815
FZUS51 KLWX 110042
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
842 PM EDT FRI JUL 10 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.
ANZ500-110800-
842 PM EDT FRI JUL 10 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A FRONTAL ZONE WILL MEANDER ABOUT THE MID-ATLANTIC TODAY. ANOTHER
COLD FRONT WILL PUSH SOUTH ACROSS THE WATERS THIS WEEKEND BEFORE
SETTLING SOUTH OVER THE CAROLINAS BY EARLY NEXT WEEK. SPECIAL MARINE
WARNINGS MAY BE NEEDED FOR STRONG TO SEVERE THUNDERSTORMS THROUGH
SATURDAY, BUT ESPECIALLY THIS AFTERNOON AND EVENING.
ANZ535-110800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
842 PM EDT FRI JUL 10 2026
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS WITH ISOLATED TSTMS EARLY THIS EVENING.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
E WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-110800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
842 PM EDT FRI JUL 10 2026
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS AND
TSTMS EARLY THIS EVENING.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-110800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
842 PM EDT FRI JUL 10 2026
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
AND TSTMS EARLY THIS EVENING, THEN ISOLATED SHOWERS AND TSTMS AFTER
MIDNIGHT.
SAT...W WINDS 5 KT
BECOMING N LATE. WAVES 1 FT OR LESS. A CHANCE
OF SHOWERS AND TSTMS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-110800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
842 PM EDT FRI JUL 10 2026
TONIGHT
NW WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS AND TSTMS
EARLY THIS EVENING.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS AND TSTMS
LIKELY.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
SUN
E WINDS 5 KT. WAVES FLAT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
S WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-110800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
842 PM EDT FRI JUL 10 2026
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND
TSTMS EARLY THIS EVENING.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-110800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
842 PM EDT FRI JUL 10 2026
TONIGHT
W WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND
TSTMS EARLY THIS EVENING.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
SAT NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-110800-
CHESTER RIVER TO QUEENSTOWN MD-
842 PM EDT FRI JUL 10 2026
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND
TSTMS EARLY THIS EVENING.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS AND TSTMS LIKELY.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS AND
TSTMS LIKELY.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS 5 KT. WAVES FLAT.
MON NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-110800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
842 PM EDT FRI JUL 10 2026
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND
TSTMS EARLY THIS EVENING, THEN ISOLATED SHOWERS AND TSTMS AFTER
MIDNIGHT.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-110800-
EASTERN BAY-
842 PM EDT FRI JUL 10 2026
TONIGHT
W WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS AND TSTMS
EARLY THIS EVENING, THEN ISOLATED SHOWERS AND TSTMS AFTER MIDNIGHT.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS 5 KT. WAVES FLAT.
MON NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-110800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
842 PM EDT FRI JUL 10 2026
TONIGHT
W WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS AND TSTMS
EARLY THIS EVENING, THEN ISOLATED SHOWERS AND TSTMS AFTER MIDNIGHT.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-110800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
842 PM EDT FRI JUL 10 2026
TONIGHT
SW WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS AND TSTMS
EARLY THIS EVENING, THEN ISOLATED SHOWERS AND TSTMS AFTER MIDNIGHT.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SAT NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-110800-
PATUXENT RIVER TO BROOMES ISLAND MD-
842 PM EDT FRI JUL 10 2026
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
AND TSTMS EARLY THIS EVENING, THEN ISOLATED SHOWERS AND TSTMS AFTER
MIDNIGHT.
SAT...NW WINDS AROUND 5 KT
BECOMING N LATE. WAVES 1 FT. A CHANCE
OF SHOWERS AND TSTMS.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-110800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
842 PM EDT FRI JUL 10 2026
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
AND TSTMS EARLY THIS EVENING, THEN SCATTERED SHOWERS WITH ISOLATED
TSTMS AFTER MIDNIGHT.
SAT...NW WINDS 5 TO 10 KT
BECOMING NE LATE. WAVES 1 FT. A CHANCE
OF SHOWERS AND TSTMS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
E WINDS 10 KT. WAVES 1 TO 2 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. WAVES 2 FT.
MON
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-110800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
842 PM EDT FRI JUL 10 2026
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
AND TSTMS EARLY THIS EVENING, THEN SCATTERED SHOWERS WITH ISOLATED
TSTMS AFTER MIDNIGHT.
SAT...W WINDS 5 TO 10 KT
BECOMING NE LATE. WAVES 1 FT. A CHANCE
OF SHOWERS AND TSTMS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
E WINDS 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT OR LESS.
WED
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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