203  
FZUS51 KLWX 100536  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
136 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-  
136 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-  
136 AM EDT THU JUL 10 2025  
   
OVERNIGHT  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS  
WITH ISOLATED TSTMS.    
THU  
SW WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
THU NIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED  
SHOWERS AND TSTMS.    
FRI  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS. PATCHY FOG.    
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-  
136 AM EDT THU JUL 10 2025  
   
OVERNIGHT  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS  
WITH ISOLATED TSTMS.    
THU  
SW WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
THU NIGHT  
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-  
136 AM EDT THU JUL 10 2025  
   
OVERNIGHT  
SW WINDS 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
THU  
SW WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND TSTMS.    
THU NIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED  
SHOWERS AND TSTMS.    
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-  
136 AM EDT THU JUL 10 2025  
   
OVERNIGHT  
SW WINDS 5 TO 10 KT. WAVES FLAT. SCATTERED SHOWERS WITH  
ISOLATED TSTMS.    
THU  
SW WINDS AROUND 5 KT. WAVES FLAT. NUMEROUS SHOWERS AND  
SCATTERED TSTMS.    
THU NIGHT  
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.    
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-  
136 AM EDT THU JUL 10 2025  
   
OVERNIGHT  
W WINDS 10 KT. WAVES 1 FT. SCATTERED SHOWERS WITH  
ISOLATED TSTMS.    
THU  
SW WINDS 5 TO 10 KT. WAVES FLAT. SCATTERED SHOWERS AND TSTMS.   
THU NIGHT  
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  
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-  
136 AM EDT THU JUL 10 2025  
   
OVERNIGHT  
W WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS WITH  
ISOLATED TSTMS.    
THU  
SW WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS AND TSTMS.    
THU NIGHT  
SW WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND  
TSTMS. PATCHY FOG.    
FRI  
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND  
TSTMS. PATCHY FOG.    
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.  
 
 
 
ANZ539-102000-  
CHESTER RIVER TO QUEENSTOWN MD-  
136 AM EDT THU JUL 10 2025  
   
OVERNIGHT  
SW WINDS 10 KT. WAVES 1 FT OR LESS. SCATTERED SHOWERS  
WITH ISOLATED TSTMS.    
THU  
SW WINDS 5 KT. WAVES FLAT. NUMEROUS SHOWERS AND SCATTERED  
TSTMS.    
THU NIGHT  
SW WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND  
TSTMS.    
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-  
136 AM EDT THU JUL 10 2025  
   
OVERNIGHT  
SW WINDS 10 KT. WAVES 1 FT. SCATTERED SHOWERS WITH  
ISOLATED TSTMS.    
THU  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND  
SCATTERED TSTMS.    
THU NIGHT  
SW WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND  
TSTMS.    
FRI  
NE 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-  
136 AM EDT THU JUL 10 2025  
   
OVERNIGHT  
SW WINDS 10 KT. WAVES 1 FT. SCATTERED SHOWERS WITH  
ISOLATED TSTMS.    
THU  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. NUMEROUS SHOWERS  
AND SCATTERED TSTMS.    
THU NIGHT  
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-  
136 AM EDT THU JUL 10 2025  
   
OVERNIGHT  
SW WINDS 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
THU  
SW WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND TSTMS.    
THU NIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED  
SHOWERS AND TSTMS.    
FRI  
NE 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-  
136 AM EDT THU JUL 10 2025  
   
OVERNIGHT  
SW WINDS 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
THU  
SW WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND TSTMS.    
THU NIGHT  
S 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 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-  
136 AM EDT THU JUL 10 2025  
   
OVERNIGHT  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS  
AND TSTMS.    
THU  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
THU NIGHT  
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-  
136 AM EDT THU JUL 10 2025  
   
OVERNIGHT  
SW WINDS 15 KT. WAVES 2 FT. NUMEROUS SHOWERS AND  
SCATTERED TSTMS.    
THU  
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. NUMEROUS TSTMS AND  
SCATTERED SHOWERS.    
THU NIGHT  
S WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS TSTMS AND  
SCATTERED SHOWERS.    
FRI  
SW 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-  
136 AM EDT THU JUL 10 2025  
   
OVERNIGHT  
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.  
NUMEROUS SHOWERS AND SCATTERED TSTMS.    
THU  
SW WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND TSTMS.    
THU NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
FRI  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
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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