904
FZUS51 KLWX 071500
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1100 AM EDT TUE APR 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.
ANZ500-072000-
1100 AM EDT TUE APR 7 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A REINFORCING COLD FRONT WILL MOVE ACROSS THE WATERS TODAY. HIGH
PRESSURE WILL BUILD OVERHEAD ON WEDNESDAY, BEFORE PROGRESSING
OFFSHORE LATER THIS WEEK.
ANZ535-072000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1100 AM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF TODAY
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
TONIGHT...N WINDS 10 TO 15 KT
BECOMING NE 5 KT AFTER MIDNIGHT.
GUSTS UP TO 20 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 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.
ANZ536-072000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1100 AM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF TODAY
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...N WINDS 10 TO 15 KT
BECOMING NE AFTER MIDNIGHT. GUSTS
UP TO 20 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 AROUND 5 KT. WAVES 1 FT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-072000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1100 AM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TODAY
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TONIGHT...N WINDS 15 TO 20 KT
BECOMING NE AFTER MIDNIGHT. WAVES
2 FT.
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING E 5 TO
10 KT LATE. WAVES 1 TO 2 FT.
WED NIGHT...E WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER
MIDNIGHT. WAVES 1 TO 2 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 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
SAT...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT.
ANZ530-072000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1100 AM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF TODAY
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...N WINDS 15 TO 20 KT
BECOMING NE 5 TO 10 KT LATE. 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 FLAT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ531-072000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1100 AM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF TODAY
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TONIGHT...N WINDS 15 TO 20 KT
BECOMING NE 10 TO 15 KT LATE. WAVES
2 FT.
WED...NE WINDS 10 TO 15 KT
DIMINISHING TO AROUND 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 KT. WAVES LESS THAN 1 FT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT...N WINDS 5 TO 10 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
ANZ538-072000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1100 AM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF TODAY
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...N WINDS 10 TO 15 KT
BECOMING NE 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 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 AROUND 5 KT. WAVES 1 FT OR LESS.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI...LIGHT WINDS
BECOMING S 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ539-072000-
CHESTER RIVER TO QUEENSTOWN MD-
1100 AM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF TODAY
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TONIGHT...N WINDS 10 TO 15 KT
BECOMING NE AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 FT.
WED
NE WINDS 5 TO 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 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ532-072000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1100 AM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TODAY
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
TONIGHT...N WINDS 15 TO 20 KT
BECOMING NE LATE. WAVES 2 FT.
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
WED NIGHT
SE WINDS 10 TO 15 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
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT.
ANZ540-072000-
EASTERN BAY-
1100 AM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TODAY
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...N WINDS 10 TO 15 KT
BECOMING NE AFTER MIDNIGHT. GUSTS
UP TO 20 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 KT. WAVES FLAT.
THU NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT OR LESS.
ANZ533-072000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1100 AM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TODAY
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TONIGHT...N WINDS 15 TO 20 KT
BECOMING NE LATE. WAVES 3 FT.
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING N 5 KT
IN THE AFTERNOON. WAVES 1 TO 2 FT.
WED NIGHT
E WINDS 10 TO 15 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
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT.
ANZ541-072000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1100 AM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TODAY
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TONIGHT...N WINDS 15 TO 20 KT
BECOMING NE 10 TO 15 KT AFTER
MIDNIGHT. WAVES 2 FT.
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING E 5 TO
10 KT LATE. WAVES 1 TO 2 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
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT OR LESS.
ANZ542-072000-
PATUXENT RIVER TO BROOMES ISLAND MD-
1100 AM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TODAY
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
TONIGHT...N WINDS 10 TO 15 KT
BECOMING NE AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 FT.
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING E 5 KT
LATE. 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 AROUND 5 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ534-072000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1100 AM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TODAY
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TONIGHT...N WINDS 15 TO 20 KT
BECOMING NE LATE. GUSTS UP TO
25 KT. WAVES 3 FT.
WED...NE WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. WAVES 2 TO 3 FT.
WED NIGHT
E WINDS 10 TO 15 KT. WAVES 1 TO 2 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 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 TO
2 FT.
SAT...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT.
ANZ543-072000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1100 AM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TODAY
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...N WINDS 15 TO 20 KT
BECOMING NE LATE. GUSTS UP TO
25 KT. WAVES 2 FT.
WED...NE WINDS 15 TO 20 KT
BECOMING E 10 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
WED NIGHT
E WINDS 10 TO 15 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 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
SAT...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT.
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