954
FZUS51 KLWX 092359
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
758 PM EDT THU JUL 9 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.
ANZ500-100800-
758 PM EDT THU JUL 9 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A FRONTAL ZONE WILL MEANDER ABOUT THE MID-ATLANTIC THROUGH FRIDAY.
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.
ANZ535-100800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
759 PM EDT THU JUL 9 2026
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. NUMEROUS SHOWERS
AND SCATTERED TSTMS THIS EVENING.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
FRI NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS AND TSTMS.
SAT
NW WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT.
SUN
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
E 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.
ANZ536-100800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
759 PM EDT THU JUL 9 2026
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS THIS EVENING.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
FRI NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
SAT
NW WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-100800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
759 PM EDT THU JUL 9 2026
...SEVERE THUNDERSTORM WATCH 474 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND TSTMS THIS
EVENING.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
SW WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS AND TSTMS.
SAT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...NE WINDS AROUND 5 KT
BECOMING S. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-100800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
759 PM EDT THU JUL 9 2026
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS THIS EVENING.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS.
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.
SUN
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
SE WINDS AROUND 5 KT. WAVES FLAT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-100800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
759 PM EDT THU JUL 9 2026
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS THIS EVENING.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS.
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.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-100800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
759 PM EDT THU JUL 9 2026
TONIGHT
W WINDS 5 KT. WAVES FLAT. NUMEROUS SHOWERS AND SCATTERED
TSTMS THIS EVENING.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS.
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.
SUN
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-100800-
CHESTER RIVER TO QUEENSTOWN MD-
759 PM EDT THU JUL 9 2026
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS THIS EVENING.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS AND TSTMS.
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.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-100800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
759 PM EDT THU JUL 9 2026
...SEVERE THUNDERSTORM WATCH 474 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING W AFTER MIDNIGHT. WAVES
1 FT. SHOWERS AND SCATTERED TSTMS THIS EVENING.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS AND TSTMS.
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.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-100800-
EASTERN BAY-
759 PM EDT THU JUL 9 2026
...SEVERE THUNDERSTORM WATCH 474 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS AND
SCATTERED TSTMS THIS EVENING.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS AND TSTMS.
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.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-100800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
759 PM EDT THU JUL 9 2026
...SEVERE THUNDERSTORM WATCH 474 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING W AFTER MIDNIGHT. WAVES
1 FT. SHOWERS AND SCATTERED TSTMS THIS EVENING.
FRI...W WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
AND TSTMS.
SAT
N WINDS 5 TO 10 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
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
TUE...NW WINDS AROUND 5 KT
BECOMING S. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-100800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
759 PM EDT THU JUL 9 2026
...SEVERE THUNDERSTORM WATCH 474 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING W LATE. WAVES 1 FT.
SHOWERS AND SCATTERED TSTMS THIS EVENING.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS AND TSTMS.
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. A CHANCE OF SHOWERS
AND TSTMS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-100800-
PATUXENT RIVER TO BROOMES ISLAND MD-
759 PM EDT THU JUL 9 2026
...SEVERE THUNDERSTORM WATCH 474 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS AND TSTMS
THIS EVENING.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SAT NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-100800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
759 PM EDT THU JUL 9 2026
...SEVERE THUNDERSTORM WATCH 474 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND TSTMS THIS
EVENING.
FRI...W WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...NE WINDS 5 KT
BECOMING SE IN THE AFTERNOON AND EVENING,
THEN BECOMING SW AFTER MIDNIGHT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-100800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
759 PM EDT THU JUL 9 2026
...SEVERE THUNDERSTORM WATCH 474 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...
TONIGHT
SW WINDS 10 KT. WAVES 1 FT. SHOWERS AND TSTMS, MAINLY
THIS EVENING.
FRI...W WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
SAT
NW WINDS 5 TO 10 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
NE WINDS 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...NE WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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