040
FZUS51 KLWX 241828
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
228 PM EDT SAT OCT 24 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.
ANZ500-250800-
228 PM EDT SAT OCT 24 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A LARGE AREA OF HIGH PRESSURE WILL BUILD OVER THE NORTHEAST AND MID-
ATLANTIC THROUGH SUNDAY, THEN SHIFT SOUTHWARD AND WEAKEN OVER THE
CENTRAL APPALACHIANS MONDAY. A DRY BACKDOOR FRONT LOOKS TO DROP IN
FROM THE NORTH TUESDAY, WITH ANOTHER LARGE AREA OF HIGH PRESSURE
BUILDING IN BEHIND IT. SMALL CRAFT ADVISORIES MAY BE NEEDED TUESDAY
IN NORTHERLY FLOW.
ANZ535-250800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
228 PM EDT SAT OCT 24 2026
THIS AFTERNOON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
MON
W WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
TUE
NE WINDS AROUND 5 KT. WAVES 1 FT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-250800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
228 PM EDT SAT OCT 24 2026
THIS AFTERNOON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-250800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
228 PM EDT SAT OCT 24 2026
THIS AFTERNOON
E WINDS 10 KT. WAVES 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
MON
NW WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ530-250800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
228 PM EDT SAT OCT 24 2026
THIS AFTERNOON
E WINDS 5 KT. WAVES FLAT.
TONIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SUN
N WINDS AROUND 5 KT. WAVES FLAT.
SUN NIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
MON
NW WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ531-250800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
228 PM EDT SAT OCT 24 2026
THIS AFTERNOON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SUN
NE WINDS AROUND 5 KT. WAVES FLAT.
SUN NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
MON
W WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ538-250800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
228 PM EDT SAT OCT 24 2026
THIS AFTERNOON
E WINDS 5 KT. WAVES FLAT.
TONIGHT
NE WINDS AROUND 5 KT. WAVES FLAT.
SUN
NE WINDS AROUND 5 KT. WAVES FLAT.
SUN NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
MON
W WINDS 5 KT. WAVES FLAT.
MON NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
E WINDS AROUND 5 KT. WAVES 1 FT.
ANZ539-250800-
CHESTER RIVER TO QUEENSTOWN MD-
228 PM EDT SAT OCT 24 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES FLAT.
TONIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SUN
NE WINDS AROUND 5 KT. WAVES FLAT.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
MON
W WINDS 5 KT. WAVES FLAT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
E WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ532-250800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
228 PM EDT SAT OCT 24 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
MON
W WINDS 5 KT. WAVES FLAT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE...N WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ540-250800-
EASTERN BAY-
228 PM EDT SAT OCT 24 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES FLAT.
TONIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SUN
NE WINDS AROUND 5 KT. WAVES FLAT.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
MON
W WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ533-250800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
228 PM EDT SAT OCT 24 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
MON
NW WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING NE 5 TO 10 KT. WAVES 1 TO
2 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ541-250800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
228 PM EDT SAT OCT 24 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
MON
NW WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE...N WINDS 10 TO 15 KT
BECOMING E 5 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ542-250800-
PATUXENT RIVER TO BROOMES ISLAND MD-
228 PM EDT SAT OCT 24 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SUN
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT.
MON
NW WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT.
ANZ534-250800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
228 PM EDT SAT OCT 24 2026
THIS AFTERNOON
NE WINDS 10 KT. WAVES 1 FT.
TONIGHT
E WINDS 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ543-250800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
228 PM EDT SAT OCT 24 2026
THIS AFTERNOON
E WINDS 10 KT. WAVES 1 FT.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
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