108
FZUS51 KLWX 091158
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
757 AM EDT SUN AUG 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-
757 AM EDT SUN AUG 9 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BE PERSISTENT OFF THE EAST COAST INTO THE MIDDLE
OF NEXT WEEK. SHOWER AND THUNDERSTORM CHANCES TAKE A BRIEF REPRIEVE
TODAY BEFORE RETURNING MONDAY INTO MUCH OF THE UPCOMING WEEK. GUSTY
WINDS AND FREQUENT CLOUD TO GROUND LIGHTNING WILL BE THE PRIMARY
THREATS WITH ANY STORMS. SPECIAL MARINE WARNINGS WILL BE A
POSSIBILITY EACH DAY MONDAY THROUGH FRIDAY.
ANZ535-092000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
757 AM EDT SUN AUG 9 2026
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
W WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-092000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
757 AM EDT SUN AUG 9 2026
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
W WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
W WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY.
TUE NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
AFTERNOON. A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
THU
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-092000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
757 AM EDT SUN AUG 9 2026
TODAY...W WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT OR LESS.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY.
TUE NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-092000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
757 AM EDT SUN AUG 9 2026
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
TUE
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-092000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
757 AM EDT SUN AUG 9 2026
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON...W WINDS AROUND 5 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 FT OR LESS.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-092000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
757 AM EDT SUN AUG 9 2026
TODAY
W WINDS 5 KT. WAVES FLAT.
TONIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
MON
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
TUE
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
W WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-092000-
CHESTER RIVER TO QUEENSTOWN MD-
757 AM EDT SUN AUG 9 2026
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
MON
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-092000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
757 AM EDT SUN AUG 9 2026
TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON...W WINDS 5 KT
BECOMING S IN THE AFTERNOON. WAVES 1 FT OR
LESS.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-092000-
EASTERN BAY-
757 AM EDT SUN AUG 9 2026
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS IN
THE AFTERNOON. A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-092000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
757 AM EDT SUN AUG 9 2026
TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
AFTERNOON. A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-092000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
757 AM EDT SUN AUG 9 2026
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-092000-
PATUXENT RIVER TO BROOMES ISLAND MD-
757 AM EDT SUN AUG 9 2026
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
W WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY.
TUE NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS IN
THE AFTERNOON. A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
THU
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-092000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
757 AM EDT SUN AUG 9 2026
TODAY...SW WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 TO 2 FT.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
ANZ543-092000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
757 AM EDT SUN AUG 9 2026
TODAY
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
AFTERNOON.
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