144
FZUS51 KLWX 212057
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
457 PM EDT SUN JUN 21 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.
ANZ500-220800-
457 PM EDT SUN JUN 21 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL REMAIN NEARBY TONIGHT BEFORE A FRONTAL SYSTEM
APPROACHES THE AREA MONDAY. HIGH PRESSURE WILL RETURN WEDNESDAY.
SMALL CRAFT ADVISORIES WILL LIKELY BE NEEDED FOR PORTIONS OF THE
WATERS MONDAY NIGHT INTO TUESDAY. SPECIAL MARINE WARNINGS MAY BE
NEEDED AS THUNDERSTORMS TRACK OVER THE WATERS MONDAY AFTERNOON AND
EVENING.
ANZ535-220800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
457 PM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF THIS AFTERNOON
W WINDS 10 KT. WAVES 1 FT.
TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
MON...S WINDS 10 TO 15 KT WITH GUSTS TO 30 KT
BECOMING SW WITH
GUSTS TO 30 KT LATE. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
MON NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT. SHOWERS WITH A CHANCE OF TSTMS.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
TUE NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
AFTERNOON. A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-220800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
457 PM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF THIS AFTERNOON
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
MON...S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING SW WITH
GUSTS TO 25 KT LATE. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE OF
TSTMS.
MON NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
TUE NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NE WINDS AROUND 5 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
AFTERNOON. A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-220800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
457 PM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT
BUILDING TO 3 FT IN THE AFTERNOON.
MON NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING SW
5 TO 10 KT AFTER MIDNIGHT. WAVES 3 FT... SUBSIDING TO 1 FT AFTER
MIDNIGHT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
THU...S WINDS AROUND 5 KT...INCREASING TO 10 TO 15 KT. WAVES FLAT
BUILDING TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-220800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
457 PM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF THIS AFTERNOON
W WINDS 10 KT. WAVES 1 FT.
TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON...SE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING S WITH
GUSTS TO 25 KT LATE. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE OF
TSTMS.
MON NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W
5 KT AFTER MIDNIGHT. WAVES 1 FT. SHOWERS WITH A CHANCE OF TSTMS.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED...NW WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-220800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
457 PM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
REST OF THIS AFTERNOON
W WINDS 10 KT. WAVES 1 FT.
TONIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
MON...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING S 15 TO
20 KT WITH GUSTS TO 30 KT IN THE AFTERNOON. WAVES 2 TO 3 FT. SHOWERS
WITH A CHANCE OF TSTMS.
MON NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING W
5 TO 10 KT AFTER MIDNIGHT. WAVES 3 FT...SUBSIDING TO 1 FT AFTER
MIDNIGHT. SHOWERS WITH A CHANCE OF TSTMS.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED...NW WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT OR LESS.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-220800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
457 PM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF THIS AFTERNOON
W WINDS 10 KT. WAVES 1 FT.
TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON...SE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING S WITH
GUSTS TO 25 KT LATE. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE OF
TSTMS.
MON NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT OR LESS. SHOWERS WITH A CHANCE OF TSTMS.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED
W WINDS AROUND 5 KT. WAVES FLAT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
IN THE AFTERNOON. A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-220800-
CHESTER RIVER TO QUEENSTOWN MD-
457 PM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
REST OF THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON...S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING 15 KT
WITH GUSTS TO 25 KT LATE. WAVES 1 FT...BUILDING TO 3 FT IN THE
AFTERNOON. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING W
5 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE OF
TSTMS.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED...N WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-220800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
457 PM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON...S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT
BUILDING TO 4 FT IN THE AFTERNOON. SHOWERS LIKELY WITH A CHANCE OF
TSTMS.
MON NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING W
5 TO 10 KT AFTER MIDNIGHT. WAVES 4 FT...SUBSIDING TO 1 FT AFTER
MIDNIGHT. SHOWERS WITH A CHANCE OF TSTMS.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT OR LESS.
THU...S WINDS 10 TO 15 KT. WAVES 1 FT
BUILDING TO 2 TO 3 FT. A
CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-220800-
EASTERN BAY-
457 PM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
REST OF THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
MON...S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
INCREASING TO
15 TO 20 KT WITH GUSTS TO 25 KT LATE. WAVES 1 TO 2 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
MON NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING W
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE OF
TSTMS.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT OR LESS.
THU...S WINDS AROUND 5 KT
INCREASING TO 10 TO 15 KT. WAVES 1 FT
OR LESS. A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-220800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
457 PM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
REST OF THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
MON...S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT
BUILDING TO 4 FT IN THE AFTERNOON. A CHANCE OF SHOWERS AND TSTMS.
MON NIGHT...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING W
5 TO 10 KT AFTER MIDNIGHT. WAVES 4 FT...SUBSIDING TO 1 FT AFTER
MIDNIGHT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
AND TSTMS.
TUE NIGHT
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
THU...S WINDS 15 TO 20 KT. WAVES 1 FT
BUILDING TO 2 TO 3 FT. A
CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-220800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
457 PM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
REST OF THIS AFTERNOON
W WINDS 5 KT. WAVES FLAT.
TONIGHT
SE WINDS 5 KT. WAVES FLAT.
MON
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
MON NIGHT...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING SW
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE OF
TSTMS.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED...N WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
THU...S WINDS AROUND 5 KT
INCREASING TO 10 TO 15 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-220800-
PATUXENT RIVER TO BROOMES ISLAND MD-
457 PM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
MON
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
MON NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW
5 KT AFTER MIDNIGHT. WAVES 1 FT. SHOWERS WITH A CHANCE OF TSTMS.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NE WINDS AROUND 5 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-220800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
457 PM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
REST OF THIS AFTERNOON
SE WINDS 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON...S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT
BUILDING TO 4 FT IN THE AFTERNOON.
MON NIGHT...S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT
BECOMING SW
10 TO 15 KT AFTER MIDNIGHT. WAVES 4 FT... SUBSIDING TO 2 FT AFTER
MIDNIGHT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF TSTMS.
TUE NIGHT
N WINDS 10 KT. WAVES 2 FT.
WED...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 TO 2 FT.
THU...S WINDS 5 KT...INCREASING TO 15 TO 20 KT. WAVES 1 FT
BUILDING TO 3 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-220800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
457 PM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
MON NIGHT...S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT
BECOMING SW
10 TO 15 KT WITH GUSTS TO 20 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
TUE NIGHT
N WINDS 10 TO 15 KT. WAVES 1 FT.
WED...NW WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
THU...S WINDS 5 KT
INCREASING TO 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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