572  
FZUS51 KLWX 081205  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
805 AM EDT THU MAY 8 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.  
 
ANZ500-082000-  
805 AM EDT THU MAY 8 2025  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
A COLD FRONT WILL SLOWLY CROSS THE WATERS LATE TODAY AND THEN  
STALL. COASTAL LOW PRESSURE WILL FORM ALONG THE FRONT FRIDAY, AND IT  
WILL MOVE NORTH TOWARDS NEW YORK CITY FRIDAY EVENING. HIGH PRESSURE  
MOVES IN FOR THE WEEKEND. SHOWERS AND THUNDERSTORMS COULD PRODUCE  
GUSTY WINDS OVER THE WATERS LATE TODAY AND TONIGHT. SMALL CRAFT  
ADVISORIES MAY BE NEEDED WITH GUSTY NORTH TO NORTHWEST WINDS FRIDAY  
AFTERNOON THROUGH SATURDAY MORNING.  
 
 
 
ANZ535-082000-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
805 AM EDT THU MAY 8 2025  
   
TODAY  
E WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS THIS  
AFTERNOON.    
TONIGHT  
NE WINDS AROUND 5 KT. WAVES 1 FT. WIDESPREAD SHOWERS WITH  
A CHANCE OF TSTMS.    
FRI  
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE  
OF TSTMS.    
FRI NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
NE WINDS AROUND 5 KT. WAVES 1 FT.    
MON  
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ536-082000-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
805 AM EDT THU MAY 8 2025  
   
TODAY  
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED SHOWERS  
THIS AFTERNOON.    
TONIGHT  
NE WINDS 5 KT. WAVES LESS THAN 1 FT. WIDESPREAD SHOWERS  
WITH A CHANCE OF TSTMS. VSBY 1 NM OR LESS.    
FRI  
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE  
OF TSTMS.    
FRI NIGHT  
NW WINDS 10 KT. WAVES 1 FT.    
SAT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
E WINDS AROUND 5 KT. WAVES 1 FT.    
MON  
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ537-082000-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
805 AM EDT THU MAY 8 2025  
   
TODAY  
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. ISOLATED SHOWERS  
THIS AFTERNOON.    
TONIGHT  
E WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS WITH A  
CHANCE OF TSTMS. VSBY 1 NM OR LESS.    
FRI  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A  
CHANCE OF SHOWERS AND TSTMS.    
FRI NIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SAT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SAT NIGHT  
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
SUN  
E WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON  
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ530-082000-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
805 AM EDT THU MAY 8 2025  
   
TODAY  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS THIS  
AFTERNOON.    
TONIGHT...E WINDS 5 KT  
BECOMING NE LATE. WAVES 1 FT. WIDESPREAD  
SHOWERS WITH A CHANCE OF TSTMS. VSBY 1 NM OR LESS.    
FRI  
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS  
LIKELY.    
FRI NIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
SAT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
SAT NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
NE WINDS AROUND 5 KT. WAVES 1 FT.    
MON  
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AFTER  
MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ531-082000-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
805 AM EDT THU MAY 8 2025  
   
TODAY...N WINDS AROUND 5 KT  
BECOMING S LATE. WAVES 1 FT OR LESS.  
SCATTERED SHOWERS THIS AFTERNOON.    
TONIGHT...E WINDS 5 KT  
BECOMING NE LATE. WAVES 1 FT. WIDESPREAD  
SHOWERS WITH A CHANCE OF TSTMS. VSBY 1 NM OR LESS.    
FRI  
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE. WAVES 1 FT.  
SHOWERS LIKELY.    
FRI NIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SAT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SAT NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.   
SUN  
NE WINDS 5 KT. WAVES FLAT.    
MON  
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ538-082000-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
805 AM EDT THU MAY 8 2025  
   
TODAY  
NE WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS THIS  
AFTERNOON.    
TONIGHT...E WINDS 5 KT  
BECOMING NE LATE. WAVES 1 FT OR LESS.  
WIDESPREAD SHOWERS WITH A CHANCE OF TSTMS.    
FRI  
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.    
FRI NIGHT  
NW WINDS 10 KT. WAVES 1 FT.    
SAT  
NW WINDS 10 KT. WAVES 1 FT.    
SAT NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.   
SUN  
NE WINDS AROUND 5 KT. WAVES FLAT.    
MON  
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS  
AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ539-082000-  
CHESTER RIVER TO QUEENSTOWN MD-  
805 AM EDT THU MAY 8 2025  
   
TODAY...NW WINDS AROUND 5 KT  
BECOMING S LATE. WAVES 1 FT OR LESS.  
SCATTERED SHOWERS THIS AFTERNOON.    
TONIGHT...SE WINDS 5 KT  
BECOMING NE LATE. WAVES 1 FT. WIDESPREAD  
SHOWERS WITH A CHANCE OF TSTMS. VSBY 1 NM OR LESS.    
FRI  
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE  
OF TSTMS.    
FRI NIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SAT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SAT NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.   
SUN  
NE WINDS 5 KT. WAVES FLAT.    
MON  
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ532-082000-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
805 AM EDT THU MAY 8 2025  
   
TODAY...NE WINDS 5 KT  
BECOMING SE LATE. WAVES 1 FT OR LESS.  
SCATTERED SHOWERS THIS AFTERNOON.    
TONIGHT...SE WINDS 5 KT  
BECOMING NE LATE. WAVES 1 FT. WIDESPREAD  
SHOWERS WITH A CHANCE OF TSTMS. VSBY 1 NM OR LESS.    
FRI  
N WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE  
OF TSTMS.    
FRI NIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SAT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SAT NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.   
SUN  
E WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON  
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AFTER  
MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ540-082000-  
EASTERN BAY-  
805 AM EDT THU MAY 8 2025  
   
TODAY  
W WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS THIS AFTERNOON.   
TONIGHT  
E WINDS 5 KT. WAVES LESS THAN 1 FT. WIDESPREAD SHOWERS  
WITH A CHANCE OF TSTMS. VSBY 1 NM OR LESS.    
FRI  
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE  
OF TSTMS.    
FRI NIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
SAT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
SAT NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.   
SUN  
NE WINDS 5 KT. WAVES FLAT.    
MON  
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ533-082000-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
805 AM EDT THU MAY 8 2025  
   
TODAY  
E WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS THIS  
AFTERNOON.    
TONIGHT...SE WINDS 5 TO 10 KT  
BECOMING NE AFTER MIDNIGHT. WAVES  
1 FT. WIDESPREAD SHOWERS WITH A CHANCE OF TSTMS. VSBY 1 NM OR LESS.    
FRI  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A  
CHANCE OF SHOWERS AND TSTMS.    
FRI NIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SAT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SAT NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
E WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON  
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ541-082000-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
805 AM EDT THU MAY 8 2025  
   
TODAY  
E WINDS 5 KT. WAVES FLAT. ISOLATED SHOWERS THIS AFTERNOON.    
TONIGHT  
E WINDS 5 KT. WAVES LESS THAN 1 FT. WIDESPREAD SHOWERS  
WITH A CHANCE OF TSTMS. VSBY 1 NM OR LESS.    
FRI  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS  
LIKELY WITH A CHANCE OF TSTMS.    
FRI NIGHT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SAT  
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SAT NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
NE WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON  
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AFTER  
MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ542-082000-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
805 AM EDT THU MAY 8 2025  
   
TODAY  
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. ISOLATED SHOWERS  
THIS AFTERNOON.    
TONIGHT  
E WINDS 5 KT. WAVES LESS THAN 1 FT. WIDESPREAD SHOWERS  
WITH A CHANCE OF TSTMS.    
FRI  
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT  
NW WINDS 10 KT. WAVES 1 FT.    
SAT  
NW WINDS 10 KT. WAVES 1 FT.    
SAT NIGHT  
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
SUN  
E WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON  
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ534-082000-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
805 AM EDT THU MAY 8 2025  
   
TODAY  
SE WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS THIS  
AFTERNOON.    
TONIGHT  
E WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS WITH A  
CHANCE OF TSTMS. VSBY 1 NM OR LESS.    
FRI...N WINDS 10 TO 15 KT  
BECOMING NW WITH GUSTS TO 20 KT LATE.  
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND TSTMS.    
FRI NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
SAT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
SAT NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
SUN...N WINDS 5 KT  
BECOMING SE. WAVES 1 FT.    
MON  
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ543-082000-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
805 AM EDT THU MAY 8 2025  
   
TODAY...SE WINDS 5 KT  
BECOMING S LATE. WAVES 1 FT OR LESS.  
ISOLATED SHOWERS THIS AFTERNOON.    
TONIGHT  
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS. VSBY 1 NM OR LESS.    
FRI...E WINDS 5 TO 10 KT  
BECOMING S LATE IN THE MORNING, THEN  
BECOMING NW 10 TO 15 KT WITH GUSTS TO 20 KT IN THE AFTERNOON. WAVES  
1 FT. A CHANCE OF SHOWERS AND TSTMS.    
FRI NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
SAT  
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
SAT NIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN...NW WINDS 5 KT  
BECOMING SE. WAVES 1 FT.    
MON  
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AFTER  
MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
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