391
FZUS51 KLWX 071729
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 PM 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.
ANZ500-080800-
129 PM EDT MON SEP 7 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
WINDS WILL BECOME SOUTHERLY BY TUESDAY AS HIGH PRESSURE SLOWLY EXITS
TO THE EAST. HOWEVER, WIND GUSTS WILL REMAIN BELOW SMALL CRAFT
ADVISORY LEVELS. AHEAD OF A COLD FRONT, WINDS INCREASE ON WEDNESDAY
INTO THURSDAY WHICH MAY NECESSITATE SOME SMALL CRAFT ADVISORIES.
ANZ535-080800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
129 PM EDT MON SEP 7 2026
THIS AFTERNOON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E 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
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.
ANZ536-080800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
129 PM EDT MON SEP 7 2026
THIS AFTERNOON
E WINDS 5 KT. WAVES LESS THAN 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...SW WINDS 10 TO 15 KT
BECOMING W AROUND 5 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
FRI
N WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-080800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
129 PM EDT MON SEP 7 2026
THIS AFTERNOON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS 5 KT. WAVES FLAT.
TUE
W WINDS 5 KT. WAVES FLAT.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 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 W 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS THROUGH THE NIGHT.
FRI...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.
ANZ530-080800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
129 PM EDT MON SEP 7 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES FLAT.
TONIGHT
NE WINDS AROUND 5 KT. WAVES FLAT.
TUE
W WINDS AROUND 5 KT. WAVES FLAT.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU...W 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.
ANZ531-080800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
129 PM EDT MON SEP 7 2026
THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS 5 KT. WAVES FLAT.
TUE...W WINDS 5 KT
BECOMING S LATE. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
THU...W 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.
ANZ538-080800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
129 PM EDT MON SEP 7 2026
THIS AFTERNOON
SE WINDS 5 KT. WAVES FLAT.
TONIGHT
NE WINDS AROUND 5 KT. WAVES FLAT.
TUE...W WINDS 5 KT
BECOMING SE LATE. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
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.
ANZ539-080800-
CHESTER RIVER TO QUEENSTOWN MD-
129 PM EDT MON SEP 7 2026
THIS AFTERNOON
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
TUE
W WINDS 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.
ANZ532-080800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
129 PM EDT MON SEP 7 2026
THIS AFTERNOON
N WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS 5 KT. WAVES FLAT.
TUE...SW WINDS 5 KT
BECOMING S LATE. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 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 2 TO 3 FT...SUBSIDING TO 1 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ540-080800-
EASTERN BAY-
129 PM EDT MON SEP 7 2026
THIS AFTERNOON
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
TUE
SW WINDS 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 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.
ANZ533-080800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
129 PM EDT MON SEP 7 2026
THIS AFTERNOON
N WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS 5 KT. WAVES FLAT.
TUE...SW WINDS 5 KT
BECOMING SE LATE. WAVES 1 FT.
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 3 FT.
THU...SW WINDS 15 TO 20 KT
BECOMING W 5 TO 10 KT. 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.
ANZ541-080800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
129 PM EDT MON SEP 7 2026
THIS AFTERNOON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS 5 KT. WAVES FLAT.
TUE
W WINDS 5 KT. WAVES LESS THAN 1 FT.
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 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.
ANZ542-080800-
PATUXENT RIVER TO BROOMES ISLAND MD-
129 PM EDT MON SEP 7 2026
THIS AFTERNOON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
SW WINDS 5 KT. WAVES LESS THAN 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.
ANZ534-080800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
129 PM EDT MON SEP 7 2026
THIS AFTERNOON
N WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT...N WINDS 5 KT
BECOMING SE IN THE LATE EVENING AND
OVERNIGHT. WAVES 1 FT.
TUE...W WINDS 5 KT
BECOMING SE LATE. WAVES 1 FT.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. 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 THROUGH THE NIGHT.
FRI...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 TO
2 FT.
ANZ543-080800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
129 PM EDT MON SEP 7 2026
THIS AFTERNOON
N WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SE WINDS 5 TO 10 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 THROUGH THE NIGHT.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
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