885
FZUS51 KLWX 240135
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
935 PM EDT MON MAR 23 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.
ANZ500-240800-
935 PM EDT MON MAR 23 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD IN BEHIND A DEPARTING COLD FRONT AND
PERSIST THROUGH MIDWEEK. THE NEXT COLD FRONT APPROACHES THURSDAY,
THEN CROSSES SOMETIME THURSDAY NIGHT INTO FRIDAY. SMALL CRAFT
ADVISORIES MAY BE NEEDED THURSDAY THROUGH SATURDAY.
ANZ535-240800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
935 PM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
REST OF TONIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT LATE THIS
EVENING AND EARLY MORNING. WAVES 1 FT.
TUE...N WINDS 5 TO 10 KT UNTIL LATE AFTERNOON
BECOMING LIGHT.
WAVES 1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 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. WAVES 1 FT. A CHANCE OF
RAIN.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-240800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
935 PM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
REST OF TONIGHT
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
TUE...N WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
THU
SW WINDS 10 TO 15 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF
RAIN.
FRI...W WINDS 10 TO 15 KT
BECOMING N. WAVES 1 TO 2 FT. A CHANCE
OF RAIN.
SAT...N WINDS 10 TO 15 KT
BECOMING NW AROUND 5 KT. WAVES 1 FT.
ANZ537-240800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
935 PM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
REST OF TONIGHT
N WINDS 20 KT. GUSTS UP TO 30 KT LATE THIS
EVENING AND EARLY MORNING. WAVES 3 FT.
TUE...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SE AROUND
5 KT LATE. WAVES 1 TO 2 FT.
TUE NIGHT
S WINDS AROUND 5 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
SW WINDS 10 TO 15 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. WAVES 2 FT. A CHANCE OF
RAIN. A CHANCE OF SNOW AFTER MIDNIGHT.
SAT...N WINDS 15 TO 20 KT
BECOMING NW 5 TO 10 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT. A CHANCE OF RAIN IN THE MORNING.
ANZ530-240800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
935 PM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
REST OF TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 TO 2 FT.
TUE...N WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 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. WAVES 1 FT.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
RAIN LIKELY.
FRI...W WINDS 10 TO 15 KT
BECOMING N. WAVES 1 TO 2 FT. RAIN
LIKELY IN THE MORNING, THEN A CHANCE OF RAIN. A CHANCE OF SNOW
THROUGH THE NIGHT.
SAT...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT. WAVES 1 FT.
ANZ531-240800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
935 PM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
REST OF TONIGHT
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING E AROUND 5 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 KT. WAVES 2 FT.
THU NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 FT.
FRI...W WINDS 15 TO 20 KT
BECOMING N 10 TO 15 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.
ANZ538-240800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
935 PM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
REST OF TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 TO 2 FT.
TUE...N WINDS 5 TO 10 KT
BECOMING SE LATE. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS AROUND 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
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 FT. RAIN LIKELY.
FRI...W WINDS 10 TO 15 KT
BECOMING N. WAVES 1 FT. RAIN LIKELY IN
THE MORNING, THEN A CHANCE OF RAIN. A CHANCE OF SNOW IN THE EVENING.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ539-240800-
CHESTER RIVER TO QUEENSTOWN MD-
935 PM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
REST OF TONIGHT
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING W AROUND 5 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
THU
S WINDS 10 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF RAIN.
FRI...W WINDS 15 KT
BECOMING N. WAVES 2 FT. A CHANCE OF RAIN.
SAT...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT. WAVES 1 TO 2 FT.
ANZ532-240800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
935 PM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
REST OF TONIGHT...N WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT
SUBSIDING TO 2 FT LATE.
TUE...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SE 5 KT
LATE. WAVES 1 TO 2 FT.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
THU
SW WINDS 10 TO 15 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. WAVES 2 TO 3 FT. A CHANCE
OF RAIN.
SAT...N WINDS 15 TO 20 KT
BECOMING NW 5 TO 10 KT. WAVES 1 TO
2 FT.
ANZ540-240800-
EASTERN BAY-
935 PM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
REST OF TONIGHT
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING NW AROUND 5 KT IN THE
AFTERNOON. WAVES 1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 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. 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.
ANZ533-240800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
935 PM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
REST OF TONIGHT
N WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TUE...N WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. WAVES 3 FT...SUBSIDING TO 1 FT IN THE AFTERNOON.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
THU
SW WINDS 10 TO 15 KT. WAVES 2 FT.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF RAIN.
FRI...W WINDS 15 TO 20 KT
BECOMING N. WAVES 3 FT. A CHANCE OF
RAIN.
SAT...N WINDS 15 TO 20 KT
BECOMING NW 5 TO 10 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT.
ANZ541-240800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
935 PM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
REST OF TONIGHT
N WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
TUE...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W AROUND
5 KT LATE. WAVES 1 TO 2 FT.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
THU
SW WINDS 10 TO 15 KT. WAVES 1 TO 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. 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.
ANZ542-240800-
PATUXENT RIVER TO BROOMES ISLAND MD-
935 PM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
REST OF TONIGHT
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
TUE...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NE 5 KT
IN THE AFTERNOON. WAVES 1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 KT. WAVES 1 FT.
THU
SW WINDS 10 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. WAVES 1 FT. A CHANCE OF
RAIN. A CHANCE OF SNOW AFTER MIDNIGHT.
SAT...N WINDS 10 TO 15 KT
BECOMING NW 5 KT. WAVES 1 FT. A CHANCE
OF RAIN IN THE MORNING.
ANZ534-240800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
935 PM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
REST OF TONIGHT
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
TUE...N WINDS 15 TO 20 KT
BECOMING NW 5 TO 10 KT IN THE
AFTERNOON. WAVES 2 TO 3 FT.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 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 20 TO 25 KT. WAVES 3 FT. A
CHANCE OF RAIN.
SAT...N WINDS 20 TO 25 KT...BECOMING NW 10 TO 15 KT. WAVES 3 FT
SUBSIDING TO 1 FT. A CHANCE OF RAIN IN THE MORNING.
ANZ543-240800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
935 PM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY
REST OF TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES
2 TO 3 FT.
TUE...N WINDS 15 TO 20 KT
BECOMING NW 5 TO 10 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT.
TUE NIGHT
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 1 FT.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
FRI...W WINDS 15 TO 20 KT
BECOMING N. WAVES 2 FT. A CHANCE OF
RAIN. A CHANCE OF SNOW AFTER MIDNIGHT.
SAT...N WINDS 15 TO 20 KT
BECOMING NW 5 TO 10 KT. WAVES 1 TO
2 FT. A CHANCE OF RAIN AND SNOW IN THE MORNING.
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