709
FZUS51 KLWX 032058
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
458 PM EDT MON AUG 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.
ANZ500-040800-
458 PM EDT MON AUG 3 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A FRONTAL BOUNDARY SLOWLY MOVES THROUGH THE AREA THIS AFTERNOON
BEFORE STALLING JUST TO OUR SOUTH TONIGHT. MOSTLY DRY CONDITIONS
TUESDAY, THEN DAILY SHOWER AND THUNDERSTORM CHANCES RETURN TO THE
FORECAST, 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.
ANZ535-040800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
458 PM EDT MON AUG 3 2026
REST OF THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
N WINDS AROUND 5 KT. WAVES 1 FT.
TUE
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
WED NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-040800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
458 PM EDT MON AUG 3 2026
REST OF THIS AFTERNOON
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
NUMEROUS SHOWERS AND SCATTERED TSTMS.
TONIGHT
N WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
TUE
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
WED NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-040800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
458 PM EDT MON AUG 3 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
NUMEROUS SHOWERS AND SCATTERED TSTMS.
TONIGHT...E WINDS AROUND 5 KT
BECOMING NE LATE. WAVES 1 FT.
NUMEROUS SHOWERS AND SCATTERED TSTMS.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-040800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
458 PM EDT MON AUG 3 2026
REST OF THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-040800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
458 PM EDT MON AUG 3 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT...NW WINDS 5 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-040800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
458 PM EDT MON AUG 3 2026
REST OF THIS AFTERNOON
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
N WINDS 5 KT. WAVES FLAT.
TUE
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
WED
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-040800-
CHESTER RIVER TO QUEENSTOWN MD-
458 PM EDT MON AUG 3 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT...N WINDS AROUND 5 KT
BECOMING NE LATE. WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 KT. WAVES FLAT.
WED
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-040800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
458 PM EDT MON AUG 3 2026
REST OF THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT...E WINDS 5 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
S WINDS 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-040800-
EASTERN BAY-
458 PM EDT MON AUG 3 2026
REST OF THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT...N WINDS AROUND 5 KT
BECOMING NE LATE. WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 KT. WAVES FLAT.
WED
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-040800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
458 PM EDT MON AUG 3 2026
REST OF THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SCATTERED SHOWERS AND TSTMS.
TONIGHT...SW WINDS AROUND 5 KT
BECOMING NE AFTER MIDNIGHT. WAVES
1 FT. SCATTERED SHOWERS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
WED NIGHT
S WINDS 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-040800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
458 PM EDT MON AUG 3 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
ISOLATED SHOWERS AND TSTMS.
TONIGHT...W WINDS AROUND 5 KT
BECOMING NE AFTER MIDNIGHT. WAVES
1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-040800-
PATUXENT RIVER TO BROOMES ISLAND MD-
458 PM EDT MON AUG 3 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
NUMEROUS SHOWERS AND SCATTERED TSTMS.
TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-040800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
458 PM EDT MON AUG 3 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT. NUMEROUS
SHOWERS AND SCATTERED TSTMS.
TONIGHT...S WINDS AROUND 5 KT
BECOMING NE AFTER MIDNIGHT. WAVES
1 FT. NUMEROUS SHOWERS AND SCATTERED TSTMS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
WED NIGHT
S WINDS 10 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 KT. WAVES 2 TO 3 FT.
FRI
SW WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-040800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
458 PM EDT MON AUG 3 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT. NUMEROUS
SHOWERS AND SCATTERED TSTMS.
TONIGHT...S WINDS AROUND 5 KT
BECOMING NE LATE. WAVES 1 FT.
NUMEROUS SHOWERS AND SCATTERED TSTMS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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