942  
FZUS51 KLWX 261458  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1057 AM EDT WED AUG 26 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.  
 
ANZ500-262000-  
1057 AM EDT WED AUG 26 2026  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
A COLD FRONT WILL APPROACH FROM THE NORTHWEST THURSDAY AND  
EVENTUALLY PASS TO THE SOUTHEAST AND WEAKEN BY EARLY SATURDAY. HIGH  
PRESSURE WILL BUILD NORTH OF THE AREA THIS WEEKEND. SMALL CRAFT  
ADVISORIES ARE POSSIBLE AGAIN ON THURSDAY AHEAD OF THE FRONT, ALONG  
WITH THE POTENTIAL FOR GUSTY THUNDERSTORMS IN THE AFTERNOON AND  
EVENING, WHICH MAY NECESSITATE SMWS.  
 
 
 
ANZ535-262000-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
1057 AM EDT WED AUG 26 2026  
   
REST OF TODAY  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT  
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU  
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
THU NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI  
N WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
FRI NIGHT  
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT  
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SUN  
S WINDS AROUND 5 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ536-262000-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
1057 AM EDT WED AUG 26 2026  
   
REST OF TODAY  
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
TONIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
THU NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI  
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
FRI NIGHT  
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT  
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SUN  
S WINDS AROUND 5 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ537-262000-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
1057 AM EDT WED AUG 26 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH  
LATE TONIGHT...  
   
REST OF TODAY...SW WINDS 5 KT  
BECOMING SE THIS AFTERNOON. WAVES  
1 FT OR LESS...BUILDING TO 2 FT LATE.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
THU  
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
THU NIGHT...S WINDS 10 TO 15 KT  
DIMINISHING TO 5 KT AFTER  
MIDNIGHT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND TSTMS.    
FRI  
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY.    
FRI NIGHT  
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.    
SAT  
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.    
SUN...SE WINDS 5 TO 10 KT  
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT  
OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ530-262000-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
1057 AM EDT WED AUG 26 2026  
   
REST OF TODAY  
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
TONIGHT  
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
THU  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS  
LIKELY WITH A CHANCE OF TSTMS.    
THU NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY  
WITH A CHANCE OF TSTMS.    
FRI  
N WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.    
FRI NIGHT  
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
SAT...NE WINDS 5 TO 10 KT  
BECOMING SE. WAVES 1 FT OR LESS.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ531-262000-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
1057 AM EDT WED AUG 26 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH  
LATE TONIGHT...  
   
REST OF TODAY...E WINDS 5 KT  
BECOMING S THIS AFTERNOON. WAVES  
1 FT OR LESS.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
THU  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS  
LIKELY WITH A CHANCE OF TSTMS.    
THU NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT  
BECOMING SW  
AROUND 5 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
FRI  
N WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.    
FRI NIGHT  
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
SAT...NE WINDS 5 TO 10 KT  
BECOMING SE. WAVES 1 FT.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ538-262000-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
1057 AM EDT WED AUG 26 2026  
   
REST OF TODAY  
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
TONIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU  
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 1 FT. SHOWERS  
LIKELY WITH A CHANCE OF TSTMS.    
THU NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY  
WITH A CHANCE OF TSTMS.    
FRI  
N WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.    
FRI NIGHT  
N WINDS AROUND 5 KT. WAVES FLAT.    
SAT  
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ539-262000-  
CHESTER RIVER TO QUEENSTOWN MD-  
1057 AM EDT WED AUG 26 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH  
LATE TONIGHT...  
   
REST OF TODAY  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
THU  
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
THU NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
FRI  
NW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.    
FRI NIGHT  
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SAT...E WINDS 5 TO 10 KT  
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT  
OR LESS.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ532-262000-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
1057 AM EDT WED AUG 26 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH  
LATE TONIGHT...  
   
REST OF TODAY...SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS  
BUILDING  
TO 2 FT LATE.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
THU  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE  
OF SHOWERS AND TSTMS.    
THU NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT  
DIMINISHING  
TO 5 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
FRI  
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.    
FRI NIGHT  
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
SAT...E WINDS 5 TO 10 KT  
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.    
SUN...S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS  
BUILDING TO 2 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ540-262000-  
EASTERN BAY-  
1057 AM EDT WED AUG 26 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH  
LATE TONIGHT...  
   
REST OF TODAY  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.   
THU  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE  
OF SHOWERS AND TSTMS.    
THU NIGHT  
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.    
FRI  
NW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.    
FRI NIGHT  
N WINDS AROUND 5 KT. WAVES FLAT.    
SAT...E WINDS 5 TO 10 KT  
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT  
OR LESS.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ533-262000-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
1057 AM EDT WED AUG 26 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH  
LATE TONIGHT...  
   
REST OF TODAY...S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS  
BUILDING  
TO 2 FT LATE.    
TONIGHT  
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
THU  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE  
OF SHOWERS AND TSTMS.    
THU NIGHT  
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND TSTMS.    
FRI  
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.    
FRI NIGHT  
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF  
SHOWERS.    
SAT  
E WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ541-262000-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
1057 AM EDT WED AUG 26 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH  
LATE TONIGHT...  
   
REST OF TODAY  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
THU  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE  
OF SHOWERS AND TSTMS.    
THU NIGHT  
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS.    
FRI  
NW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.    
FRI NIGHT  
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.    
SAT  
E WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ542-262000-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
1057 AM EDT WED AUG 26 2026  
   
REST OF TODAY...S WINDS 5 KT  
BECOMING SE LATE. WAVES 1 FT.    
TONIGHT  
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
THU  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT  
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI  
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
FRI NIGHT  
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT  
E WINDS AROUND 5 KT. WAVES 1 FT.    
SUN...SE WINDS 5 TO 10 KT  
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT.  
 
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ534-262000-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
1057 AM EDT WED AUG 26 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH  
LATE TONIGHT...  
   
REST OF TODAY...S WINDS 5 KT  
BECOMING SE LATE. WAVES 1 FT OR  
LESS...BUILDING TO 2 FT LATE.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.    
THU  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
THU NIGHT  
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND TSTMS.    
FRI  
W WINDS AROUND 5 KT. WAVES 1 FT.    
FRI NIGHT  
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF  
SHOWERS.    
SAT  
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SUN...SE WINDS 5 TO 10 KT  
BECOMING SW AFTER MIDNIGHT. WAVES 1 TO  
2 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ543-262000-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
1057 AM EDT WED AUG 26 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH  
LATE TONIGHT...  
   
REST OF TODAY...SW WINDS 5 KT  
BECOMING S LATE. WAVES 1 FT OR  
LESS.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
THU  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
THU NIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A  
CHANCE OF SHOWERS AND TSTMS.    
FRI  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.    
FRI NIGHT  
W WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.   
SAT  
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SUN...SE WINDS 5 TO 10 KT  
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT  
OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
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