798
FZUS51 KLWX 120258
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
957 PM EST THU DEC 11 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.
ANZ500-120900-
957 PM EST THU DEC 11 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
WEAK HIGH PRESSURE WILL RETURN FOR TONIGHT BEFORE A WEAK DISTURBANCE
PASSES BY TO THE SOUTH ON FRIDAY. ANOTHER AREA OF LOW PRESSURE MAY
IMPACT THE REGION OVER THE WEEKEND BEFORE ARCTIC HIGH PRESSURE MOVES
IN BY EARLY NEXT WEEK. SMALL CRAFT ADVISORIES MAY BE NEEDED
TONIGHT, WHILE BECOMING MORE LIKELY ON SUNDAY INTO MONDAY. GALE
CONDITIONS ARE POSSIBLE SUNDAY AFTERNOON THROUGH MONDAY MORNING.
ANZ535-120900-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
957 PM EST THU DEC 11 2025
REST OF TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
SW WINDS AROUND 5 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SNOW WITH A CHANCE OF
RAIN.
SUN...NW WINDS 15 TO 20 KT. GUSTS UP TO 25 KT
INCREASING TO
35 KT IN THE AFTERNOON. WAVES 1 TO 2 FT. A CHANCE OF SNOW.
SUN NIGHT...NW WINDS 10 TO 15 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. WAVES 1 FT.
MON...NW WINDS 10 TO 15 KT
BECOMING SW AROUND 5 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-120900-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
957 PM EST THU DEC 11 2025
REST OF TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
SAT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SNOW.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT. A
CHANCE OF SNOW.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT.
MON...NW WINDS 15 TO 20 KT
BECOMING SW 5 TO 10 KT. WAVES 1 TO
2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-120900-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
957 PM EST THU DEC 11 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST FRIDAY
REST OF TONIGHT
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. RAIN LIKELY.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. SNOW
LIKELY.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 4 FT.
MON...NW WINDS 20 TO 25 KT
DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON, THEN BECOMING SW. WAVES 2 TO 3 FT...SUBSIDING TO 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ530-120900-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
957 PM EST THU DEC 11 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST FRIDAY
REST OF TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES
1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SNOW WITH A CHANCE OF
RAIN.
SUN...NW WINDS 10 TO 15 KT
INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. WAVES 1 TO 2 FT. A CHANCE OF SNOW.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
MON...NW WINDS 15 TO 20 KT
BECOMING W 5 TO 10 KT. WAVES 1 TO
2 FT.
TUE...W WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
ANZ531-120900-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
957 PM EST THU DEC 11 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST FRIDAY
REST OF TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN AND
SNOW.
SUN...NW WINDS 15 TO 20 KT
INCREASING TO 25 TO 30 KT IN THE
AFTERNOON. WAVES 3 FT. A CHANCE OF SNOW.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 3 FT.
MON...NW WINDS 15 TO 20 KT...BECOMING W 10 KT. WAVES 2 TO 3 FT
SUBSIDING TO 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ538-120900-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
957 PM EST THU DEC 11 2025
REST OF TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 KT. WAVES FLAT.
FRI NIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SNOW WITH A
CHANCE OF RAIN.
SUN...NW WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
INCREASING TO
30 KT IN THE AFTERNOON. WAVES 1 TO 2 FT. A CHANCE OF SNOW.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 1 TO
2 FT.
MON...NW WINDS 10 TO 15 KT
BECOMING W 5 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ539-120900-
CHESTER RIVER TO QUEENSTOWN MD-
957 PM EST THU DEC 11 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST FRIDAY
REST OF TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 KT. WAVES FLAT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SNOW WITH A CHANCE OF
RAIN.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
SNOW LIKELY.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
MON...NW WINDS 15 TO 20 KT
BECOMING W 5 TO 10 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ532-120900-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
957 PM EST THU DEC 11 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST FRIDAY
REST OF TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES
1 TO 2 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT. SNOW WITH A CHANCE OF
RAIN.
SUN
NW WINDS 25 TO 30 KT. WAVES 3 FT. SNOW LIKELY.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 4 FT.
MON...NW WINDS 20 TO 25 KT
BECOMING SW 10 TO 15 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ540-120900-
EASTERN BAY-
957 PM EST THU DEC 11 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST FRIDAY
REST OF TONIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 25 KT LATE THIS
EVENING AND EARLY MORNING. WAVES 1 TO 2 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SNOW WITH A CHANCE OF
RAIN.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
SNOW LIKELY.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 3 FT.
MON...NW WINDS 15 TO 20 KT
BECOMING SW 10 KT. WAVES 1 TO 2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ533-120900-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
957 PM EST THU DEC 11 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST FRIDAY
REST OF TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. SNOW.
SUN...NW WINDS 25 TO 30 KT. WAVES 3 FT
BUILDING TO 5 FT IN THE
AFTERNOON. SNOW LIKELY.
SUN NIGHT
NW WINDS 25 TO 35 KT. WAVES 5 FT.
MON...NW WINDS 20 TO 25 KT...BECOMING SW 10 TO 15 KT. WAVES 3 FT
SUBSIDING TO 1 TO 2 FT.
TUE...W WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
ANZ541-120900-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
957 PM EST THU DEC 11 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST FRIDAY
REST OF TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT. SNOW.
SUN...NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
INCREASING TO
25 TO 30 KT IN THE AFTERNOON. WAVES 3 FT. SNOW LIKELY.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 4 FT.
MON...NW WINDS 20 TO 25 KT
DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON, THEN BECOMING SW. WAVES 2 TO 3 FT...SUBSIDING TO 1 FT.
TUE...W WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
ANZ542-120900-
PATUXENT RIVER TO BROOMES ISLAND MD-
957 PM EST THU DEC 11 2025
REST OF TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SNOW LIKELY.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 1 TO 2 FT.
SNOW LIKELY.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
MON...NW WINDS 15 TO 20 KT
BECOMING SW 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-120900-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
957 PM EST THU DEC 11 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST FRIDAY
REST OF TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES
2 TO 3 FT.
FRI...W WINDS 5 TO 10 KT
BECOMING SE LATE. WAVES 1 TO 2 FT.
FRI NIGHT...S WINDS 5 KT
BECOMING SW LATE. WAVES 1 FT OR LESS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. RAIN LIKELY.
SUN...NW WINDS 25 TO 30 KT. WAVES 4 FT
BUILDING TO 6 FT IN THE
AFTERNOON. SNOW LIKELY.
SUN NIGHT
NW WINDS 25 TO 35 KT. WAVES 6 FT.
MON...NW WINDS 25 TO 30 KT
DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON, THEN BECOMING SW. WAVES 5 FT... SUBSIDING TO 2 TO 3 FT.
TUE...W WINDS 10 TO 15 KT
BECOMING S. WAVES 1 TO 2 FT.
ANZ543-120900-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
957 PM EST THU DEC 11 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST FRIDAY
REST OF TONIGHT
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT. RAIN LIKELY.
SUN
NW WINDS 25 TO 30 KT. WAVES 2 TO 3 FT. SNOW LIKELY.
SUN NIGHT
NW WINDS 25 TO 35 KT. WAVES 3 FT.
MON...NW WINDS 25 TO 30 KT
DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON, THEN BECOMING W. WAVES 2 TO 3 FT.
TUE...W WINDS 10 TO 15 KT
BECOMING S. WAVES 1 FT.
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