591
FZUS51 KLWX 070856
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
456 AM EDT MON SEP 7 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.
ANZ500-072300-
456 AM EDT MON SEP 7 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
AS HIGH PRESSURE APPROACHES FROM THE GREAT LAKES, WINDS BECOME
NORTHEASTERLY ON MONDAY BEFORE BECOMING SOUTHERLY TUESDAY AS THIS
HIGH SLOWLY EXITS TO THE EAST. HOWEVER, WIND GUSTS REMAIN BELOW
SMALL CRAFT ADVISORY LEVELS. AHEAD OF A COLD FRONT, WINDS INCREASE
ON WEDNESDAY INTO THURSDAY WHICH MAY NECESSITATE SOME SMALL CRAFT
ADVISORIES.
ANZ535-072300-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
456 AM EDT MON SEP 7 2026
REST OF THE OVERNIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
NE WINDS AROUND 5 KT. WAVES 1 FT.
TONIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS.
FRI
N WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-072300-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
456 AM EDT MON SEP 7 2026
REST OF THE OVERNIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
NE WINDS AROUND 5 KT. WAVES 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
N WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-072300-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
456 AM EDT MON SEP 7 2026
REST OF THE OVERNIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
TUE
SW WINDS AROUND 5 KT. WAVES FLAT.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT.
WED NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
THU...SW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
FRI...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.
ANZ530-072300-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
456 AM EDT MON SEP 7 2026
REST OF THE OVERNIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
NE WINDS AROUND 5 KT. WAVES 1 FT.
TONIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
W WINDS AROUND 5 KT. WAVES 1 FT.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU...SW WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-072300-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
456 AM EDT MON SEP 7 2026
REST OF THE OVERNIGHT
NE WINDS 5 KT. WAVES FLAT.
TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
NE WINDS AROUND 5 KT. WAVES FLAT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
THU...SW WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ538-072300-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
456 AM EDT MON SEP 7 2026
REST OF THE OVERNIGHT
N WINDS 5 KT. WAVES FLAT.
TODAY
NE WINDS 5 KT. WAVES FLAT.
TONIGHT
NE WINDS AROUND 5 KT. WAVES FLAT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...N WINDS 5 TO 10 KT
BECOMING LIGHT. WAVES 1 FT OR LESS.
ANZ539-072300-
CHESTER RIVER TO QUEENSTOWN MD-
456 AM EDT MON SEP 7 2026
REST OF THE OVERNIGHT
NE WINDS 5 KT. WAVES FLAT.
TODAY
N WINDS AROUND 5 KT. WAVES 1 FT.
TONIGHT
LIGHT WINDS. WAVES FLAT.
TUE
W WINDS AROUND 5 KT. WAVES FLAT.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU...SW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ532-072300-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
456 AM EDT MON SEP 7 2026
REST OF THE OVERNIGHT
NE WINDS 5 KT. WAVES FLAT.
TODAY
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
TUE...W WINDS 5 KT
BECOMING S IN THE AFTERNOON. WAVES 1 FT OR
LESS.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT. WAVES 3 FT.
THU...SW WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ540-072300-
EASTERN BAY-
456 AM EDT MON SEP 7 2026
REST OF THE OVERNIGHT
E WINDS 5 KT. WAVES FLAT.
TODAY
N WINDS AROUND 5 KT. WAVES 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
TUE
W WINDS AROUND 5 KT. WAVES FLAT.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
THU...SW WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ533-072300-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
456 AM EDT MON SEP 7 2026
REST OF THE OVERNIGHT
E WINDS 5 KT. WAVES FLAT.
TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
THU...SW WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
FRI...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 TO
2 FT.
ANZ541-072300-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
456 AM EDT MON SEP 7 2026
REST OF THE OVERNIGHT
E WINDS 5 KT. WAVES FLAT.
TODAY
N WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
TUE
W WINDS AROUND 5 KT. WAVES FLAT.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
THU...SW WINDS 15 TO 20 KT
BECOMING W 5 TO 10 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ542-072300-
PATUXENT RIVER TO BROOMES ISLAND MD-
456 AM EDT MON SEP 7 2026
REST OF THE OVERNIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
NE WINDS AROUND 5 KT. WAVES 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-072300-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
456 AM EDT MON SEP 7 2026
REST OF THE OVERNIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES FLAT.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 FT...BUILDING TO 3 FT IN THE AFTERNOON.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
THU...SW WINDS 15 TO 20 KT
BECOMING W 5 TO 10 KT AFTER MIDNIGHT.
WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. A CHANCE OF
SHOWERS.
FRI...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 TO
2 FT.
ANZ543-072300-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
456 AM EDT MON SEP 7 2026
REST OF THE OVERNIGHT
NE WINDS 5 KT. WAVES FLAT.
TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
W WINDS AROUND 5 KT. WAVES FLAT.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
THU...SW WINDS 15 TO 20 KT
BECOMING W 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
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