971
FZUS51 KLWX 030627
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EDT THU SEP 3 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.
ANZ500-032000-
227 AM EDT THU SEP 3 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH
FRIDAY IN A HOT AND HUMID AIR MASS. SPECIAL MARINE WARNINGS MAY BE
NEEDED EACH AFTERNOON THROUGH AT LEAST FRIDAY FOR STRONG
THUNDERSTORMS MOVING OVER THE WATERS. SMALL CRAFT ADVISORIES MAY BE
NEEDED FRIDAY NIGHT THROUGH SATURDAY NIGHT.
ANZ535-032000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
227 AM EDT THU SEP 3 2026
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS
AND TSTMS.
THU
SW WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-032000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
227 AM EDT THU SEP 3 2026
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS
AND TSTMS.
THU
SW WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
THU NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
FRI NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-032000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
227 AM EDT THU SEP 3 2026
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS
AND TSTMS.
THU
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND
TSTMS.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
FRI
W WINDS 5 TO 10 KT. WAVES FLAT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-032000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
227 AM EDT THU SEP 3 2026
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
WITH ISOLATED TSTMS.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-032000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
227 AM EDT THU SEP 3 2026
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
WITH ISOLATED TSTMS.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
N WINDS 10 KT. WAVES 1 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON...E WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-032000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
227 AM EDT THU SEP 3 2026
OVERNIGHT
S WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS WITH
ISOLATED TSTMS.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
THU NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
NE 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.
ANZ539-032000-
CHESTER RIVER TO QUEENSTOWN MD-
227 AM EDT THU SEP 3 2026
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
WITH ISOLATED TSTMS.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
N WINDS 10 KT. WAVES 1 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE 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.
ANZ532-032000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
227 AM EDT THU SEP 3 2026
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS
AND TSTMS.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...NE WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT. WAVES 1 TO
2 FT.
MON...E WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-032000-
EASTERN BAY-
227 AM EDT THU SEP 3 2026
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS
AND TSTMS.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS.
SAT
N WINDS 10 KT. WAVES 1 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON...NE WINDS AROUND 5 KT
BECOMING S. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-032000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
227 AM EDT THU SEP 3 2026
OVERNIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. ISOLATED SHOWERS AND
TSTMS.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
N WINDS 5 TO 10 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...NE WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT. WAVES 1 TO
2 FT.
MON...E WINDS 5 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-032000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
227 AM EDT THU SEP 3 2026
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS
AND TSTMS.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
FRI
W WINDS 5 TO 10 KT. WAVES FLAT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS.
SAT
N WINDS 10 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...NE WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT. WAVES 1 FT.
MON...NE WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-032000-
PATUXENT RIVER TO BROOMES ISLAND MD-
227 AM EDT THU SEP 3 2026
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS
AND TSTMS.
THU
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND
TSTMS.
THU NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-032000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
227 AM EDT THU SEP 3 2026
OVERNIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. ISOLATED SHOWERS AND
TSTMS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
FRI NIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
WAVES 1 FT. SCATTERED SHOWERS.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...NE WINDS 10 TO 15 KT
BECOMING E. WAVES 2 FT.
MON...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 TO
2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-032000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
227 AM EDT THU SEP 3 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. SCATTERED SHOWERS AND TSTMS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
FRI NIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
WAVES 1 FT. NUMEROUS SHOWERS.
SAT
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE OF
SHOWERS.
SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...NE WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 FT.
MON...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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