255
FZUS51 KLWX 052358
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
758 PM EDT WED AUG 5 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.
ANZ500-060800-
758 PM EDT WED AUG 5 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
DAILY SHOWER AND THUNDERSTORM CHANCES RETURN TO THE FORECAST THROUGH
THE WEEKEND, WITH GUSTY WINDS POSSIBLE IN THE STRONGEST
THUNDERSTORMS ESPECIALLY LATER THIS WEEK. ADDITIONAL SMALL CRAFT
ADVISORIES MAY BE NEEDED AT TIMES LATE THIS WEEK DUE TO PERIODS OF
SOUTHERLY CHANNELING.
ANZ535-060800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
758 PM EDT WED AUG 5 2026
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS THIS EVENING.
THU
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT.
MON
W WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-060800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
758 PM EDT WED AUG 5 2026
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS THIS EVENING.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT.
MON
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-060800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
758 PM EDT WED AUG 5 2026
TONIGHT
S WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF SHOWERS AND
TSTMS THIS EVENING.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
SW WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-060800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
758 PM EDT WED AUG 5 2026
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS THIS EVENING.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT.
MON
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-060800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
758 PM EDT WED AUG 5 2026
TONIGHT
S WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF SHOWERS
THIS EVENING.
THU
S WINDS 10 KT. WAVES 1 TO 2 FT. SCATTERED SHOWERS AND TSTMS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SCATTERED
SHOWERS.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-060800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
758 PM EDT WED AUG 5 2026
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS THIS EVENING.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS.
FRI
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
SAT NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
SUN
SW WINDS AROUND 5 KT. WAVES FLAT.
MON
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-060800-
CHESTER RIVER TO QUEENSTOWN MD-
758 PM EDT WED AUG 5 2026
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-060800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
758 PM EDT WED AUG 5 2026
TONIGHT
S WINDS 10 KT. WAVES 2 FT.
THU
S WINDS 10 KT. WAVES 1 TO 2 FT. SCATTERED SHOWERS AND TSTMS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-060800-
EASTERN BAY-
758 PM EDT WED AUG 5 2026
TONIGHT
S WINDS 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-060800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
758 PM EDT WED AUG 5 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
S WINDS 10 KT. WAVES 1 TO 2 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. SCATTERED SHOWERS AND
TSTMS.
THU NIGHT
SW WINDS 10 KT. WAVES 1 TO 2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-060800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
758 PM EDT WED AUG 5 2026
TONIGHT
S WINDS 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-060800-
PATUXENT RIVER TO BROOMES ISLAND MD-
758 PM EDT WED AUG 5 2026
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS THIS EVENING.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT.
MON
SW WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-060800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
758 PM EDT WED AUG 5 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SCATTERED SHOWERS AND TSTMS.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI
SW WINDS 10 KT. WAVES 2 FT.
FRI NIGHT
SW WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
SW WINDS 10 TO 15 KT. WAVES 2 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-060800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
758 PM EDT WED AUG 5 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SCATTERED SHOWERS AND TSTMS.
THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
FRI NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS AND TSTMS.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS AND TSTMS.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page