176  
FZUS51 KLWX 060628  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
227 AM EDT MON JUL 6 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.  
 
ANZ500-062000-  
227 AM EDT MON JUL 6 2026  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
THE BROAD AREA OF HOT HIGH PRESSURE WILL CONTINUE FLATTEN AS A COLD  
FRONT DROPS IN FROM THE NORTH TONIGHT INTO MONDAY. THE FRONT WILL  
BRING CONTINUED CHANCES FOR STRONG THUNDERSTORMS THROUGH MONDAY,  
WITH SPECIAL MARINE WARNINGS LIKELY AT TIMES. THE FRONT WILL MEANDER  
NEARBY THROUGH TUESDAY BEFORE SAGGING SOUTHWARD TOWARD THE  
CAROLINAS MIDWEEK.  
 

 
 
ANZ535-062000-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
227 AM EDT MON JUL 6 2026  
   
OVERNIGHT
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS.    
MON
 
NE WINDS AROUND 5 KT. WAVES 1 FT. NUMEROUS SHOWERS AND TSTMS.   
MON NIGHT
 
NE WINDS AROUND 5 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
TUE
 
NE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
TUE NIGHT
 
NE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
WED
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED NIGHT
 
SE WINDS AROUND 5 KT. WAVES 1 FT.    
THU
 
SW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ536-062000-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
227 AM EDT MON JUL 6 2026  
   
OVERNIGHT
 
E WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS.  
PATCHY FOG. VSBY 1 TO 3 NM.    
MON
 
NE WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
MON NIGHT
 
E WINDS AROUND 5 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
TUE
 
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
TUE NIGHT
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY  
WITH A CHANCE OF TSTMS.    
WED
 
NE WINDS AROUND 5 KT. WAVES 1 FT.    
WED NIGHT
 
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
THU
 
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS. A  
CHANCE OF TSTMS.    
FRI
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS  
THROUGH THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ537-062000-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
227 AM EDT MON JUL 6 2026  
   
OVERNIGHT
 
E WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS  
AND TSTMS.    
MON
 
SE WINDS AROUND 5 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
SCATTERED TSTMS.    
MON NIGHT
 
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. NUMEROUS  
SHOWERS AND TSTMS.    
TUE
 
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
TUE NIGHT
 
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
WED
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
FRI
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS  
THROUGH THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ530-062000-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
227 AM EDT MON JUL 6 2026  
   
OVERNIGHT
 
E WINDS 10 KT. WAVES 1 FT. SCATTERED SHOWERS WITH  
ISOLATED TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.    
MON
 
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. NUMEROUS SHOWERS  
AND TSTMS.    
MON NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
SCATTERED TSTMS.    
TUE
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.    
TUE NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
WED
 
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
WED NIGHT
 
S WINDS AROUND 5 KT. WAVES FLAT.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI
 
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS THROUGH THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ531-062000-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
227 AM EDT MON JUL 6 2026  
   
OVERNIGHT
 
E WINDS 10 KT. WAVES 1 FT. SCATTERED SHOWERS WITH  
ISOLATED TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.    
MON
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND TSTMS.    
MON NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
TUE
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
TUE NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
WED
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ538-062000-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
227 AM EDT MON JUL 6 2026  
   
OVERNIGHT
 
E WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS  
WITH ISOLATED TSTMS.    
MON
 
E WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
MON NIGHT
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS AND  
SCATTERED TSTMS.    
TUE
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
TUE NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
WED
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED NIGHT
 
S WINDS 5 KT. WAVES FLAT.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
FRI
 
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ539-062000-  
CHESTER RIVER TO QUEENSTOWN MD-  
227 AM EDT MON JUL 6 2026  
   
OVERNIGHT
 
E WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS  
WITH ISOLATED TSTMS.    
MON
 
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. NUMEROUS SHOWERS  
AND TSTMS.    
MON NIGHT
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS AND  
NUMEROUS TSTMS.    
TUE
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
TUE NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
WED
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS AROUND 5 KT. WAVES FLAT.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ532-062000-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
227 AM EDT MON JUL 6 2026  
   
OVERNIGHT
 
E WINDS 10 KT. WAVES 1 FT. SCATTERED SHOWERS WITH  
ISOLATED TSTMS.    
MON
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
MON NIGHT
 
E WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS AND  
NUMEROUS TSTMS.    
TUE
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
TUE NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
WED
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ540-062000-  
EASTERN BAY-  
227 AM EDT MON JUL 6 2026  
   
OVERNIGHT
 
E WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS WITH  
ISOLATED TSTMS.    
MON
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
MON NIGHT
 
E WINDS 5 KT. WAVES FLAT. NUMEROUS SHOWERS AND TSTMS.    
TUE
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
TUE NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
WED
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 5 KT. WAVES FLAT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ533-062000-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
227 AM EDT MON JUL 6 2026  
   
OVERNIGHT
 
E WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS AND TSTMS.    
MON
 
NE WINDS AROUND 5 KT. WAVES 1 FT. NUMEROUS SHOWERS AND TSTMS.   
MON NIGHT
 
E WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS  
AND TSTMS.    
TUE
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE  
OF TSTMS.    
TUE NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
WED
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS  
THROUGH THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ541-062000-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
227 AM EDT MON JUL 6 2026  
   
OVERNIGHT
 
E WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS AND TSTMS.    
MON
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
MON NIGHT
 
E WINDS 5 KT. WAVES FLAT. NUMEROUS SHOWERS AND TSTMS.    
TUE
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
TUE NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
WED
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS  
THROUGH THE NIGHT. A CHANCE OF TSTMS AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ542-062000-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
227 AM EDT MON JUL 6 2026  
   
OVERNIGHT
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS  
AND TSTMS.    
MON
 
E WINDS AROUND 5 KT. WAVES 1 FT. NUMEROUS SHOWERS AND TSTMS.    
MON NIGHT
 
NE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS AND NUMEROUS  
TSTMS.    
TUE
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
TUE NIGHT
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY  
WITH A CHANCE OF TSTMS.    
WED
 
NE 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. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS THROUGH THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ534-062000-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
227 AM EDT MON JUL 6 2026  
   
OVERNIGHT
 
SE WINDS 10 KT. WAVES 2 FT. ISOLATED SHOWERS AND TSTMS.   
MON
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
SCATTERED TSTMS.    
MON NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS AND  
SCATTERED TSTMS.    
TUE
 
N WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
TUE NIGHT
 
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
WED
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
THU...S WINDS 5 KT
 
INCREASING TO 10 TO 15 KT IN THE AFTERNOON AND  
EVENING, THEN BECOMING SW AFTER MIDNIGHT. WAVES 1 TO 2 FT. A CHANCE  
OF SHOWERS AND TSTMS.    
FRI
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS  
THROUGH THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ543-062000-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
227 AM EDT MON JUL 6 2026  
   
OVERNIGHT
 
SE WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS AND TSTMS.   
MON
 
S WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
SCATTERED TSTMS.    
MON NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS AND  
SCATTERED TSTMS.    
TUE
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
TUE NIGHT
 
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
WED
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
THU...S WINDS 5 KT
 
INCREASING TO 10 TO 15 KT. WAVES 1 TO 2 FT. A  
CHANCE OF SHOWERS AND TSTMS.    
FRI
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS  
THROUGH THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
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