039
FZUS51 KLWX 250627
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EDT MON MAY 25 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.
ANZ500-252000-
227 AM EDT MON MAY 25 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
THE STALLED BOUNDARY OVER THE REGION BRIEFLY PULLS NORTH OF THE
TODAY, THEN RETURNS AND STALLS NEARBY TONIGHT THROUGH WEDNESDAY.
EVENTUALLY THIS SYSTEM SURGES SOUTH BY THURSDAY. WINDS ARE FORECAST
TO REMAIN BELOW ADVISORY LEVELS DURING THE WEEK AHEAD. THUNDERSTORMS
ARE POSSIBLE OVER THE WATERS EACH DAY THROUGH AT LEAST WEDNESDAY.
ANZ535-252000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
227 AM EDT MON MAY 25 2026
OVERNIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
MON
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
MON NIGHT
LIGHT WINDS. WAVES FLAT. A CHANCE OF SHOWERS. PATCHY
FOG. VSBY 1 TO 3 NM.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS. PATCHY
FOG.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
WED
W WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
WED NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-252000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
227 AM EDT MON MAY 25 2026
OVERNIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT CHANCE OF
SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
MON
SW WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
MON NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
PATCHY FOG.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
WED
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-252000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
227 AM EDT MON MAY 25 2026
OVERNIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
MON
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
MON NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
TUE
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY. PATCHY FOG.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED
W WINDS AROUND 5 KT. WAVES FLAT. SHOWERS WITH A CHANCE OF
TSTMS.
WED NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...NE WINDS AROUND 5 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-252000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
227 AM EDT MON MAY 25 2026
OVERNIGHT
E WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS. PATCHY
FOG. VSBY 1 TO 3 NM.
MON
SW WINDS AROUND 5 KT. WAVES FLAT. SHOWERS. PATCHY FOG. VSBY
1 NM OR LESS.
MON NIGHT
LIGHT WINDS. WAVES FLAT. PATCHY FOG. VSBY 1 TO 3 NM.
TUE
SE WINDS AROUND 5 KT. WAVES FLAT.
TUE NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ531-252000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
227 AM EDT MON MAY 25 2026
OVERNIGHT
SE WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS. PATCHY
FOG. VSBY 1 TO 3 NM.
MON
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS. PATCHY FOG. VSBY
1 NM OR LESS.
MON NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
TUE
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
TUE NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ538-252000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
227 AM EDT MON MAY 25 2026
OVERNIGHT
E WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS. PATCHY
FOG. VSBY 1 TO 3 NM.
MON
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS. PATCHY FOG. VSBY
1 TO 3 NM.
MON NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
TUE
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
TUE NIGHT
LIGHT WINDS. WAVES FLAT.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED NIGHT
W WINDS 5 KT. WAVES FLAT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ539-252000-
CHESTER RIVER TO QUEENSTOWN MD-
227 AM EDT MON MAY 25 2026
OVERNIGHT
SE WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS. PATCHY
FOG. VSBY 1 TO 3 NM.
MON
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS. PATCHY FOG. VSBY
1 NM OR LESS.
MON NIGHT
LIGHT WINDS. WAVES FLAT. A CHANCE OF SHOWERS. PATCHY
FOG. VSBY 1 TO 3 NM.
TUE
NW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
TUE NIGHT
LIGHT WINDS. WAVES FLAT.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ532-252000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
227 AM EDT MON MAY 25 2026
OVERNIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT CHANCE OF
SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
MON
S WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS. PATCHY FOG. VSBY
1 NM OR LESS.
MON NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
TUE
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...NW WINDS 5 KT
BECOMING SW. WAVES 1 FT OR LESS.
ANZ540-252000-
EASTERN BAY-
227 AM EDT MON MAY 25 2026
OVERNIGHT
SE WINDS 5 KT. WAVES FLAT. A SLIGHT CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
MON
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS. PATCHY FOG. VSBY
1 NM OR LESS.
MON NIGHT
LIGHT WINDS. WAVES FLAT. A CHANCE OF SHOWERS. PATCHY
FOG. VSBY 1 TO 3 NM.
TUE
NW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
TUE NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ533-252000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
227 AM EDT MON MAY 25 2026
OVERNIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT CHANCE OF
SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
MON
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
MON NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 NM OR LESS.
TUE
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS. PATCHY
FOG.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
FRI...NW WINDS 5 KT
BECOMING S IN THE EVENING, THEN BECOMING W
AFTER MIDNIGHT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-252000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
227 AM EDT MON MAY 25 2026
OVERNIGHT
SE WINDS 5 KT. WAVES FLAT. A SLIGHT CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
MON
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS WITH A
CHANCE OF TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
MON NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
TUE
NW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS. PATCHY
FOG.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-252000-
PATUXENT RIVER TO BROOMES ISLAND MD-
227 AM EDT MON MAY 25 2026
OVERNIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
MON
S WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS WITH A CHANCE OF
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
MON NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS
LIKELY WITH A CHANCE OF TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
TUE
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS. PATCHY FOG.
TUE NIGHT
LIGHT WINDS. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
WED
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
WED NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...W WINDS AROUND 5 KT
INCREASING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-252000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
227 AM EDT MON MAY 25 2026
OVERNIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
MON NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
TUE
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY.
PATCHY FOG.
TUE NIGHT
S WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-252000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
227 AM EDT MON MAY 25 2026
OVERNIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS. PATCHY FOG. VSBY 1 NM OR LESS.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
MON NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS WITH
A CHANCE OF TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
TUE
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS. PATCHY
FOG.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED
SW WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A CHANCE OF
TSTMS.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page