862
FZUS51 KLWX 220258
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1058 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-
1058 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-
1058 PM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF TONIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
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 WITH GUSTS TO 20 KT
BECOMING NW
LATE. 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
NW WINDS AROUND 5 KT. WAVES 1 FT.
WED NIGHT
SE 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.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-220800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1058 PM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF TONIGHT
E WINDS 5 KT. WAVES LESS THAN 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 EARLY 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
N WINDS AROUND 5 KT. WAVES 1 FT.
WED NIGHT
SE 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.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-220800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1058 PM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF TONIGHT
SE WINDS 5 KT. WAVES LESS THAN 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...SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING W
5 KT LATE. 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. WAVES 1 FT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
THU...S WINDS AROUND 5 KT...INCREASING TO 10 TO 15 KT. WAVES FLAT
BUILDING TO 2 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS THROUGH THE
NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-220800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1058 PM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF TONIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
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. WAVES 1 FT OR LESS.
WED NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS THROUGH THE NIGHT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF TSTMS.
A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-220800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1058 PM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF TONIGHT
E WINDS 5 KT. WAVES FLAT.
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. WAVES 1 FT.
WED NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
FRI
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF TSTMS. A
CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-220800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1058 PM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF TONIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
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 WITH GUSTS TO 20 KT
BECOMING NW
LATE. 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
NW WINDS 5 KT. WAVES FLAT.
WED NIGHT
S 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.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF TSTMS. A
CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-220800-
CHESTER RIVER TO QUEENSTOWN MD-
1058 PM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
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. WAVES 1 FT.
WED NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF TSTMS. A
CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-220800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1058 PM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF 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. 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. WAVES 1 FT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
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.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF TSTMS. A CHANCE
OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-220800-
EASTERN BAY-
1058 PM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF TONIGHT
SE WINDS 5 KT. WAVES FLAT.
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. WAVES 1 FT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
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.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF TSTMS. A
CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-220800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1058 PM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF 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. WAVES 1 FT.
WED NIGHT
SE WINDS AROUND 5 KT. 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.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF TSTMS. A CHANCE
OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-220800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1058 PM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF 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. WAVES 1 FT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
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.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF TSTMS. A CHANCE
OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-220800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1058 PM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF TONIGHT
SE WINDS 5 KT. WAVES LESS THAN 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
N WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-220800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1058 PM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF TONIGHT
SE WINDS 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 W
10 KT LATE. 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. WAVES 1 TO 2 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU...S WINDS 5 KT...INCREASING TO 15 TO 20 KT. WAVES 1 FT
BUILDING TO 3 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS. A CHANCE
OF TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-220800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1058 PM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF TONIGHT
SE WINDS 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 KT LATE. 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. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU...S WINDS 5 KT
INCREASING TO 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS. A CHANCE
OF TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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