802
FZUS51 KLWX 280257
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1057 PM EDT THU AUG 27 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.
ANZ500-280800-
1057 PM EDT THU AUG 27 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT WILL APPROACH FROM THE NORTHWEST THIS AFTERNOON AND
EVENTUALLY PASS TO THE SOUTHEAST BY EARLY SATURDAY. HIGH PRESSURE
WILL BUILD NORTH OF THE AREA THIS WEEKEND. THERE IS THE POTENTIAL
FOR SOME GUSTY THUNDERSTORMS IN THE AFTERNOON AND EVENING TODAY, AND
AGAIN ON FRIDAY, WHICH MAY NECESSITATE SPECIAL MARINE WARNINGS.
ANZ535-280800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1057 PM EDT THU AUG 27 2026
REST OF TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
NUMEROUS SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING, THEN
SCATTERED SHOWERS.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT.
SAT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
MON
SW 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.
ANZ536-280800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1057 PM EDT THU AUG 27 2026
REST OF TONIGHT...S WINDS 10 KT
BECOMING SW. WAVES 1 FT.
SCATTERED SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING, THEN
SCATTERED SHOWERS.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
NE WINDS AROUND 5 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
SW 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.
ANZ537-280800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1057 PM EDT THU AUG 27 2026
REST OF TONIGHT...S WINDS 10 KT
BECOMING SW. WAVES 1 FT. ISOLATED
SHOWERS.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
FRI NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS AROUND 5 KT. WAVES 1 FT.
TUE...W WINDS AROUND 5 KT
BECOMING S. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-280800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1057 PM EDT THU AUG 27 2026
REST OF TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS
SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING, THEN SCATTERED
SHOWERS WITH ISOLATED TSTMS.
FRI
N WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 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.
ANZ531-280800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1057 PM EDT THU AUG 27 2026
REST OF TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. ISOLATED TSTMS.
SCATTERED SHOWERS.
FRI
N WINDS 5 KT. WAVES FLAT.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-280800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1057 PM EDT THU AUG 27 2026
REST OF TONIGHT...S WINDS 15 KT WITH GUSTS TO 20 KT
BECOMING W
5 KT. WAVES 1 FT OR LESS. ISOLATED TSTMS. NUMEROUS SHOWERS LATE THIS
EVENING, THEN SCATTERED SHOWERS.
FRI
N WINDS AROUND 5 KT. WAVES FLAT.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
SAT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW 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.
ANZ539-280800-
CHESTER RIVER TO QUEENSTOWN MD-
1057 PM EDT THU AUG 27 2026
REST OF TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS.
FRI
NW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-280800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1057 PM EDT THU AUG 27 2026
REST OF TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. ISOLATED
TSTMS. SCATTERED SHOWERS LATE THIS EVENING, THEN NUMEROUS SHOWERS.
FRI
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 2 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-280800-
EASTERN BAY-
1057 PM EDT THU AUG 27 2026
REST OF TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS
WITH ISOLATED TSTMS.
FRI
NW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS 5 KT. WAVES FLAT.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-280800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1057 PM EDT THU AUG 27 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. ISOLATED
SHOWERS LATE THIS EVENING, THEN SCATTERED SHOWERS WITH ISOLATED
TSTMS.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-280800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1057 PM EDT THU AUG 27 2026
REST OF TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED
SHOWERS. ISOLATED TSTMS.
FRI
NW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-280800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1057 PM EDT THU AUG 27 2026
REST OF TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED
SHOWERS LATE THIS EVENING, THEN SCATTERED SHOWERS WITH ISOLATED
TSTMS.
FRI
N WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW 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.
ANZ534-280800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1057 PM EDT THU AUG 27 2026
REST OF TONIGHT...SE WINDS 10 KT
BECOMING SW. WAVES 1 TO 2 FT.
ISOLATED SHOWERS LATE THIS EVENING, THEN SCATTERED SHOWERS WITH
ISOLATED TSTMS.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
FRI NIGHT...SE WINDS 5 KT
BECOMING N LATE. WAVES 1 FT. A CHANCE
OF SHOWERS AND TSTMS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 2 FT.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...SW WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-280800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1057 PM EDT THU AUG 27 2026
REST OF TONIGHT...S WINDS 10 KT
BECOMING SW LATE. WAVES 1 FT.
ISOLATED SHOWERS LATE THIS EVENING, THEN ISOLATED SHOWERS AND TSTMS.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
FRI NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 10 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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