460
FZUS51 KLWX 101828
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
228 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-
228 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-
228 PM EDT FRI JUL 10 2026
THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
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.
TUE
SW WINDS AROUND 5 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-
228 PM EDT FRI JUL 10 2026
THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
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
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-110800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
228 PM EDT FRI JUL 10 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS.
TONIGHT
W WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
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
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-110800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
228 PM EDT FRI JUL 10 2026
THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS
SHOWERS WITH ISOLATED TSTMS.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
E WINDS 5 KT. WAVES FLAT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SW 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-
228 PM EDT FRI JUL 10 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS
SHOWERS WITH ISOLATED TSTMS.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SW 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-
228 PM EDT FRI JUL 10 2026
THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS
SHOWERS WITH ISOLATED TSTMS.
TONIGHT
W WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
SAT NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-110800-
CHESTER RIVER TO QUEENSTOWN MD-
228 PM EDT FRI JUL 10 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW 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-
228 PM EDT FRI JUL 10 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-110800-
EASTERN BAY-
228 PM EDT FRI JUL 10 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
SAT NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW 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-
228 PM EDT FRI JUL 10 2026
THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS.
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW 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-
228 PM EDT FRI JUL 10 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS.
TONIGHT
SW WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
SAT NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SW 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-
228 PM EDT FRI JUL 10 2026
THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
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.
TUE
SW WINDS AROUND 5 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-
228 PM EDT FRI JUL 10 2026
THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT...NW WINDS 5 TO 10 KT
BECOMING NE LATE. WAVES 1 FT. NUMEROUS
SHOWERS AND SCATTERED TSTMS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. WAVES 2 FT.
MON
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
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-
228 PM EDT FRI JUL 10 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS.
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
SAT...NW WINDS 5 TO 10 KT
BECOMING NE LATE. WAVES 1 FT. NUMEROUS
SHOWERS AND SCATTERED TSTMS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
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.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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