571
FZUS51 KLWX 090859
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
459 AM 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.
ANZ500-092300-
459 AM 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.
ANZ535-092300-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
459 AM EDT THU JUL 9 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SCATTERED SHOWERS AND TSTMS.
TODAY
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS AND NUMEROUS
TSTMS.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
TSTMS.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
FRI NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND SCATTERED 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
E WINDS AROUND 5 KT. WAVES 1 FT.
MON
E WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-092300-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
459 AM EDT THU JUL 9 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SCATTERED SHOWERS AND TSTMS.
TODAY
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS AND NUMEROUS
TSTMS.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. NUMEROUS TSTMS AND
SCATTERED SHOWERS.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
FRI NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND SCATTERED TSTMS.
SAT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-092300-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
459 AM EDT THU JUL 9 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
ISOLATED SHOWERS AND TSTMS.
TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS TSTMS.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
AND TSTMS.
SAT
NW 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
E WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-092300-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
459 AM EDT THU JUL 9 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
ISOLATED SHOWERS AND TSTMS.
TODAY
S WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS AND NUMEROUS
TSTMS.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS AND
NUMEROUS TSTMS.
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. A CHANCE OF
SHOWERS.
SAT
N WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
SE WINDS AROUND 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-092300-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
459 AM EDT THU JUL 9 2026
REST OF THE OVERNIGHT
S WINDS 10 KT. WAVES 1 FT.
TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS
TSTMS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
SCATTERED TSTMS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
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.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-092300-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
459 AM EDT THU JUL 9 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES FLAT. ISOLATED SHOWERS
AND TSTMS.
TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS AND
NUMEROUS TSTMS.
TONIGHT
W WINDS 5 KT. WAVES FLAT. SHOWERS AND NUMEROUS TSTMS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SCATTERED SHOWERS AND
TSTMS.
FRI NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND SCATTERED TSTMS.
SAT
N WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-092300-
CHESTER RIVER TO QUEENSTOWN MD-
459 AM EDT THU JUL 9 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS AND NUMEROUS
TSTMS.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
AND SCATTERED TSTMS.
SAT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-092300-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
459 AM EDT THU JUL 9 2026
REST OF THE OVERNIGHT
S WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS
AND TSTMS.
TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING W LATE. WAVES 1 FT.
SHOWERS AND NUMEROUS TSTMS.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
AND SCATTERED TSTMS.
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.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-092300-
EASTERN BAY-
459 AM EDT THU JUL 9 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS
TSTMS.
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. A CHANCE OF
SHOWERS AND SCATTERED TSTMS.
SAT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-092300-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
459 AM EDT THU JUL 9 2026
REST OF THE OVERNIGHT
S WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS
AND TSTMS.
TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS
TSTMS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
SCATTERED 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
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-092300-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
459 AM EDT THU JUL 9 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
ISOLATED SHOWERS AND TSTMS.
TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS
TSTMS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
FRI NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
AND SCATTERED TSTMS.
SAT
NW 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
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-092300-
PATUXENT RIVER TO BROOMES ISLAND MD-
459 AM EDT THU JUL 9 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
ISOLATED SHOWERS AND TSTMS.
TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS AND NUMEROUS
TSTMS.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND SCATTERED TSTMS.
SAT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-092300-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
459 AM EDT THU JUL 9 2026
REST OF THE OVERNIGHT
S WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS
AND TSTMS.
TODAY
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND SCATTERED
TSTMS.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
W 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
E WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-092300-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
459 AM EDT THU JUL 9 2026
REST OF THE OVERNIGHT
S WINDS 10 KT. WAVES 1 FT.
TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND SCATTERED
TSTMS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
SCATTERED 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
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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