412  
FZUS51 KLWX 101134  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
734 AM EDT THU JUL 10 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.  
 
ANZ500-102000-  
734 AM EDT THU JUL 10 2025  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
A WEAK FRONT WILL REMAIN STALLED NEAR THE AREA THROUGH FRIDAY. A  
SECOND FRONT MAY SETTLE SOUTHWARD INTO THE AREA OVER THE WEEKEND.  
 
 
 
ANZ535-102000-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
734 AM EDT THU JUL 10 2025  
   
TODAY  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.  
ISOLATED TSTMS THIS MORNING, THEN SCATTERED TSTMS THIS AFTERNOON.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED  
SHOWERS AND TSTMS.    
FRI  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI NIGHT  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SAT  
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
SAT NIGHT  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SUN  
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
MON  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY  
THROUGH THE NIGHT. A CHANCE OF TSTMS. A CHANCE OF SHOWERS AFTER  
MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ536-102000-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
734 AM EDT THU JUL 10 2025  
   
TODAY  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND  
TSTMS. VSBY 1 NM OR LESS THIS AFTERNOON.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED  
SHOWERS AND TSTMS.    
FRI  
LIGHT WINDS. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT  
LIGHT WINDS. WAVES 1 FT OR LESS.    
SAT  
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
SAT NIGHT  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SUN  
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
MON  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY  
THROUGH THE NIGHT. A CHANCE OF TSTMS. A CHANCE OF SHOWERS AFTER  
MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ537-102000-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
734 AM EDT THU JUL 10 2025  
   
TODAY  
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS THIS MORNING, THEN NUMEROUS SHOWERS AND TSTMS THIS AFTERNOON  
WITH VSBY 1 NM OR LESS.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED  
SHOWERS AND TSTMS. VSBY 1 NM OR LESS.    
FRI  
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT  
S WINDS AROUND 5 KT. WAVES FLAT.    
SAT  
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
SAT NIGHT  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SUN  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
MON  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.  
A CHANCE OF TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ530-102000-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
734 AM EDT THU JUL 10 2025  
   
TODAY  
SW WINDS 5 KT. WAVES FLAT. SCATTERED TSTMS. SCATTERED  
SHOWERS THIS MORNING, THEN NUMEROUS SHOWERS THIS AFTERNOON. VSBY  
1 NM OR LESS.    
TONIGHT  
SW WINDS AROUND 5 KT. WAVES FLAT. NUMEROUS SHOWERS AND  
SCATTERED TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI  
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI NIGHT  
SE WINDS AROUND 5 KT. WAVES FLAT.    
SAT  
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT  
SE WINDS AROUND 5 KT. WAVES FLAT.    
SUN  
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS.    
MON  
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS IN THE MORNING, THEN SHOWERS AND TSTMS LIKELY THROUGH THE  
NIGHT. A CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ531-102000-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
734 AM EDT THU JUL 10 2025  
   
TODAY  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND  
TSTMS. VSBY 1 NM OR LESS THIS AFTERNOON.    
TONIGHT  
SW WINDS AROUND 5 KT. WAVES FLAT. NUMEROUS SHOWERS AND  
SCATTERED TSTMS. VSBY 1 NM OR LESS.    
FRI  
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT  
SE WINDS AROUND 5 KT. WAVES FLAT.    
SAT  
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT  
SE WINDS AROUND 5 KT. WAVES FLAT.    
SUN  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
MON  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS IN THE MORNING, THEN SHOWERS AND TSTMS LIKELY THROUGH THE  
NIGHT. A CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ538-102000-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
734 AM EDT THU JUL 10 2025  
   
TODAY  
SW WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS WITH ISOLATED  
TSTMS THIS MORNING, THEN SCATTERED SHOWERS AND TSTMS THIS AFTERNOON  
WITH VSBY 1 NM OR LESS.    
TONIGHT  
SW WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND  
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.    
FRI  
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI NIGHT  
SE WINDS AROUND 5 KT. WAVES FLAT.    
SAT  
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT  
SE WINDS AROUND 5 KT. WAVES FLAT.    
SUN  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
MON  
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS IN THE MORNING, THEN SHOWERS AND TSTMS LIKELY THROUGH THE  
NIGHT. A CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ539-102000-  
CHESTER RIVER TO QUEENSTOWN MD-  
734 AM EDT THU JUL 10 2025  
   
TODAY  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND  
TSTMS THIS MORNING, THEN NUMEROUS SHOWERS AND SCATTERED TSTMS THIS  
AFTERNOON WITH VSBY 1 NM OR LESS.   
TONIGHT  
SW WINDS AROUND 5 KT. WAVES FLAT. NUMEROUS SHOWERS AND  
SCATTERED TSTMS. VSBY 1 NM OR LESS.    
FRI  
LIGHT WINDS. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.    
FRI NIGHT  
SE WINDS AROUND 5 KT. WAVES FLAT.    
SAT  
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT  
SE WINDS AROUND 5 KT. WAVES FLAT.    
SUN  
SE WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.    
MON  
SW WINDS 5 KT. WAVES FLAT. A CHANCE OF TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ532-102000-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
734 AM EDT THU JUL 10 2025  
   
TODAY  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND  
TSTMS THIS MORNING, THEN NUMEROUS SHOWERS AND SCATTERED TSTMS THIS  
AFTERNOON WITH VSBY 1 NM OR LESS.   
TONIGHT  
SW WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND  
TSTMS. VSBY 1 NM OR LESS.    
FRI  
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT  
S WINDS AROUND 5 KT. WAVES FLAT.    
SAT  
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SUN  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
MON  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ540-102000-  
EASTERN BAY-  
734 AM EDT THU JUL 10 2025  
   
TODAY  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND  
TSTMS THIS MORNING, THEN NUMEROUS SHOWERS AND SCATTERED TSTMS THIS  
AFTERNOON WITH VSBY 1 NM OR LESS.   
TONIGHT  
SW WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND  
TSTMS.    
FRI  
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT  
SE WINDS AROUND 5 KT. WAVES FLAT.    
SAT  
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT  
SE WINDS AROUND 5 KT. WAVES FLAT.    
SUN  
SE WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.    
MON  
SW WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A CHANCE OF  
TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ533-102000-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
734 AM EDT THU JUL 10 2025  
   
TODAY  
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS THIS MORNING, THEN NUMEROUS SHOWERS AND TSTMS THIS AFTERNOON  
WITH VSBY 1 NM OR LESS.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED  
SHOWERS AND TSTMS. VSBY 1 NM OR LESS.    
FRI  
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT  
S WINDS 5 KT. WAVES FLAT.    
SAT  
E WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.    
SAT NIGHT  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SUN  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
MON  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS. A  
CHANCE OF TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ541-102000-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
734 AM EDT THU JUL 10 2025  
   
TODAY  
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SCATTERED SHOWERS  
AND TSTMS THIS MORNING, THEN NUMEROUS SHOWERS AND TSTMS THIS  
AFTERNOON WITH VSBY 1 NM OR LESS.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND  
TSTMS. VSBY 1 NM OR LESS.    
FRI  
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT  
SE WINDS AROUND 5 KT. WAVES FLAT.    
SAT  
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT  
SE WINDS AROUND 5 KT. WAVES FLAT.    
SUN  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
MON  
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS. A  
CHANCE OF TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ542-102000-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
734 AM EDT THU JUL 10 2025  
   
TODAY  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND  
TSTMS THIS MORNING, THEN NUMEROUS SHOWERS AND TSTMS THIS AFTERNOON.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
FRI  
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SAT  
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT  
SE WINDS AROUND 5 KT. WAVES 1 FT.    
SUN  
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
MON  
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS. A  
CHANCE OF TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ534-102000-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
734 AM EDT THU JUL 10 2025  
   
TODAY  
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SCATTERED SHOWERS AND  
TSTMS THIS MORNING, THEN NUMEROUS SHOWERS AND SCATTERED TSTMS THIS  
AFTERNOON WITH VSBY 1 NM OR LESS.   
TONIGHT  
S WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND  
TSTMS. VSBY 1 NM OR LESS.    
FRI  
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT  
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SAT  
E WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT  
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
SUN  
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
MON  
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS. A  
CHANCE OF TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ543-102000-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
734 AM EDT THU JUL 10 2025  
   
TODAY  
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS THIS MORNING, THEN NUMEROUS SHOWERS AND TSTMS THIS AFTERNOON  
WITH VSBY 1 NM OR LESS.    
TONIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
TSTMS. VSBY 1 NM OR LESS.    
FRI  
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS. VSBY 1 TO 3 NM.    
FRI NIGHT  
SE WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT  
E WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.    
SAT NIGHT  
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
SUN  
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AFTER MIDNIGHT.    
MON  
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS. A  
CHANCE OF TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
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