524
FZUS51 KLWX 250301
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1101 PM EDT FRI APR 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 FRI APR 24 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A BACKDOOR COLD FRONT WILL MOVE ACROSS THE AREA TODAY, BEFORE
STALLING OUT AND LINGERING NEARBY THROUGH SATURDAY NIGHT. HAZARDOUS
MARINE CONDITIONS ARE LIKELY FOR MOST OF THIS WEEKEND, BEFORE WINDS
DECREASE EARLY NEXT WEEK. HIGH PRESSURE BUILDS TO THE NORTH LATE IN
THE WEEKEND AND INTO EARLY NEXT WEEK. SMALL CRAFT ADVISORIES MAY
NEED TO BE EXTENDED THROUGH MONDAY MORNING.
ANZ535-250800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1101 PM EDT FRI APR 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SATURDAY THROUGH
SUNDAY AFTERNOON...
REST OF TONIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT...E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT
INCREASING TO 25 KT
LATE. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 10 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SHOWERS.
SUN
NE WINDS 10 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A CHANCE OF
SHOWERS.
SUN NIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT. A CHANCE OF SHOWERS.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ536-250800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1101 PM EDT FRI APR 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SATURDAY THROUGH
SUNDAY AFTERNOON...
REST OF TONIGHT
SE WINDS 10 KT. WAVES 1 FT.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SHOWERS.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY.
SUN NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
MON
NE WINDS 10 TO 15 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ537-250800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1101 PM EDT FRI APR 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TONIGHT
SE WINDS 10 KT. WAVES 2 FT. ISOLATED SHOWERS LATE
THIS EVENING.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
SAT NIGHT...NE WINDS 15 KT
BECOMING 15 TO 20 KT LATE. GUSTS UP TO
25 KT. WAVES 3 FT. SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. SHOWERS
LIKELY.
SUN NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
MON
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. WAVES 2 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ530-250800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1101 PM EDT FRI APR 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SATURDAY THROUGH
SUNDAY AFTERNOON...
REST OF TONIGHT
E WINDS 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY.
SAT NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 1 TO 2 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
WED
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
ANZ531-250800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1101 PM EDT FRI APR 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SATURDAY THROUGH
SUNDAY AFTERNOON...
REST OF TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED
SHOWERS.
SAT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT. A
CHANCE OF SHOWERS.
SAT NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 2 TO 3 FT.
MON
NE WINDS 10 TO 15 KT. WAVES 2 FT.
MON NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
ANZ538-250800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1101 PM EDT FRI APR 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SATURDAY THROUGH
SUNDAY AFTERNOON...
REST OF TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS
LATE THIS EVENING, THEN ISOLATED SHOWERS.
SAT...E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO 25 KT
IN THE AFTERNOON. WAVES 1 TO 2 FT. SHOWERS LIKELY.
SAT NIGHT...E WINDS 10 TO 15 KT
BECOMING NE LATE. GUSTS UP TO
25 KT. WAVES 2 FT. SHOWERS.
SUN
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A CHANCE OF
SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 1 FT.
MON
NE WINDS 10 KT. WAVES 1 FT.
MON NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
WED
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
ANZ539-250800-
CHESTER RIVER TO QUEENSTOWN MD-
1101 PM EDT FRI APR 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SATURDAY THROUGH
SUNDAY AFTERNOON...
REST OF TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED
SHOWERS.
SAT...E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO 25 KT
IN THE AFTERNOON. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
MON
NE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
MON NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
WED
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
ANZ532-250800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1101 PM EDT FRI APR 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SATURDAY THROUGH
SUNDAY AFTERNOON...
REST OF TONIGHT
SE WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS.
SAT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT. A
CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. SHOWERS
LIKELY.
SUN NIGHT...NE WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
MON
NE WINDS 15 TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED...SE WINDS 5 TO 10 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS.
ANZ540-250800-
EASTERN BAY-
1101 PM EDT FRI APR 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SATURDAY THROUGH
SUNDAY AFTERNOON...
REST OF TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. ISOLATED
SHOWERS.
SAT...E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO 25 KT
IN THE AFTERNOON. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
LIKELY.
SUN NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
WED
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
ANZ533-250800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1101 PM EDT FRI APR 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TONIGHT
SE WINDS 10 KT. WAVES 1 TO 2 FT. ISOLATED SHOWERS
LATE THIS EVENING.
SAT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SAT NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT. SHOWERS
LIKELY.
SUN NIGHT
NE WINDS 20 TO 25 KT. GUSTS UP TO 30 KT IN THE EVENING.
WAVES 3 FT. A CHANCE OF SHOWERS.
MON
N WINDS 15 TO 20 KT. WAVES 3 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ541-250800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1101 PM EDT FRI APR 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SATURDAY THROUGH
SUNDAY AFTERNOON...
REST OF TONIGHT
SE WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS LATE
THIS EVENING.
SAT...E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO 25 KT
LATE. WAVES 1 TO 2 FT.
SAT NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SHOWERS LIKELY.
SUN NIGHT
NE WINDS 15 TO 20 KT. GUSTS UP TO 30 KT IN THE EVENING.
WAVES 2 FT. A CHANCE OF SHOWERS.
MON
N WINDS 15 TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
WED
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
ANZ542-250800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1101 PM EDT FRI APR 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SATURDAY THROUGH
SUNDAY AFTERNOON...
REST OF TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. ISOLATED SHOWERS
LATE THIS EVENING.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SHOWERS.
SUN
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. SHOWERS
LIKELY.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ534-250800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1101 PM EDT FRI APR 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. ISOLATED SHOWERS LATE THIS EVENING.
SAT
E WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SAT NIGHT...E WINDS 15 TO 20 KT
BECOMING NE LATE. GUSTS UP TO
25 KT. WAVES 3 FT. SHOWERS.
SUN
NE WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT. SHOWERS
LIKELY.
SUN NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT. A
CHANCE OF SHOWERS.
MON
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ543-250800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1101 PM EDT FRI APR 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT. ISOLATED SHOWERS LATE THIS EVENING.
SAT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SAT NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
LIKELY.
SUN NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
MON
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
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