TO  
25 KT LATE. WAVES 1 TO 2 FT...BUILDING TO 3 FT LATE. RAIN AND SLEET  
WITH SNOW LIKELY LATE THIS MORNING, THEN SNOW, A SLIGHT CHANCE OF  
RAIN AND SLEET THIS AFTERNOON. VSBY 1 TO 3 NM.    
TONIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT.  
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 20 KT. WAVES 2 TO  
3 FT.    
TUE  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT  
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.  
WAVES 1 TO 2 FT. A CHANCE OF SNOW.    
WED...NW WINDS 10 TO 15 KT  
BECOMING E AROUND 5 KT. WAVES 1 TO  
2 FT.    
THU...S WINDS 5 TO 10 KT  
BECOMING N. WAVES 1 FT.  
 
 
 
ANZ540-192100-  
EASTERN BAY-  
1108 AM EST SUN JAN 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON  
 
   
REST OF TODAY...NE WINDS 5 TO 10 KT  
BECOMING N 15 KT WITH GUSTS  
TO 25 KT LATE. WAVES 1 TO 2 FT. RAIN, SNOW AND SLEET. VSBY 1 TO  
3 NM.    
TONIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.  
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 20 KT. WAVES 2 FT.    
TUE  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT  
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.  
WAVES 1 TO 2 FT. A CHANCE OF SNOW.    
WED...NW WINDS 10 TO 15 KT  
BECOMING E 5 KT. WAVES 1 TO 2 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-  
1108 AM EST SUN JAN 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON  
 
   
REST OF TODAY...NE WINDS 5 TO 10 KT  
BECOMING N 20 KT WITH GUSTS  
TO 25 KT LATE. WAVES 1 TO 2 FT...BUILDING TO 4 FT LATE. RAIN, SLEET  
LIKELY WITH A SLIGHT CHANCE OF SNOW LATE THIS MORNING, THEN RAIN,  
SNOW AND SLEET THIS AFTERNOON. VSBY 1 TO 3 NM.    
TONIGHT  
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.    
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 20 KT. WAVES 2 TO  
3 FT.    
TUE  
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
TUE NIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT  
 
BUILDING TO 3 FT AFTER MIDNIGHT. A CHANCE OF SNOW.    
WED...N WINDS 10 TO 15 KT  
BECOMING E 5 TO 10 KT. 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-  
1108 AM EST SUN JAN 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON  
 
   
REST OF TODAY...NE WINDS 5 TO 10 KT  
BECOMING N 20 KT WITH GUSTS  
TO 25 KT LATE. WAVES 1 FT...BUILDING TO 3 FT LATE. RAIN, SLEET  
LIKELY WITH A SLIGHT CHANCE OF SNOW LATE THIS MORNING, THEN RAIN,  
SNOW AND SLEET THIS AFTERNOON. VSBY 1 TO 3 NM.    
TONIGHT  
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.  
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 20 KT. WAVES 2 TO  
3 FT.    
TUE  
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
TUE NIGHT  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT. A CHANCE OF SNOW.    
WED...N WINDS 10 TO 15 KT  
BECOMING E 5 TO 10 KT. 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-  
1108 AM EST SUN JAN 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON  
 
   
REST OF TODAY...NE WINDS 5 TO 10 KT  
BECOMING N 15 KT WITH GUSTS  
TO 20 KT LATE. WAVES 1 TO 2 FT. RAIN AND SLEET LIKELY LATE THIS  
MORNING, THEN RAIN, SLEET AND SNOW THIS AFTERNOON WITH VSBY 1 TO  
3 NM.    
TONIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.    
MON  
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
MON NIGHT  
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TUE  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT...NE WINDS 5 KT  
BECOMING NW 10 TO 15 KT WITH GUSTS TO  
20 KT AFTER MIDNIGHT. WAVES 1 FT. A CHANCE OF SNOW.    
WED...N WINDS 10 TO 15 KT  
BECOMING E 5 KT. WAVES 1 FT.    
THU...S WINDS 5 KT  
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.  
 
 
 
ANZ534-192100-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
1108 AM EST SUN JAN 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON  
 
   
REST OF TODAY...NE WINDS 5 TO 10 KT  
BECOMING N 15 KT WITH GUSTS  
TO 20 KT LATE. WAVES 1 FT...BUILDING TO 3 FT LATE. A SLIGHT CHANCE  
OF SNOW. A CHANCE OF RAIN AND SLEET LATE THIS MORNING, THEN RAIN AND  
SLEET THIS AFTERNOON. VSBY 1 TO 3 NM.    
TONIGHT  
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 5 FT.    
MON  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT.    
MON NIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.    
TUE  
N WINDS 10 TO 15 KT. WAVES 2 FT.    
TUE NIGHT...NE WINDS 5 TO 10 KT  
BECOMING N 15 TO 20 KT AFTER  
MIDNIGHT. WAVES 1 FT...BUILDING TO 3 FT AFTER MIDNIGHT. A CHANCE OF  
SNOW.    
WED...N WINDS 15 TO 20 KT...BECOMING NE 5 TO 10 KT. WAVES 3 FT  
 
SUBSIDING TO 2 FT AFTER MIDNIGHT.    
THU...SE WINDS 5 TO 10 KT  
BECOMING N. WAVES 1 FT.  
 
 
 
ANZ543-192100-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
1108 AM EST SUN JAN 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON  
 
   
REST OF TODAY...NE WINDS 5 TO 10 KT  
BECOMING N 15 KT WITH GUSTS  
TO 20 KT LATE. WAVES 1 TO 2 FT. A SLIGHT CHANCE OF SNOW. A CHANCE OF  
RAIN AND SLEET LATE THIS MORNING, THEN RAIN AND SLEET THIS  
AFTERNOON. VSBY 1 TO 3 NM.    
TONIGHT  
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.    
MON  
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.    
MON NIGHT  
NW WINDS 15 TO 20 KT. WAVES 2 FT.    
TUE  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT...NE WINDS 5 TO 10 KT  
BECOMING N 15 TO 20 KT AFTER  
MIDNIGHT. WAVES 1 TO 2 FT. A CHANCE OF SNOW.    
WED...N WINDS 15 TO 20 KT  
BECOMING NE 5 TO 10 KT. WAVES 1 TO  
2 FT.    
THU...E WINDS 5 TO 10 KT  
BECOMING NW. WAVES 1 FT. A CHANCE OF  
SNOW IN THE EVENING.  
 
 
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