826  
FZUS51 KLWX 040535  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
134 AM EDT FRI JUL 4 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.  
 
ANZ500-042000-  
134 AM EDT FRI JUL 4 2025  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
HIGH PRESSURE WILL BUILD ACROSS THE AREA THIS WEEKEND, WHILE LOW  
PRESSURE DEVELOPS OFF THE SOUTHEAST COAST. A COLD FRONT WILL  
APPROACH THE WATERS FROM THE NORTHWEST EARLY NEXT WEEK. SMALL CRAFT  
ADVISORIES MAY BE NEEDED SUNDAY NIGHT.  
 
 
 
ANZ535-042000-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
134 AM EDT FRI JUL 4 2025  
   
OVERNIGHT  
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI  
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI NIGHT  
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SAT  
SE WINDS AROUND 5 KT. WAVES 1 FT.    
SAT NIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
MON  
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS THROUGH THE NIGHT.    
TUE  
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ536-042000-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
134 AM EDT FRI JUL 4 2025  
   
OVERNIGHT  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI NIGHT  
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SAT  
SE WINDS AROUND 5 KT. WAVES 1 FT.    
SAT NIGHT  
S WINDS AROUND 5 KT. WAVES 1 FT.    
SUN  
S WINDS AROUND 5 KT. WAVES 1 FT.    
SUN NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
MON  
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS THROUGH THE NIGHT.    
TUE  
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ537-042000-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
134 AM EDT FRI JUL 4 2025  
   
OVERNIGHT  
NW WINDS 10 KT. WAVES 1 FT.    
FRI  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT  
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SAT  
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
SAT NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
MON  
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS. A CHANCE  
OF TSTMS THROUGH THE NIGHT.    
TUE  
SW 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.  
 
 
 
ANZ530-042000-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
134 AM EDT FRI JUL 4 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EDT EARLY THIS  
MORNING...  
   
OVERNIGHT  
N WINDS 10 KT. WAVES 1 FT.    
FRI  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT  
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SAT  
SE WINDS AROUND 5 KT. WAVES 1 FT.    
SAT NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
MON  
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS  
THROUGH THE NIGHT.    
TUE  
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF TSTMS THROUGH  
THE NIGHT. A CHANCE OF SHOWERS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ531-042000-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
134 AM EDT FRI JUL 4 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EDT EARLY THIS  
MORNING...  
   
OVERNIGHT  
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
FRI  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT  
NE WINDS AROUND 5 KT. WAVES FLAT.    
SAT  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SAT NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
MON  
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS  
THROUGH THE NIGHT.    
TUE  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF TSTMS  
THROUGH THE NIGHT. A CHANCE OF SHOWERS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ538-042000-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
134 AM EDT FRI JUL 4 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EDT EARLY THIS  
MORNING...  
   
OVERNIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
N WINDS 5 KT. WAVES FLAT.    
FRI NIGHT  
NE WINDS AROUND 5 KT. WAVES FLAT.    
SAT  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SAT NIGHT  
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
SUN NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
MON  
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS THROUGH THE NIGHT.    
TUE  
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF TSTMS  
THROUGH THE NIGHT. A CHANCE OF SHOWERS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ539-042000-  
CHESTER RIVER TO QUEENSTOWN MD-  
134 AM EDT FRI JUL 4 2025  
   
OVERNIGHT  
N WINDS 10 KT. WAVES 1 FT.    
FRI  
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI NIGHT  
NE WINDS AROUND 5 KT. WAVES FLAT.    
SAT  
SE WINDS AROUND 5 KT. WAVES FLAT.    
SAT NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
SUN NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
MON  
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS  
THROUGH THE NIGHT.    
TUE  
SW 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.  
 
 
 
ANZ532-042000-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
134 AM EDT FRI JUL 4 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EDT EARLY THIS  
MORNING...  
   
OVERNIGHT  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT.    
FRI  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT  
E WINDS AROUND 5 KT. WAVES FLAT.    
SAT  
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
SAT NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN NIGHT  
S WINDS 5 TO 10 KT. WAVES 2 FT.    
MON  
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS  
THROUGH THE NIGHT.    
TUE  
SW 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.  
 
 
 
ANZ540-042000-  
EASTERN BAY-  
134 AM EDT FRI JUL 4 2025  
   
OVERNIGHT  
N WINDS 10 KT. WAVES 1 FT.    
FRI  
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI NIGHT  
E WINDS AROUND 5 KT. WAVES FLAT.    
SAT  
SE WINDS AROUND 5 KT. WAVES FLAT.    
SAT NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
MON  
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS. A CHANCE  
OF TSTMS THROUGH THE NIGHT.    
TUE  
SW 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.  
 
 
 
ANZ533-042000-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
134 AM EDT FRI JUL 4 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EDT EARLY THIS  
MORNING...  
   
OVERNIGHT  
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
FRI  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT  
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SAT  
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
SAT NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN NIGHT  
S WINDS 10 TO 15 KT. WAVES 2 FT.    
MON  
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS. A CHANCE  
OF TSTMS THROUGH THE NIGHT.    
TUE  
SW 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.  
 
 
 
ANZ541-042000-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
134 AM EDT FRI JUL 4 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EDT EARLY THIS  
MORNING...  
   
OVERNIGHT  
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
FRI  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT  
E WINDS AROUND 5 KT. WAVES FLAT.    
SAT  
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SAT NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
MON  
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS. A CHANCE  
OF TSTMS THROUGH THE NIGHT.    
TUE  
SW 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.  
 
 
 
ANZ542-042000-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
134 AM EDT FRI JUL 4 2025  
   
OVERNIGHT  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT  
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SAT  
SE WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
MON  
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS. A CHANCE  
OF TSTMS THROUGH THE NIGHT.    
TUE  
SW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ534-042000-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
134 AM EDT FRI JUL 4 2025  
   
OVERNIGHT  
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
FRI  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT  
E WINDS 5 KT. WAVES LESS THAN 1 FT.    
SAT  
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
SAT NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
SUN NIGHT  
S WINDS 10 TO 15 KT. WAVES 2 FT.    
MON  
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS. A  
CHANCE OF TSTMS THROUGH THE NIGHT.    
TUE  
SW 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.  
 
 
 
ANZ543-042000-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
134 AM EDT FRI JUL 4 2025  
   
OVERNIGHT...W WINDS 10 KT  
BECOMING N LATE. WAVES 1 FT.    
FRI  
N WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT...N WINDS 5 TO 10 KT  
BECOMING SE IN THE LATE EVENING  
AND OVERNIGHT. WAVES 1 FT OR LESS.    
SAT  
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
SAT NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN NIGHT  
S WINDS 10 TO 15 KT. WAVES 1 FT.    
MON  
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
TUE  
SW 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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