001
FZUS51 KLWX 070300
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1100 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-
1100 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-
1100 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT TUESDAY THROUGH
TUESDAY EVENING...
REST OF TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE...NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
INCREASING TO
15 TO 20 KT WITH GUSTS TO 30 KT IN THE LATE MORNING AND AFTERNOON.
WAVES 2 FT.
TUE NIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 30 KT
DIMINISHING
TO 5 KT AFTER MIDNIGHT. WAVES 1 FT.
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.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-070800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1100 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT TUESDAY THROUGH
TUESDAY EVENING...
REST OF TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE...NW WINDS 5 TO 10 KT
INCREASING TO 15 TO 20 KT WITH GUSTS TO
30 KT IN THE LATE MORNING AND AFTERNOON. WAVES 3 FT.
TUE NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 25 KT EARLY IN THE
EVENING. WAVES 1 TO 2 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.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SE WINDS AROUND 5 KT. WAVES 1 FT.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-070800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1100 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT TUESDAY THROUGH
TUESDAY EVENING...
REST OF TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE...NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
INCREASING TO
15 KT WITH GUSTS TO 30 KT IN THE LATE MORNING AND AFTERNOON. WAVES
3 FT.
TUE NIGHT...N WINDS 10 TO 15 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT IN THE LATE EVENING AND OVERNIGHT. WAVES 2 TO 3 FT.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
SAT...W WINDS 5 KT
BECOMING NE. WAVES 1 FT.
ANZ530-070800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1100 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT TUESDAY THROUGH
TUESDAY EVENING...
REST OF TONIGHT
SW WINDS 5 KT. WAVES FLAT.
TUE...W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
BECOMING NW 15 TO
20 KT WITH GUSTS TO 30 KT IN THE LATE MORNING AND AFTERNOON. WAVES
2 FT.
TUE NIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 30 KT
DIMINISHING
TO 5 KT LATE. WAVES 1 TO 2 FT. AREAS OF FROST.
WED
E WINDS 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 FLAT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
FRI
S WINDS AROUND 5 KT. WAVES FLAT.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ531-070800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1100 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT TUESDAY THROUGH
TUESDAY EVENING...
REST OF TONIGHT
SW WINDS 5 KT. WAVES FLAT.
TUE...NW WINDS 10 KT WITH GUSTS TO 20 KT
INCREASING TO 15 TO
20 KT WITH GUSTS TO 30 KT IN THE LATE MORNING AND AFTERNOON. WAVES
3 FT.
TUE NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 30 KT EARLY IN THE
EVENING. WAVES 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
WED
E WINDS 10 KT. WAVES 1 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT.
ANZ538-070800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1100 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT TUESDAY THROUGH
TUESDAY EVENING...
REST OF TONIGHT
SW WINDS 5 KT. WAVES FLAT.
TUE...W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
BECOMING NW 15 TO
20 KT WITH GUSTS TO 30 KT IN THE LATE MORNING AND AFTERNOON. WAVES
2 FT.
TUE NIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 30 KT
DIMINISHING
TO 5 TO 10 KT LATE. WAVES 1 TO 2 FT.
WED
E WINDS 10 KT. WAVES 1 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ539-070800-
CHESTER RIVER TO QUEENSTOWN MD-
1100 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT TUESDAY THROUGH
TUESDAY EVENING...
REST OF TONIGHT
SW WINDS 5 KT. WAVES FLAT.
TUE...NW WINDS 10 KT WITH GUSTS TO 20 KT
INCREASING TO 15 TO
20 KT WITH GUSTS TO 30 KT IN THE LATE MORNING AND AFTERNOON. WAVES
3 FT.
TUE NIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 30 KT
BECOMING
10 KT LATE. WAVES 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
WED
E WINDS 10 KT. WAVES 1 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ532-070800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1100 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT TUESDAY THROUGH
TUESDAY EVENING...
REST OF TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE...NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
INCREASING TO
15 TO 20 KT WITH GUSTS TO 30 KT IN THE LATE MORNING AND AFTERNOON.
WAVES 3 FT.
TUE NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 30 KT EARLY IN THE
EVENING. WAVES 2 TO 3 FT.
WED...NE WINDS 10 TO 15 KT
BECOMING E 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 FT.
THU NIGHT
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.
SAT...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT.
ANZ540-070800-
EASTERN BAY-
1100 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT TUESDAY THROUGH
TUESDAY EVENING...
REST OF TONIGHT
SW WINDS 5 KT. WAVES FLAT.
TUE...NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
INCREASING TO
15 TO 20 KT WITH GUSTS TO 30 KT IN THE LATE MORNING AND AFTERNOON.
WAVES 2 TO 3 FT.
TUE NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 30 KT EARLY IN THE
EVENING. WAVES 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
WED...NE WINDS 10 TO 15 KT
BECOMING E IN THE AFTERNOON. WAVES
1 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
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.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ533-070800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1100 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT TUESDAY THROUGH
TUESDAY EVENING...
REST OF TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE...NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
INCREASING TO
15 TO 20 KT WITH GUSTS TO 30 KT IN THE LATE MORNING AND AFTERNOON.
WAVES 3 FT.
TUE NIGHT...N WINDS 10 TO 15 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT IN THE LATE EVENING AND OVERNIGHT. WAVES 4 FT...SUBSIDING
TO 2 FT AFTER MIDNIGHT.
WED...NE WINDS 10 TO 15 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
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT OR LESS.
SAT...W WINDS 5 TO 10 KT
BECOMING N. WAVES 1 FT.
ANZ541-070800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1100 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT TUESDAY THROUGH
TUESDAY EVENING...
REST OF TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE...NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
INCREASING TO
15 TO 20 KT WITH GUSTS TO 30 KT IN THE LATE MORNING AND AFTERNOON.
WAVES 3 FT.
TUE NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 30 KT EARLY IN THE
EVENING. WAVES 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
WED...NE WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT IN THE
AFTERNOON. WAVES 1 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SE WINDS AROUND 5 KT
BECOMING S. WAVES 1 FT OR LESS.
SAT...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT.
ANZ542-070800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1100 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT TUESDAY THROUGH
TUESDAY EVENING...
REST OF TONIGHT...S WINDS 5 KT
BECOMING W LATE. WAVES 1 FT.
TUE...NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
INCREASING TO
15 TO 20 KT WITH GUSTS TO 30 KT IN THE LATE MORNING AND AFTERNOON.
WAVES 2 FT.
TUE NIGHT...N WINDS 10 TO 15 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 2 FT.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
E WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
FRI
SE WINDS AROUND 5 KT. WAVES 1 FT.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ534-070800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1100 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT TUESDAY THROUGH LATE
TUESDAY NIGHT...
REST OF TONIGHT...S WINDS 10 KT
BECOMING W LATE. WAVES 1 FT.
TUE
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TUE NIGHT...N WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. WAVES 3 FT.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
SAT...SW WINDS 5 TO 10 KT
BECOMING N. WAVES 1 FT.
ANZ543-070800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1100 PM EDT MON APR 6 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT TUESDAY THROUGH LATE
TUESDAY NIGHT...
REST OF TONIGHT...S WINDS 10 KT
BECOMING SW LATE. WAVES 1 FT.
TUE
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
TUE NIGHT...N WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. WAVES 2 TO 3 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.
THU NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SE WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS.
SAT...W WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT.
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