474
FZUS51 KLWX 050627
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
226 AM EDT SAT SEP 5 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.
ANZ500-052000-
226 AM EDT SAT SEP 5 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A FEW SPOTTY SHOWER OR T-STORM IS POSSIBLE HEADING INTO EARLY
SATURDAY MORNING AS THE FRONT SAGS SOUTH ACROSS THE WATERS. WINDS
WILL SWITCH FROM THE WEST TO NORTHWEST AND EVENTUALLY NORTH SATURDAY
AFTERNOON AT LESS THAN 15 KNOTS. MARGINAL SMALL CRAFT CONDITIONS
RETURN LATE SUNDAY EVENING INTO MONDAY DUE TO CHANNELING.
ANZ535-052000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
226 AM EDT SAT SEP 5 2026
OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
SUN
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
NE WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-052000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
226 AM EDT SAT SEP 5 2026
OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
NE WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ537-052000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
226 AM EDT SAT SEP 5 2026
OVERNIGHT
W WINDS 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ530-052000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
226 AM EDT SAT SEP 5 2026
OVERNIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
MON
N WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
ANZ531-052000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
226 AM EDT SAT SEP 5 2026
OVERNIGHT
NW WINDS 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
ANZ538-052000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
226 AM EDT SAT SEP 5 2026
OVERNIGHT
NW WINDS 5 KT. WAVES FLAT.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
NE WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
SW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ539-052000-
CHESTER RIVER TO QUEENSTOWN MD-
226 AM EDT SAT SEP 5 2026
OVERNIGHT
NW WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF SHOWERS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
NE WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ532-052000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
226 AM EDT SAT SEP 5 2026
OVERNIGHT
NW WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF SHOWERS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED...SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT
BUILDING TO 3 FT.
ANZ540-052000-
EASTERN BAY-
226 AM EDT SAT SEP 5 2026
OVERNIGHT
NW WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF SHOWERS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
NE WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ533-052000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
226 AM EDT SAT SEP 5 2026
OVERNIGHT
W WINDS 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WED
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
ANZ541-052000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
226 AM EDT SAT SEP 5 2026
OVERNIGHT
NW WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF SHOWERS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
ANZ542-052000-
PATUXENT RIVER TO BROOMES ISLAND MD-
226 AM EDT SAT SEP 5 2026
OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
NE WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-052000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
226 AM EDT SAT SEP 5 2026
OVERNIGHT
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...SW WINDS AROUND 5 KT
BECOMING S 10 TO 15 KT. WAVES 1 TO
2 FT.
WED...SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT
BUILDING TO 3 FT.
ANZ543-052000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
226 AM EDT SAT SEP 5 2026
OVERNIGHT
W WINDS 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT OR LESS.
WED...SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT
BUILDING TO 3 FT
AFTER MIDNIGHT.
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