Tall Timbers, MD
08/17/2026 10:00 AM
79°F
TEMPERATURE
Winds 9 mph W
Mostly Sunny
Mostly sunny, with a high near 86. West wind 6 to 9 mph.
Moonrise
12:42 PM
Moonset
11:18 PM
Sunrise
06:22 AM
Moon Phase
Waxing crescent
Sunset
07:58 PM

Hourly Forecast

Mon, 10:00 AM

Mostly Sunny
Winds: 9 mph W
79°

Mon, 11:00 AM

Mostly Sunny
Winds: 9 mph W
79°

Mon, 12:00 PM

Sunny
Winds: 9 mph W
81°

Mon, 01:00 PM

Mostly Sunny
Winds: 9 mph W
83°

Mon, 02:00 PM

Mostly Sunny
Winds: 9 mph W
83°

Mon, 03:00 PM

Mostly Sunny
Winds: 8 mph W
86°

Mon, 04:00 PM

Sunny
Winds: 7 mph W
86°

Mon, 05:00 PM

Sunny
Winds: 6 mph W
86°

Mon, 06:00 PM

Slight Chance Showers And Thunderstorms
Winds: 5 mph NW
86°

Mon, 07:00 PM

Partly Cloudy
Winds: 3 mph NW
85°

Mon, 08:00 PM

Slight Chance Showers And Thunderstorms
Winds: 2 mph N
84°

Mon, 09:00 PM

Chance Showers And Thunderstorms
Winds: 3 mph W
83°

Mon, 10:00 PM

Chance Showers And Thunderstorms
Winds: 3 mph W
82°

Mon, 11:00 PM

Chance Rain Showers
Winds: 3 mph W
82°

Tue, 12:00 AM

Chance Rain Showers
Winds: 3 mph W
80°

Tue, 01:00 AM

Chance Rain Showers
Winds: 3 mph W
80°

Tue, 02:00 AM

Slight Chance Rain Showers
Winds: 5 mph W
80°

Tue, 03:00 AM

Slight Chance Rain Showers
Winds: 5 mph W
79°

Tue, 04:00 AM

Slight Chance Rain Showers
Winds: 5 mph NW
79°

Tue, 05:00 AM

Slight Chance Rain Showers
Winds: 6 mph NW
79°

Tue, 06:00 AM

Partly Sunny
Winds: 6 mph NW
78°

Tue, 07:00 AM

Slight Chance Rain Showers
Winds: 6 mph NW
78°

Tue, 08:00 AM

Mostly Sunny
Winds: 7 mph N
77°

Tue, 09:00 AM

Mostly Sunny
Winds: 7 mph NW
78°

Today

Mostly Sunny
86°
Winds: 6 to 9 mph W
Mostly sunny, with a high near 86. West wind 6 to 9 mph.

Tonight

Chance Showers And Thunderstorms
77°
Winds: 2 to 6 mph NW
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Northwest wind 2 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

Slight Chance Rain Showers then Mostly Sunny
84°
Winds: 8 mph N
A slight chance of rain showers between 7am and 8am. Mostly sunny, with a high near 84. North wind around 8 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Tuesday Night

Mostly Clear
75°
Winds: 5 mph N
Mostly clear, with a low around 75. North wind around 5 mph.

Wednesday

Sunny
85°
Winds: 5 mph W
Sunny, with a high near 85. West wind around 5 mph.

Wednesday Night

Mostly Clear
77°
Winds: 6 mph S
Mostly clear, with a low around 77.

Thursday

Mostly Sunny then Showers And Thunderstorms Likely
85°
Winds: 7 mph S
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 70%.

Thursday Night

Showers And Thunderstorms Likely
74°
Winds: 7 mph N
Showers and thunderstorms likely. Mostly cloudy, with a low around 74. Chance of precipitation is 70%.

Friday

Showers And Thunderstorms Likely
82°
Winds: 7 mph NE
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

Friday Night

Showers And Thunderstorms Likely
73°
Winds: 6 mph E
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 70%.

Saturday

Rain Showers Likely
82°
Winds: 7 mph W
Rain showers likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

Saturday Night

Showers And Thunderstorms Likely
73°
Winds: 7 mph SW
Rain showers likely before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

Sunday

Chance Rain Showers
82°
Winds: 6 mph W
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%.

Sunday Night

Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
71°
Winds: 6 mph W
A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 71.

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. A cold front approaching from the upper Ohio River Valley will cross the region by tonight. High pressure will build in from the Midwest Tuesday. Another cold front will approach from the west late Wednesday into Thursday, then linger into Friday.

Tidal Potomac from Key Bridge to Indian Head

TODAY
W winds 5 to 10 kt Waves 1 ft A slight chance of showers and tstms this afternoon
TONIGHT
NW winds around 5 kt Waves 1 ft
TUE
N winds 5 kt Waves less than 1 ft
TUE NIGHT
NW winds around 5 kt Waves 1 ft
WED
W winds around 5 kt Waves 1 ft
WED NIGHT
SW winds around 5 kt Waves 1 ft or less
THU
N winds around 5 kt Waves 1 ft Showers likely with a chance of tstms through the night Showers likely after midnight
FRI
NE winds around 5 kt Waves 1 ft A chance of showers in the morning Showers likely A chance of tstms through the night
Reporting time 07:59 AM EDT Mon Aug 17 2026

Tidal Potomac from Indian Head to Cobb Island

TODAY
W winds 5 to 10 kt Waves 1 ft A slight chance of showers and tstms this afternoon
TONIGHT
NW winds around 5 kt Waves 1 ft A chance of showers
TUE
N winds 5 kt Waves less than 1 ft
TUE NIGHT
NW winds around 5 kt Waves 1 ft
WED
W winds around 5 kt Waves 1 ft
WED NIGHT
SW winds around 5 kt Waves 1 ft
THU
N winds around 5 kt Waves 1 ft Showers likely with a chance of tstms through the night Showers likely after midnight
FRI
NE winds around 5 kt Waves 1 ft A chance of showers in the morning Showers likely A chance of tstms through the night
Reporting time 07:59 AM EDT Mon Aug 17 2026

Tidal Potomac from Cobb Island to Smith Point

TODAY
W winds 5 to 10 kt Waves 1 ft
TONIGHT
W winds around 5 kt Waves 1 ft or less A chance of showers
TUE
N winds 5 to 10 kt Waves 1 ft
TUE NIGHT
N winds around 5 kt Waves 1 ft or less
WED
W winds around 5 kt Waves flat
WED NIGHT
S winds 5 to 10 kt Waves 1 ft
THU
S winds 5 kt Waves less than 1 ft Showers likely with a chance of tstms through the night Showers likely after midnight
FRI
NE winds 5 to 10 kt Waves 1 ft A chance of showers in the morning, then showers likely
Reporting time 07:59 AM EDT Mon Aug 17 2026

Chesapeake Bay north of Pooles Island

TODAY
W winds 5 to 10 kt Waves 1 ft A slight chance of showers and tstms this afternoon
TONIGHT
NW winds around 5 kt Waves 1 ft
TUE
N winds 5 to 10 kt Waves 1 ft
TUE NIGHT
NW winds around 5 kt Waves 1 ft
WED
W winds around 5 kt Waves 1 ft
WED NIGHT
W winds around 5 kt Waves 1 ft
THU
N winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms through the night A chance of showers after midnight
FRI
NE winds 5 to 10 kt Waves 1 ft A chance of showers in the afternoon Showers likely with a chance of tstms through the night
Reporting time 07:59 AM EDT Mon Aug 17 2026

Chesapeake Bay from Pooles Island to Sandy Point

TODAY
W winds 5 to 10 kt Waves 1 ft
TONIGHT
NW winds 5 to 10 kt Waves 1 ft
TUE
N winds 5 to 10 kt Waves 1 ft
TUE NIGHT
NW winds around 5 kt Waves 1 ft or less
WED
W winds around 5 kt Waves 1 ft or less
WED NIGHT
SW winds 5 kt Waves less than 1 ft
THU
NE winds 5 to 10 kt Waves 1 ft A chance of tstms through the night Showers likely
FRI
NE winds 5 to 10 kt Waves 1 ft A chance of showers in the afternoon Showers likely with a chance of tstms through the night
Reporting time 07:59 AM EDT Mon Aug 17 2026

Patapsco River including Baltimore Harbor

TODAY
W winds 5 kt Waves less than 1 ft A slight chance of showers and tstms this afternoon
TONIGHT
NW winds 5 kt Waves flat
TUE
N winds 5 kt Waves less than 1 ft
TUE NIGHT
NW winds around 5 kt Waves 1 ft or less
WED
W winds 5 kt Waves flat
WED NIGHT
W winds 5 kt Waves flat
THU
NE winds 5 kt Waves flat A chance of tstms through the night Showers likely
FRI
NE winds around 5 kt Waves 1 ft or less A chance of showers through the day Showers likely with a chance of tstms through the night
Reporting time 07:59 AM EDT Mon Aug 17 2026

Chester River to Queenstown MD

TODAY
W winds 5 to 10 kt Waves 1 ft
TONIGHT
NW winds around 5 kt Waves 1 ft or less
TUE
N winds 5 to 10 kt Waves 1 ft
TUE NIGHT
NW winds around 5 kt Waves 1 ft or less
WED
W winds 5 kt Waves flat
WED NIGHT
SW winds 5 kt Waves flat
THU
N winds 5 to 10 kt Waves 1 ft or less Showers likely with a chance of tstms through the night Showers likely after midnight
FRI
NE winds 5 to 10 kt Waves 1 ft or less A chance of showers through the day Showers likely with a chance of tstms through the night
Reporting time 07:59 AM EDT Mon Aug 17 2026

Chesapeake Bay from Sandy Point to North Beach

TODAY
W winds 5 to 10 kt Waves 1 ft
TONIGHT
NW winds 5 kt Waves less than 1 ft
TUE
N winds 5 to 10 kt Waves 1 ft
TUE NIGHT
NW winds around 5 kt Waves 1 ft or less
WED
W winds 5 kt Waves less than 1 ft
WED NIGHT
SW winds 5 kt Waves less than 1 ft
THU
NE winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms through the night Showers likely after midnight
FRI
NE winds 5 to 10 kt Waves 1 ft A chance of showers through the day Showers likely with a chance of tstms through the night
Reporting time 07:59 AM EDT Mon Aug 17 2026

Eastern Bay

TODAY
W winds 5 to 10 kt Waves 1 ft
TONIGHT
NW winds around 5 kt Waves flat
TUE
N winds 5 to 10 kt Waves 1 ft
TUE NIGHT
NW winds around 5 kt Waves 1 ft or less
WED
W winds 5 kt Waves flat
WED NIGHT
SW winds 5 kt Waves less than 1 ft
THU
NE winds 5 to 10 kt Waves 1 ft or less Showers likely with a chance of tstms through the night Showers likely after midnight
FRI
NE winds 5 to 10 kt Waves 1 ft or less A chance of showers through the day Showers likely with a chance of tstms through the night
Reporting time 07:59 AM EDT Mon Aug 17 2026

Chesapeake Bay from North Beach to Drum Point

TODAY
W winds 5 to 10 kt Waves 1 ft
TONIGHT
W winds 5 to 10 kt Waves 1 ft A chance of showers
TUE
N winds 5 to 10 kt Waves 1 ft
TUE NIGHT
N winds 5 kt Waves less than 1 ft
WED
W winds 5 kt Waves less than 1 ft
WED NIGHT
SW winds 5 to 10 kt Waves 1 ft
THU
N winds 5 kt
FRI
NE winds 5 to 10 kt Waves 1 ft A chance of showers in the morning Showers likely A chance of tstms through the night
Reporting time 07:59 AM EDT Mon Aug 17 2026

Choptank River to Cambridge MD and the Little Choptank River

TODAY
W winds 5 to 10 kt Waves 1 ft
TONIGHT
W winds around 5 kt Waves 1 ft or less A chance of showers
TUE
N winds 5 to 10 kt Waves 1 ft
TUE NIGHT
N winds around 5 kt Waves 1 ft or less
WED
W winds around 5 kt Waves 1 ft or less
WED NIGHT
SW winds 5 to 10 kt Waves 1 ft
THU
N winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms through the night Showers likely after midnight
FRI
NE winds 5 to 10 kt Waves 1 ft A chance of showers in the morning Showers likely A chance of tstms through the night
Reporting time 07:59 AM EDT Mon Aug 17 2026

Patuxent River to Broomes Island MD

TODAY
W winds 5 to 10 kt Waves 1 ft
TONIGHT
W winds around 5 kt Waves 1 ft A chance of showers and tstms
TUE
N winds 5 to 10 kt Waves 1 ft
TUE NIGHT
N winds around 5 kt Waves 1 ft
WED
W winds around 5 kt Waves 1 ft
WED NIGHT
S winds around 5 kt Waves 1 ft
THU
N winds around 5 kt Waves 1 ft Showers likely with a chance of tstms through the night Showers likely after midnight
FRI
NE winds 5 kt Waves less than 1 ft A chance of showers in the morning, then showers likely
Reporting time 07:59 AM EDT Mon Aug 17 2026

Chesapeake Bay from Drum Point to Smith Point

TODAY
W winds 10 to 15 kt
TONIGHT
W winds 5 to 10 kt Waves 1 ft A chance of showers and tstms
TUE
N winds 5 to 10 kt Waves 1 ft
TUE NIGHT
N winds 5 to 10 kt Waves 1 ft
WED
W winds 5 kt Waves less than 1 ft
WED NIGHT
S winds 5 to 10 kt Waves 1 ft
THU
S winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms through the night Showers likely after midnight
FRI
E winds 5 to 10 kt Waves 1 ft A chance of showers in the morning, then showers likely
Reporting time 07:59 AM EDT Mon Aug 17 2026

Tangier Sound and the inland waters surrounding Bloodsworth Island

TODAY
W winds 10 to 15 kt Waves 1 ft
TONIGHT
W winds 5 kt Waves less than 1 ft A chance of showers and tstms
TUE
NW winds 5 to 10 kt Waves 1 ft
TUE NIGHT
N winds 5 to 10 kt Waves 1 ft or less
WED
W winds 5 kt Waves flat
WED NIGHT
S winds 5 to 10 kt Waves 1 ft
THU
SW winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms through the night Showers likely after midnight
FRI
NE winds 5 to 10 kt Waves 1 ft A chance of showers in the morning, then showers likely
Reporting time 07:59 AM EDT Mon Aug 17 2026
Oilrig
NWS
Buoy
Fixed Station
USGS
Ship
Other