075
FZUS51 KLWX 221828
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 PM EDT WED JUL 22 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.
ANZ500-230800-
227 PM EDT WED JUL 22 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD IN FROM THE WEST FOR THE END OF THE WEEK.
THE NEXT FRONTAL SYSTEM MAY APPROACH BY EARLY NEXT WEEK.
ANZ535-230800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
227 PM EDT WED JUL 22 2026
THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS
SHOWERS WITH A CHANCE OF TSTMS.
TONIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS WITH A
CHANCE OF TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
SE WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-230800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
227 PM EDT WED JUL 22 2026
THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS
SHOWERS WITH A CHANCE OF TSTMS.
TONIGHT...SW WINDS 5 KT
BECOMING N IN THE LATE EVENING AND
OVERNIGHT. WAVES 1 FT. SCATTERED SHOWERS WITH A CHANCE OF TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
SE WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-230800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
227 PM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH
THURSDAY MORNING...
THIS AFTERNOON
W WINDS 10 KT. WAVES 1 FT. NUMEROUS SHOWERS WITH A
CHANCE OF TSTMS.
TONIGHT...W WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT WITH GUSTS TO
20 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE OF
TSTMS.
THU
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
THU NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-230800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
227 PM EDT WED JUL 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...
THIS AFTERNOON
W WINDS 10 KT. WAVES 1 FT. SCATTERED SHOWERS WITH
A SLIGHT CHANCE OF TSTMS.
TONIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE
EVENING AND OVERNIGHT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
FRI
E WINDS AROUND 5 KT. WAVES FLAT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
SE WINDS AROUND 5 KT. WAVES FLAT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-230800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
227 PM EDT WED JUL 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...
THIS AFTERNOON
W WINDS 10 KT. WAVES 1 FT. SCATTERED SHOWERS WITH
A SLIGHT CHANCE OF TSTMS.
TONIGHT...NW WINDS 10 TO 15 KT
BECOMING N AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 TO 2 FT. SCATTERED SHOWERS WITH A CHANCE OF
TSTMS.
THU...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NE 5 KT
LATE. WAVES 1 TO 2 FT.
THU NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...E WINDS 5 KT
BECOMING S. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-230800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
227 PM EDT WED JUL 22 2026
THIS AFTERNOON
W WINDS 10 KT. WAVES 1 FT. SCATTERED SHOWERS WITH
A SLIGHT CHANCE OF TSTMS.
TONIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE LATE EVENING
AND OVERNIGHT. WAVES 1 FT. SCATTERED SHOWERS.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SE WINDS AROUND 5 KT. WAVES FLAT.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-230800-
CHESTER RIVER TO QUEENSTOWN MD-
227 PM EDT WED JUL 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...
THIS AFTERNOON
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS
WITH A CHANCE OF TSTMS.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SCATTERED SHOWERS WITH A CHANCE OF TSTMS.
THU...N WINDS 10 TO 15 KT
DIMINISHING TO 5 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
THU NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
SE WINDS AROUND 5 KT. WAVES FLAT.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-230800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
227 PM EDT WED JUL 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...
THIS AFTERNOON
W WINDS 10 KT. WAVES 1 FT. SCATTERED SHOWERS WITH
A CHANCE OF TSTMS.
TONIGHT...NW WINDS 5 TO 10 KT
BECOMING N 15 KT WITH GUSTS TO
20 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SCATTERED SHOWERS WITH A
CHANCE OF TSTMS.
THU...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NE 5 KT
LATE. WAVES 2 FT.
THU NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-230800-
EASTERN BAY-
227 PM EDT WED JUL 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...
THIS AFTERNOON
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS
WITH A CHANCE OF TSTMS.
TONIGHT...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING N
WITH GUSTS TO 20 KT LATE. WAVES 1 TO 2 FT. SCATTERED SHOWERS WITH A
CHANCE OF TSTMS.
THU...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT LATE. WAVES 1 FT.
THU NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
E WINDS AROUND 5 KT. WAVES FLAT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-230800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
227 PM EDT WED JUL 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH
THURSDAY MORNING...
THIS AFTERNOON
W WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS
WITH A CHANCE OF TSTMS.
TONIGHT...W WINDS 5 TO 10 KT
BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. WAVES 1 FT...BUILDING TO 3 FT AFTER MIDNIGHT. SCATTERED
SHOWERS WITH A CHANCE OF TSTMS.
THU
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
THU NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT.
SUN...SE WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT
OR LESS. A CHANCE OF SHOWERS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-230800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
227 PM EDT WED JUL 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH
THURSDAY MORNING...
THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH A CHANCE OF TSTMS.
TONIGHT...W WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT WITH GUSTS TO
20 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. NUMEROUS SHOWERS WITH A
CHANCE OF TSTMS.
THU...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT LATE. WAVES 1 TO 2 FT.
THU NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-230800-
PATUXENT RIVER TO BROOMES ISLAND MD-
227 PM EDT WED JUL 22 2026
THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS
SHOWERS WITH A CHANCE OF TSTMS.
TONIGHT...W WINDS 5 KT
BECOMING N WITH GUSTS TO 20 KT AFTER
MIDNIGHT. WAVES 1 FT. SHOWERS WITH A CHANCE OF TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-230800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
227 PM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH
THURSDAY MORNING...
THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 2 TO 3 FT. SHOWERS WITH A CHANCE
OF TSTMS.
THU
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT. A
CHANCE OF SHOWERS.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...E WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-230800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
227 PM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH
THURSDAY MORNING...
THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE
OF TSTMS.
THU
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
THU NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...SE WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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