Tall Timbers, MD
08/18/2026 10:00 AM
80°F
TEMPERATURE
Winds 6 mph N
Mostly Sunny
Isolated showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Northwest wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Moonrise
01:46 PM
Moonset
11:48 PM
Sunrise
06:23 AM
Moon Phase
Waxing crescent
Sunset
07:56 PM

Hourly Forecast

Tue, 10:00 AM

Mostly Sunny
Winds: 6 mph N
80°

Tue, 11:00 AM

Partly Sunny
Winds: 7 mph NW
81°

Tue, 12:00 PM

Mostly Sunny
Winds: 6 mph NW
82°

Tue, 01:00 PM

Mostly Sunny
Winds: 6 mph NW
83°

Tue, 02:00 PM

Mostly Sunny
Winds: 6 mph NW
84°

Tue, 03:00 PM

Mostly Sunny
Winds: 6 mph NW
85°

Tue, 04:00 PM

Isolated Showers And Thunderstorms
Winds: 6 mph NW
84°

Tue, 05:00 PM

Isolated Showers And Thunderstorms
Winds: 5 mph NW
84°

Tue, 06:00 PM

Partly Cloudy
Winds: 5 mph NW
84°

Tue, 07:00 PM

Partly Cloudy
Winds: 3 mph N
82°

Tue, 08:00 PM

Partly Cloudy
Winds: 3 mph NE
81°

Tue, 09:00 PM

Mostly Clear
Winds: 2 mph NE
79°

Tue, 10:00 PM

Mostly Clear
Winds: 2 mph NE
78°

Tue, 11:00 PM

Mostly Clear
Winds: 2 mph N
78°

Wed, 12:00 AM

Mostly Clear
Winds: 2 mph N
77°

Wed, 01:00 AM

Partly Cloudy
Winds: 2 mph N
77°

Wed, 02:00 AM

Partly Cloudy
Winds: 3 mph NW
77°

Wed, 03:00 AM

Mostly Clear
Winds: 3 mph N
76°

Wed, 04:00 AM

Mostly Clear
Winds: 3 mph N
76°

Wed, 05:00 AM

Mostly Clear
Winds: 5 mph N
75°

Wed, 06:00 AM

Sunny
Winds: 5 mph N
74°

Wed, 07:00 AM

Sunny
Winds: 5 mph N
74°

Wed, 08:00 AM

Sunny
Winds: 5 mph N
75°

Wed, 09:00 AM

Sunny
Winds: 3 mph NW
77°

Today

Mostly Sunny then Isolated Showers And Thunderstorms
86°
Winds: 7 mph NW
Isolated showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Northwest wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Tonight

Mostly Clear
73°
Winds: 5 mph N
Mostly clear, with a low around 73. North wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.

Wednesday

Sunny
86°
Winds: 5 mph NW
Sunny, with a high near 86. Northwest wind around 5 mph.

Wednesday Night

Mostly Clear then Chance Showers And Thunderstorms
75°
Winds: 6 mph S
A chance of rain showers between 2am and 5am, then a chance of showers and thunderstorms. Mostly clear, with a low around 75. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Thursday

Showers And Thunderstorms
86°
Winds: 3 to 7 mph S
Showers and thunderstorms. Partly sunny, with a high near 86. South wind 3 to 7 mph. Chance of precipitation is 80%.

Thursday Night

Showers And Thunderstorms
72°
Winds: 7 mph S
Showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 80%.

Friday

Chance Rain Showers then Chance Showers And Thunderstorms
83°
Winds: 7 mph N
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.

Friday Night

Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
73°
Winds: 5 mph E
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 70%.

Saturday

Rain Showers Likely
82°
Winds: 6 mph SE
Rain showers likely before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

Saturday Night

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

Sunday

Chance Rain Showers
83°
Winds: 7 mph W
A chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.

Sunday Night

Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
71°
Winds: 7 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. Chance of precipitation is 30%.

Monday

Mostly Sunny
82°
Winds: 8 mph NW
Mostly sunny, with a high near 82.

Monday Night

Mostly Clear
71°
Winds: 7 mph SW
Mostly clear, 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. High pressure will gradually build in from the Ohio River Valley through tonight while a weakening cold front stalls to the south over the Carolinas. High pressure will move overhead Wednesday, then move offshore Wednesday night as a cold front approaches from the Great Lakes. The cold front will cross the Mid-Atlantic Thursday, then linger nearby Friday into the weekend as one or more waves of low pressure ride along the front stalled near the coast.

Tidal Potomac from Key Bridge to Indian Head

TODAY
N winds 5 kt Waves less than 1 ft
TONIGHT
NW winds around 5 kt Waves 1 ft
WED
NW winds around 5 kt Waves 1 ft
WED NIGHT
SW winds around 5 kt Waves 1 ft or less
THU
NW winds around 5 kt Waves 1 ft Showers likely with a chance of tstms
THU NIGHT
NE winds around 5 kt Waves 1 ft Showers likely
FRI
NE winds around 5 kt Waves 1 ft A chance of tstms through the night A chance of showers
SAT
SE winds around 5 kt Waves 1 ft A chance of showers in the morning, then showers likely through the night A chance of showers after midnight
Reporting time 06:31 AM EDT Tue Aug 18 2026

Tidal Potomac from Indian Head to Cobb Island

TODAY
NW winds 5 kt Waves less than 1 ft Isolated showers and tstms this afternoon
TONIGHT
N winds around 5 kt Waves 1 ft
WED
NW winds around 5 kt Waves 1 ft
WED NIGHT
S winds around 5 kt Waves 1 ft A chance of showers
THU
SE winds around 5 kt Waves 1 ft Showers likely with a chance of tstms
THU NIGHT
NE winds around 5 kt Waves 1 ft Showers likely with a chance of tstms
FRI
NE winds around 5 kt Waves 1 ft or less A chance of showers in the afternoon A chance of tstms through the night Showers likely through the night
SAT
SE winds around 5 kt Waves 1 ft A chance of showers in the morning, then showers likely through the night A chance of showers after midnight
Reporting time 06:31 AM EDT Tue Aug 18 2026

Tidal Potomac from Cobb Island to Smith Point

TODAY
NW winds 5 kt Waves less than 1 ft Isolated showers and tstms this afternoon
TONIGHT
N winds around 5 kt Waves 1 ft or less
WED
NW winds around 5 kt Waves flat
WED NIGHT
S winds around 5 kt Waves 1 ft
THU
S winds around 5 kt Waves 1 ft or less Showers likely with a chance of tstms
THU NIGHT
S winds 5 kt Waves less than 1 ft Showers likely with a chance of tstms
FRI
NE winds 5 kt Waves less than 1 ft A chance of showers through the day A chance of tstms Showers likely through the night
SAT
SE winds 5 kt Waves less than 1 ft Showers likely A chance of showers after midnight
Reporting time 06:31 AM EDT Tue Aug 18 2026

Chesapeake Bay north of Pooles Island

TODAY
N winds 5 to 10 kt Waves 1 ft or less Isolated showers and tstms this afternoon
TONIGHT
NW winds around 5 kt Waves flat
WED
W winds around 5 kt Waves flat
WED NIGHT
SW winds around 5 kt Waves flat
THU
NW winds around 5 kt Waves flat Showers with a chance of tstms
THU NIGHT
N winds 5 to 10 kt Waves 1 ft or less A chance of showers
FRI
NE winds 5 to 10 kt Waves 1 ft or less A chance of showers
SAT
E winds 5 kt Waves flat A chance of showers in the morning, then showers likely through the night A chance of showers after midnight
Reporting time 06:31 AM EDT Tue Aug 18 2026

Chesapeake Bay from Pooles Island to Sandy Point

TODAY
N winds 5 to 10 kt Waves 1 ft Isolated showers and tstms this afternoon
TONIGHT
N winds around 5 kt Waves 1 ft or less
WED
W winds around 5 kt Waves flat
WED NIGHT
SW winds 5 kt Waves flat
THU
W winds 5 kt Waves flat Showers likely with a chance of tstms
THU NIGHT
N winds 5 to 10 kt Waves 1 ft or less A chance of showers
FRI
NE winds 5 to 10 kt Waves 1 ft A chance of tstms in the afternoon A chance of showers
SAT
E winds 5 kt Waves less than 1 ft A chance of showers in the morning, then showers likely
Reporting time 06:31 AM EDT Tue Aug 18 2026

Patapsco River including Baltimore Harbor

TODAY
N winds 5 kt Waves flat
TONIGHT
NW winds around 5 kt Waves flat
WED
W winds 5 kt Waves flat
WED NIGHT
SW winds 5 kt Waves flat
THU
E winds 5 kt Waves flat Showers likely with a chance of tstms
THU NIGHT
N winds 5 kt Waves flat A chance of showers
FRI
NE winds around 5 kt Waves 1 ft or less A chance of showers
SAT
E winds 5 kt Waves less than 1 ft A chance of showers
Reporting time 06:31 AM EDT Tue Aug 18 2026

Chester River to Queenstown MD

TODAY
N winds 5 kt Waves less than 1 ft Isolated showers and tstms this afternoon
TONIGHT
N winds around 5 kt Waves flat
WED
W winds around 5 kt Waves flat
WED NIGHT
SW winds around 5 kt Waves flat
THU
NW winds around 5 kt Waves flat Showers likely with a chance of tstms
THU NIGHT
NE winds around 5 kt Waves 1 ft or less Showers likely
FRI
NE winds 5 to 10 kt Waves 1 ft or less A chance of showers in the afternoon A chance of tstms through the night Showers likely through the night
SAT
E winds 5 kt Waves flat A chance of showers in the morning, then showers likely
Reporting time 06:31 AM EDT Tue Aug 18 2026

Chesapeake Bay from Sandy Point to North Beach

TODAY
N winds 5 to 10 kt Waves 1 ft Isolated showers and tstms this afternoon
TONIGHT
N 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 A chance of showers
THU
NW winds 5 kt
THU NIGHT
NE winds 5 to 10 kt Waves 1 ft Showers likely
FRI
NE winds 5 to 10 kt
SAT
E winds 5 to 10 kt
Reporting time 06:31 AM EDT Tue Aug 18 2026

Eastern Bay

TODAY
N winds 5 to 10 kt Waves 1 ft Isolated showers and tstms this afternoon
TONIGHT
N winds around 5 kt Waves flat
WED
NW winds around 5 kt Waves flat
WED NIGHT
SW winds around 5 kt Waves 1 ft or less A chance of showers
THU
W winds around 5 kt Waves flat Showers likely with a chance of tstms
THU NIGHT
NE winds around 5 kt Waves 1 ft or less Showers likely
FRI
NE winds 5 to 10 kt Waves 1 ft or less A chance of showers in the afternoon A chance of tstms through the night Showers likely through the night
SAT
SE winds 5 kt Waves less than 1 ft Showers likely
Reporting time 06:31 AM EDT Tue Aug 18 2026

Chesapeake Bay from North Beach to Drum Point

TODAY
N winds 5 to 10 kt Waves 1 ft Isolated showers and tstms this afternoon
TONIGHT
N winds around 5 kt Waves 1 ft or less
WED
NW winds around 5 kt Waves 1 ft or less
WED NIGHT
S winds 5 kt Waves less than 1 ft A chance of showers
THU
S winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
THU NIGHT
SE winds 5 to 10 kt
FRI
NE winds 5 to 10 kt
SAT
SE winds 5 to 10 kt
Reporting time 06:31 AM EDT Tue Aug 18 2026

Choptank River to Cambridge MD and the Little Choptank River

TODAY
N winds 5 to 10 kt Waves 1 ft Isolated showers and tstms this afternoon
TONIGHT
N winds around 5 kt Waves 1 ft or less
WED
NW winds around 5 kt Waves 1 ft or less
WED NIGHT
S winds around 5 kt Waves 1 ft A chance of showers
THU
SW winds 5 kt Waves less than 1 ft Showers likely with a chance of tstms
THU NIGHT
SE winds 5 kt
FRI
NE winds 5 to 10 kt
SAT
SE winds 5 kt Waves less than 1 ft Showers likely
Reporting time 06:31 AM EDT Tue Aug 18 2026

Patuxent River to Broomes Island MD

TODAY
N winds 5 kt Waves less than 1 ft Isolated showers and tstms this afternoon
TONIGHT
N winds around 5 kt Waves 1 ft
WED
NW winds around 5 kt Waves 1 ft
WED NIGHT
S winds around 5 kt Waves 1 ft A chance of showers
THU
S winds around 5 kt Waves 1 ft Showers with a chance of tstms
THU NIGHT
S winds around 5 kt Waves 1 ft Showers likely with a chance of tstms
FRI
NE winds around 5 kt Waves 1 ft A chance of showers through the day A chance of tstms through the night Showers likely through the night
SAT
SE winds around 5 kt Waves 1 ft Showers likely A chance of showers after midnight
Reporting time 06:31 AM EDT Tue Aug 18 2026

Chesapeake Bay from Drum Point to Smith Point

TODAY
N winds 10 kt Waves 1 ft Isolated showers and tstms this afternoon
TONIGHT
N winds 5 to 10 kt Waves 1 ft
WED
NW 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
THU NIGHT
S winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
FRI
N winds 5 to 10 kt
SAT
S winds 5 to 10 kt Waves 1 ft Showers likely
Reporting time 06:31 AM EDT Tue Aug 18 2026

Tangier Sound and the inland waters surrounding Bloodsworth Island

TODAY
NW winds 5 to 10 kt Waves 1 ft Isolated showers and tstms this afternoon
TONIGHT
N winds 5 to 10 kt Waves 1 ft or less
WED
NW 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
THU NIGHT
S winds 5 to 10 kt Waves 1 ft Showers with a chance of tstms
FRI
N winds 5 to 10 kt
SAT
S winds 5 to 10 kt Waves 1 ft Showers, mainly in the morning
Reporting time 06:31 AM EDT Tue Aug 18 2026
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