789
FZUS51 KLWX 252056
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
456 PM EDT SUN OCT 25 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.
ANZ500-260800-
456 PM EDT SUN OCT 25 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 TONIGHT, 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 FOR
PORTIONS OF THE WATERS TUESDAY MORNING IN NORTHERLY FLOW.
ANZ535-260800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
456 PM EDT SUN OCT 25 2026
REST OF THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
W WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
TUE
N WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT.
THU
S WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-260800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
456 PM EDT SUN OCT 25 2026
REST OF THIS AFTERNOON
SE WINDS 5 KT. WAVES FLAT.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
MON
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
TUE
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT.
THU
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ537-260800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
456 PM EDT SUN OCT 25 2026
REST OF THIS AFTERNOON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
NE WINDS AROUND 5 KT. WAVES FLAT.
MON
NW WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES FLAT.
ANZ530-260800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
456 PM EDT SUN OCT 25 2026
REST OF THIS AFTERNOON
S WINDS 5 KT. WAVES FLAT.
TONIGHT
W 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
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT.
WED
E WINDS AROUND 5 KT. WAVES FLAT.
THU
S WINDS AROUND 5 KT. WAVES FLAT.
ANZ531-260800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
456 PM EDT SUN OCT 25 2026
REST OF THIS AFTERNOON
SE WINDS 5 KT. WAVES FLAT.
TONIGHT
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.
TUE NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ538-260800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
456 PM EDT SUN OCT 25 2026
REST OF THIS AFTERNOON
SE WINDS 5 KT. WAVES FLAT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
MON
W WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
NW WINDS 5 KT. WAVES FLAT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
NE WINDS 5 KT. WAVES FLAT.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS AROUND 5 KT. WAVES FLAT.
ANZ539-260800-
CHESTER RIVER TO QUEENSTOWN MD-
456 PM EDT SUN OCT 25 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES FLAT.
TONIGHT
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
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS AROUND 5 KT. WAVES FLAT.
ANZ532-260800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
456 PM EDT SUN OCT 25 2026
REST OF THIS AFTERNOON
E WINDS 5 KT. WAVES FLAT.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
MON
W WINDS 5 KT. WAVES FLAT.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ540-260800-
EASTERN BAY-
456 PM EDT SUN OCT 25 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES FLAT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
MON
W WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS AROUND 5 KT. WAVES FLAT.
ANZ533-260800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
456 PM EDT SUN OCT 25 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES FLAT.
TONIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
MON
W WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ541-260800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
456 PM EDT SUN OCT 25 2026
REST OF THIS AFTERNOON
N WINDS 5 KT. WAVES FLAT.
TONIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
MON
W WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ542-260800-
PATUXENT RIVER TO BROOMES ISLAND MD-
456 PM EDT SUN OCT 25 2026
REST OF THIS AFTERNOON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
MON
W WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
TUE
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT.
THU
S WINDS AROUND 5 KT. WAVES 1 FT.
ANZ534-260800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
456 PM EDT SUN OCT 25 2026
REST OF THIS AFTERNOON
N WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
NE WINDS 10 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ543-260800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
456 PM EDT SUN OCT 25 2026
REST OF THIS AFTERNOON
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS AROUND 5 KT. WAVES FLAT.
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