801
FZUS51 KLWX 270627
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EDT SAT JUN 27 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.
ANZ500-272000-
227 AM EDT SAT JUN 27 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE ON AND OFF THROUGH THE
WEEKEND OVER THE WATERS. WINDS WILL GENERALLY BE LIGHT AND VARIABLE
OUTSIDE OF THUNDERSTORMS THROUGH EARLY NEXT WEEK, THEN SOUTHERLY
CHANNELING COULD PROMPT SMALL CRAFT ADVISORIES TUESDAY AFTERNOON
AND EVENING.
ANZ535-272000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
227 AM EDT SAT JUN 27 2026
OVERNIGHT
LIGHT WINDS. WAVES FLAT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SAT
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
MON
E WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-272000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
227 AM EDT SAT JUN 27 2026
OVERNIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
SAT
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
SUN
N WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON
E WINDS AROUND 5 KT. WAVES 1 FT. PATCHY FOG.
MON NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-272000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
227 AM EDT SAT JUN 27 2026
OVERNIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
SAT
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-272000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
227 AM EDT SAT JUN 27 2026
OVERNIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY.
SAT NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
MON
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-272000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
227 AM EDT SAT JUN 27 2026
OVERNIGHT
NW WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SAT
E WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
SAT NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
NE WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS
AND TSTMS.
MON
E WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...S WINDS 10 TO 15 KT. WAVES 1 FT OR LESS
BUILDING TO 2 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-272000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
227 AM EDT SAT JUN 27 2026
OVERNIGHT
NW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
SAT
E WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
SAT NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS
AND TSTMS.
MON
E WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-272000-
CHESTER RIVER TO QUEENSTOWN MD-
227 AM EDT SAT JUN 27 2026
OVERNIGHT
NW WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SAT
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
SAT NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS
AND TSTMS.
MON
E WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG.
MON NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-272000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
227 AM EDT SAT JUN 27 2026
OVERNIGHT
N WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SAT
E WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS
AND TSTMS.
MON
E WINDS 5 KT. WAVES FLAT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...S WINDS AROUND 5 KT...INCREASING TO 10 TO 15 KT. WAVES FLAT
BUILDING TO 2 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-272000-
EASTERN BAY-
227 AM EDT SAT JUN 27 2026
OVERNIGHT
N WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SAT
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
NE WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS
AND TSTMS.
MON
E WINDS 5 KT. WAVES FLAT. PATCHY FOG.
MON NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-272000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
227 AM EDT SAT JUN 27 2026
OVERNIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
SAT
E WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
SUN NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
MON
E WINDS 5 KT. WAVES LESS THAN 1 FT. PATCHY FOG.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...S WINDS AROUND 5 KT...INCREASING TO 10 TO 15 KT. WAVES FLAT
BUILDING TO 2 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-272000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
227 AM EDT SAT JUN 27 2026
OVERNIGHT
NE WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SAT
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS
AND TSTMS.
MON
E WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-272000-
PATUXENT RIVER TO BROOMES ISLAND MD-
227 AM EDT SAT JUN 27 2026
OVERNIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
SAT
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
SUN
E WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
MON
E WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-272000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
227 AM EDT SAT JUN 27 2026
OVERNIGHT...NW WINDS 10 KT
BECOMING SW LATE. WAVES 1 FT. A CHANCE
OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
SAT...SW WINDS 5 TO 10 KT
BECOMING E IN THE AFTERNOON. WAVES
1 FT. A CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...S WINDS 10 TO 15 KT. WAVES FLAT
BUILDING TO 2 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-272000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
227 AM EDT SAT JUN 27 2026
OVERNIGHT...W WINDS 10 KT
BECOMING S LATE. WAVES 1 FT. A CHANCE
OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SE WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.
SUN NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT. PATCHY FOG.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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