776
FZUS51 KLWX 121158
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
758 AM EDT SUN APR 12 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.
ANZ500-122000-
758 AM EDT SUN APR 12 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD QUICKLY NORTH AND EAST OF THE AREA TODAY
BEFORE A WARM FRONT MOVES THROUGH LATER THIS EVENING. LATER IN THE
WEEK, HIGH PRESSURE BUILDS TO THE SOUTH WHILE A FRONTAL ZONE
REMAINS OVER THE GREAT LAKES INTO NEW ENGLAND. SMALL CRAFT
ADVISORIES MAY BE NEEDED MONDAY EVENING AND THROUGH MUCH OF THE
WEEK.
ANZ535-122000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
758 AM EDT SUN APR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
TODAY...E WINDS 5 KT
BECOMING S WITH GUSTS TO 20 KT THIS
AFTERNOON. WAVES 1 FT.
TONIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-122000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
758 AM EDT SUN APR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH MONDAY
AFTERNOON...
TODAY
SE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT THIS AFTERNOON.
WAVES 1 TO 2 FT.
TONIGHT
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 1 TO 2 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-122000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
758 AM EDT SUN APR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH MONDAY
AFTERNOON...
TODAY...SE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
INCREASING TO
15 KT WITH GUSTS TO 20 KT LATE. WAVES 1 TO 2 FT...BUILDING TO 3 FT
LATE.
TONIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 2 TO 3 FT.
MON
SW WINDS 10 TO 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 TO 2 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ530-122000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
758 AM EDT SUN APR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH MONDAY
AFTERNOON...
TODAY...E WINDS 5 KT
BECOMING S WITH GUSTS TO 20 KT THIS
AFTERNOON. WAVES 1 FT.
TONIGHT
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 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.
TUE NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-122000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
758 AM EDT SUN APR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH MONDAY
AFTERNOON...
TODAY...E WINDS 10 KT
BECOMING S WITH GUSTS TO 25 KT THIS
AFTERNOON. WAVES 1 TO 2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ538-122000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
758 AM EDT SUN APR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
TODAY...SE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
BECOMING S 15 KT
WITH GUSTS TO 20 KT LATE. WAVES 1 TO 2 FT.
TONIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 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.
TUE NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ539-122000-
CHESTER RIVER TO QUEENSTOWN MD-
758 AM EDT SUN APR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH MONDAY
AFTERNOON...
TODAY...E WINDS 5 KT
BECOMING S WITH GUSTS TO 20 KT THIS
AFTERNOON. WAVES 1 TO 2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 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 TO 2 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ532-122000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
758 AM EDT SUN APR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH MONDAY
AFTERNOON...
TODAY...E WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT WITH GUSTS TO
25 KT THIS AFTERNOON. WAVES 1 FT...BUILDING TO 3 FT LATE.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ540-122000-
EASTERN BAY-
758 AM EDT SUN APR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH MONDAY
AFTERNOON...
TODAY...E WINDS 5 KT
BECOMING S 10 TO 15 KT WITH GUSTS TO 20 KT
THIS AFTERNOON. WAVES 1 TO 2 FT.
TONIGHT
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 TO 2 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ533-122000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
758 AM EDT SUN APR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH MONDAY
AFTERNOON...
TODAY...E WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT WITH GUSTS TO
20 KT THIS AFTERNOON. WAVES 1 FT...BUILDING TO 3 FT LATE.
TONIGHT
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
MON NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 TO 2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ541-122000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
758 AM EDT SUN APR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH MONDAY
AFTERNOON...
TODAY...E WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT WITH GUSTS TO
20 KT THIS AFTERNOON. WAVES 1 TO 2 FT.
TONIGHT
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 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 TO 2 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ542-122000-
PATUXENT RIVER TO BROOMES ISLAND MD-
758 AM EDT SUN APR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
TODAY...SE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
INCREASING TO
15 KT WITH GUSTS TO 20 KT LATE. WAVES 1 FT.
TONIGHT
S WINDS 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. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-122000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
758 AM EDT SUN APR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH MONDAY
AFTERNOON...
TODAY...SE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
INCREASING TO
15 KT WITH GUSTS TO 20 KT LATE. WAVES 1 TO 2 FT...BUILDING TO 3 FT
LATE.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 4 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 2 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU
SW WINDS 10 TO 15 KT. WAVES 2 FT.
ANZ543-122000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
758 AM EDT SUN APR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH MONDAY
AFTERNOON...
TODAY...E WINDS 5 TO 10 KT
BECOMING SE WITH GUSTS TO 20 KT THIS
AFTERNOON. WAVES 1 TO 2 FT.
TONIGHT
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
MON
S WINDS 10 TO 15 KT WITH GUSTS 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 TO 2 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 2 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 FT.
THU
SW WINDS 10 TO 15 KT. WAVES 1 FT.
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