542
FZUS51 KLWX 091434
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1034 AM EDT TUE SEP 9 2025
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.
ANZ500-092000-
1034 AM EDT TUE SEP 9 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
CANADIAN HIGH PRESSURE WILL SETTLE TO THE NORTH OF THE AREA THROUGH
THE MIDDLE OF THE WEEK AS A WAVE OF LOW PRESSURE PASSES OFFSHORE OF
THE CAROLINAS. A DRY COLD FRONT WILL CROSS THE REGION THURSDAY. HIGH
PRESSURE RETURNS LATE IN THE WEEK. SMALL CRAFT ADVISORIES MAY BE
NEEDED FOR PORTIONS OF THE WATERS WEDNESDAY.
ANZ535-092000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1034 AM EDT TUE SEP 9 2025
REST OF TODAY
NE WINDS 10 KT. WAVES 1 FT.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
N WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT.
THU
N WINDS AROUND 5 KT. WAVES 1 FT.
THU NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT.
FRI
NE WINDS AROUND 5 KT. WAVES 1 FT.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-092000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1034 AM EDT TUE SEP 9 2025
REST OF TODAY
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
N WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ537-092000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1034 AM EDT TUE SEP 9 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF TODAY
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
WED
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ530-092000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1034 AM EDT TUE SEP 9 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF TODAY
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 1 FT.
WED
N WINDS 10 TO 15 KT. WAVES 1 FT.
WED NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
N WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
N WINDS 5 KT. WAVES FLAT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ531-092000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1034 AM EDT TUE SEP 9 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF TODAY
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 2 FT.
WED
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ538-092000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1034 AM EDT TUE SEP 9 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF TODAY
NE WINDS 10 KT. WAVES 1 FT.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
N WINDS 5 KT. WAVES FLAT.
THU NIGHT
N WINDS 5 KT. WAVES FLAT.
FRI
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ539-092000-
CHESTER RIVER TO QUEENSTOWN MD-
1034 AM EDT TUE SEP 9 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF TODAY
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
N WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ532-092000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1034 AM EDT TUE SEP 9 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF TODAY
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ540-092000-
EASTERN BAY-
1034 AM EDT TUE SEP 9 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF TODAY
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NE WINDS 5 KT. WAVES FLAT.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ533-092000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1034 AM EDT TUE SEP 9 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF TODAY
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 FT.
WED
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ541-092000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1034 AM EDT TUE SEP 9 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF TODAY
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ542-092000-
PATUXENT RIVER TO BROOMES ISLAND MD-
1034 AM EDT TUE SEP 9 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF TODAY
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-092000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1034 AM EDT TUE SEP 9 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF TODAY
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
WED
N WINDS 15 TO 20 KT. WAVES 3 FT.
WED NIGHT
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU
N WINDS 10 KT. WAVES 1 FT.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NE WINDS 10 KT. WAVES 1 TO 2 FT.
SAT
NE WINDS 10 KT. WAVES 1 TO 2 FT.
ANZ543-092000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1034 AM EDT TUE SEP 9 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF TODAY
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
N WINDS 10 KT. WAVES 1 FT.
THU
N WINDS 10 KT. WAVES 1 FT.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NE WINDS 10 KT. WAVES 1 FT.
SAT
NE WINDS 10 KT. WAVES 1 FT.
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