571
FZUS51 KLWX 071855
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
255 PM 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.
ANZ500-080800-
255 PM EDT TUE APR 7 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD TOWARD THE AREA THROUGH WEDNESDAY, BEFORE
PROGRESSING OFFSHORE LATER THIS WEEK. THE NEXT COLD FRONT MAY
APPROACH ON SATURDAY.
ANZ535-080800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
255 PM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
THIS AFTERNOON
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
TONIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT IN THE LATE EVENING AND OVERNIGHT. WAVES 1 FT.
WED
NE 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.
ANZ536-080800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
255 PM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
THIS AFTERNOON
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
NE 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 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-080800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
255 PM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
THIS AFTERNOON
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 AFTER
MIDNIGHT. 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.
THU NIGHT
SE WINDS 5 TO 10 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. WAVES 1 FT.
ANZ530-080800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
255 PM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...N WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT IN THE
LATE EVENING AND OVERNIGHT. WAVES 1 TO 2 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED NIGHT
SE WINDS AROUND 5 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 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ531-080800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
255 PM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TONIGHT...N WINDS 15 TO 20 KT
DIMINISHING TO 10 TO 15 KT IN THE
LATE EVENING AND OVERNIGHT. WAVES 1 TO 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.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ538-080800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
255 PM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
THIS AFTERNOON
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 OR LESS.
WED NIGHT
SE WINDS AROUND 5 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 AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ539-080800-
CHESTER RIVER TO QUEENSTOWN MD-
255 PM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
THIS AFTERNOON
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 1 TO 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 FLAT.
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 TO 10 KT. WAVES 1 FT OR LESS.
ANZ532-080800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
255 PM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
THIS AFTERNOON
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 AFTER
MIDNIGHT. 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 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 FT OR LESS...BUILDING TO 1 TO 2 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ540-080800-
EASTERN BAY-
255 PM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...N WINDS 10 TO 15 KT
BECOMING NE LATE. GUSTS UP TO
20 KT. WAVES 1 TO 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 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...N WINDS 5 TO 10 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
ANZ533-080800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
255 PM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TONIGHT...N WINDS 15 TO 20 KT
BECOMING NE LATE. WAVES 2 TO 3 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
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...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 FT OR LESS...BUILDING TO 1 TO 2 FT.
SAT...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.
ANZ541-080800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
255 PM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
THIS AFTERNOON
NW WINDS 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 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 KT. WAVES LESS THAN 1 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 FT OR LESS.
SAT...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.
ANZ542-080800-
PATUXENT RIVER TO BROOMES ISLAND MD-
255 PM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
THIS AFTERNOON
NW WINDS 15 KT WITH GUSTS TO 20 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 5 TO 10 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES
1 FT.
WED NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
E 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 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.
ANZ534-080800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
255 PM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
THIS AFTERNOON
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 10 TO 15 KT WITH GUSTS TO 20 KT. 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.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SE WINDS 10 TO 15 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT
OR LESS...BUILDING TO 2 FT.
SAT...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT.
ANZ543-080800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
255 PM EDT TUE APR 7 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...N WINDS 15 TO 20 KT
BECOMING NE 10 TO 15 KT LATE. GUSTS
UP TO 25 KT. WAVES 2 FT.
WED
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE 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 FT.
THU NIGHT
E 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.
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