653
FZUS51 KLWX 112058
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
457 PM 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.
ANZ500-120800-
457 PM EDT FRI SEP 11 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A SLOW MOVING COLD FRONT OVER THE AREA TODAY WILL STALL 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.
ANZ535-120800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
457 PM EDT FRI SEP 11 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SE WINDS AROUND 5 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.
ANZ536-120800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
457 PM EDT FRI SEP 11 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY
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.
ANZ537-120800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
457 PM EDT FRI SEP 11 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 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 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON...N WINDS 10 TO 15 KT
BECOMING NE. WAVES 2 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 TO
2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-120800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
457 PM EDT FRI SEP 11 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES FLAT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS 5 KT. WAVES FLAT. SHOWERS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
N WINDS 10 TO 15 KT. WAVES 1 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-120800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
457 PM EDT FRI SEP 11 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
SE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
SE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
MON...N WINDS 10 TO 15 KT
BECOMING NE AFTER MIDNIGHT. WAVES 2 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-120800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
457 PM EDT FRI SEP 11 2026
REST OF THIS AFTERNOON
E WINDS 5 KT. WAVES FLAT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
SUN NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-120800-
CHESTER RIVER TO QUEENSTOWN MD-
457 PM EDT FRI SEP 11 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES FLAT.
TONIGHT
E WINDS 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY.
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
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-120800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
457 PM EDT FRI SEP 11 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
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
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON...N WINDS 10 TO 15 KT
BECOMING NE AFTER MIDNIGHT. WAVES 2 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-120800-
EASTERN BAY-
457 PM EDT FRI SEP 11 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES FLAT.
TONIGHT
E WINDS 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON...N WINDS 10 TO 15 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-120800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
457 PM EDT FRI SEP 11 2026
REST OF THIS AFTERNOON
N WINDS 10 KT. WAVES 1 FT.
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
S WINDS 10 TO 15 KT WITH GUSTS 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 AND
TSTMS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON...N WINDS 10 TO 15 KT
BECOMING NE AFTER MIDNIGHT. WAVES 2 TO
3 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 TO
2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-120800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
457 PM EDT FRI SEP 11 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
SE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
SE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON...N WINDS 10 TO 15 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 TO
2 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-120800-
PATUXENT RIVER TO BROOMES ISLAND MD-
457 PM EDT FRI SEP 11 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF SHOWERS AND TSTMS.
SAT NIGHT
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
MON...N WINDS 10 TO 15 KT
BECOMING NE 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-120800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
457 PM EDT FRI SEP 11 2026
REST OF THIS AFTERNOON
N WINDS 5 KT. WAVES LESS THAN 1 FT.
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.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
MON...N WINDS 10 TO 15 KT
BECOMING NE. WAVES 2 TO 3 FT.
TUE...NE WINDS 10 TO 15 KT
BECOMING SE 5 TO 10 KT. WAVES 1 TO
2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-120800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
457 PM EDT FRI SEP 11 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
MON...N WINDS 10 TO 15 KT
BECOMING NE. WAVES 1 TO 2 FT.
TUE...NE WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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