416
FZUS51 KLWX 090628
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 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.
ANZ500-092000-
227 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.
SPECIAL MARINE WARNINGS MAY BE NEEDED FOR STRONG TO SEVERE
THUNDERSTORMS THURSDAY THROUGH SATURDAY.
ANZ535-092000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
227 AM EDT THU JUL 9 2026
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS
AND TSTMS.
THU
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
THU NIGHT
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 OR LESS.
MON
E WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-092000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
227 AM EDT THU JUL 9 2026
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS
AND TSTMS.
THU
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
THU NIGHT
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.
ANZ537-092000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
227 AM EDT THU JUL 9 2026
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
THU NIGHT
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.
ANZ530-092000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
227 AM EDT THU JUL 9 2026
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS
AND TSTMS.
THU
S WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS AND NUMEROUS
TSTMS.
THU NIGHT
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.
ANZ531-092000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
227 AM EDT THU JUL 9 2026
OVERNIGHT
S WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS AND TSTMS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
THU NIGHT
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.
ANZ538-092000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
227 AM EDT THU JUL 9 2026
OVERNIGHT
S WINDS 5 KT. WAVES FLAT. ISOLATED SHOWERS AND TSTMS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS AND NUMEROUS
TSTMS.
THU NIGHT
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.
ANZ539-092000-
CHESTER RIVER TO QUEENSTOWN MD-
227 AM EDT THU JUL 9 2026
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS
AND TSTMS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
THU NIGHT
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.
ANZ532-092000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
227 AM EDT THU JUL 9 2026
OVERNIGHT
S WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS AND TSTMS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
THU NIGHT...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.
ANZ540-092000-
EASTERN BAY-
227 AM EDT THU JUL 9 2026
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS
AND TSTMS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
THU NIGHT
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.
ANZ533-092000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
227 AM EDT THU JUL 9 2026
OVERNIGHT
S WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS AND TSTMS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
THU NIGHT
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.
ANZ541-092000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
227 AM EDT THU JUL 9 2026
OVERNIGHT
S WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS AND TSTMS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
THU NIGHT
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.
ANZ542-092000-
PATUXENT RIVER TO BROOMES ISLAND MD-
227 AM EDT THU JUL 9 2026
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS TSTMS.
THU NIGHT
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.
ANZ534-092000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
227 AM EDT THU JUL 9 2026
OVERNIGHT
S WINDS 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND NUMEROUS
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.
ANZ543-092000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
227 AM EDT THU JUL 9 2026
OVERNIGHT
S WINDS 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
THU NIGHT
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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