252
FZUS51 KLWX 191827
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 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-
227 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-
227 PM EDT SUN JUL 19 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS. PATCHY SMOKE.
TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
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
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
SHOWERS LIKELY. A CHANCE OF TSTMS THROUGH THE NIGHT.
THU
N WINDS 5 TO 10 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-
227 PM EDT SUN JUL 19 2026
THIS AFTERNOON
N WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS. PATCHY SMOKE.
TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
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
BECOMING N 5 TO 10 KT. WAVES 1 FT.
SHOWERS. A CHANCE OF TSTMS THROUGH THE NIGHT, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT.
THU
NE WINDS 5 TO 10 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-
227 PM EDT SUN JUL 19 2026
THIS AFTERNOON
N WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
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 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
BECOMING NW 5 TO 10 KT. WAVES 1 TO
2 FT. SHOWERS. A CHANCE OF TSTMS THROUGH THE NIGHT, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT.
THU
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-200800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
227 PM EDT SUN JUL 19 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 1 FT. PATCHY SMOKE.
TONIGHT
N WINDS 5 TO 10 KT. WAVES 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
BECOMING NW 5 TO 10 KT. WAVES 1 TO
2 FT. SHOWERS LIKELY IN THE MORNING, THEN A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-200800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
227 PM EDT SUN JUL 19 2026
THIS AFTERNOON
N WINDS 10 KT. WAVES 1 FT. PATCHY SMOKE.
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
BECOMING NW. WAVES 1 TO 2 FT. SHOWERS
LIKELY IN THE MORNING, THEN A CHANCE OF SHOWERS AND TSTMS THROUGH
THE NIGHT.
THU...N WINDS 10 TO 15 KT
BECOMING NE AROUND 5 KT. WAVES 1 TO
2 FT...SUBSIDING TO FLAT AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-200800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
227 PM EDT SUN JUL 19 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 1 FT. PATCHY SMOKE.
TONIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
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
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
SHOWERS LIKELY IN THE MORNING, THEN A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-200800-
CHESTER RIVER TO QUEENSTOWN MD-
227 PM EDT SUN JUL 19 2026
THIS AFTERNOON
N WINDS 10 KT. WAVES 1 FT. PATCHY SMOKE.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
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
BECOMING NW 5 TO 10 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY WITH A
CHANCE OF TSTMS THROUGH THE NIGHT.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-200800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
227 PM EDT SUN JUL 19 2026
THIS AFTERNOON
N WINDS 10 KT. WAVES 1 FT. PATCHY SMOKE.
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
BECOMING NW. WAVES 1 TO 2 FT. A CHANCE
OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY WITH A CHANCE OF
TSTMS THROUGH THE NIGHT.
THU...N WINDS 10 TO 15 KT...BECOMING NE 5 KT. WAVES 1 TO 2 FT
SUBSIDING TO FLAT AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-200800-
EASTERN BAY-
227 PM EDT SUN JUL 19 2026
THIS AFTERNOON
N WINDS 10 KT. WAVES 1 FT. PATCHY SMOKE.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
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
BECOMING NW 5 TO 10 KT. WAVES 1 TO
2 FT. SHOWERS. A CHANCE OF TSTMS THROUGH THE NIGHT, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-200800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
227 PM EDT SUN JUL 19 2026
THIS AFTERNOON
N WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS. PATCHY SMOKE.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
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
BECOMING NW 10 TO 15 KT. WAVES 2 FT.
SHOWERS THROUGH THE DAY. A CHANCE OF TSTMS THROUGH THE NIGHT. A
CHANCE OF SHOWERS THROUGH THE NIGHT.
THU...N WINDS 10 TO 15 KT
BECOMING NE 5 KT AFTER MIDNIGHT. WAVES
1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-200800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
227 PM EDT SUN JUL 19 2026
THIS AFTERNOON
N WINDS 10 KT. WAVES 1 FT. PATCHY SMOKE.
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
BECOMING NW 10 TO 15 KT. WAVES 1 TO
2 FT. SHOWERS. A CHANCE OF TSTMS THROUGH THE NIGHT, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT.
THU...N WINDS 10 TO 15 KT
BECOMING NE AROUND 5 KT. WAVES 1 FT OR
LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-200800-
PATUXENT RIVER TO BROOMES ISLAND MD-
227 PM EDT SUN JUL 19 2026
THIS AFTERNOON
N WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
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
BECOMING NW 5 TO 10 KT. WAVES 1 FT.
SHOWERS. A CHANCE OF TSTMS THROUGH THE NIGHT, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT.
THU
NE WINDS 5 TO 10 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-
227 PM EDT SUN JUL 19 2026
THIS AFTERNOON
N WINDS 10 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
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 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
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 3 FT...SUBSIDING TO 2 FT. SHOWERS. A CHANCE OF TSTMS THROUGH
THE NIGHT, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
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.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-200800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
227 PM EDT SUN JUL 19 2026
THIS AFTERNOON
NW WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
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
BECOMING W 10 TO 15 KT IN THE EVENING,
THEN BECOMING N AFTER MIDNIGHT. WAVES 2 TO 3 FT...SUBSIDING TO 1 FT
AFTER MIDNIGHT. SHOWERS WITH A CHANCE OF TSTMS, THEN SHOWERS LIKELY
AFTER MIDNIGHT.
THU...NE WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF SHOWERS IN THE MORNING.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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