Tall Timbers, MD
08/21/2026 04:00 PM
79°F
TEMPERATURE
Winds 5 mph NE
Mostly Sunny
Mostly sunny, with a high near 81. Northeast wind around 5 mph.
Moonrise
04:47 PM
Moonset
01:01 AM
Sunrise
06:26 AM
Moon Phase
Waxing gibbous
Sunset
07:52 PM

Hourly Forecast

Fri, 04:00 PM

Mostly Sunny
Winds: 5 mph NE
79°

Fri, 05:00 PM

Partly Sunny
Winds: 5 mph NE
79°

Fri, 06:00 PM

Mostly Cloudy
Winds: 5 mph NE
80°

Fri, 07:00 PM

Mostly Cloudy
Winds: 3 mph E
79°

Fri, 08:00 PM

Mostly Cloudy
Winds: 3 mph E
78°

Fri, 09:00 PM

Mostly Cloudy
Winds: 3 mph E
77°

Fri, 10:00 PM

Mostly Cloudy
Winds: 3 mph E
76°

Fri, 11:00 PM

Scattered Rain Showers
Winds: 3 mph SE
76°

Sat, 12:00 AM

Scattered Rain Showers
Winds: 3 mph SE
76°

Sat, 01:00 AM

Scattered Rain Showers
Winds: 3 mph SE
76°

Sat, 02:00 AM

Widespread Showers And Thunderstorms
Winds: 5 mph SE
76°

Sat, 03:00 AM

Widespread Showers And Thunderstorms
Winds: 3 mph SE
75°

Sat, 04:00 AM

Widespread Showers And Thunderstorms
Winds: 5 mph SE
75°

Sat, 05:00 AM

Widespread Rain Showers
Winds: 5 mph SE
75°

Sat, 06:00 AM

Widespread Rain Showers
Winds: 5 mph E
74°

Sat, 07:00 AM

Widespread Rain Showers
Winds: 6 mph E
73°

Sat, 08:00 AM

Widespread Showers And Thunderstorms
Winds: 6 mph E
73°

Sat, 09:00 AM

Widespread Showers And Thunderstorms
Winds: 7 mph E
72°

Sat, 10:00 AM

Widespread Showers And Thunderstorms
Winds: 7 mph SE
73°

Sat, 11:00 AM

Widespread Showers And Thunderstorms
Winds: 8 mph SE
72°

Sat, 12:00 PM

Widespread Showers And Thunderstorms
Winds: 8 mph E
73°

Sat, 01:00 PM

Widespread Showers And Thunderstorms
Winds: 7 mph E
74°

Sat, 02:00 PM

Chance Showers And Thunderstorms
Winds: 7 mph NE
74°

Sat, 03:00 PM

Chance Showers And Thunderstorms
Winds: 7 mph E
75°

This Afternoon

Mostly Sunny
81°
Winds: 5 mph NE
Mostly sunny, with a high near 81. Northeast wind around 5 mph.

Tonight

Widespread Showers And Thunderstorms
72°
Winds: 5 mph E
Scattered rain showers between 11pm and 2am, then widespread showers and thunderstorms. Mostly cloudy, with a low around 72. East wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Widespread Showers And Thunderstorms
77°
Winds: 5 to 8 mph E
Widespread rain showers before 8am, then widespread showers and thunderstorms between 8am and 5pm, then isolated showers and thunderstorms. Cloudy, with a high near 77. East wind 5 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Saturday Night

Isolated Showers And Thunderstorms then Chance Showers And Thunderstorms
73°
Winds: 6 mph SE
Isolated showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 73. Southeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Sunday

Mostly Sunny
83°
Winds: 7 mph W
Mostly sunny, with a high near 83. West wind around 7 mph.

Sunday Night

Partly Cloudy
70°
Winds: 3 to 7 mph NW
Partly cloudy, with a low around 70.

Monday

Sunny
82°
Winds: 6 mph NW
Sunny, with a high near 82.

Monday Night

Mostly Clear
69°
Winds: 2 to 7 mph NW
Mostly clear, with a low around 69.

Tuesday

Sunny
82°
Winds: 6 mph N
Sunny, with a high near 82.

Tuesday Night

Mostly Clear
72°
Winds: 5 mph SE
Mostly clear, with a low around 72.

Wednesday

Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
84°
Winds: 3 to 10 mph S
A slight chance of rain showers between 8am and 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 20%.

Wednesday Night

Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
74°
Winds: 6 to 10 mph S
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.

Thursday

Showers And Thunderstorms Likely
84°
Winds: 7 mph SW
Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.

Thursday Night

Showers And Thunderstorms Likely
74°
Winds: 7 mph SW
Showers and thunderstorms likely. Mostly cloudy, with a low around 74.

Coastal Waters Forecast

National Weather Service Baltimore MD/Washington DC

FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY.

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. Weak areas of low pressure will traverse the waters during the weekend keeping stormy weather through Sunday. Weak high pressure builds over the waters for early next week bringing fair weather.

Tidal Potomac from Key Bridge to Indian Head

THIS AFTERNOON
NE winds 5 kt Waves less than 1 ft
TONIGHT
E winds around 5 kt Waves 1 ft or less Widespread showers
SAT
E winds around 5 kt Waves 1 ft Widespread showers Areas of fog
SAT NIGHT
SE winds around 5 kt Waves 1 ft or less Scattered showers
SUN
W winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NW winds 5 to 10 kt Waves 1 ft
MON
NW winds around 5 kt Waves 1 ft
TUE
SW winds around 5 kt Waves 1 ft or less
Reporting time 02:27 PM EDT Fri Aug 21 2026

Tidal Potomac from Indian Head to Cobb Island

THIS AFTERNOON
NE winds 5 kt Waves less than 1 ft Isolated showers
TONIGHT
SE winds around 5 kt Waves 1 ft Widespread showers
SAT
E winds around 5 kt Waves 1 ft Widespread showers Areas of fog
SAT NIGHT
SE winds around 5 kt Waves 1 ft Scattered showers
SUN
W winds around 5 kt Waves 1 ft
SUN NIGHT
NW winds around 5 kt Waves 1 ft
MON
NW winds around 5 kt Waves 1 ft
TUE
SW winds around 5 kt Waves 1 ft
Reporting time 02:27 PM EDT Fri Aug 21 2026

Tidal Potomac from Cobb Island to Smith Point

THIS AFTERNOON
NE winds 5 kt Waves less than 1 ft
TONIGHT
SE winds 5 kt Waves less than 1 ft Widespread showers
SAT
E winds 5 to 10 kt Waves 1 ft Widespread showers
SAT NIGHT
S winds around 5 kt Waves 1 ft Numerous showers
SUN
W winds 5 kt Waves less than 1 ft
SUN NIGHT
NW winds 5 to 10 kt Waves 1 ft
MON
NW winds 5 to 10 kt Waves 1 ft or less
TUE
NE winds around 5 kt Waves 1 ft or less
Reporting time 02:27 PM EDT Fri Aug 21 2026

Chesapeake Bay north of Pooles Island

THIS AFTERNOON
NE winds around 5 kt Waves 1 ft
TONIGHT
SE winds around 5 kt Waves 1 ft or less Scattered showers
SAT
E winds 5 kt Waves less than 1 ft Widespread showers
SAT NIGHT
E winds around 5 kt Waves 1 ft Scattered showers
SUN
W winds 5 to 10 kt Waves 1 ft
SUN NIGHT
W winds 5 to 10 kt Waves 1 ft
MON
NW winds 5 to 10 kt Waves 1 ft
TUE
W winds around 5 kt Waves 1 ft or less
Reporting time 02:27 PM EDT Fri Aug 21 2026

Chesapeake Bay from Pooles Island to Sandy Point

THIS AFTERNOON
NE winds 5 kt Waves less than 1 ft
TONIGHT
SE winds around 5 kt Waves flat Scattered showers
SAT
E winds 5 to 10 kt Waves 1 ft Widespread showers
SAT NIGHT
SE winds 5 to 10 kt Waves 1 ft Scattered showers
SUN
W winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NW winds 5 to 10 kt Waves 1 ft
MON
NW winds 5 to 10 kt Waves 1 ft
TUE
NW winds 5 to 10 kt
Reporting time 02:27 PM EDT Fri Aug 21 2026

Patapsco River including Baltimore Harbor

THIS AFTERNOON
E winds 5 kt Waves flat
TONIGHT
SE winds around 5 kt Waves flat Numerous showers
SAT
E winds 5 to 10 kt Waves 1 ft Widespread showers
SAT NIGHT
SE winds around 5 kt Waves 1 ft or less Scattered showers
SUN
W winds 5 to 10 kt Waves 1 ft
SUN NIGHT
W winds 5 to 10 kt Waves 1 ft or less
MON
NW winds 5 to 10 kt Waves 1 ft or less
TUE
W winds around 5 kt Waves flat
Reporting time 02:27 PM EDT Fri Aug 21 2026

Chester River to Queenstown MD

THIS AFTERNOON
N winds 5 kt Waves less than 1 ft
TONIGHT
E winds around 5 kt Waves flat Scattered showers
SAT
E winds 5 kt Waves less than 1 ft Widespread showers
SAT NIGHT
SE winds around 5 kt Waves 1 ft or less Scattered showers
SUN
W winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NW winds 5 to 10 kt Waves 1 ft
MON
NW winds 5 kt Waves less than 1 ft
TUE
W winds around 5 kt Waves 1 ft or less
Reporting time 02:27 PM EDT Fri Aug 21 2026

Chesapeake Bay from Sandy Point to North Beach

THIS AFTERNOON
NE winds 5 kt Waves less than 1 ft
TONIGHT
E winds around 5 kt Waves 1 ft Numerous showers
SAT
E winds 5 to 10 kt Waves 1 ft Widespread showers
SAT NIGHT
SE winds 5 to 10 kt Waves 1 ft Scattered showers
SUN
W winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NW winds 5 to 10 kt Waves 1 ft
MON
NW winds 5 to 10 kt Waves 1 ft
TUE
NW winds 5 to 10 kt
Reporting time 02:27 PM EDT Fri Aug 21 2026

Eastern Bay

THIS AFTERNOON
N winds 5 kt Waves less than 1 ft
TONIGHT
E winds around 5 kt Waves flat Scattered showers
SAT
E winds 5 to 10 kt Waves 1 ft Widespread showers
SAT NIGHT
SE winds around 5 kt Waves 1 ft or less Scattered showers
SUN
W winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NW winds 5 to 10 kt Waves 1 ft
MON
NW winds 5 kt Waves less than 1 ft
TUE
W winds around 5 kt Waves 1 ft or less
Reporting time 02:27 PM EDT Fri Aug 21 2026

Chesapeake Bay from North Beach to Drum Point

THIS AFTERNOON
N winds 5 kt Waves less than 1 ft
TONIGHT
E winds around 5 kt Waves 1 ft Numerous showers
SAT
E winds 5 to 10 kt Waves 1 ft Widespread showers
SAT NIGHT
SE winds 5 kt Waves less than 1 ft Scattered showers
SUN
W winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NW winds 5 to 10 kt Waves 1 ft
MON
NW winds 5 to 10 kt Waves 1 ft
TUE
NW winds 5 to 10 kt
Reporting time 02:27 PM EDT Fri Aug 21 2026

Choptank River to Cambridge MD and the Little Choptank River

THIS AFTERNOON
N winds 5 kt Waves less than 1 ft
TONIGHT
E winds around 5 kt Waves 1 ft or less Numerous showers
SAT
E winds 5 to 10 kt Waves 1 ft Widespread showers
SAT NIGHT
SE winds around 5 kt Waves 1 ft or less Scattered showers
SUN
W winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NW winds 5 to 10 kt Waves 1 ft
MON
NW winds 5 to 10 kt Waves 1 ft
TUE
NW winds 5 to 10 kt
Reporting time 02:27 PM EDT Fri Aug 21 2026

Patuxent River to Broomes Island MD

THIS AFTERNOON
NE winds 5 kt Waves less than 1 ft
TONIGHT
E winds around 5 kt Waves 1 ft Widespread showers
SAT
E winds 5 to 10 kt Waves 1 ft Widespread showers
SAT NIGHT
S winds around 5 kt Waves 1 ft Scattered showers
SUN
W winds around 5 kt Waves 1 ft
SUN NIGHT
NW winds around 5 kt Waves 1 ft
MON
NW winds around 5 kt Waves 1 ft
TUE
SW winds around 5 kt Waves 1 ft
Reporting time 02:27 PM EDT Fri Aug 21 2026

Chesapeake Bay from Drum Point to Smith Point

THIS AFTERNOON
N winds 5 kt Waves less than 1 ft
TONIGHT
E winds 5 to 10 kt Waves 1 ft Numerous showers
SAT
E winds 5 to 10 kt Waves 2 ft Widespread showers
SAT NIGHT
SE winds 5 to 10 kt
SUN
W winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NW winds 5 to 10 kt Waves 1 ft
MON
NW winds 5 to 10 kt Waves 1 ft
TUE
N winds 5 to 10 kt
Reporting time 02:27 PM EDT Fri Aug 21 2026

Tangier Sound and the inland waters surrounding Bloodsworth Island

THIS AFTERNOON
N winds 5 kt Waves less than 1 ft
TONIGHT
E winds 5 to 10 kt Waves 1 ft Numerous showers
SAT
E winds 5 to 10 kt Waves 1 ft Widespread showers
SAT NIGHT
SE winds 5 to 10 kt
SUN
W winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NW winds 5 to 10 kt Waves 1 ft
MON
NW winds 5 to 10 kt Waves 1 ft or less
TUE
NW winds 5 to 10 kt
Reporting time 02:27 PM EDT Fri Aug 21 2026
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