519
FZUS51 KLWX 061501
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1101 AM EDT MON APR 6 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.
ANZ500-062000-
1101 AM EDT MON APR 6 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A REINFORCING COLD FRONT WILL MOVE ACROSS THE WATERS ON TUESDAY
BEFORE HIGH PRESSURE BUILDS OVERHEAD ON WEDNESDAY. SMALL CRAFT
ADVISORIES MAY BE NEEDED LATER THIS AFTERNOON, AND WILL LIKELY BE
NEEDED ON TUESDAY.
ANZ535-062000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1101 AM EDT MON APR 6 2026
REST OF TODAY
W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-062000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1101 AM EDT MON APR 6 2026
REST OF TODAY
W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SE WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-062000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1101 AM EDT MON APR 6 2026
REST OF TODAY...NW WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT.
TONIGHT...S WINDS 5 TO 10 KT
BECOMING NW IN THE LATE EVENING AND
OVERNIGHT. WAVES 1 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
N WINDS 10 TO 15 KT. WAVES 2 FT.
WED
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES
1 TO 2 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SE WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
ANZ530-062000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1101 AM EDT MON APR 6 2026
REST OF TODAY
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ531-062000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1101 AM EDT MON APR 6 2026
REST OF TODAY...W WINDS 10 KT
BECOMING SW LATE. GUSTS UP TO
20 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SE WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
ANZ538-062000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1101 AM EDT MON APR 6 2026
REST OF TODAY
W WINDS 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ539-062000-
CHESTER RIVER TO QUEENSTOWN MD-
1101 AM EDT MON APR 6 2026
REST OF TODAY...W WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT.
TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ532-062000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1101 AM EDT MON APR 6 2026
REST OF TODAY
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED...NE WINDS 10 TO 15 KT
BECOMING E 5 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
FRI...SE WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
ANZ540-062000-
EASTERN BAY-
1101 AM EDT MON APR 6 2026
REST OF TODAY...W WINDS 5 KT
BECOMING SW LATE. WAVES 1 FT.
TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
N WINDS 10 TO 15 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ533-062000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1101 AM EDT MON APR 6 2026
REST OF TODAY...W WINDS 10 KT
BECOMING SW LATE. WAVES 1 FT.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES
1 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
N WINDS 10 TO 15 KT. WAVES 2 FT.
WED...NE WINDS 10 TO 15 KT
BECOMING E 5 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
FRI...SE WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
ANZ541-062000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1101 AM EDT MON APR 6 2026
REST OF TODAY...W WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES
1 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED...NE WINDS 10 TO 15 KT
BECOMING E 5 KT IN THE AFTERNOON.
WAVES 1 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ542-062000-
PATUXENT RIVER TO BROOMES ISLAND MD-
1101 AM EDT MON APR 6 2026
REST OF TODAY...NW WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SE WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
ANZ534-062000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1101 AM EDT MON APR 6 2026
REST OF TODAY...NW WINDS 10 KT
BECOMING W EARLY THIS AFTERNOON,
THEN BECOMING S LATE. WAVES 1 TO 2 FT.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING SW LATE IN THE EVENING,
THEN BECOMING NW AFTER MIDNIGHT. WAVES 1 TO 2 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
TUE NIGHT
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
WED...NE WINDS 15 TO 20 KT
BECOMING E 5 TO 10 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
E WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
FRI
SE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ543-062000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1101 AM EDT MON APR 6 2026
REST OF TODAY...W WINDS 10 KT
BECOMING S LATE. WAVES 1 FT OR
LESS.
TONIGHT...S WINDS 5 TO 10 KT
BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
WED
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES
1 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SE WINDS 5 TO 10 KT. WAVES 1 FT.
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