213
FZUS51 KLWX 052058
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
458 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-
458 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-
458 PM EDT WED AUG 5 2026
REST OF THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT. A
CHANCE OF SHOWERS AND TSTMS.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 1 FT.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF 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 THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
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-
458 PM EDT WED AUG 5 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
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 THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-060800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
458 PM EDT WED AUG 5 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
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.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-060800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
458 PM EDT WED AUG 5 2026
REST OF THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT. A
CHANCE OF SHOWERS AND TSTMS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
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.
SUN
W WINDS AROUND 5 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-
458 PM EDT WED AUG 5 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 10 KT. WAVES 1 TO 2 FT.
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 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 THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-060800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
458 PM EDT WED AUG 5 2026
REST OF THIS AFTERNOON
SE WINDS 10 KT. WAVES 1 FT. SHOWERS WITH A
CHANCE OF TSTMS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
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 THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
SW WINDS AROUND 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-060800-
CHESTER RIVER TO QUEENSTOWN MD-
458 PM EDT WED AUG 5 2026
REST OF THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT. A
SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
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 THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-060800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
458 PM EDT WED AUG 5 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 2 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
TONIGHT
S WINDS 10 KT. WAVES 2 FT.
THU
S WINDS 10 KT. WAVES 1 TO 2 FT.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS.
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 THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-060800-
EASTERN BAY-
458 PM EDT WED AUG 5 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
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 THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-060800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
458 PM EDT WED AUG 5 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT. WAVES 2 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
TONIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
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.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-060800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
458 PM EDT WED AUG 5 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
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.
SUN
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-
458 PM EDT WED AUG 5 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
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.
SUN
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-
458 PM EDT WED AUG 5 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
S WINDS 10 TO 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.
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. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-060800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
458 PM EDT WED AUG 5 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
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. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
AND TSTMS THROUGH THE NIGHT.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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