328
FZUS51 KLWX 041828
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
228 PM EDT SUN OCT 4 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.
ANZ500-050800-
228 PM EDT SUN OCT 4 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT WILL STALL NEAR THE AREA THIS WEEKEND AS A WAVE OF LOW
PRESSURE PASSES TO THE SOUTH. A SECOND COLD FRONT WILL CROSS THE
AREA MONDAY. HIGH PRESSURE WILL FOLLOW THROUGH THE MIDDLE OF NEXT
WEEK. SMALL CRAFT ADVISORIES WILL LIKELY BE NEEDED MONDAY INTO
TUESDAY.
ANZ535-050800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
228 PM EDT SUN OCT 4 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT. AREAS OF
DRIZZLE WITH A SLIGHT CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG. VSBY
1 TO 3 NM.
MON
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 1 FT.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
N WINDS AROUND 5 KT. WAVES 1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
NW WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-050800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
228 PM EDT SUN OCT 4 2026
THIS AFTERNOON
N WINDS 5 KT. WAVES LESS THAN 1 FT. AREAS OF
DRIZZLE WITH A SLIGHT CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
N WINDS AROUND 5 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 TO
3 NM.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 TO 3 NM.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
NW WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-050800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
228 PM EDT SUN OCT 4 2026
THIS AFTERNOON
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS WITH AREAS OF DRIZZLE.
TONIGHT
N WINDS AROUND 5 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 TO
3 NM.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 TO 3 NM.
MON NIGHT
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ530-050800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
228 PM EDT SUN OCT 4 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS WITH AREAS OF DRIZZLE. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
N WINDS AROUND 5 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 TO
3 NM.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-050800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
228 PM EDT SUN OCT 4 2026
THIS AFTERNOON
NE WINDS 10 KT. WAVES 1 FT. AREAS OF DRIZZLE WITH
A SLIGHT CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG. VSBY
1 TO 3 NM.
MON
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 1 TO 2 FT.
MON NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING NW AROUND 5 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ538-050800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
228 PM EDT SUN OCT 4 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT. AREAS OF
DRIZZLE WITH A SLIGHT CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG. VSBY
1 TO 3 NM.
MON
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 1 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
W WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ539-050800-
CHESTER RIVER TO QUEENSTOWN MD-
228 PM EDT SUN OCT 4 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS WITH AREAS OF DRIZZLE. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG. VSBY
1 TO 3 NM.
MON
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON NIGHT
N WINDS 10 KT. WAVES 2 FT.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
W WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ532-050800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
228 PM EDT SUN OCT 4 2026
THIS AFTERNOON
NE WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
WITH AREAS OF DRIZZLE.
TONIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG. VSBY
1 TO 3 NM.
MON
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 1 TO 2 FT.
MON NIGHT
N WINDS 10 TO 15 KT. WAVES 2 FT.
TUE...N WINDS 10 TO 15 KT
DIMINISHING TO 5 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
TUE NIGHT
S WINDS 5 KT. WAVES FLAT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ540-050800-
EASTERN BAY-
228 PM EDT SUN OCT 4 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS WITH AREAS OF DRIZZLE.
TONIGHT
N WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG. VSBY 1 TO
3 NM.
MON
NW WINDS 10 TO 15 KT. WAVES 1 FT.
MON NIGHT
N WINDS 10 TO 15 KT. WAVES 1 FT.
TUE
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
W WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ533-050800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
228 PM EDT SUN OCT 4 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS WITH AREAS OF DRIZZLE.
TONIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT. AREAS OF DRIZZLE.
PATCHY FOG. VSBY 1 TO 3 NM.
MON
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 1 TO 2 FT.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ541-050800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
228 PM EDT SUN OCT 4 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS WITH AREAS OF DRIZZLE.
TONIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. AREAS OF
DRIZZLE. PATCHY FOG. VSBY 1 TO 3 NM.
MON
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
ANZ542-050800-
PATUXENT RIVER TO BROOMES ISLAND MD-
228 PM EDT SUN OCT 4 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS WITH AREAS OF DRIZZLE.
TONIGHT
N WINDS AROUND 5 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 TO
3 NM.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ534-050800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
228 PM EDT SUN OCT 4 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS WITH AREAS OF DRIZZLE.
TONIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. AREAS OF DRIZZLE. PATCHY
FOG. VSBY 1 TO 3 NM.
MON
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES
2 FT.
TUE NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
ANZ543-050800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
228 PM EDT SUN OCT 4 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS WITH AREAS OF DRIZZLE.
TONIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS WITH
AREAS OF DRIZZLE. PATCHY FOG. VSBY 1 TO 3 NM.
MON
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 1 FT.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
N WINDS 10 TO 15 KT. WAVES 1 FT.
TUE NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
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