991  
FZUS51 KLWX 101750  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
150 PM 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.  
 
ANZ500-110700-  
150 PM EDT THU JUL 10 2025  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
A WEAK FRONT WILL REMAIN STALLED JUST NORTH OF THE WATERS THROUGH  
FRIDAY BEFORE DISSIPATING. A SECOND FRONT MAY SETTLE SOUTHWARD INTO  
THE AREA OVER THE WEEKEND. A STRONGER COLD FRONT APPROACHES FROM THE  
WEST EARLY NEXT WEEK.  
 
 
 
ANZ535-110700-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
150 PM EDT THU JUL 10 2025  
   
THIS AFTERNOON  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED  
SHOWERS AND TSTMS. VSBY 1 NM OR LESS.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG. VSBY  
1 TO 3 NM.    
FRI  
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG. VSBY  
1 TO 3 NM.    
FRI NIGHT  
LIGHT WINDS. 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. A CHANCE OF SHOWERS AND  
TSTMS.    
MON  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH  
A CHANCE OF TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ536-110700-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
150 PM EDT THU JUL 10 2025  
   
THIS AFTERNOON  
S WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED  
SHOWERS AND TSTMS. VSBY 1 NM OR LESS.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED  
SHOWERS AND TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI  
LIGHT WINDS. WAVES 1 FT OR LESS. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI NIGHT  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF  
SHOWERS AND TSTMS.    
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  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH  
A CHANCE OF TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ537-110700-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
150 PM EDT THU JUL 10 2025  
   
THIS AFTERNOON  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS  
SHOWERS AND SCATTERED TSTMS. VSBY 1 NM OR LESS.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF  
SHOWERS AND TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.    
FRI  
NE WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG. VSBY 1 TO 3 NM.   
FRI NIGHT  
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS  
AND TSTMS.    
SAT  
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.   
SAT NIGHT  
SE WINDS AROUND 5 KT. WAVES 1 FT.    
SUN  
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS THROUGH THE NIGHT.    
MON  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH  
A CHANCE OF TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ530-110700-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
150 PM EDT THU JUL 10 2025  
   
THIS AFTERNOON  
SW WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS AND  
TSTMS. VSBY 1 NM OR LESS.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG. VSBY 1 TO  
3 NM.    
FRI  
LIGHT WINDS. WAVES FLAT. PATCHY FOG. VSBY 1 TO 3 NM.   
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 TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ531-110700-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
150 PM EDT THU JUL 10 2025  
   
THIS AFTERNOON  
S WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS AND  
TSTMS. VSBY 1 NM OR LESS.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG. VSBY 1 TO  
3 NM.    
FRI  
NE 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  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. 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  
AND TSTMS.    
MON  
S WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A CHANCE OF  
TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ538-110700-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
150 PM EDT THU JUL 10 2025  
   
THIS AFTERNOON  
S WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS AND  
TSTMS. VSBY 1 NM OR LESS.    
TONIGHT  
SW WINDS AROUND 5 KT. WAVES FLAT. 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 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 FLAT. SHOWERS LIKELY WITH A CHANCE  
OF TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ539-110700-  
CHESTER RIVER TO QUEENSTOWN MD-  
150 PM EDT THU JUL 10 2025  
   
THIS AFTERNOON  
SW WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS AND  
TSTMS. VSBY 1 NM OR LESS.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND  
TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI  
LIGHT WINDS. WAVES FLAT. A CHANCE OF SHOWERS. 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 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
MON  
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A CHANCE  
OF TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ532-110700-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
150 PM EDT THU JUL 10 2025  
   
THIS AFTERNOON  
S WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED  
SHOWERS AND TSTMS. 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  
NE WINDS AROUND 5 KT. WAVES FLAT. 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.    
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  
AND TSTMS.    
MON  
S 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.  
 
 
 
ANZ540-110700-  
EASTERN BAY-  
150 PM EDT THU JUL 10 2025  
   
THIS AFTERNOON  
SW WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS AND  
TSTMS. VSBY 1 NM OR LESS.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND  
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.    
FRI  
LIGHT WINDS. WAVES FLAT. 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.    
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. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ533-110700-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
150 PM EDT THU JUL 10 2025  
   
THIS AFTERNOON  
S WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED  
SHOWERS AND TSTMS. VSBY 1 NM OR LESS.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED  
SHOWERS AND TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.    
FRI  
N WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI NIGHT  
SE WINDS AROUND 5 KT. WAVES FLAT.    
SAT  
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.   
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  
AND TSTMS THROUGH THE NIGHT.    
MON  
S 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.  
 
 
 
ANZ541-110700-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
150 PM EDT THU JUL 10 2025  
   
THIS AFTERNOON  
SW WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS AND  
TSTMS. VSBY 1 NM OR LESS.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND  
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.    
FRI  
NW WINDS AROUND 5 KT. WAVES FLAT. 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.    
SAT NIGHT  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SUN  
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS THROUGH THE NIGHT.    
MON  
SW WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ542-110700-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
150 PM EDT THU JUL 10 2025  
   
THIS AFTERNOON  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED  
SHOWERS AND TSTMS. VSBY 1 NM OR LESS.    
TONIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED TSTMS  
WITH A CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI  
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. 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. A CHANCE OF SHOWERS.    
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 THROUGH THE NIGHT.    
MON  
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE  
OF TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ534-110700-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
150 PM EDT THU JUL 10 2025  
   
THIS AFTERNOON  
S WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED  
SHOWERS AND TSTMS. VSBY 1 NM OR LESS.    
TONIGHT  
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS  
AND TSTMS. VSBY 1 NM OR LESS.    
FRI  
E 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.    
SAT  
E WINDS 5 KT. WAVES LESS THAN 1 FT.    
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 AFTER MIDNIGHT.    
MON  
S 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.  
 
 
 
ANZ543-110700-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
150 PM EDT THU JUL 10 2025  
   
THIS AFTERNOON  
S WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS  
AND TSTMS. VSBY 1 NM OR LESS.    
TONIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF  
SHOWERS AND TSTMS. VSBY 1 NM OR LESS.    
FRI  
W WINDS 5 KT. WAVES FLAT. PATCHY FOG. VSBY 1 TO 3 NM.    
FRI NIGHT  
SE WINDS 5 KT. WAVES FLAT.    
SAT  
E WINDS 5 KT. WAVES LESS THAN 1 FT.    
SAT NIGHT  
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.   
SUN  
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS AFTER MIDNIGHT.    
MON  
S 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.  
 
 
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