645
FZUS51 KLWX 241827
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 PM EDT SUN MAY 24 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.
ANZ500-250800-
227 PM EDT SUN MAY 24 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A STALLED FRONT WILL LIFT NORTH TOWARD THE AREA TONIGHT BEFORE
CROSSING THE WATERS LATE TONIGHT. THIS BOUNDARY BRIEFLY PULLS NORTH
OF THE REGION ON MEMORIAL DAY BEFORE RETURNING NEARBY THROUGH THE
MIDDLE OF THE WEEK. EVENTUALLY THIS SYSTEM SURGES TOWARD THE 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.
ANZ535-250800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
227 PM EDT SUN MAY 24 2026
THIS AFTERNOON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT. A 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 TO 3 NM.
MON NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
IN THE MORNING, THEN SHOWERS LIKELY WITH A CHANCE OF 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.
ANZ536-250800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
227 PM EDT SUN MAY 24 2026
THIS AFTERNOON
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TONIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A 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
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS WITH
A CHANCE OF TSTMS.
TUE
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS.
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
IN THE MORNING, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS THROUGH
THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
N WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-250800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
227 PM EDT SUN MAY 24 2026
THIS AFTERNOON
E WINDS 5 KT. WAVES FLAT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
MON NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS WITH A CHANCE
OF TSTMS.
TUE
SE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS.
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.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-250800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
227 PM EDT SUN MAY 24 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY. PATCHY
FOG. VSBY 1 TO 3 NM.
MON
SW WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS. PATCHY FOG. VSBY
1 NM OR LESS.
MON NIGHT
LIGHT WINDS. WAVES FLAT. A CHANCE OF SHOWERS.
TUE
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
TUE NIGHT
LIGHT WINDS. WAVES FLAT.
WED
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-250800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
227 PM EDT SUN MAY 24 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY. PATCHY
FOG. VSBY 1 TO 3 NM.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS. PATCHY FOG. VSBY
1 NM OR LESS.
MON NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
TUE
E 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
THROUGH THE DAY.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ538-250800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
227 PM EDT SUN MAY 24 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES FLAT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY. PATCHY
FOG. VSBY 1 TO 3 NM.
MON
SW WINDS 5 KT. WAVES FLAT. SHOWERS. PATCHY FOG. VSBY 1 TO
3 NM.
MON NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
TUE
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
WED
W WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS THROUGH
THE DAY.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ539-250800-
CHESTER RIVER TO QUEENSTOWN MD-
227 PM EDT SUN MAY 24 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES FLAT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS. PATCHY FOG. VSBY
1 TO 3 NM.
MON NIGHT
LIGHT WINDS. WAVES FLAT. SHOWERS LIKELY.
TUE
LIGHT WINDS. WAVES FLAT. A CHANCE OF SHOWERS.
TUE NIGHT
LIGHT WINDS. WAVES FLAT.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE DAY.
THU
N WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ532-250800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
227 PM EDT SUN MAY 24 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES FLAT.
TONIGHT...E WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT. A
CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
MON NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-250800-
EASTERN BAY-
227 PM EDT SUN MAY 24 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES FLAT.
TONIGHT...E WINDS 5 TO 10 KT
BECOMING SE LATE. WAVES 1 FT. A
CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
MON NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT. SHOWERS WITH A CHANCE
OF TSTMS.
TUE
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
THU
N WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-250800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
227 PM EDT SUN MAY 24 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES FLAT.
TONIGHT
SE WINDS 5 KT. WAVES LESS THAN 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
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS WITH A
CHANCE OF TSTMS.
TUE
E WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-250800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
227 PM EDT SUN MAY 24 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES FLAT.
TONIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
MON NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS WITH A CHANCE
OF TSTMS.
TUE
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
TUE NIGHT
LIGHT WINDS. WAVES FLAT.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-250800-
PATUXENT RIVER TO BROOMES ISLAND MD-
227 PM EDT SUN MAY 24 2026
THIS AFTERNOON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
MON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS WITH A CHANCE OF
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS WITH A
CHANCE OF TSTMS.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS.
TUE NIGHT
LIGHT WINDS. WAVES FLAT. A CHANCE OF SHOWERS.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
IN THE MORNING, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS THROUGH
THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-250800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
227 PM EDT SUN MAY 24 2026
THIS AFTERNOON
E WINDS 5 KT. WAVES FLAT.
TONIGHT
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
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
TUE
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-250800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
227 PM EDT SUN MAY 24 2026
THIS AFTERNOON
SE WINDS 5 KT. WAVES FLAT.
TONIGHT
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 5 KT. WAVES LESS THAN 1 FT. SHOWERS WITH A
CHANCE OF TSTMS.
TUE
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
A CHANCE OF TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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