053
FZUS51 KLWX 311458
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1058 AM EDT MON AUG 31 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.
ANZ500-312000-
1058 AM EDT MON AUG 31 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD SOUTH OF THE WATERS THROUGH MID WEEK WITH
SCATTERED DIURNAL SHOWERS AND THUNDERSTORMS EXPECTED IN A HOT AND
HUMID AIR MASS.
ANZ535-312000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1058 AM EDT MON AUG 31 2026
REST OF TODAY
E WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
TUE
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-312000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1058 AM EDT MON AUG 31 2026
REST OF TODAY
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
TUE
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
WED
N WINDS AROUND 5 KT. WAVES 1 FT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
THU
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-312000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1058 AM EDT MON AUG 31 2026
REST OF TODAY
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT...S WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT.
TUE
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-312000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1058 AM EDT MON AUG 31 2026
REST OF TODAY
E WINDS 5 KT. WAVES FLAT. A SLIGHT CHANCE OF
SHOWERS LATE THIS MORNING, THEN A SLIGHT CHANCE OF SHOWERS AND TSTMS
THIS AFTERNOON.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
TUE
SW WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.
TUE NIGHT
SE WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS.
WED
E WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED NIGHT
SE WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF TSTMS
THROUGH THE NIGHT. A CHANCE OF SHOWERS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-312000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1058 AM EDT MON AUG 31 2026
REST OF TODAY
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT
CHANCE OF SHOWERS LATE THIS MORNING, THEN A SLIGHT CHANCE OF SHOWERS
AND TSTMS THIS AFTERNOON.
TONIGHT...S WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT. A
CHANCE OF SHOWERS.
TUE
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT...S WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES
1 FT. A CHANCE OF SHOWERS AND TSTMS.
WED
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF TSTMS THROUGH THE
NIGHT. A CHANCE OF SHOWERS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-312000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1058 AM EDT MON AUG 31 2026
REST OF TODAY
E WINDS 5 KT. WAVES FLAT. A SLIGHT CHANCE OF
SHOWERS LATE THIS MORNING, THEN A SLIGHT CHANCE OF SHOWERS AND TSTMS
THIS AFTERNOON.
TONIGHT
S WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
TUE
W WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.
TUE NIGHT
W WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS.
WED
E WINDS 5 KT. WAVES FLAT.
WED NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF TSTMS
THROUGH THE NIGHT. A CHANCE OF SHOWERS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-312000-
CHESTER RIVER TO QUEENSTOWN MD-
1058 AM EDT MON AUG 31 2026
REST OF TODAY
NE WINDS 5 KT. WAVES FLAT. A SLIGHT CHANCE OF
SHOWERS LATE THIS MORNING, THEN A SLIGHT CHANCE OF SHOWERS AND TSTMS
THIS AFTERNOON.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
TUE
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
THU
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-312000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1058 AM EDT MON AUG 31 2026
REST OF TODAY
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-312000-
EASTERN BAY-
1058 AM EDT MON AUG 31 2026
REST OF TODAY
N WINDS 5 KT. WAVES FLAT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
THU
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-312000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1058 AM EDT MON AUG 31 2026
REST OF TODAY
N WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
N WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-312000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1058 AM EDT MON AUG 31 2026
REST OF TODAY
N WINDS 5 KT. WAVES FLAT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED
N WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-312000-
PATUXENT RIVER TO BROOMES ISLAND MD-
1058 AM EDT MON AUG 31 2026
REST OF TODAY
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
TUE
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
N WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-312000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1058 AM EDT MON AUG 31 2026
REST OF TODAY
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-312000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1058 AM EDT MON AUG 31 2026
REST OF TODAY
SW WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS WITH
A SLIGHT CHANCE OF TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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