911
FZUS51 KLWX 080259
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1058 PM 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.
ANZ500-080800-
1058 PM EDT THU MAY 7 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD FROM THE MIDWEST TO THE MID-ATLANTIC
TONIGHT THROUGH FRIDAY NIGHT BEFORE MOVING OFFSHORE ON SATURDAY.
ANOTHER COLD FRONT AND WAVE OF LOW PRESSURE WILL APPROACH FROM THE
OHIO RIVER VALLEY ON SUNDAY, THEN MOVE OFFSHORE MONDAY.
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. NORTHERLY WIND GUSTS OF 20 TO
25 KNOTS ARE POSSIBLE MONDAY.
ANZ535-080800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1058 PM EDT THU MAY 7 2026
REST OF TONIGHT
W WINDS 5 KT. WAVES LESS THAN 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 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS, MAINLY IN THE
MORNING.
TUE...NW WINDS 5 TO 10 KT
BECOMING NE IN THE EVENING, THEN
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
ANZ536-080800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1058 PM EDT THU MAY 7 2026
REST OF TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI...NW WINDS AROUND 5 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 WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT...E WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
SHOWERS LIKELY.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY IN THE
MORNING. A CHANCE OF SHOWERS IN THE AFTERNOON.
TUE...NW WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
ANZ537-080800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1058 PM EDT THU MAY 7 2026
REST OF TONIGHT...W WINDS 5 KT
BECOMING NW LATE. WAVES 1 FT OR
LESS.
FRI...NW WINDS 5 TO 10 KT
BECOMING S IN THE AFTERNOON. WAVES
1 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. A CHANCE
OF SHOWERS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN NIGHT...SE WINDS 5 TO 10 KT
BECOMING NE AFTER MIDNIGHT. WAVES
1 FT. A CHANCE OF SHOWERS.
MON
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY THROUGH
THE DAY, THEN A CHANCE OF SHOWERS IN THE EVENING.
TUE...NW WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
ANZ530-080800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1058 PM EDT THU MAY 7 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 FT.
FRI NIGHT...W WINDS 5 TO 10 KT
BECOMING S IN THE LATE EVENING AND
OVERNIGHT. WAVES 1 FT.
SAT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS, MAINLY IN THE
MORNING.
TUE...NW WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-080800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1058 PM EDT THU MAY 7 2026
REST OF 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
S 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 OR LESS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN NIGHT...SW WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
SHOWERS.
MON
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. SHOWERS, MAINLY IN THE
MORNING.
TUE...NW WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 TO
2 FT.
ANZ538-080800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1058 PM EDT THU MAY 7 2026
REST OF TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SAT NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN NIGHT...S WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
SHOWERS.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS, MAINLY IN THE
MORNING.
TUE...NW WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
ANZ539-080800-
CHESTER RIVER TO QUEENSTOWN MD-
1058 PM EDT THU MAY 7 2026
REST OF TONIGHT...W WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES
1 FT.
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
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
SAT NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
SW WINDS 5 KT. WAVES FLAT.
SUN NIGHT...S WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT OR
LESS. SHOWERS LIKELY.
MON
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY THROUGH
THE DAY.
TUE...NW WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
ANZ532-080800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1058 PM EDT THU MAY 7 2026
REST OF TONIGHT...W WINDS 10 KT
BECOMING NW LATE. WAVES 1 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING S IN THE AFTERNOON. WAVES
1 FT.
FRI NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE
EVENING AND OVERNIGHT. WAVES 1 TO 2 FT.
SAT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN NIGHT...SE WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 FT. SHOWERS LIKELY.
MON
N WINDS 10 TO 15 KT. WAVES 2 FT. SHOWERS LIKELY THROUGH THE
DAY, THEN A CHANCE OF SHOWERS IN THE EVENING.
TUE...NW WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT. WAVES 1 TO
2 FT.
ANZ540-080800-
EASTERN BAY-
1058 PM EDT THU MAY 7 2026
REST OF TONIGHT...W WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES
1 FT.
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
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
SW WINDS 5 KT. WAVES FLAT.
SUN NIGHT...SE WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT
OR LESS. SHOWERS LIKELY.
MON
N WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS LIKELY THROUGH THE
DAY, THEN A CHANCE OF SHOWERS IN THE EVENING.
TUE...NW WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
ANZ533-080800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1058 PM EDT THU MAY 7 2026
REST OF TONIGHT...W WINDS 10 KT
BECOMING NW LATE. WAVES 1 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING S IN THE AFTERNOON. WAVES
1 FT.
FRI NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
SAT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT...SE WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS LIKELY.
MON
N WINDS 10 TO 15 KT. WAVES 2 FT. SHOWERS LIKELY THROUGH THE
DAY, THEN A CHANCE OF SHOWERS IN THE EVENING.
TUE...NW WINDS 10 TO 15 KT
BECOMING SE 5 KT. WAVES 1 TO 2 FT.
ANZ541-080800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1058 PM EDT THU MAY 7 2026
REST OF TONIGHT...W WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES
1 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 FT.
FRI NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE
EVENING AND OVERNIGHT. WAVES 1 FT.
SAT
S 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
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN NIGHT...SE WINDS 5 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT. SHOWERS LIKELY.
MON
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY THROUGH
THE DAY, THEN A CHANCE OF SHOWERS IN THE EVENING.
TUE...NW WINDS 10 TO 15 KT
BECOMING SW 5 KT. WAVES 1 FT.
ANZ542-080800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1058 PM EDT THU MAY 7 2026
REST OF TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI...W WINDS AROUND 5 KT
BECOMING S LATE. WAVES 1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 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. WAVES 1 FT.
SUN NIGHT...SE WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
SHOWERS LIKELY.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY THROUGH THE
DAY, THEN A CHANCE OF SHOWERS IN THE EVENING.
TUE...NW WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
ANZ534-080800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1058 PM EDT THU MAY 7 2026
REST OF TONIGHT...W WINDS 5 TO 10 KT
BECOMING NW 15 KT LATE.
WAVES 1 TO 2 FT.
FRI...N WINDS 10 TO 15 KT
BECOMING NW AROUND 5 KT LATE IN THE
MORNING, THEN BECOMING S 10 TO 15 KT WITH GUSTS TO 20 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 20 KT. WAVES 3 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT...SE WINDS 5 TO 10 KT
BECOMING NE AFTER MIDNIGHT. WAVES
1 FT. SHOWERS LIKELY.
MON
N WINDS 10 TO 15 KT. WAVES 2 TO 3 FT. SHOWERS LIKELY THROUGH
THE DAY, THEN A CHANCE OF SHOWERS IN THE EVENING.
TUE...NW WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT. WAVES 1 TO
2 FT.
ANZ543-080800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1058 PM EDT THU MAY 7 2026
REST OF TONIGHT...W WINDS 5 TO 10 KT
BECOMING NW 15 KT LATE.
WAVES 1 FT OR LESS.
FRI...NW WINDS 10 TO 15 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 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
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
MON
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY IN THE
MORNING. A CHANCE OF SHOWERS THROUGH THE NIGHT.
TUE...NW WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT. WAVES 1 FT.
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