169
FZUS51 KLWX 031248
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
848 AM EDT THU SEP 3 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.
ANZ500-032000-
848 AM EDT THU SEP 3 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH
FRIDAY IN A HOT AND HUMID AIR MASS. SPECIAL MARINE WARNINGS MAY BE
NEEDED EACH AFTERNOON THROUGH AT LEAST FRIDAY FOR STRONG
THUNDERSTORMS MOVING OVER THE WATERS. SMALL CRAFT ADVISORIES MAY BE
NEEDED FRIDAY NIGHT THROUGH SATURDAY NIGHT.
ANZ535-032000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
848 AM EDT THU SEP 3 2026
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS EARLY
THIS MORNING, THEN SCATTERED SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
FRI NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-032000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
848 AM EDT THU SEP 3 2026
TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS AND
TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
AND TSTMS.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
FRI NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-032000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
848 AM EDT THU SEP 3 2026
TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS AND
TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-032000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
848 AM EDT THU SEP 3 2026
TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS EARLY
THIS MORNING, THEN ISOLATED SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
AND TSTMS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
FRI NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-032000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
848 AM EDT THU SEP 3 2026
TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
EARLY THIS MORNING, THEN ISOLATED SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON...E WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-032000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
848 AM EDT THU SEP 3 2026
TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
EARLY THIS MORNING, THEN ISOLATED SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
AND TSTMS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
FRI NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-032000-
CHESTER RIVER TO QUEENSTOWN MD-
848 AM EDT THU SEP 3 2026
TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
EARLY THIS MORNING, THEN ISOLATED SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-032000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
848 AM EDT THU SEP 3 2026
TODAY...NE WINDS 10 KT
BECOMING S LATE THIS MORNING AND
AFTERNOON. WAVES 1 FT. SCATTERED SHOWERS EARLY THIS MORNING, THEN
ISOLATED SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON...E WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-032000-
EASTERN BAY-
848 AM EDT THU SEP 3 2026
TODAY
S WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS EARLY
THIS MORNING, THEN ISOLATED SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON...NE WINDS AROUND 5 KT
BECOMING S. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-032000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
848 AM EDT THU SEP 3 2026
TODAY...E WINDS 10 KT
BECOMING S LATE THIS MORNING AND AFTERNOON.
WAVES 1 FT. SCATTERED SHOWERS EARLY THIS MORNING, THEN ISOLATED
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
N WINDS 5 TO 10 KT. WAVES 2 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON...E WINDS 5 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-032000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
848 AM EDT THU SEP 3 2026
TODAY...E WINDS 10 KT
BECOMING SW LATE THIS MORNING AND
AFTERNOON. WAVES 1 FT. SCATTERED SHOWERS EARLY THIS MORNING, THEN
ISOLATED SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON...NE WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-032000-
PATUXENT RIVER TO BROOMES ISLAND MD-
848 AM EDT THU SEP 3 2026
TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS EARLY
THIS MORNING, THEN ISOLATED SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-032000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
848 AM EDT THU SEP 3 2026
TODAY...S WINDS 5 KT
INCREASING TO 10 KT LATE. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS AND TSTMS.
SAT
N WINDS 10 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...NE WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT AFTER MIDNIGHT.
WAVES 2 FT.
MON...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 TO
2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-032000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
848 AM EDT THU SEP 3 2026
TODAY...E WINDS 10 KT
BECOMING S LATE THIS MORNING AND AFTERNOON.
WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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