840
FZUS51 KLWX 102359
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
759 PM EDT FRI APR 10 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.
ANZ500-110800-
759 PM EDT FRI APR 10 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL PROGRESS OFFSHORE THROUGH THIS EVENING. A COLD
FRONT WILL CROSS THE WATERS EARLY SATURDAY BEFORE THE BOUNDARY
DISSIPATES TO OUR SOUTH. HIGH PRESSURE WILL BUILD QUICKLY NORTH AND
EAST OF THE AREA SUNDAY AND MONDAY. SMALL CRAFT ADVISORIES MAY BE
NEEDED LATE SUNDAY THROUGH MONDAY.
ANZ535-110800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
759 PM EDT FRI APR 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 1 FT.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
SE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT.
SUN NIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-110800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
759 PM EDT FRI APR 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SATURDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
TONIGHT...S WINDS 10 KT
BECOMING NW LATE. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 FT.
TUE
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-110800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
759 PM EDT FRI APR 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SATURDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
TONIGHT...S WINDS 10 TO 15 KT
BECOMING W LATE. GUSTS UP TO 20 KT.
WAVES 1 TO 2 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SAT NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ530-110800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
759 PM EDT FRI APR 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
TONIGHT...SW WINDS 10 KT
BECOMING NW LATE. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 1 FT.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-110800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
759 PM EDT FRI APR 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SATURDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
TONIGHT...S WINDS 10 TO 15 KT
BECOMING NW LATE. GUSTS UP TO
20 KT. WAVES 1 TO 2 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SAT NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN...E WINDS 5 KT
BECOMING S 10 TO 15 KT WITH GUSTS TO 20 KT IN
THE AFTERNOON. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ538-110800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
759 PM EDT FRI APR 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SATURDAY
TONIGHT...S WINDS 10 KT
BECOMING NW LATE. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 1 FT.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT.
SUN...E WINDS 5 KT
BECOMING SE 10 TO 15 KT WITH GUSTS TO 20 KT IN
THE AFTERNOON. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ539-110800-
CHESTER RIVER TO QUEENSTOWN MD-
759 PM EDT FRI APR 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SATURDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
TONIGHT...S WINDS 10 TO 15 KT
BECOMING W LATE. GUSTS UP TO 20 KT.
WAVES 1 TO 2 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN...E WINDS 5 KT
BECOMING S 10 TO 15 KT IN THE AFTERNOON. WAVES
1 FT OR LESS.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ532-110800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
759 PM EDT FRI APR 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SATURDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
TONIGHT...S WINDS 15 KT
BECOMING W LATE. GUSTS UP TO 20 KT. WAVES
1 TO 2 FT.
SAT...N WINDS 10 TO 15 KT
BECOMING NE 5 TO 10 KT LATE. GUSTS UP
TO 20 KT. WAVES 2 FT.
SAT NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 15 TO 20 KT. WAVES 3 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
MON NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ540-110800-
EASTERN BAY-
759 PM EDT FRI APR 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SATURDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
TONIGHT...S WINDS 10 TO 15 KT
BECOMING W LATE. GUSTS UP TO 20 KT.
WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN...E WINDS 5 KT
BECOMING S 10 TO 15 KT WITH GUSTS TO 20 KT IN
THE AFTERNOON. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ533-110800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
759 PM EDT FRI APR 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SATURDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
TONIGHT...S WINDS 10 TO 15 KT
BECOMING W LATE. GUSTS UP TO 20 KT.
WAVES 1 TO 2 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 15 TO 20 KT. WAVES 3 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ541-110800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
759 PM EDT FRI APR 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SATURDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
TONIGHT...S WINDS 15 KT
BECOMING W LATE. GUSTS UP TO 20 KT. WAVES
1 TO 2 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 FT.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ542-110800-
PATUXENT RIVER TO BROOMES ISLAND MD-
759 PM EDT FRI APR 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SATURDAY
TONIGHT...S WINDS 10 KT
BECOMING W LATE. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
SUN...E WINDS 5 KT
BECOMING SE 10 TO 15 KT IN THE AFTERNOON.
WAVES 1 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-110800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
759 PM EDT FRI APR 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SATURDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
TONIGHT...S WINDS 15 KT
BECOMING W LATE. GUSTS UP TO 20 KT. WAVES
2 TO 3 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.
SAT NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 15 TO 20 KT. WAVES 3 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 3 FT.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...SW WINDS 10 TO 15 KT
BECOMING S. WAVES 1 TO 2 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ543-110800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
759 PM EDT FRI APR 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SATURDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
TONIGHT...S WINDS 15 KT
BECOMING SW LATE. GUSTS UP TO 20 KT.
WAVES 1 TO 2 FT.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SAT NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 FT.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 FT.
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