563
FZUS51 KLWX 120257
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1057 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-
1057 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-
1057 PM EDT FRI SEP 11 2026
REST OF TONIGHT
LIGHT WINDS. WAVES 1 FT OR LESS.
SAT
E 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. PATCHY FOG. VSBY 1 NM OR LESS.
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 WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS AROUND 5 KT. WAVES 1 FT.
WED
S 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-
1057 PM EDT FRI SEP 11 2026
REST OF TONIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS. PATCHY
FOG.
SUN NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS AROUND 5 KT. WAVES 1 FT.
WED
S 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-
1057 PM EDT FRI SEP 11 2026
REST OF TONIGHT
E WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
SAT
SE WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT...SE WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT LATE.
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 WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 TO
2 FT.
WED
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-120800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1057 PM EDT FRI SEP 11 2026
REST OF TONIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
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. PATCHY FOG. VSBY 1 NM OR LESS.
SUN
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS. PATCHY FOG.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
WED
S WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-120800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1057 PM EDT FRI SEP 11 2026
REST OF TONIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
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. PATCHY FOG. VSBY 1 NM OR LESS.
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 WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-120800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1057 PM EDT FRI SEP 11 2026
REST OF TONIGHT
SE WINDS 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. PATCHY FOG. VSBY 1 NM OR LESS.
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.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WED
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-120800-
CHESTER RIVER TO QUEENSTOWN MD-
1057 PM EDT FRI SEP 11 2026
REST OF TONIGHT
SE 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. PATCHY FOG. VSBY 1 NM OR LESS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY. PATCHY FOG.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
N WINDS 10 TO 15 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE...SE WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
WED
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-120800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1057 PM EDT FRI SEP 11 2026
REST OF TONIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT. SHOWERS WITH A CHANCE
OF TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
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 WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-120800-
EASTERN BAY-
1057 PM EDT FRI SEP 11 2026
REST OF TONIGHT
SE 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. PATCHY FOG. VSBY 1 NM OR LESS.
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 WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
WED
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-120800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1057 PM EDT FRI SEP 11 2026
REST OF TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 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 LATE. WAVES 2 FT. SHOWERS WITH A CHANCE OF TSTMS. PATCHY
FOG. VSBY 1 NM OR LESS.
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 WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 TO
2 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-120800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1057 PM EDT FRI SEP 11 2026
REST OF TONIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
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. PATCHY FOG. VSBY 1 NM OR LESS.
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 WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-120800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1057 PM EDT FRI SEP 11 2026
REST OF TONIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
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 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 WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
WED
S WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-120800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1057 PM EDT FRI SEP 11 2026
REST OF TONIGHT
E WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
SAT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SAT NIGHT...SE WINDS 10 TO 15 KT
BECOMING S LATE. GUSTS UP 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 WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 FT.
TUE...NE WINDS 10 TO 15 KT
BECOMING SE 5 TO 10 KT. WAVES 1 TO
2 FT.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-120800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1057 PM EDT FRI SEP 11 2026
REST OF TONIGHT
E WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS.
SAT
SE WINDS 10 TO 15 KT. WAVES 1 FT.
SAT NIGHT...SE WINDS 10 TO 15 KT
BECOMING S AFTER MIDNIGHT. 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.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TUE...NE WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT. WAVES 1 FT.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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