045
FZUS51 KLWX 200257
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1057 PM EDT SUN JUL 19 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.
ANZ500-200800-
1057 PM EDT SUN JUL 19 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT WILL STALL TO THE SOUTH AS HIGH PRESSURE PASSES TO THE
NORTH TONIGHT INTO MONDAY. THE FRONT WILL RETURN BACK NORTHWARD
MONDAY NIGHT INTO TUESDAY, FOLLOWED BY ANOTHER COLD FRONT TUESDAY
NIGHT INTO WEDNESDAY. SMALL CRAFT ADVISORIES MAY BE NEEDED FOR
PORTIONS OF THE WATERS MONDAY NIGHT, AND WILL BE LIKELY TUESDAY
THROUGH WEDNESDAY.
ANZ535-200800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1057 PM EDT SUN JUL 19 2026
REST OF TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
E WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
TUE
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
WITH A CHANCE OF TSTMS.
TUE NIGHT
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
WITH A CHANCE OF TSTMS.
WED
W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-200800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1057 PM EDT SUN JUL 19 2026
REST OF TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT
CHANCE OF SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
WITH A CHANCE OF TSTMS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-200800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1057 PM EDT SUN JUL 19 2026
REST OF TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A SLIGHT CHANCE
OF SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
WITH A CHANCE OF TSTMS.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-200800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1057 PM EDT SUN JUL 19 2026
REST OF TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
E WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
WITH A CHANCE OF TSTMS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS AND TSTMS.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-200800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1057 PM EDT SUN JUL 19 2026
REST OF TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
WITH A CHANCE OF TSTMS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE
OF SHOWERS AND TSTMS.
WED NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU...N WINDS 10 TO 15 KT
BECOMING NE AROUND 5 KT. WAVES 1 TO
2 FT...SUBSIDING TO FLAT AFTER MIDNIGHT.
FRI
SE WINDS AROUND 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-200800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1057 PM EDT SUN JUL 19 2026
REST OF TONIGHT
NE WINDS 5 KT. WAVES FLAT.
MON
E WINDS 5 KT. WAVES FLAT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
WITH A CHANCE OF TSTMS.
TUE NIGHT
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
WITH A CHANCE OF TSTMS.
WED
W WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
SE WINDS AROUND 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-200800-
CHESTER RIVER TO QUEENSTOWN MD-
1057 PM EDT SUN JUL 19 2026
REST OF TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
WITH A CHANCE OF TSTMS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
E WINDS AROUND 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-200800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1057 PM EDT SUN JUL 19 2026
REST OF TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON...NE WINDS 5 TO 10 KT
BECOMING SE LATE. WAVES 1 FT.
MON NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
WITH A CHANCE OF TSTMS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
WED NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU...N WINDS 10 TO 15 KT...BECOMING NE 5 KT. WAVES 1 TO 2 FT
SUBSIDING TO FLAT AFTER MIDNIGHT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-200800-
EASTERN BAY-
1057 PM EDT SUN JUL 19 2026
REST OF TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
WITH A CHANCE OF TSTMS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
E WINDS AROUND 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-200800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1057 PM EDT SUN JUL 19 2026
REST OF TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A SLIGHT CHANCE
OF SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
TUE
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 2 FT. SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED
W WINDS 15 TO 20 KT. WAVES 2 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
WED NIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
THU...N WINDS 10 TO 15 KT
BECOMING NE 5 KT AFTER MIDNIGHT. WAVES
1 TO 2 FT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-200800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1057 PM EDT SUN JUL 19 2026
REST OF TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON...NE WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT OR LESS.
MON NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED
W WINDS 15 TO 20 KT. WAVES 2 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
WED NIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
THU...N WINDS 10 TO 15 KT
BECOMING NE AROUND 5 KT. WAVES 1 FT OR
LESS.
FRI
E WINDS AROUND 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-200800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1057 PM EDT SUN JUL 19 2026
REST OF TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT
CHANCE OF SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
WITH A CHANCE OF TSTMS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
WITH A CHANCE OF TSTMS.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-200800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1057 PM EDT SUN JUL 19 2026
REST OF TONIGHT
E WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. SHOWERS
WITH A CHANCE OF TSTMS.
WED NIGHT...W WINDS 10 TO 15 KT
BECOMING N AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
THU...N WINDS 10 TO 15 KT
BECOMING NE 5 KT AFTER MIDNIGHT. WAVES
1 TO 2 FT. A CHANCE OF SHOWERS IN THE MORNING.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-200800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1057 PM EDT SUN JUL 19 2026
REST OF TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A SLIGHT CHANCE
OF SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING.
MON...E WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT.
MON NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
WITH A CHANCE OF TSTMS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED
SW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED NIGHT...W WINDS 10 TO 15 KT
BECOMING N AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY.
THU...NE WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF SHOWERS IN THE MORNING.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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