440
FZUS51 KLWX 090258
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1057 PM EDT THU OCT 8 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.
ANZ500-090800-
1057 PM EDT THU OCT 8 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD OVERHEAD FRIDAY AND SATURDAY. THE REMNANTS
OF ISAIAS WILL APPROACH BY SUNDAY, WITH SMALL CRAFT ADVISORIES
LIKELY SATURDAY NIGHT THROUGH SUNDAY. GALE-FORCE WINDS CANNOT BE
RULED OUT DURING THIS TIME, EITHER.
ANZ535-090800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1057 PM EDT THU OCT 8 2026
REST OF TONIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
SUN...E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT
INCREASING TO 30 KT
IN THE AFTERNOON. WAVES 1 FT. SHOWERS.
SUN NIGHT...E WINDS 10 TO 15 KT WITH GUSTS TO 30 KT
BECOMING N
5 KT AFTER MIDNIGHT. WAVES 1 FT. SHOWERS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY IN THE
MORNING.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-090800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1057 PM EDT THU OCT 8 2026
REST OF TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN
E WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT. SHOWERS.
SUN NIGHT...SE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING W
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY IN THE
MORNING.
TUE
W WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ537-090800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1057 PM EDT THU OCT 8 2026
REST OF TONIGHT
N WINDS 5 KT. WAVES FLAT.
FRI
NW WINDS AROUND 5 KT. WAVES FLAT.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SUN
E WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. SHOWERS.
SUN NIGHT...SE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING S
10 TO 15 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT. SHOWERS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
TUE
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ530-090800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1057 PM EDT THU OCT 8 2026
REST OF TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS.
SUN NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY IN THE
MORNING.
TUE...W WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
ANZ531-090800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1057 PM EDT THU OCT 8 2026
REST OF TONIGHT
NW WINDS 5 KT. WAVES FLAT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS.
SUN NIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 1 TO 2 FT. SHOWERS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY IN THE
MORNING.
TUE...W WINDS 10 TO 15 KT
BECOMING NW 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
ANZ538-090800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1057 PM EDT THU OCT 8 2026
REST OF TONIGHT
NW WINDS 5 KT. WAVES FLAT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
SAT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS.
SUN NIGHT...E WINDS 10 TO 15 KT
BECOMING NE 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY IN
THE MORNING.
TUE
W WINDS 10 TO 15 KT. WAVES 1 FT OR LESS.
ANZ539-090800-
CHESTER RIVER TO QUEENSTOWN MD-
1057 PM EDT THU OCT 8 2026
REST OF TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
E WINDS 5 KT. WAVES FLAT.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS.
SUN NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY IN THE
MORNING.
TUE...W WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 TO
2 FT.
ANZ532-090800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1057 PM EDT THU OCT 8 2026
REST OF TONIGHT
NW WINDS 5 KT. WAVES FLAT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
SE WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SHOWERS.
SUN NIGHT...SE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING S
10 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT. SHOWERS.
MON
NW WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS LIKELY IN THE
MORNING.
TUE
W WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
ANZ540-090800-
EASTERN BAY-
1057 PM EDT THU OCT 8 2026
REST OF TONIGHT
N WINDS 5 KT. WAVES FLAT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT.
SAT
E WINDS 5 KT. WAVES FLAT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT. SHOWERS.
SUN NIGHT...SE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING S
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
TUE...W WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 TO
2 FT.
ANZ533-090800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1057 PM EDT THU OCT 8 2026
REST OF TONIGHT
N WINDS 5 KT. WAVES FLAT.
FRI
NW WINDS AROUND 5 KT. WAVES FLAT.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS.
SUN...E WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
INCREASING TO 30 KT
IN THE AFTERNOON. WAVES 2 TO 3 FT. SHOWERS.
SUN NIGHT...SE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT
BECOMING S
10 TO 15 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT. SHOWERS.
MON
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY, MAINLY
IN THE MORNING.
TUE...W WINDS 15 TO 20 KT. WAVES 1 TO 2 FT
BUILDING TO 3 FT AFTER
MIDNIGHT.
ANZ541-090800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1057 PM EDT THU OCT 8 2026
REST OF TONIGHT
N WINDS 5 KT. WAVES FLAT.
FRI
NW WINDS AROUND 5 KT. WAVES FLAT.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SAT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
E WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SHOWERS.
SUN NIGHT...SE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING S
10 TO 15 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
TUE
W WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
ANZ542-090800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1057 PM EDT THU OCT 8 2026
REST OF TONIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
E WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. SHOWERS.
SUN NIGHT...SE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING S
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 FT. SHOWERS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-090800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1057 PM EDT THU OCT 8 2026
REST OF TONIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SUN...E WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT
BUILDING TO 5 FT IN THE AFTERNOON. SHOWERS.
SUN NIGHT...SE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT
BECOMING S
10 TO 15 KT WITH GUSTS TO 20 KT AFTER MIDNIGHT. WAVES 3 FT. SHOWERS.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO
2 FT. SHOWERS LIKELY, MAINLY IN THE MORNING.
TUE...W WINDS 15 TO 20 KT. WAVES 1 TO 2 FT
BUILDING TO 3 FT AFTER
MIDNIGHT.
ANZ543-090800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1057 PM EDT THU OCT 8 2026
REST OF TONIGHT
N WINDS 5 KT. WAVES FLAT.
FRI
NW WINDS AROUND 5 KT. WAVES FLAT.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
E WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
SHOWERS.
SUN NIGHT...SE WINDS 15 TO 20 KT
BECOMING S 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. SHOWERS.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO
2 FT. SHOWERS LIKELY, MAINLY IN THE MORNING.
TUE
W WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
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