658
FZUS51 KLWX 211457
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1057 AM 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.
ANZ500-212000-
1057 AM EDT SUN JUN 21 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD NEAR THE AREA OVER THE WEEKEND BEFORE A
FRONTAL SYSTEM APPROACHES THE AREA MONDAY. 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.
ANZ535-212000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1057 AM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF TODAY
W WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES
1 FT.
MON...SE WINDS 5 TO 10 KT
BECOMING SW 15 KT WITH GUSTS TO 25 KT
IN THE AFTERNOON. WAVES 1 TO 2 FT. WIDESPREAD SHOWERS AND SCATTERED
TSTMS.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WIDESPREAD SHOWERS AND SCATTERED TSTMS.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED...NW WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-212000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1057 AM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF TODAY
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON...S WINDS 5 TO 10 KT
INCREASING TO 15 KT WITH GUSTS TO 25 KT
IN THE AFTERNOON. WAVES 1 TO 2 FT. WIDESPREAD SHOWERS AND SCATTERED
TSTMS.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WIDESPREAD SHOWERS AND SCATTERED TSTMS.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-212000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1057 AM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF TODAY
NW 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 2 TO 3 FT.
WIDESPREAD SHOWERS AND SCATTERED TSTMS.
MON NIGHT...S WINDS 15 TO 20 KT
BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. WIDESPREAD SHOWERS AND
SCATTERED TSTMS.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NW 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 1 TO
2 FT. A CHANCE OF SHOWERS. A CHANCE OF TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-212000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1057 AM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF TODAY
W WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT...NW WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES
1 FT.
MON...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING S 15 TO
20 KT WITH GUSTS TO 25 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
WIDESPREAD SHOWERS AND SCATTERED TSTMS.
MON NIGHT...SW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT. WIDESPREAD SHOWERS AND
SCATTERED 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 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS. A CHANCE
OF TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-212000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1057 AM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
REST OF TODAY
W WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT...NW WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES
1 FT.
MON...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING S 15 TO
20 KT WITH GUSTS TO 25 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
WIDESPREAD SHOWERS AND SCATTERED TSTMS.
MON NIGHT...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 TO 3 FT. WIDESPREAD SHOWERS AND SCATTERED
TSTMS.
TUE
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE NIGHT
N WINDS 10 TO 15 KT. WAVES 2 FT.
WED...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT OR LESS.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 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.
ANZ538-212000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1057 AM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF TODAY
W WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT...NW WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES
1 FT.
MON...SE WINDS 10 TO 15 KT
BECOMING S WITH GUSTS TO 25 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT. WIDESPREAD SHOWERS AND SCATTERED TSTMS.
MON NIGHT...SW WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT.
GUSTS UP TO 20 KT. WAVES 1 TO 2 FT. WIDESPREAD SHOWERS AND SCATTERED
TSTMS.
TUE
NW WINDS 10 KT. WAVES 1 FT.
TUE NIGHT
NW WINDS 10 KT. WAVES 1 FT.
WED...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-212000-
CHESTER RIVER TO QUEENSTOWN MD-
1057 AM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
REST OF TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT...NW WINDS 5 TO 10 KT
BECOMING E IN THE LATE EVENING AND
OVERNIGHT. WAVES 1 FT.
MON...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING S 15 TO
20 KT WITH GUSTS TO 25 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
WIDESPREAD SHOWERS AND SCATTERED TSTMS.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WIDESPREAD SHOWERS AND SCATTERED TSTMS.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TUE NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED...N WINDS 5 TO 10 KT
BECOMING SE. 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.
ANZ532-212000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1057 AM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
REST OF TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING S 15 TO
20 KT WITH GUSTS TO 25 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
WIDESPREAD SHOWERS AND SCATTERED TSTMS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT. WIDESPREAD SHOWERS AND SCATTERED TSTMS.
TUE
NW WINDS 10 KT. WAVES 1 FT.
TUE NIGHT
NW WINDS 10 TO 15 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 IN THE AFTERNOON. A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-212000-
EASTERN BAY-
1057 AM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
REST OF TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT...N WINDS 5 TO 10 KT
BECOMING SE IN THE LATE EVENING AND
OVERNIGHT. WAVES 1 FT.
MON...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING S 15 TO
20 KT WITH GUSTS TO 25 KT IN THE AFTERNOON. WAVES 2 FT. WIDESPREAD
SHOWERS AND SCATTERED TSTMS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WIDESPREAD SHOWERS AND SCATTERED TSTMS.
TUE
NW WINDS 10 TO 15 KT. WAVES 1 FT.
TUE NIGHT
N WINDS 10 TO 15 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. 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.
ANZ533-212000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1057 AM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
REST OF TODAY
S 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 2 FT
BUILDING TO 4 FT IN THE AFTERNOON. WIDESPREAD SHOWERS AND SCATTERED
TSTMS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT. WIDESPREAD SHOWERS AND SCATTERED TSTMS.
TUE
NW WINDS 10 KT. WAVES 1 TO 2 FT.
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 10 TO 15 KT. WAVES 1 FT
BUILDING TO 2 TO 3 FT. A
CHANCE OF SHOWERS. A CHANCE OF TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-212000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1057 AM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
REST OF TODAY
W 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 2 FT.
WIDESPREAD SHOWERS AND SCATTERED TSTMS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WIDESPREAD SHOWERS AND SCATTERED TSTMS.
TUE
NW WINDS 10 TO 15 KT. WAVES 1 FT.
TUE NIGHT
N WINDS 10 TO 15 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 TO 2 FT. A CHANCE OF SHOWERS. A
CHANCE OF TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-212000-
PATUXENT RIVER TO BROOMES ISLAND MD-
1057 AM EDT SUN JUN 21 2026
..SMALL CRAFT ADVISORY IN EFFECT MONDAY AFTERNOON
REST OF TODAY
W 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.
WIDESPREAD SHOWERS AND SCATTERED TSTMS.
MON NIGHT...S WINDS 15 KT
BECOMING SW AFTER MIDNIGHT. GUSTS UP TO
20 KT. WAVES 1 FT. WIDESPREAD SHOWERS AND SCATTERED TSTMS.
TUE
NW WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 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 1 FT.
A CHANCE OF SHOWERS. A CHANCE OF TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-212000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1057 AM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
REST OF TODAY...W WINDS 5 KT
BECOMING SE LATE. WAVES 1 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 2 FT.
MON
S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
WIDESPREAD SHOWERS AND SCATTERED TSTMS.
MON NIGHT...S WINDS 15 TO 20 KT
BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 3 FT. WIDESPREAD SHOWERS AND
SCATTERED TSTMS.
TUE
NW WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
TUE NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED...N WINDS 10 TO 15 KT
DIMINISHING TO 5 KT IN THE AFTERNOON,
THEN BECOMING S. WAVES 1 TO 2 FT.
THU...S WINDS 10 TO 15 KT. WAVES 1 FT
BUILDING TO 3 FT. A CHANCE
OF SHOWERS AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-212000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1057 AM EDT SUN JUN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
REST OF TODAY...W WINDS 5 KT
BECOMING S LATE. WAVES 1 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
INCREASING TO
20 KT WITH GUSTS TO 30 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
WIDESPREAD SHOWERS AND SCATTERED TSTMS.
MON NIGHT...S WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT. WIDESPREAD SHOWERS AND
SCATTERED TSTMS.
TUE
NW WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
N WINDS 10 TO 15 KT. WAVES 1 FT.
WED...N WINDS 10 TO 15 KT
BECOMING NW 5 KT IN THE AFTERNOON, THEN
BECOMING S. WAVES 1 FT.
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.
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