346
FZUS51 KLWX 111457
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1057 AM EDT SAT JUL 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-
1057 AM EDT SAT JUL 11 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT WILL PUSH SOUTH ACROSS THE WATERS THIS WEEKEND BEFORE
SETTLING SOUTH OVER THE CAROLINAS BY EARLY NEXT WEEK. SPECIAL MARINE
WARNINGS MAY BE NEEDED FOR STRONG TO SEVERE THUNDERSTORMS TODAY,
ESPECIALLY THIS AFTERNOON AND EVENING.
ANZ535-112000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1057 AM EDT SAT JUL 11 2026
REST OF TODAY
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
WED
W 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-
1057 AM EDT SAT JUL 11 2026
REST OF TODAY
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
W WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-112000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1057 AM EDT SAT JUL 11 2026
REST OF TODAY
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE
OF SHOWERS.
SUN NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...E WINDS AROUND 5 KT
BECOMING S. WAVES 1 FT OR LESS.
WED
W 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-
1057 AM EDT SAT JUL 11 2026
REST OF TODAY
N WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
W 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-
1057 AM EDT SAT JUL 11 2026
REST OF TODAY
N WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
E WINDS 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
W 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-
1057 AM EDT SAT JUL 11 2026
REST OF TODAY
N WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS THIS AFTERNOON.
TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-112000-
CHESTER RIVER TO QUEENSTOWN MD-
1057 AM EDT SAT JUL 11 2026
REST OF TODAY
N WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS AND
TSTMS LIKELY THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND TSTMS
LIKELY.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 KT. WAVES FLAT.
MON NIGHT
S WINDS 5 KT. WAVES FLAT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
W 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-
1057 AM EDT SAT JUL 11 2026
REST OF TODAY
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS
LIKELY WITH A CHANCE OF TSTMS THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
E WINDS 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-112000-
EASTERN BAY-
1057 AM EDT SAT JUL 11 2026
REST OF TODAY
N WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 KT. WAVES FLAT.
MON NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
W 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-
1057 AM EDT SAT JUL 11 2026
REST OF TODAY
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
E WINDS 10 TO 15 KT. WAVES 2 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...W WINDS AROUND 5 KT
BECOMING S. WAVES 1 FT OR LESS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-112000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1057 AM EDT SAT JUL 11 2026
REST OF TODAY
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
W 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-
1057 AM EDT SAT JUL 11 2026
REST OF TODAY
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-112000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1057 AM EDT SAT JUL 11 2026
REST OF TODAY
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SUN NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
E WINDS 10 KT. WAVES 2 FT.
MON NIGHT
E WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE...NE WINDS AROUND 5 KT...BECOMING S. WAVES 1 FT OR LESS
BUILDING TO 2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-112000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1057 AM EDT SAT JUL 11 2026
REST OF TODAY
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A SLIGHT
CHANCE OF SHOWERS AND TSTMS LATE THIS MORNING, THEN A CHANCE OF
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...NE WINDS AROUND 5 KT
BECOMING SW. WAVES 1 FT OR LESS.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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