158
FZUS51 KLWX 250430
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1230 AM 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.
ANZ500-252000-
1230 AM 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 TUESDAY
IN NORTHERLY FLOW.
ANZ535-252000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1230 AM EDT SUN OCT 25 2026
OVERNIGHT
N WINDS AROUND 5 KT. WAVES 1 FT. PATCHY FOG.
SUN
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG.
SUN NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG.
MON
W WINDS AROUND 5 KT. WAVES 1 FT. PATCHY FOG.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NE 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.
ANZ536-252000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1230 AM EDT SUN OCT 25 2026
OVERNIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
E WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG.
MON
W WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT.
THU
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ537-252000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1230 AM EDT SUN OCT 25 2026
OVERNIGHT
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 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 WITH GUSTS TO 20 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.
ANZ530-252000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1230 AM EDT SUN OCT 25 2026
OVERNIGHT
NE WINDS AROUND 5 KT. WAVES FLAT.
SUN
NE WINDS AROUND 5 KT. WAVES FLAT.
SUN NIGHT
W WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG.
MON
W 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. WAVES 1 FT.
TUE NIGHT
NE WINDS 5 KT. WAVES FLAT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS AROUND 5 KT. WAVES FLAT.
ANZ531-252000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1230 AM EDT SUN OCT 25 2026
OVERNIGHT
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 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. 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.
ANZ538-252000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1230 AM EDT SUN OCT 25 2026
OVERNIGHT
NE WINDS AROUND 5 KT. WAVES FLAT.
SUN
E 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 10 KT. WAVES 1 FT.
TUE NIGHT
NE WINDS 5 KT. WAVES FLAT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT.
THU
S WINDS AROUND 5 KT. WAVES FLAT.
ANZ539-252000-
CHESTER RIVER TO QUEENSTOWN MD-
1230 AM EDT SUN OCT 25 2026
OVERNIGHT
E WINDS 5 KT. WAVES FLAT.
SUN
N 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 TO 10 KT. WAVES 1 FT OR LESS.
TUE
N WINDS 10 TO 15 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 KT. WAVES FLAT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ532-252000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1230 AM EDT SUN OCT 25 2026
OVERNIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
S 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 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 5 KT. WAVES LESS THAN 1 FT.
ANZ540-252000-
EASTERN BAY-
1230 AM EDT SUN OCT 25 2026
OVERNIGHT
E WINDS 5 KT. WAVES FLAT.
SUN
NE WINDS AROUND 5 KT. WAVES FLAT.
SUN NIGHT
S 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 10 TO 15 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS AROUND 5 KT. WAVES FLAT.
ANZ533-252000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1230 AM EDT SUN OCT 25 2026
OVERNIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
SE 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.
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
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ541-252000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1230 AM EDT SUN OCT 25 2026
OVERNIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
E 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 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 5 KT. WAVES FLAT.
ANZ542-252000-
PATUXENT RIVER TO BROOMES ISLAND MD-
1230 AM EDT SUN OCT 25 2026
OVERNIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. PATCHY FOG.
MON
W WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES 1 FT.
ANZ534-252000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1230 AM EDT SUN OCT 25 2026
OVERNIGHT
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.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ543-252000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1230 AM EDT SUN OCT 25 2026
OVERNIGHT
NE WINDS 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT.
MON
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
N WINDS 10 TO 15 KT. WAVES 1 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 KT. WAVES FLAT.
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