086
FZUS51 KLWX 180234
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1034 PM EDT WED SEP 17 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.
ANZ500-180800-
1034 PM EDT WED SEP 17 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
AN AREA OF LOW PRESSURE OVER THE VIRGINIA TIDEWATER WILL DRIFT
OFFSHORE THROUGH TONIGHT. HAZARDOUS MARINE CONDITIONS ARE EXPECTED
THROUGH THIS EVENING. A COLD FRONT WILL MOVE ACROSS THE WATERS
FRIDAY NIGHT. SMALL CRAFT ADVISORIES FOR NORTHERLY CHANNELING ARE
POSSIBLE FRIDAY NIGHT INTO SATURDAY MORNING FOR PARTS OF THE WATERS.
ANZ535-180800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1034 PM EDT WED SEP 17 2025
REST OF TONIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
NW WINDS AROUND 5 KT. WAVES 1 FT.
THU NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT.
SAT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
E WINDS AROUND 5 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-180800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1034 PM EDT WED SEP 17 2025
REST OF TONIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
NW WINDS AROUND 5 KT. WAVES 1 FT.
THU NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-180800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1034 PM EDT WED SEP 17 2025
REST OF TONIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT...S WINDS AROUND 5 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 10 KT. WAVES 2 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ530-180800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1034 PM EDT WED SEP 17 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF
SHOWERS LATE THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS.
THU
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
FRI
NW WINDS 5 KT. WAVES FLAT.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS 5 KT. WAVES FLAT.
ANZ531-180800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1034 PM EDT WED SEP 17 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF TONIGHT
NE WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
LATE THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS.
THU...N WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT.
THU NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ538-180800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1034 PM EDT WED SEP 17 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF TONIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE
OF SHOWERS LATE THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS.
THU
N WINDS 5 KT. WAVES FLAT.
THU NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
FRI
NW WINDS 5 KT. WAVES FLAT.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ539-180800-
CHESTER RIVER TO QUEENSTOWN MD-
1034 PM EDT WED SEP 17 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A SLIGHT CHANCE
OF SHOWERS.
THU
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI NIGHT...SE WINDS AROUND 5 KT
BECOMING NE AFTER MIDNIGHT.
WAVES 1 FT OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS 5 KT. WAVES FLAT.
ANZ532-180800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1034 PM EDT WED SEP 17 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF TONIGHT
NE WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS LATE THIS EVENING.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT...SE WINDS 5 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
SAT
NE WINDS 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 10 KT. WAVES 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ540-180800-
EASTERN BAY-
1034 PM EDT WED SEP 17 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A SLIGHT CHANCE
OF SHOWERS LATE THIS EVENING.
THU
N WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI NIGHT...SE WINDS AROUND 5 KT
BECOMING NE AFTER MIDNIGHT.
WAVES 1 FT OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ533-180800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1034 PM EDT WED SEP 17 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF TONIGHT...NE WINDS 10 KT
BECOMING N LATE. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT...SE WINDS 5 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ541-180800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1034 PM EDT WED SEP 17 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT...SE WINDS AROUND 5 KT
BECOMING NE AFTER MIDNIGHT.
WAVES 1 FT OR LESS.
SAT
NE WINDS 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ542-180800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1034 PM EDT WED SEP 17 2025
REST OF TONIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
N WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS AROUND 5 KT. WAVES 1 FT.
ANZ534-180800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1034 PM EDT WED SEP 17 2025
REST OF TONIGHT...NE WINDS 5 KT
BECOMING N LATE. WAVES 1 FT.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT...S WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
SAT
NE WINDS 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. WAVES 2 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ543-180800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1034 PM EDT WED SEP 17 2025
REST OF TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT...SW WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
SAT
NE WINDS 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. WAVES 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
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