843
FZUS51 KLWX 092358
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
758 PM EDT THU APR 9 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.
ANZ500-100800-
758 PM EDT THU APR 9 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL PROGRESS OFFSHORE THROUGH FRIDAY. 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
SATURDAY AND LATE SUNDAY THROUGH MONDAY.
ANZ535-100800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
758 PM EDT THU APR 9 2026
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT...S WINDS 5 TO 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
E 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 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-100800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
758 PM EDT THU APR 9 2026
TONIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 TO 3 NM.
FRI NIGHT...S WINDS 5 TO 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
E 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. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-100800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
758 PM EDT THU APR 9 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE
FRIDAY NIGHT...
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. PATCHY FOG. VSBY 1 TO
3 NM.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
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 TO 20 KT. WAVES 2 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ530-100800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
758 PM EDT THU APR 9 2026
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 TO 3 NM.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. 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 WITH GUSTS TO 20 KT. WAVES 1 FT.
MON...SW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-100800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
758 PM EDT THU APR 9 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE
FRIDAY NIGHT...
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 TO 3 NM.
FRI NIGHT...S WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT LATE. GUSTS
UP TO 20 KT. WAVES 2 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SAT NIGHT
NE WINDS 5 TO 10 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 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. WAVES 1 TO 2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ538-100800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
758 PM EDT THU APR 9 2026
TONIGHT
S WINDS 5 KT. WAVES FLAT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. PATCHY FOG. VSBY 1 TO
3 NM.
FRI NIGHT...S WINDS 5 TO 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 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 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ539-100800-
CHESTER RIVER TO QUEENSTOWN MD-
758 PM EDT THU APR 9 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE
FRIDAY NIGHT...
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 TO 3 NM.
FRI NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY
MORNING. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
SE WINDS 5 TO 10 KT. 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. WAVES 1 TO 2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ532-100800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
758 PM EDT THU APR 9 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE
FRIDAY NIGHT...
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. PATCHY FOG. VSBY 1 TO
3 NM.
FRI NIGHT...S WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT LATE. GUSTS
UP TO 20 KT. WAVES 2 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN...SE 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 15 TO 20 KT. WAVES 3 FT.
MON...SW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ540-100800-
EASTERN BAY-
758 PM EDT THU APR 9 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE
FRIDAY NIGHT...
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. PATCHY FOG. VSBY 1 TO
3 NM.
FRI NIGHT
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY
MORNING. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SAT NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN...SE 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 1 TO
2 FT.
MON...SW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO
2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ533-100800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
758 PM EDT THU APR 9 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE
FRIDAY NIGHT...
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG AFTER MIDNIGHT
WITH VSBY 1 TO 3 NM.
FRI
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. PATCHY FOG. VSBY 1 TO
3 NM.
FRI NIGHT...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT LATE.
GUSTS UP TO 20 KT. WAVES 2 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 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 WITH GUSTS TO 25 KT. WAVES 3 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ541-100800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
758 PM EDT THU APR 9 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE
FRIDAY NIGHT...
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. PATCHY FOG. VSBY 1 TO
3 NM.
FRI NIGHT...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT 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 TO 10 KT. WAVES 1 FT OR LESS.
SUN...SE WINDS 5 KT
BECOMING S 10 TO 15 KT WITH GUSTS TO 20 KT IN
THE AFTERNOON. WAVES 1 FT.
SUN NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ542-100800-
PATUXENT RIVER TO BROOMES ISLAND MD-
758 PM EDT THU APR 9 2026
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 TO 3 NM.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SUN...SE WINDS AROUND 5 KT
INCREASING TO 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. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-100800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
758 PM EDT THU APR 9 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE
FRIDAY NIGHT...
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
FRI...S WINDS 10 TO 15 KT. WAVES FLAT
BUILDING TO 2 FT IN THE
AFTERNOON. PATCHY FOG. VSBY 1 TO 3 NM.
FRI NIGHT...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT LATE.
GUSTS UP TO 20 KT. WAVES 2 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ543-100800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
758 PM EDT THU APR 9 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE
FRIDAY NIGHT...
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. PATCHY FOG. VSBY 1 TO
3 NM.
FRI NIGHT...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT LATE.
GUSTS UP TO 20 KT. WAVES 2 FT.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT.
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