294
FZUS51 KLWX 281827
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 PM EDT MON SEP 28 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.
ANZ500-290800-
227 PM EDT MON SEP 28 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
WEAK HIGH PRESSURE WILL BUILD INTO THE AREA TONIGHT THROUGH
WEDNESDAY BEFORE MOVING EASTWARD THURSDAY.
ANZ535-290800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
227 PM EDT MON SEP 28 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
W WINDS 5 KT. WAVES FLAT.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI...SW WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
ANZ536-290800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
227 PM EDT MON SEP 28 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
W WINDS 5 KT. WAVES FLAT.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
ANZ537-290800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
227 PM EDT MON SEP 28 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
SW WINDS 5 KT. WAVES FLAT.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ530-290800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
227 PM EDT MON SEP 28 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 KT. WAVES FLAT.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
NW WINDS AROUND 5 KT. WAVES FLAT.
WED
W WINDS AROUND 5 KT. WAVES FLAT.
WED NIGHT
S WINDS 5 KT. WAVES FLAT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
ANZ531-290800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
227 PM EDT MON SEP 28 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
NW WINDS 5 KT. WAVES FLAT.
WED
E WINDS 5 KT. WAVES FLAT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
ANZ538-290800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
227 PM EDT MON SEP 28 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
NW WINDS 5 KT. WAVES FLAT.
WED
E WINDS 5 KT. WAVES FLAT.
WED NIGHT
S WINDS 5 KT. WAVES FLAT.
THU
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI...SW WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
ANZ539-290800-
CHESTER RIVER TO QUEENSTOWN MD-
227 PM EDT MON SEP 28 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
NW WINDS 5 KT. WAVES FLAT.
WED
W WINDS 5 KT. WAVES FLAT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SW WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
ANZ532-290800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
227 PM EDT MON SEP 28 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
W WINDS 5 KT. WAVES FLAT.
WED
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT.
ANZ540-290800-
EASTERN BAY-
227 PM EDT MON SEP 28 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
W WINDS 5 KT. WAVES FLAT.
WED
W WINDS 5 KT. WAVES FLAT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
ANZ533-290800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
227 PM EDT MON SEP 28 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
W WINDS 5 KT. WAVES FLAT.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
ANZ541-290800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
227 PM EDT MON SEP 28 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
W WINDS 5 KT. WAVES FLAT.
WED
W WINDS 5 KT. WAVES FLAT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT.
ANZ542-290800-
PATUXENT RIVER TO BROOMES ISLAND MD-
227 PM EDT MON SEP 28 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
SW WINDS 5 KT. WAVES FLAT.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
ANZ534-290800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
227 PM EDT MON SEP 28 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 2 FT.
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
SW WINDS 5 KT. WAVES FLAT.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
ANZ543-290800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
227 PM EDT MON SEP 28 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
SW WINDS 5 KT. WAVES FLAT.
WED
SW WINDS 5 KT. WAVES FLAT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
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