669
FZUS51 KLWX 101500
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1100 AM 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.
ANZ500-102000-
1100 AM 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.
ANZ535-102000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1100 AM EDT FRI APR 10 2026
REST OF TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT...S WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 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 10 KT. WAVES 1 FT.
MON...SW WINDS 10 TO 15 KT
DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-102000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1100 AM EDT FRI APR 10 2026
REST OF TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT...S WINDS 5 TO 10 KT
BECOMING W LATE. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 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 10 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-102000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1100 AM EDT FRI APR 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
REST OF TODAY
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT THIS
AFTERNOON. WAVES 1 FT OR LESS.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 2 FT.
SAT NIGHT
E 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 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.
ANZ530-102000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1100 AM EDT FRI APR 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
REST OF TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT...S WINDS 5 TO 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 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT.
SUN NIGHT
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON...SW WINDS 10 TO 15 KT
DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ531-102000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1100 AM EDT FRI APR 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
REST OF TODAY
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT THIS
AFTERNOON. WAVES 1 TO 2 FT.
TONIGHT...S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
BECOMING W
LATE. WAVES 2 FT.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 1 TO 2 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 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 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ538-102000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1100 AM EDT FRI APR 10 2026
REST OF TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TONIGHT...S WINDS 5 TO 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 5 KT. WAVES FLAT.
SUN...E WINDS 5 KT
BECOMING S 10 TO 15 KT WITH GUSTS TO 20 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 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ539-102000-
CHESTER RIVER TO QUEENSTOWN MD-
1100 AM EDT FRI APR 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
REST OF TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT...S WINDS 10 KT WITH GUSTS TO 20 KT
BECOMING W LATE.
WAVES 1 TO 2 FT.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 1 TO 2 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON...SW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
TUE
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ532-102000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1100 AM EDT FRI APR 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
REST OF TODAY
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS
AFTERNOON. WAVES 1 TO 2 FT. PATCHY FOG LATE THIS MORNING WITH VSBY
1 TO 3 NM.
TONIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W
5 TO 10 KT LATE. WAVES 2 FT.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 1 TO 2 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 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
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.
ANZ540-102000-
EASTERN BAY-
1100 AM EDT FRI APR 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
REST OF TODAY
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT THIS
AFTERNOON. WAVES 1 FT.
TONIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W
5 TO 10 KT 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 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 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.
ANZ533-102000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1100 AM EDT FRI APR 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
REST OF TODAY...S WINDS 5 TO 10 KT
INCREASING TO 15 KT WITH GUSTS
TO 20 KT LATE. WAVES 1 TO 2 FT.
TONIGHT...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. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 2 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 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
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.
ANZ541-102000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1100 AM EDT FRI APR 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
REST OF TODAY
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT THIS
AFTERNOON. WAVES 1 FT OR LESS.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING W 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 1 TO 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 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON...SW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ542-102000-
PATUXENT RIVER TO BROOMES ISLAND MD-
1100 AM EDT FRI APR 10 2026
REST OF TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT...S WINDS 5 TO 10 KT
BECOMING W 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 5 KT. WAVES LESS THAN 1 FT.
SUN
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 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
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT.
TUE
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ534-102000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1100 AM EDT FRI APR 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
REST OF TODAY...S WINDS 5 TO 10 KT
INCREASING TO 15 KT WITH GUSTS
TO 20 KT LATE. WAVES 1 TO 2 FT.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING SW LATE. GUSTS UP TO
25 KT. WAVES 2 TO 3 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 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 10 TO 15 KT
BECOMING S. WAVES 1 TO 2 FT.
ANZ543-102000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1100 AM EDT FRI APR 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
REST OF TODAY
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE. WAVES
1 FT OR LESS.
TONIGHT...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
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 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 1 TO 2 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT.
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