178
FZUS51 KLWX 280257
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1057 PM EDT SUN SEP 27 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.
ANZ500-280800-
1057 PM EDT SUN SEP 27 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A NOR'EASTER WILL MEANDER OFF THE MID ATLANTIC COAST THROUGH TONIGHT
BEFORE FINALLY DEPARTING TO THE NORTHEAST MONDAY. HIGH PRESSURE
WILL BUILD INTO THE AREA FOR THE MIDDLE OF THE WEEK.
ANZ535-280800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1057 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT MONDAY
REST OF TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF
SHOWERS LATE THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS.
MON
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...W WINDS 5 TO 10 KT
BECOMING N. WAVES 1 FT.
ANZ536-280800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1057 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT MONDAY
REST OF TONIGHT
NW WINDS 10 KT. GUSTS UP TO 20 KT LATE THIS
EVENING AND EARLY MORNING. WAVES 1 FT. A SLIGHT CHANCE OF SHOWERS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
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 N. WAVES 1 FT.
ANZ537-280800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1057 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES
2 TO 3 FT. A SLIGHT CHANCE OF SHOWERS.
MON
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS AROUND 5 KT. WAVES FLAT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
WED...SW WINDS AROUND 5 KT
BECOMING SE IN THE AFTERNOON. WAVES
1 FT OR LESS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 10 TO 15 KT. WAVES 1 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS THROUGH THE NIGHT.
ANZ530-280800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1057 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY
REST OF TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT. A CHANCE OF SHOWERS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
WED
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...W WINDS 5 TO 10 KT
BECOMING NW. WAVES 1 FT.
ANZ531-280800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1057 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES
2 TO 3 FT. A CHANCE OF SHOWERS.
MON
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
WED
W WINDS AROUND 5 KT. WAVES FLAT.
WED NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING N. WAVES 1 TO 2 FT.
ANZ538-280800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1057 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT MONDAY
REST OF TONIGHT
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
MON NIGHT
NW WINDS 5 KT. WAVES FLAT.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
NW WINDS AROUND 5 KT. WAVES FLAT.
WED
SW WINDS AROUND 5 KT. WAVES FLAT.
WED NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
THU
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI...W WINDS 5 TO 10 KT
BECOMING N. WAVES 1 FT.
ANZ539-280800-
CHESTER RIVER TO QUEENSTOWN MD-
1057 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS.
MON
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 2 FT. A CHANCE OF SHOWERS.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
WED
W WINDS AROUND 5 KT. WAVES FLAT.
WED NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING N. WAVES 1 FT.
ANZ532-280800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1057 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS.
MON
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
WED...NW WINDS AROUND 5 KT
BECOMING S IN THE AFTERNOON. WAVES
1 FT OR LESS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT. WAVES 1 TO
2 FT.
ANZ540-280800-
EASTERN BAY-
1057 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
MON
NW WINDS 10 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON. WAVES
1 TO 2 FT. A CHANCE OF SHOWERS.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
W WINDS AROUND 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. WAVES 1 FT.
ANZ533-280800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1057 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS.
MON
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 2 FT. A CHANCE OF SHOWERS.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
WED...NW WINDS 5 KT
BECOMING S IN THE AFTERNOON. WAVES 1 FT OR
LESS.
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 10 KT
BECOMING N. WAVES 1 TO 2 FT.
ANZ541-280800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1057 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS.
MON
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 2 FT. A CHANCE OF SHOWERS.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
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 N 10 TO 15 KT. WAVES 1 TO
2 FT.
ANZ542-280800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1057 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT MONDAY
REST OF TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT. A SLIGHT CHANCE OF SHOWERS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
WED...W WINDS 5 KT
BECOMING S IN THE AFTERNOON. WAVES 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 NW. WAVES 1 FT.
ANZ534-280800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1057 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES
3 FT. A SLIGHT CHANCE OF SHOWERS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED NIGHT
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI...SW WINDS 10 KT
BECOMING N. WAVES 2 FT. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
ANZ543-280800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1057 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES
2 TO 3 FT. A SLIGHT CHANCE OF SHOWERS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
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 AROUND 5 KT. WAVES FLAT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED NIGHT
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI...SW WINDS 10 TO 15 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS THROUGH THE NIGHT.
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