190
FZUS51 KLWX 250301
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1101 PM EDT TUE MAR 24 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.
ANZ500-250800-
1101 PM EDT TUE MAR 24 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD OVER THIS EVENING BEFORE SLIDING OFFSHORE
WEDNESDAY. THE NEXT COLD FRONT APPROACHES THURSDAY, THEN CROSSES
SOMETIME THURSDAY NIGHT INTO FRIDAY. SMALL CRAFT ADVISORIES MAY BE
NEEDED THURSDAY THROUGH SATURDAY.
ANZ535-250800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1101 PM EDT TUE MAR 24 2026
REST OF TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF RAIN.
FRI...W WINDS 10 TO 15 KT
BECOMING N IN THE AFTERNOON. GUSTS UP
TO 20 KT. WAVES 1 FT. RAIN LIKELY.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-250800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1101 PM EDT TUE MAR 24 2026
REST OF TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF RAIN.
FRI...W WINDS 15 TO 20 KT
BECOMING N 10 TO 15 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT. RAIN LIKELY.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-250800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1101 PM EDT TUE MAR 24 2026
REST OF TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED NIGHT
S WINDS 10 KT. WAVES 1 FT.
THU
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF RAIN.
FRI...W WINDS 15 TO 20 KT
BECOMING N IN THE AFTERNOON. WAVES
2 FT. RAIN LIKELY.
FRI NIGHT
N WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF RAIN.
SAT...N WINDS 15 TO 20 KT
BECOMING NW 5 TO 10 KT. WAVES 1 TO
2 FT.
SUN...W WINDS 5 KT
BECOMING S 10 TO 15 KT. WAVES 1 FT.
ANZ530-250800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1101 PM EDT TUE MAR 24 2026
REST OF TONIGHT
S WINDS 5 KT. WAVES FLAT.
WED
S 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 WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
RAIN LIKELY.
FRI...NW WINDS 10 TO 15 KT
BECOMING N IN THE AFTERNOON. GUSTS UP
TO 20 KT. WAVES 1 FT. RAIN LIKELY.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ531-250800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1101 PM EDT TUE MAR 24 2026
REST OF TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 FT. RAIN LIKELY.
FRI...NW WINDS 15 KT
BECOMING N IN THE AFTERNOON. GUSTS UP TO
20 KT. WAVES 2 FT. RAIN LIKELY.
FRI NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SAT...NW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT. WAVES 1 TO
2 FT.
SUN...W WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ538-250800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1101 PM EDT TUE MAR 24 2026
REST OF TONIGHT
S WINDS 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. 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 FT.
THU NIGHT
SW WINDS 10 KT. WAVES 1 FT. RAIN LIKELY.
FRI...NW WINDS 10 TO 15 KT
BECOMING N IN THE AFTERNOON. WAVES
1 FT. RAIN LIKELY.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ539-250800-
CHESTER RIVER TO QUEENSTOWN MD-
1101 PM EDT TUE MAR 24 2026
REST OF TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
RAIN LIKELY.
FRI...W WINDS 15 KT
BECOMING N IN THE AFTERNOON. GUSTS UP TO
20 KT. WAVES 2 FT. RAIN LIKELY.
FRI NIGHT
N WINDS 10 TO 15 KT. WAVES 2 FT.
SAT...NW WINDS 10 TO 15 KT
BECOMING W 5 KT. WAVES 1 TO 2 FT.
SUN...W WINDS 5 KT
BECOMING S 10 TO 15 KT. WAVES 1 FT.
ANZ532-250800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1101 PM EDT TUE MAR 24 2026
REST OF TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF
RAIN.
FRI...W WINDS 15 TO 20 KT
BECOMING N IN THE AFTERNOON. WAVES
2 FT. RAIN LIKELY.
FRI NIGHT
N WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF RAIN.
SAT...N WINDS 15 TO 20 KT
BECOMING NW 5 TO 10 KT. WAVES 1 TO
2 FT.
SUN...SW WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT. WAVES 1 TO
2 FT.
ANZ540-250800-
EASTERN BAY-
1101 PM EDT TUE MAR 24 2026
REST OF TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF RAIN.
FRI...W WINDS 15 KT
BECOMING N IN THE AFTERNOON. GUSTS UP TO
20 KT. WAVES 2 FT. RAIN LIKELY.
FRI NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF RAIN.
SAT...NW WINDS 10 TO 15 KT
BECOMING W 5 KT. WAVES 1 FT.
SUN...W WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT. WAVES 1 FT.
ANZ533-250800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1101 PM EDT TUE MAR 24 2026
REST OF TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF
RAIN.
FRI...W WINDS 15 TO 20 KT
BECOMING N IN THE AFTERNOON. WAVES
3 FT. RAIN LIKELY.
FRI NIGHT
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF RAIN.
SAT...N WINDS 15 TO 20 KT
BECOMING W 5 TO 10 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT.
SUN...SW WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT. WAVES 1 TO
2 FT.
ANZ541-250800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1101 PM EDT TUE MAR 24 2026
REST OF TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF RAIN.
FRI...W WINDS 15 TO 20 KT
BECOMING N 10 TO 15 KT IN THE
AFTERNOON. WAVES 2 FT. RAIN LIKELY.
FRI NIGHT
N WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF RAIN.
SAT...N WINDS 15 TO 20 KT
BECOMING W 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN...W WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT. WAVES 1 FT.
ANZ542-250800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1101 PM EDT TUE MAR 24 2026
REST OF TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 10 TO 15 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF RAIN.
FRI...W WINDS 10 TO 15 KT
BECOMING N IN THE AFTERNOON. GUSTS UP
TO 20 KT. WAVES 1 FT. RAIN LIKELY.
FRI NIGHT
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF RAIN.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-250800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1101 PM EDT TUE MAR 24 2026
REST OF TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. A
CHANCE OF RAIN.
FRI...W WINDS 15 TO 20 KT
BECOMING N IN THE AFTERNOON. WAVES
3 FT. RAIN LIKELY.
FRI NIGHT
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF RAIN.
SAT...N WINDS 20 TO 25 KT
BECOMING NW 10 TO 15 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING W AFTER MIDNIGHT. WAVES 3 FT...
SUBSIDING TO 1 FT.
SUN...W WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ543-250800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1101 PM EDT TUE MAR 24 2026
REST OF TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF RAIN.
FRI...W WINDS 15 TO 20 KT
BECOMING N IN THE AFTERNOON. WAVES
2 FT. RAIN LIKELY.
FRI NIGHT
N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN.
SAT...N WINDS 15 TO 20 KT
BECOMING W 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN...W WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT. WAVES 1 FT.
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