719
FZUS51 KLWX 071500
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1059 AM EDT THU MAY 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-
1059 AM EDT THU MAY 7 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT WILL SLOWLY SLIDE SOUTHEAST OF THE MID-ATLANTIC THROUGH
TODAY AS A WEAK WAVE OF LOW PRESSURE GLIDES BY TO THE SOUTH OVER
THE CAROLINAS. HIGH PRESSURE WILL BUILD FROM THE MIDWEST TO THE
MID- ATLANTIC TONIGHT THROUGH FRIDAY NIGHT BEFORE MOVING OFFSHORE
ON SATURDAY. ANOTHER COLD FRONT WILL APPROACH FROM THE OHIO RIVER
VALLEY ON SUNDAY. NORTHERLY WIND GUSTS MAY BRIEFLY APPROACH 20 KNOTS
THURSDAY MORNING OVER THE MAIN CHANNEL OF THE CHESAPEAKE BAY, THEN
NORTHWESTERLY WIND GUSTS MAY BRIEFLY APPROACH 20 KNOTS LATE TONIGHT
INTO EARLY FRIDAY MORNING OVER THE MIDDLE CHESAPEAKE BAY AND LOWER
TIDAL POTOMAC RIVER. WESTERLY WIND GUSTS COULD APPROACH 20 KNOTS
FRIDAY AFTERNOON OVER THE UPPER CHESAPEAKE BAY AND UPPER TIDAL
POTOMAC RIVER. MORE WIDESPREAD GUSTS AROUND 20 KNOTS ARE POSSIBLE
OUT OF THE SOUTH LATE FRIDAY EVENING THROUGH SATURDAY AFTERNOON, AND
AGAIN SUNDAY AFTERNOON AND EVENING.
ANZ535-072000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1059 AM EDT THU MAY 7 2026
REST OF TODAY
N WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN...S WINDS 5 TO 10 KT
BECOMING SE IN THE EVENING, THEN
BECOMING N AFTER MIDNIGHT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT. SHOWERS LIKELY AFTER MIDNIGHT.
MON
NW WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
ANZ536-072000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1059 AM EDT THU MAY 7 2026
REST OF TODAY
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT
CHANCE OF SHOWERS LATE THIS MORNING.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...S WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT. A
CHANCE OF SHOWERS IN THE EVENING. SHOWERS LIKELY AFTER MIDNIGHT.
MON
N WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
ANZ537-072000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1059 AM EDT THU MAY 7 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY
REST OF TODAY
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE THIS
MORNING AND EARLY AFTERNOON. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
TONIGHT...W WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES 1 FT OR
LESS.
FRI...NW WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...S WINDS 5 TO 10 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 FT OR
LESS. A CHANCE OF SHOWERS THROUGH THE NIGHT. SHOWERS LIKELY AFTER
MIDNIGHT.
MON
N WINDS 10 TO 15 KT. WAVES 2 FT. SHOWERS LIKELY THROUGH THE
DAY.
ANZ530-072000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1059 AM EDT THU MAY 7 2026
REST OF TODAY
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY.
SAT NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN...S WINDS AROUND 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT
OR LESS. A CHANCE OF SHOWERS IN THE EVENING. SHOWERS LIKELY AFTER
MIDNIGHT.
MON
N WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
ANZ531-072000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1059 AM EDT THU MAY 7 2026
REST OF TODAY...N WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT
OR LESS.
TONIGHT...SW WINDS 5 KT
BECOMING NW 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 2 FT. SHOWERS LIKELY.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN...S WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT OR LESS...BUILDING TO 2 FT AFTER MIDNIGHT. A CHANCE OF
SHOWERS IN THE EVENING. SHOWERS LIKELY AFTER MIDNIGHT.
MON
N WINDS 10 TO 15 KT. WAVES 2 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
ANZ538-072000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1059 AM EDT THU MAY 7 2026
REST OF TODAY
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SAT NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN...S WINDS AROUND 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT
OR LESS. A CHANCE OF SHOWERS IN THE EVENING. SHOWERS LIKELY AFTER
MIDNIGHT.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY, MAINLY IN THE
MORNING.
ANZ539-072000-
CHESTER RIVER TO QUEENSTOWN MD-
1059 AM EDT THU MAY 7 2026
REST OF TODAY
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT...W WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY.
SAT NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN...S WINDS AROUND 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT
OR LESS. A CHANCE OF SHOWERS IN THE EVENING. SHOWERS LIKELY AFTER
MIDNIGHT.
MON
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY, MAINLY
IN THE MORNING.
ANZ532-072000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1059 AM EDT THU MAY 7 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY
REST OF TODAY...N WINDS 10 KT
BECOMING SE LATE. WAVES 1 FT. A
SLIGHT CHANCE OF SHOWERS LATE THIS MORNING.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NW 10 TO 15 KT LATE. WAVES
1 FT.
FRI...W WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...S WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT OR LESS...BUILDING TO 2 FT AFTER MIDNIGHT. A CHANCE OF
SHOWERS IN THE EVENING. SHOWERS LIKELY AFTER MIDNIGHT.
MON
N WINDS 15 TO 20 KT. WAVES 2 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
ANZ540-072000-
EASTERN BAY-
1059 AM EDT THU MAY 7 2026
REST OF TODAY
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TONIGHT...W WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES 1 FT.
FRI...W WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN...S WINDS AROUND 5 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT
OR LESS. A CHANCE OF SHOWERS IN THE EVENING. SHOWERS LIKELY AFTER
MIDNIGHT.
MON
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY, MAINLY
IN THE MORNING.
ANZ533-072000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1059 AM EDT THU MAY 7 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY
REST OF TODAY
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE THIS
MORNING AND EARLY AFTERNOON. WAVES 1 TO 2 FT. A SLIGHT CHANCE OF
SHOWERS.
TONIGHT...SW WINDS 10 TO 15 KT
BECOMING NW LATE. WAVES 1 TO 2 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 TO 2 FT.
FRI NIGHT
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...S WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT OR LESS...BUILDING TO 2 FT AFTER MIDNIGHT. A CHANCE OF
SHOWERS IN THE EVENING. SHOWERS LIKELY AFTER MIDNIGHT.
MON
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. SHOWERS LIKELY THROUGH
THE DAY.
ANZ541-072000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1059 AM EDT THU MAY 7 2026
REST OF TODAY
N WINDS 5 TO 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS.
TONIGHT...SW WINDS AROUND 5 KT
BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 TO 2 FT.
FRI NIGHT
S WINDS 10 KT. WAVES 1 FT.
SAT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN...S WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT OR LESS. A CHANCE OF SHOWERS IN THE EVENING. SHOWERS
LIKELY AFTER MIDNIGHT.
MON
N WINDS 15 TO 20 KT. WAVES 2 FT. SHOWERS LIKELY THROUGH THE
DAY.
ANZ542-072000-
PATUXENT RIVER TO BROOMES ISLAND MD-
1059 AM EDT THU MAY 7 2026
REST OF TODAY
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
LATE THIS MORNING, THEN A SLIGHT CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT...SW WINDS AROUND 5 KT
BECOMING NW LATE. WAVES 1 FT.
FRI...W WINDS 5 KT
BECOMING SW LATE. WAVES 1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...S WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT. A
CHANCE OF SHOWERS IN THE EVENING. SHOWERS LIKELY AFTER MIDNIGHT.
MON
N WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS LIKELY THROUGH THE
DAY.
ANZ534-072000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1059 AM EDT THU MAY 7 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY
REST OF TODAY...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO 5 KT LATE. WAVES 2 TO 3 FT...SUBSIDING TO 1 FT LATE.
A CHANCE OF SHOWERS.
TONIGHT...W WINDS 5 TO 10 KT
BECOMING NW 15 TO 20 KT LATE. WAVES
1 TO 2 FT.
FRI...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW 5 KT
EARLY IN THE AFTERNOON, THEN BECOMING S 10 TO 15 KT LATE. WAVES 1 TO
2 FT.
FRI NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SAT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT. A
CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
EVENING. SHOWERS LIKELY AFTER MIDNIGHT.
MON
N WINDS 15 TO 20 KT. WAVES 3 FT. SHOWERS LIKELY THROUGH THE
DAY.
ANZ543-072000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1059 AM EDT THU MAY 7 2026
REST OF TODAY
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE THIS
MORNING AND EARLY AFTERNOON. WAVES 1 FT. SHOWERS LIKELY LATE THIS
MORNING, THEN A CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT...W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES FLAT
BUILDING TO 2 FT AFTER MIDNIGHT.
FRI...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW 5 TO
10 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
FRI NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SAT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
EVENING. SHOWERS LIKELY AFTER MIDNIGHT.
MON
N WINDS 15 TO 20 KT. WAVES 2 FT. SHOWERS LIKELY THROUGH THE
DAY.
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