428
FZUS51 KLWX 100259
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1058 PM EDT WED SEP 9 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.
ANZ500-100800-
1058 PM EDT WED SEP 9 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE OFFSHORE WILL MAINTAIN SOUTHERLY TO SOUTHWESTERLY
WINDS THROUGH EARLY THURSDAY MORNING. WINDS SHIFT TO THE WEST AND
NORTHWEST AS A COLD FRONT CROSSES THURSDAY MORNING, WITH LIGHTER
WINDS THEN CONTINUING THROUGH FRIDAY. SOUTHERLY CHANNELING MAY
PROMPT SMALL CRAFT ADVISORIES SATURDAY.
ANZ535-100800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1058 PM EDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT THURSDAY
REST OF TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
FRI
N WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS IN THE MORNING.
MON
E WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-100800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1058 PM EDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT THURSDAY
REST OF TONIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
THU...SW WINDS 10 TO 15 KT
BECOMING W 5 KT IN THE AFTERNOON.
WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS.
THU NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
FRI
N WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS THROUGH THE NIGHT.
MON
E WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-100800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1058 PM EDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THURSDAY
REST OF TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
THU...W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 TO 10 KT LATE. WAVES 1 TO 2 FT.
THU NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
MON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-100800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1058 PM EDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT THURSDAY
REST OF TONIGHT
SW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS IN THE MORNING, THEN A CHANCE OF SHOWERS THROUGH THE
NIGHT.
MON
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-100800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1058 PM EDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT THURSDAY
REST OF TONIGHT
SW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
THU
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES
1 TO 2 FT. A CHANCE OF SHOWERS.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE
AFTERNOON.
MON...NE WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-100800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1058 PM EDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT THURSDAY
REST OF TONIGHT
SW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF TSTMS IN THE
MORNING. A CHANCE OF SHOWERS THROUGH THE DAY.
MON
E WINDS 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-100800-
CHESTER RIVER TO QUEENSTOWN MD-
1058 PM EDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT THURSDAY
REST OF TONIGHT
SW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
THU...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W 5 KT
IN THE AFTERNOON. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
THU NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE
AFTERNOON.
MON
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-100800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1058 PM EDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT THURSDAY
REST OF TONIGHT
SW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
THU...SW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT IN THE LATE
MORNING AND AFTERNOON. WAVES 3 FT...SUBSIDING TO 1 FT IN THE
AFTERNOON.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
MON...NE WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-100800-
EASTERN BAY-
1058 PM EDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT THURSDAY
REST OF TONIGHT...SW WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
INCREASING TO 30 KT. WAVES 2 TO 3 FT.
THU...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
THU NIGHT...NW WINDS 5 KT
BECOMING N LATE. WAVES 1 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
MON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-100800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1058 PM EDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT THURSDAY
REST OF TONIGHT
SW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
THU...SW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT.
THU NIGHT...SW WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
SAT NIGHT...SE WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
MON...NE WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-100800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1058 PM EDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT THURSDAY
REST OF TONIGHT
SW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
THU...SW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT.
THU NIGHT...W WINDS 5 KT
BECOMING N LATE. WAVES 1 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
MON...NE WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-100800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1058 PM EDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT THURSDAY
REST OF TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES
1 FT.
THU
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES
1 FT.
THU NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
MON
NE WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-100800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1058 PM EDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THURSDAY
REST OF TONIGHT
SW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
THU...SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
5 TO 10 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
THU NIGHT...S WINDS 5 TO 10 KT
BECOMING NW IN THE LATE EVENING
AND OVERNIGHT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
SAT NIGHT...SE WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 2 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND TSTMS THROUGH
THE NIGHT.
MON...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-100800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1058 PM EDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THURSDAY
REST OF TONIGHT
SW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES
2 TO 3 FT.
THU...SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
10 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
THU NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES
1 FT. A CHANCE OF SHOWERS AND TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
SAT NIGHT...SE WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND TSTMS THROUGH
THE NIGHT.
MON...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page