761
FZUS51 KLWX 280627
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
226 AM EDT FRI AUG 28 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.
ANZ500-282000-
226 AM EDT FRI AUG 28 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT WILL APPROACH FROM THE NORTHWEST THIS AFTERNOON AND
EVENTUALLY PASS TO THE SOUTHEAST BY EARLY SATURDAY. HIGH PRESSURE
WILL BUILD NORTH OF THE AREA THIS WEEKEND. THERE IS THE POTENTIAL
FOR SOME GUSTY THUNDERSTORMS IN THE AFTERNOON AND EVENING TODAY,
WHICH MAY NECESSITATE SPECIAL MARINE WARNINGS.
ANZ535-282000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
226 AM EDT FRI AUG 28 2026
OVERNIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
WITH ISOLATED TSTMS.
FRI
N WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
FRI NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-282000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
226 AM EDT FRI AUG 28 2026
OVERNIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
WITH ISOLATED TSTMS.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS AROUND 5 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-282000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
226 AM EDT FRI AUG 28 2026
OVERNIGHT
W WINDS 10 KT. WAVES 1 FT. SCATTERED SHOWERS WITH
ISOLATED TSTMS.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON...W WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT OR LESS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-282000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
226 AM EDT FRI AUG 28 2026
OVERNIGHT
E WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS WITH
ISOLATED TSTMS.
FRI
N WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 KT. WAVES FLAT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS AROUND 5 KT. WAVES FLAT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-282000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
226 AM EDT FRI AUG 28 2026
OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
WITH ISOLATED TSTMS.
FRI
N WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
FRI NIGHT
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-282000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
226 AM EDT FRI AUG 28 2026
OVERNIGHT
W WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS WITH
ISOLATED TSTMS.
FRI
N WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS 5 KT. WAVES FLAT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
S WINDS AROUND 5 KT. WAVES FLAT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-282000-
CHESTER RIVER TO QUEENSTOWN MD-
226 AM EDT FRI AUG 28 2026
OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
WITH ISOLATED TSTMS.
FRI
N WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 KT. WAVES FLAT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-282000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
226 AM EDT FRI AUG 28 2026
OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
WITH ISOLATED TSTMS.
FRI
N WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
FRI NIGHT
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN...S WINDS 5 KT
INCREASING TO 10 TO 15 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
MON
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-282000-
EASTERN BAY-
226 AM EDT FRI AUG 28 2026
OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
WITH ISOLATED TSTMS.
FRI
N WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
FRI NIGHT
N WINDS 10 TO 15 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN...S WINDS 5 KT
INCREASING TO 10 TO 15 KT IN THE AFTERNOON.
WAVES 1 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
MON
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-282000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
226 AM EDT FRI AUG 28 2026
OVERNIGHT
NW WINDS 10 KT. WAVES 1 FT. SCATTERED SHOWERS WITH
ISOLATED TSTMS.
FRI
N WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
FRI NIGHT
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
MON
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-282000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
226 AM EDT FRI AUG 28 2026
OVERNIGHT
NW WINDS 10 KT. WAVES 1 FT. SCATTERED SHOWERS WITH
ISOLATED TSTMS.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
FRI NIGHT
N WINDS 10 TO 15 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 10 KT. WAVES 1 FT.
MON
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-282000-
PATUXENT RIVER TO BROOMES ISLAND MD-
226 AM EDT FRI AUG 28 2026
OVERNIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
WITH ISOLATED TSTMS.
FRI
N WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-282000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
226 AM EDT FRI AUG 28 2026
OVERNIGHT
W WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS AND TSTMS.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
FRI NIGHT
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. SCATTERED
SHOWERS.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES
1 TO 2 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
MON...SW WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-282000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
226 AM EDT FRI AUG 28 2026
OVERNIGHT
W WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS AND TSTMS.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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