328
FZUS51 KLWX 102057
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
457 PM EDT THU SEP 10 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.
ANZ500-110800-
457 PM EDT THU SEP 10 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A SLOW MOVING COLD FRONT WILL CROSS THE WATERS LATE TONIGHT. THIS
WILL ALLOW FOR WINDS TO SHIFT TO A WEST AND SOUTHWEST DIRECTION TO
THE NORTHWEST. NORTH TO NORTHWESTERLY WINDS FRIDAY WILL SHIFT BACK
TO THE SOUTH AND SOUTHEAST SATURDAY AND WEST TO SOUTHWEST SUNDAY.
EXPECT SOME SMALL CRAFT ADVISORY LEVEL CHANNELING THIS UPCOMING
WEEKEND, MAINLY OVER THE OPEN WATERS.
ANZ535-110800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
457 PM EDT THU SEP 10 2026
REST OF THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
SE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-110800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
457 PM EDT THU SEP 10 2026
REST OF THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT. A
SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-110800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
457 PM EDT THU SEP 10 2026
REST OF THIS AFTERNOON
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A
SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
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
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY IN
THE MORNING, THEN A CHANCE OF SHOWERS THROUGH THE NIGHT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-110800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
457 PM EDT THU SEP 10 2026
REST OF THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
FRI
N WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS AROUND 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 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS, MAINLY IN
THE MORNING.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-110800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
457 PM EDT THU SEP 10 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-110800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
457 PM EDT THU SEP 10 2026
REST OF THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
FRI
NE WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
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 OR LESS. SHOWERS LIKELY IN
THE MORNING.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-110800-
CHESTER RIVER TO QUEENSTOWN MD-
457 PM EDT THU SEP 10 2026
REST OF THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS IN THE
MORNING.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-110800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
457 PM EDT THU SEP 10 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 2 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY IN THE
MORNING.
MON...N WINDS 10 TO 15 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 TO
2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-110800-
EASTERN BAY-
457 PM EDT THU SEP 10 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS IN THE
MORNING.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-110800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
457 PM EDT THU SEP 10 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT...SW WINDS 5 KT
BECOMING N LATE. WAVES 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 2 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY IN THE
MORNING, THEN A CHANCE OF SHOWERS THROUGH THE NIGHT.
MON...N WINDS 10 TO 15 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 TO
2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-110800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
457 PM EDT THU SEP 10 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT...W WINDS AROUND 5 KT
BECOMING N LATE. WAVES 1 FT OR
LESS. A CHANCE OF SHOWERS AND TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS IN THE
MORNING, THEN A CHANCE OF SHOWERS THROUGH THE NIGHT.
MON...N WINDS 10 TO 15 KT
BECOMING NE 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-110800-
PATUXENT RIVER TO BROOMES ISLAND MD-
457 PM EDT THU SEP 10 2026
REST OF THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT. A
SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
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. SHOWERS LIKELY IN THE
MORNING, THEN A CHANCE OF SHOWERS THROUGH THE NIGHT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-110800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
457 PM EDT THU SEP 10 2026
REST OF THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT. A
SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT...SW WINDS 5 KT
BECOMING NW LATE. WAVES 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
SAT NIGHT...SE WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT AFTER
MIDNIGHT. WAVES 2 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS IN THE MORNING, THEN
A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
MON...N WINDS 10 TO 15 KT
BECOMING NE. WAVES 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-110800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
457 PM EDT THU SEP 10 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A
SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT...SW WINDS 5 KT
BECOMING NW LATE. WAVES 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS IN THE
MORNING, THEN A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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