418
FZUS51 KLWX 111828
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
228 PM EDT THU JUN 11 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.
ANZ500-120800-
228 PM EDT THU JUN 11 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A SURFACE TROUGH WILL LINGER NEAR THE CHESAPEAKE BAY TODAY.
SCATTERED SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND EVENING, A
FEW OF WHICH COULD BRING DAMAGING WINDS GUSTS. A COLD FRONT BRINGS
POTENTIAL FOR MORE WIDESPREAD SEVERE THUNDERSTORMS FRIDAY INTO
FRIDAY NIGHT. SMALL CRAFT ADVISORIES MAY BE NEEDED IN THE WAKE OF
THE FRONT FRIDAY NIGHT INTO SATURDAY MORNING, AND THEN AGAIN IN
SOUTHERLY CHANNELING ON SUNDAY. GUSTY WINDS AND RAIN CHANCES COULD
RETURN SUNDAY AFTERNOON.
ANZ535-120800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
228 PM EDT THU JUN 11 2026
THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED
SHOWERS AND TSTMS.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS AND TSTMS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND TSTMS.
FRI NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS AND TSTMS.
SAT
NW WINDS AROUND 5 KT. WAVES 1 FT.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
SUN...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS THROUGH THE NIGHT. A CHANCE OF
SHOWERS AND TSTMS AFTER MIDNIGHT.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-120800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
228 PM EDT THU JUN 11 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED
TSTMS.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND TSTMS.
SAT
NW WINDS AROUND 5 KT. WAVES 1 FT.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS THROUGH THE NIGHT. A CHANCE OF
SHOWERS AND TSTMS AFTER MIDNIGHT.
MON...NW WINDS 5 TO 10 KT
BECOMING E. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-120800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
228 PM EDT THU JUN 11 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED
SHOWERS AND TSTMS.
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
AND TSTMS.
FRI
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN...S WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON...NW WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT OR LESS. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-120800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
228 PM EDT THU JUN 11 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT. WAVES 1 FT. ISOLATED SHOWERS
AND TSTMS.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND TSTMS LIKELY.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
SUN...S WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON. SHOWERS
LIKELY WITH A CHANCE OF TSTMS THROUGH THE NIGHT.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-120800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
228 PM EDT THU JUN 11 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. WAVES 1 FT. ISOLATED SHOWERS
AND TSTMS.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND TSTMS LIKELY.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND TSTMS.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
SUN...S WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 TO
2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-120800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
228 PM EDT THU JUN 11 2026
THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED
SHOWERS AND TSTMS.
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
AND TSTMS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS AND TSTMS
LIKELY.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND TSTMS.
SAT
NW WINDS 5 KT. WAVES FLAT.
SAT NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
SUN...S WINDS 10 TO 15 KT
BECOMING NW 5 KT AFTER MIDNIGHT. WAVES
1 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-120800-
CHESTER RIVER TO QUEENSTOWN MD-
228 PM EDT THU JUN 11 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED
SHOWERS AND TSTMS.
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
AND TSTMS.
FRI
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND TSTMS.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
SUN...S WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-120800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
228 PM EDT THU JUN 11 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED
SHOWERS AND TSTMS.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF TSTMS.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND TSTMS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN...S WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT. WAVES
1 FT...BUILDING TO 3 FT IN THE AFTERNOON AND EVENING, THEN SUBSIDING
TO 1 FT AFTER MIDNIGHT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON...NW WINDS 5 TO 10 KT
BECOMING W. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-120800-
EASTERN BAY-
228 PM EDT THU JUN 11 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED
SHOWERS AND TSTMS.
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
AND TSTMS.
FRI
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF TSTMS.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND TSTMS.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
SUN...S WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON...NW WINDS 5 TO 10 KT
BECOMING W. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-120800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
228 PM EDT THU JUN 11 2026
THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED
SHOWERS AND TSTMS.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN...S WINDS 5 TO 10 KT
INCREASING TO 15 TO 20 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING NW 10 KT AFTER MIDNIGHT. WAVES
1 FT...BUILDING TO 3 FT IN THE AFTERNOON AND EVENING, THEN SUBSIDING
TO 1 FT AFTER MIDNIGHT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON...NW WINDS 10 TO 15 KT...BECOMING W 5 KT. WAVES 1 TO 2 FT
SUBSIDING TO FLAT AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-120800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
228 PM EDT THU JUN 11 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED
SHOWERS AND TSTMS.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS AND TSTMS.
FRI
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND TSTMS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN...S WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 TO
2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON...NW WINDS 10 TO 15 KT
BECOMING W AROUND 5 KT. WAVES 1 FT OR
LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-120800-
PATUXENT RIVER TO BROOMES ISLAND MD-
228 PM EDT THU JUN 11 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
SUN...S WINDS 5 TO 10 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON...NW WINDS 5 TO 10 KT
BECOMING W. WAVES 1 FT. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-120800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
228 PM EDT THU JUN 11 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT. WAVES 1 FT. ISOLATED SHOWERS
AND TSTMS.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SHOWERS AND TSTMS
LIKELY.
SAT
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...S WINDS 10 TO 15 KT...BECOMING W AFTER MIDNIGHT. WAVES 1 FT
BUILDING TO 2 TO 3 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON...N WINDS 10 TO 15 KT
BECOMING S 5 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-120800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
228 PM EDT THU JUN 11 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND TSTMS
LIKELY.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN...S WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON. SHOWERS LIKELY
WITH A CHANCE OF TSTMS THROUGH THE NIGHT.
MON...NW WINDS 10 TO 15 KT
BECOMING S 5 KT. WAVES 1 FT OR LESS. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page