919
FZUS51 KLWX 111458
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1058 AM EDT FRI SEP 11 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.
ANZ500-112000-
1058 AM EDT FRI SEP 11 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A SLOW MOVING COLD FRONT WILL CROSS THE WATERS THIS MORNING BEFORE
THE BOUNDARY SETTLES OVER THE CAROLINAS ON SATURDAY. THE FRONT
RETURNS NORTHWARD AS A WARM FRONT LATE IN THE WEEKEND BEFORE ANOTHER
COLD FRONT CROSSES THE REGION BY MONDAY. HIGH PRESSURE RETURNS FOR
EARLY NEXT WEEK. EXPECT SOME SMALL CRAFT ADVISORY LEVEL CHANNELING
THIS UPCOMING WEEKEND, MAINLY OVER THE OPEN WATERS.
ANZ535-112000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1058 AM EDT FRI SEP 11 2026
REST OF TODAY
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT
CHANCE OF SHOWERS.
TONIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-112000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1058 AM EDT FRI SEP 11 2026
REST OF TODAY
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT
CHANCE OF SHOWERS.
TONIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-112000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1058 AM EDT FRI SEP 11 2026
REST OF TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS THIS AFTERNOON.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SHOWERS WITH A
CHANCE OF TSTMS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-112000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1058 AM EDT FRI SEP 11 2026
REST OF TODAY
NE WINDS 5 TO 10 KT LATE THIS MORNING AND EARLY
AFTERNOON...BECOMING LIGHT. WAVES 1 FT OR LESS.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS WITH A
CHANCE OF TSTMS.
SUN
W WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-112000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1058 AM EDT FRI SEP 11 2026
REST OF TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON...N WINDS 10 TO 15 KT
BECOMING NE 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-112000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1058 AM EDT FRI SEP 11 2026
REST OF TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS 5 KT. WAVES FLAT.
SUN NIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...SE WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-112000-
CHESTER RIVER TO QUEENSTOWN MD-
1058 AM EDT FRI SEP 11 2026
REST OF TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-112000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1058 AM EDT FRI SEP 11 2026
REST OF TODAY
NE WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS.
TONIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
SE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING S
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SUN
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON...N WINDS 10 TO 15 KT
BECOMING NE 5 TO 10 KT. WAVES 1 TO
2 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-112000-
EASTERN BAY-
1058 AM EDT FRI SEP 11 2026
REST OF TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS THIS AFTERNOON.
TONIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-112000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1058 AM EDT FRI SEP 11 2026
REST OF TODAY
NE WINDS 10 KT. WAVES 1 TO 2 FT. A SLIGHT CHANCE OF
SHOWERS LATE THIS MORNING, THEN A CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING S
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON...N WINDS 10 TO 15 KT
BECOMING NE. WAVES 2 FT.
TUE...SE WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-112000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1058 AM EDT FRI SEP 11 2026
REST OF TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS LATE THIS MORNING, THEN A CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON...N WINDS 10 TO 15 KT
BECOMING NE 5 TO 10 KT. WAVES 1 TO
2 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-112000-
PATUXENT RIVER TO BROOMES ISLAND MD-
1058 AM EDT FRI SEP 11 2026
REST OF TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS LATE THIS MORNING, THEN A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF TSTMS THIS AFTERNOON.
TONIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-112000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1058 AM EDT FRI SEP 11 2026
REST OF TODAY
NE WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS LATE THIS MORNING, THEN A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF TSTMS THIS AFTERNOON.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT...SE WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 2 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON...N WINDS 10 TO 15 KT
BECOMING NE. WAVES 2 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-112000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1058 AM EDT FRI SEP 11 2026
REST OF TODAY
NE WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
TSTMS. A SLIGHT CHANCE OF SHOWERS LATE THIS MORNING, THEN A CHANCE
OF SHOWERS THIS AFTERNOON.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT...SE WINDS 10 TO 15 KT
BECOMING S AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON...N WINDS 10 TO 15 KT
BECOMING NE 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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