853  
FZUS51 KLWX 231159  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
759 AM EDT MON MAR 23 2026  
 
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.  
 
ANZ500-232000-  
759 AM EDT MON MAR 23 2026  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
HIGH PRESSURE WILL BUILD IN BEHIND A DEPARTING COLD FRONT AND  
PERSIST THROUGH EARLY THIS WEEK. THE NEXT COLD FRONT APPROACHES  
THURSDAY, THEN CROSSES SOMETIME THURSDAY NIGHT INTO FRIDAY. SMALL  
CRAFT ADVISORIES MAY BE NEEDED THURSDAY INTO FRIDAY.  
 

 
 
ANZ535-232000-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
759 AM EDT MON MAR 23 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
TODAY...N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
 
INCREASING TO  
30 KT THIS AFTERNOON. WAVES 1 FT. NUMEROUS SHOWERS, MAINLY THIS  
MORNING.    
TONIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
TUE...N WINDS 5 TO 10 KT
 
BECOMING SW LATE. WAVES 1 FT.    
TUE NIGHT
 
S WINDS AROUND 5 KT. WAVES 1 FT.    
WED
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN AFTER  
MIDNIGHT.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. RAIN LIKELY THROUGH THE DAY,  
THEN A CHANCE OF RAIN AND SNOW THROUGH THE NIGHT.  
 

 
 
ANZ536-232000-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
759 AM EDT MON MAR 23 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
TODAY
 
N WINDS 10 TO 15 KT. GUSTS UP TO 30 KT THIS AFTERNOON.  
WAVES 1 TO 2 FT. NUMEROUS SHOWERS, MAINLY THIS MORNING.    
TONIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
TUE...N WINDS 5 TO 10 KT
 
BECOMING SE LATE. WAVES 1 FT.    
TUE NIGHT
 
S WINDS AROUND 5 KT. WAVES 1 FT.    
WED
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
SW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN AFTER  
MIDNIGHT.    
FRI...W WINDS 10 TO 15 KT
 
BECOMING N. WAVES 1 FT. RAIN LIKELY  
THROUGH THE DAY, THEN A CHANCE OF SNOW IN THE EVENING. A CHANCE OF  
RAIN THROUGH THE NIGHT.  
 

 
 
ANZ537-232000-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
759 AM EDT MON MAR 23 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
TODAY...N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
 
INCREASING TO  
25 KT LATE. WAVES 1 TO 2 FT. SCATTERED SHOWERS WITH ISOLATED TSTMS  
THIS MORNING, THEN SCATTERED SHOWERS THIS AFTERNOON.    
TONIGHT
 
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
TUE...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING NE 5 KT  
IN THE AFTERNOON. WAVES 1 TO 2 FT.    
TUE NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 10 KT. WAVES 1 FT.    
THU
 
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN AFTER  
MIDNIGHT.    
FRI...SW WINDS 15 TO 20 KT
 
BECOMING N. WAVES 2 FT. A CHANCE OF  
RAIN.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ530-232000-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
759 AM EDT MON MAR 23 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
TODAY
 
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.  
NUMEROUS SHOWERS, MAINLY THIS MORNING.    
TONIGHT
 
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT UNTIL EARLY  
MORNING. WAVES 1 TO 2 FT.    
TUE...NW WINDS 5 TO 10 KT
 
BECOMING SW LATE. WAVES 1 FT OR LESS.    
TUE NIGHT
 
S WINDS AROUND 5 KT. WAVES FLAT.    
WED
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
SW WINDS 10 TO 15 KT. WAVES 1 FT. RAIN LIKELY AFTER MIDNIGHT.   
FRI...W WINDS 10 TO 15 KT
 
BECOMING N. WAVES 1 FT. RAIN LIKELY IN  
THE MORNING, THEN A CHANCE OF RAIN THROUGH THE NIGHT.  
 

 
 
ANZ531-232000-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
759 AM EDT MON MAR 23 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
TODAY...N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
 
BECOMING NW  
20 KT WITH GUSTS TO 30 KT LATE. WAVES 2 TO 3 FT. NUMEROUS SHOWERS,  
MAINLY THIS MORNING.    
TONIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO  
3 FT.    
TUE...N WINDS 10 TO 15 KT
 
BECOMING W AROUND 5 KT IN THE  
AFTERNOON. WAVES 1 TO 2 FT.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
WED NIGHT
 
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
THU
 
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN AFTER  
MIDNIGHT.    
FRI...W WINDS 15 TO 20 KT
 
BECOMING N. WAVES 2 FT. A CHANCE OF  
RAIN.  
 

 
 
ANZ538-232000-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
759 AM EDT MON MAR 23 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
TODAY...N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
 
INCREASING TO  
25 KT THIS AFTERNOON. WAVES 1 TO 2 FT. NUMEROUS SHOWERS, MAINLY THIS  
MORNING.    
TONIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO  
2 FT.    
TUE...N WINDS 5 TO 10 KT
 
BECOMING S IN THE AFTERNOON. WAVES 1 FT  
OR LESS.    
TUE NIGHT
 
S WINDS 5 KT. WAVES FLAT.    
WED
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. RAIN LIKELY AFTER MIDNIGHT.    
FRI...W WINDS 10 TO 15 KT
 
BECOMING N. WAVES 1 FT. RAIN LIKELY IN  
THE MORNING, THEN A CHANCE OF RAIN THROUGH THE NIGHT.  
 

 
 
ANZ539-232000-  
CHESTER RIVER TO QUEENSTOWN MD-  
759 AM EDT MON MAR 23 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
TODAY
 
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.  
NUMEROUS SHOWERS, MAINLY THIS MORNING.    
TONIGHT
 
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.   
TUE...N WINDS 10 TO 15 KT
 
BECOMING W AROUND 5 KT IN THE  
AFTERNOON. WAVES 1 TO 2 FT.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
WED
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 10 KT. WAVES 1 FT.    
THU
 
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN AFTER  
MIDNIGHT.    
FRI...W WINDS 15 TO 20 KT
 
BECOMING N 10 TO 15 KT. WAVES 2 FT.  
RAIN LIKELY THROUGH THE DAY, THEN A CHANCE OF RAIN IN THE EVENING.  
 

 
 
ANZ532-232000-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
759 AM EDT MON MAR 23 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
TODAY
 
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.  
NUMEROUS SHOWERS, MAINLY THIS MORNING.    
TONIGHT
 
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
TUE...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING NE 5 KT  
IN THE AFTERNOON. WAVES 1 TO 2 FT.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
WED NIGHT
 
S WINDS 10 TO 15 KT. WAVES 2 FT.    
THU...SW WINDS 10 KT
 
INCREASING TO 15 TO 20 KT. WAVES 2 TO 3 FT.  
A CHANCE OF RAIN AFTER MIDNIGHT.    
FRI...W WINDS 15 TO 20 KT
 
BECOMING N. WAVES 2 TO 3 FT. RAIN  
LIKELY THROUGH THE DAY, THEN A CHANCE OF SNOW IN THE EVENING. A  
CHANCE OF RAIN THROUGH THE NIGHT.  
 

 
 
ANZ540-232000-  
EASTERN BAY-  
759 AM EDT MON MAR 23 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
TODAY
 
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.  
NUMEROUS SHOWERS, MAINLY THIS MORNING.    
TONIGHT
 
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
TUE...N WINDS 10 TO 15 KT
 
BECOMING W 5 KT IN THE AFTERNOON. WAVES  
1 FT.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
WED
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 10 KT. WAVES 1 FT.    
THU
 
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN AFTER  
MIDNIGHT.    
FRI...W WINDS 15 TO 20 KT
 
BECOMING N 10 TO 15 KT. WAVES 1 TO  
2 FT. RAIN LIKELY THROUGH THE DAY, THEN A CHANCE OF RAIN THROUGH THE  
NIGHT.  
 

 
 
ANZ533-232000-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
759 AM EDT MON MAR 23 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
TODAY
 
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.  
NUMEROUS SHOWERS, MAINLY THIS MORNING.    
TONIGHT
 
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
TUE...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING E AROUND  
5 KT LATE. WAVES 3 FT...SUBSIDING TO 1 FT IN THE AFTERNOON.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
WED NIGHT
 
S WINDS 10 TO 15 KT. WAVES 2 FT.    
THU
 
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF RAIN AFTER  
MIDNIGHT.    
FRI...W WINDS 15 TO 20 KT
 
BECOMING N 20 TO 25 KT. WAVES 2 TO  
3 FT. RAIN LIKELY THROUGH THE DAY, THEN A CHANCE OF RAIN THROUGH THE  
NIGHT.  
 

 
 
ANZ541-232000-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
759 AM EDT MON MAR 23 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
TODAY
 
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.  
NUMEROUS SHOWERS, MAINLY THIS MORNING.    
TONIGHT
 
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
TUE...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING W 5 KT  
LATE. WAVES 1 TO 2 FT.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
S WINDS 10 TO 15 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 10 TO 15 KT. WAVES 1 FT.    
THU
 
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN AFTER  
MIDNIGHT.    
FRI...W WINDS 15 TO 20 KT
 
BECOMING N. WAVES 2 TO 3 FT. RAIN  
LIKELY THROUGH THE DAY, THEN A CHANCE OF RAIN THROUGH THE NIGHT.  
 

 
 
ANZ542-232000-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
759 AM EDT MON MAR 23 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
TODAY
 
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.  
NUMEROUS SHOWERS WITH ISOLATED TSTMS THIS MORNING, THEN SCATTERED  
SHOWERS THIS AFTERNOON.    
TONIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
TUE...N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
 
BECOMING E LATE.  
WAVES 1 FT.    
TUE NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
SW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN AFTER  
MIDNIGHT.    
FRI...W WINDS 10 TO 15 KT
 
BECOMING N. WAVES 1 FT. RAIN LIKELY  
THROUGH THE DAY, THEN A CHANCE OF RAIN THROUGH THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ534-232000-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
759 AM EDT MON MAR 23 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
TODAY
 
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.  
SCATTERED SHOWERS WITH ISOLATED TSTMS THIS MORNING, THEN SCATTERED  
SHOWERS THIS AFTERNOON.    
TONIGHT
 
N WINDS 20 TO 25 KT. WAVES 4 FT.    
TUE...N WINDS 15 TO 20 KT
 
BECOMING NW 5 TO 10 KT IN THE  
AFTERNOON. WAVES 3 FT...SUBSIDING TO 1 FT IN THE AFTERNOON.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 10 TO 15 KT. WAVES 2 FT.    
THU
 
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF RAIN AFTER  
MIDNIGHT.    
FRI...SW WINDS 15 TO 20 KT
 
BECOMING N. WAVES 3 FT. A CHANCE OF  
RAIN.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ543-232000-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
759 AM EDT MON MAR 23 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
TODAY...N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
 
INCREASING TO  
25 KT THIS AFTERNOON. WAVES 1 TO 2 FT. SCATTERED SHOWERS WITH  
ISOLATED TSTMS THIS MORNING, THEN SCATTERED SHOWERS THIS AFTERNOON.    
TONIGHT
 
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
TUE...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING W 5 KT  
LATE. WAVES 1 TO 2 FT.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 10 KT. WAVES 1 FT.    
THU
 
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN AFTER  
MIDNIGHT.    
FRI...SW WINDS 15 TO 20 KT
 
BECOMING N. WAVES 2 FT. A CHANCE OF  
RAIN.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
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