912
FZUS51 KLWX 062059
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
459 PM 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.
ANZ500-070800-
459 PM 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.
ANZ535-070800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
459 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
REST OF THIS AFTERNOON
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. GUSTS UP TO 25 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 1 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
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 AROUND 5 KT. WAVES 1 FT.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-070800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
459 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
REST OF THIS AFTERNOON
SW 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 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. 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 AROUND 5 KT. WAVES 1 FT.
ANZ537-070800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
459 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES FLAT.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NW LATE. 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 2 FT.
WED
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING. 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 FT.
FRI...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
ANZ530-070800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
459 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
REST OF THIS AFTERNOON
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 2 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT. AREAS OF FROST.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES 1 FT.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ531-070800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
459 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 2 FT.
TUE NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 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 OR LESS.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ538-070800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
459 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
REST OF THIS AFTERNOON
W WINDS 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 KT. WAVES FLAT.
TUE
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 1 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ539-070800-
CHESTER RIVER TO QUEENSTOWN MD-
459 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
W 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 WITH GUSTS TO 20 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 OR LESS.
THU
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ532-070800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
459 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
W 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 WITH GUSTS TO 20 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
E 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.
ANZ540-070800-
EASTERN BAY-
459 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
W 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 WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI...SE WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
ANZ533-070800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
459 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NW LATE. 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 2 FT.
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING E 5 KT
IN THE AFTERNOON. WAVES 1 TO 2 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT OR LESS.
ANZ541-070800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
459 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NW LATE. 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...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING E 5 KT
IN THE AFTERNOON. WAVES 1 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SE WINDS AROUND 5 KT
BECOMING S. WAVES 1 FT OR LESS.
ANZ542-070800-
PATUXENT RIVER TO BROOMES ISLAND MD-
459 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SW 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
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
E WINDS AROUND 5 KT. WAVES 1 FT.
FRI
SE WINDS AROUND 5 KT. WAVES 1 FT.
ANZ534-070800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
459 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING NW LATE. WAVES 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 3 FT.
WED
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES
3 FT...SUBSIDING TO 1 FT IN THE AFTERNOON.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
ANZ543-070800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
459 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
REST OF THIS AFTERNOON
S WINDS 5 KT. WAVES FLAT.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING NW LATE. WAVES 1 FT.
TUE...NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO
25 KT IN THE AFTERNOON. WAVES 2 FT.
TUE NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. 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 FT.
FRI...SE WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS.
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