888  
FZUS51 KLWX 301606  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1206 PM EDT TUE JUN 30 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.  
 
ANZ500-010800-  
1206 PM EDT TUE JUN 30 2026  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
AN AREA OF HIGH PRESSURE WILL BUILD NEAR AND SOUTH OF THE MID-  
ATLANTIC THROUGH THE WEEK. A POP UP SHOWER OR THUNDERSTORM CAN'T  
TOTALLY BE RULED OUT NEAR ANY BAY OR RIVER BREEZES EACH AFTERNOON,  
THOUGH MOST OF THE TIME SHOULD BE DRY UNTIL FRIDAY WHEN THE HIGH  
PRESSURE BEGINS TO SHIFT. THE CHANCE OF STRONG THUNDERSTORMS WILL  
INCREASE FRIDAY INTO THE WEEKEND. SOUTHERLY CHANNELING MAY REQUIRE  
THE ISSUANCE OF SMALL CRAFT ADVISORIES AT TIMES THROUGH THURSDAY.  
 
 
 
ANZ535-010800-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
1206 PM EDT TUE JUN 30 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH  
WEDNESDAY EVENING...  
   
THIS AFTERNOON  
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TONIGHT  
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
WED  
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE. WAVES 1 FT.    
WED NIGHT  
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 FT.    
THU  
SW WINDS AROUND 5 KT. WAVES 1 FT.    
THU NIGHT  
SW WINDS AROUND 5 KT. WAVES 1 FT.    
FRI  
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS THROUGH THE NIGHT.    
SAT  
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.  
 
 
 
ANZ536-010800-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
1206 PM EDT TUE JUN 30 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH  
WEDNESDAY EVENING...  
   
THIS AFTERNOON  
SE WINDS 10 KT. GUSTS UP TO 20 KT LATE. WAVES  
1 FT.    
TONIGHT  
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
WED  
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE. WAVES 1 FT.    
WED NIGHT  
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
THU  
S WINDS AROUND 5 KT. WAVES 1 FT.    
THU NIGHT  
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI  
W WINDS AROUND 5 KT. WAVES 1 FT.    
SAT  
SW WINDS AROUND 5 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.  
 
 
 
ANZ537-010800-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
1206 PM EDT TUE JUN 30 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH  
LATE WEDNESDAY NIGHT...  
   
THIS AFTERNOON  
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES  
1 FT.    
TONIGHT...S WINDS 10 TO 15 KT  
BECOMING 10 KT LATE. GUSTS UP TO  
20 KT. WAVES 2 FT.    
WED  
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT.    
WED NIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT.    
THU  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT  
SW 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.  
 
 
 
ANZ530-010800-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
1206 PM EDT TUE JUN 30 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON  
THROUGH LATE TONIGHT...  
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH  
WEDNESDAY EVENING...  
   
THIS AFTERNOON  
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES  
1 TO 2 FT.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
WED  
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT LATE. WAVES 1 TO  
2 FT.    
WED NIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
THU  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
W WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT  
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.  
 
 
 
ANZ531-010800-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
1206 PM EDT TUE JUN 30 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH  
LATE WEDNESDAY NIGHT...  
   
THIS AFTERNOON  
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT.    
TONIGHT  
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
WED...S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT  
INCREASING TO 25 KT  
LATE. WAVES 2 FT.    
WED NIGHT...S WINDS 10 TO 15 KT. GUSTS UP TO 30 KT  
DIMINISHING TO  
20 KT AFTER MIDNIGHT. WAVES 2 FT.    
THU  
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
THU NIGHT  
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 TO 2 FT.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT  
SW 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.  
 
 
 
ANZ538-010800-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
1206 PM EDT TUE JUN 30 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH  
LATE WEDNESDAY NIGHT...  
   
THIS AFTERNOON  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES  
1 FT.    
TONIGHT  
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
WED  
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A CHANCE  
OF SHOWERS.    
WED NIGHT...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT  
DIMINISHING  
TO 5 KT AFTER MIDNIGHT. WAVES 1 FT.    
THU  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
THU NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.   
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS THROUGH THE NIGHT.    
SAT  
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ539-010800-  
CHESTER RIVER TO QUEENSTOWN MD-  
1206 PM EDT TUE JUN 30 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON  
THROUGH LATE TONIGHT...  
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH  
LATE WEDNESDAY NIGHT...  
   
THIS AFTERNOON  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES  
1 TO 2 FT.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
WED  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
WED NIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
THU  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT  
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 FT.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ532-010800-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
1206 PM EDT TUE JUN 30 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH  
LATE WEDNESDAY NIGHT...  
   
THIS AFTERNOON  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES  
1 FT...BUILDING TO 3 FT LATE.    
TONIGHT  
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
WED...S WINDS 15 TO 20 KT. GUSTS UP TO 20 KT  
INCREASING TO 30 KT  
LATE. WAVES 2 FT.    
WED NIGHT...S WINDS 15 TO 20 KT. GUSTS UP TO 30 KT  
DIMINISHING TO  
20 KT AFTER MIDNIGHT. WAVES 2 FT.    
THU  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
THU NIGHT  
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 TO 2 FT.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT  
SW 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.  
 
 
 
ANZ540-010800-  
EASTERN BAY-  
1206 PM EDT TUE JUN 30 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON  
THROUGH LATE TONIGHT...  
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH  
LATE WEDNESDAY NIGHT...  
   
THIS AFTERNOON  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES  
1 TO 2 FT.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
WED  
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT LATE. WAVES 1 TO 2 FT.   
WED NIGHT...S WINDS 10 TO 15 KT. GUSTS UP TO 30 KT  
DIMINISHING TO  
20 KT AFTER MIDNIGHT. WAVES 1 FT.    
THU  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT  
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 FT.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT  
SW 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.  
 
 
 
ANZ533-010800-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
1206 PM EDT TUE JUN 30 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH  
LATE WEDNESDAY NIGHT...  
   
THIS AFTERNOON  
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
WED...S WINDS 10 TO 15 KT  
INCREASING TO 15 TO 20 KT WITH GUSTS TO  
25 KT IN THE AFTERNOON. WAVES 2 FT.    
WED NIGHT...S WINDS 15 TO 20 KT. GUSTS UP TO 30 KT  
DIMINISHING TO  
20 KT AFTER MIDNIGHT. WAVES 2 FT.    
THU  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
THU NIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT  
SW 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.  
 
 
 
ANZ541-010800-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
1206 PM EDT TUE JUN 30 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON  
THROUGH LATE TONIGHT...  
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH  
LATE WEDNESDAY NIGHT...  
   
THIS AFTERNOON  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES  
1 TO 2 FT.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
WED  
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT LATE. WAVES 1 TO 2 FT.   
WED NIGHT...S WINDS 15 TO 20 KT. GUSTS UP TO 30 KT  
DIMINISHING TO  
20 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.    
THU  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT  
SW 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.  
 
 
 
ANZ542-010800-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
1206 PM EDT TUE JUN 30 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH  
WEDNESDAY EVENING...  
   
THIS AFTERNOON  
SE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TONIGHT  
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
WED  
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT LATE. WAVES 1 FT.    
WED NIGHT  
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.  
WAVES 1 FT.    
THU  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT...LIGHT WINDS  
BECOMING SW 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.  
 
 
 
ANZ534-010800-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
1206 PM EDT TUE JUN 30 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON  
THROUGH LATE TONIGHT...  
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH  
LATE WEDNESDAY NIGHT...  
   
THIS AFTERNOON  
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.    
WED...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT  
INCREASING TO  
15 TO 20 KT WITH GUSTS TO 25 KT LATE. WAVES 2 TO 3 FT.    
WED NIGHT  
S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO  
3 FT.    
THU  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
THU NIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
FRI  
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
SAT  
SW 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.  
 
 
 
ANZ543-010800-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
1206 PM EDT TUE JUN 30 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON  
THROUGH LATE TONIGHT...  
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH  
LATE WEDNESDAY NIGHT...  
   
THIS AFTERNOON  
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
WED...S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT  
INCREASING TO 25 KT  
LATE. WAVES 1 TO 2 FT.    
WED NIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
THU  
S WINDS 10 TO 15 KT. WAVES 1 FT.    
THU NIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
FRI  
SW WINDS 10 TO 15 KT. WAVES 1 FT.    
SAT  
SW 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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