Tall Timbers, MD
07/16/2026 04:00 AM
81°F
TEMPERATURE
Winds 8 mph W
Partly Cloudy
Partly cloudy, with a low around 80. West wind around 8 mph.

Alerts

You have (1) alert(s). Tap to see details.

Air Quality Alert

Unknown
Air Quality Alert issued July 15 at 4:40PM EDT by NWS Baltimore MD/Washington DC
NWS Baltimore MD/Washington DC
Category Certainty Severity
Met Unknown Unknown
Status Urgency Category
Actual Unknown Met
Effective Ends Expires
07/15/2026 04:40 PM 07/16/2026 04:01 AM 07/17/2026 12:00 AM 
The Maryland Department of the Environment has issued a Code
ORANGE Air Quality Alert Thursday for
Southern Maryland.

A Code Orange Air Quality Alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children, people
suffering from asthma, heart disease or other lung diseases and
the elderly. The effects of air pollution can be minimized by
avoiding strenuous activity or exercise outdoors.

For more information on ground-level ozone
and fine particles visit the web site
mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx
Moonrise
09:25 AM
Moonset
11:13 PM
Sunrise
05:55 AM
Moon Phase
Waxing crescent
Sunset
08:29 PM

Hourly Forecast

Thu, 04:00 AM

Partly Cloudy
Winds: 8 mph W
81°

Thu, 05:00 AM

Partly Cloudy
Winds: 8 mph W
80°

Thu, 06:00 AM

Mostly Sunny
Winds: 8 mph NW
81°

Thu, 07:00 AM

Sunny
Winds: 7 mph NW
80°

Thu, 08:00 AM

Mostly Sunny
Winds: 3 mph N
81°

Thu, 09:00 AM

Partly Sunny
Winds: 3 mph N
83°

Thu, 10:00 AM

Patchy Smoke
Winds: 3 mph NW
84°

Thu, 11:00 AM

Patchy Smoke
Winds: 2 mph W
86°

Thu, 12:00 PM

Patchy Smoke
Winds: 2 mph W
87°

Thu, 01:00 PM

Patchy Smoke
Winds: 3 mph W
87°

Thu, 02:00 PM

Areas Of Smoke
Winds: 3 mph W
88°

Thu, 03:00 PM

Patchy Smoke
Winds: 5 mph SW
89°

Thu, 04:00 PM

Patchy Smoke
Winds: 5 mph W
89°

Thu, 05:00 PM

Patchy Smoke
Winds: 6 mph SW
89°

Thu, 06:00 PM

Patchy Smoke
Winds: 6 mph S
89°

Thu, 07:00 PM

Patchy Smoke
Winds: 6 mph S
88°

Thu, 08:00 PM

Partly Cloudy
Winds: 6 mph S
87°

Thu, 09:00 PM

Mostly Clear
Winds: 6 mph S
89°

Thu, 10:00 PM

Slight Chance Showers And Thunderstorms
Winds: 5 mph SW
87°

Thu, 11:00 PM

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

Fri, 12:00 AM

Slight Chance Showers And Thunderstorms
Winds: 5 mph NW
85°

Fri, 01:00 AM

Partly Cloudy
Winds: 5 mph NW
85°

Fri, 02:00 AM

Partly Cloudy
Winds: 5 mph N
84°

Fri, 03:00 AM

Patchy Smoke
Winds: 6 mph N
82°

Overnight

Partly Cloudy
80°
Winds: 8 mph W
Partly cloudy, with a low around 80. West wind around 8 mph.

Thursday

Areas Of Smoke
89°
Winds: 2 to 8 mph W
Areas of smoke after 10am. Mostly sunny, with a high near 89. West wind 2 to 8 mph.

Thursday Night

Slight Chance Showers And Thunderstorms
78°
Winds: 5 to 8 mph NW
Patchy smoke before 8pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then areas of smoke. Mostly clear, with a low around 78. Northwest wind 5 to 8 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Friday

Areas Of Smoke
88°
Winds: 5 to 8 mph E
Areas of smoke. Sunny, with a high near 88. East wind 5 to 8 mph.

Friday Night

Partly Cloudy
77°
Winds: 5 to 8 mph SE
Partly cloudy, with a low around 77. Southeast wind 5 to 8 mph.

Saturday

Showers And Thunderstorms Likely
92°
Winds: 5 to 13 mph S
Showers and thunderstorms likely between 8am and 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 92. Chance of precipitation is 70%.

Saturday Night

Showers And Thunderstorms Likely then Showers And Thunderstorms
78°
Winds: 13 mph SW
Showers and thunderstorms likely before 8pm, then showers and thunderstorms. Mostly cloudy, with a low around 78. Chance of precipitation is 80%.

Sunday

Showers And Thunderstorms Likely
83°
Winds: 9 mph NW
Showers and thunderstorms likely. Partly sunny, with a high near 83. Chance of precipitation is 60%.

Sunday Night

Showers And Thunderstorms Likely
74°
Winds: 7 mph NE
Showers and thunderstorms likely before 2am. Partly cloudy, with a low around 74. Chance of precipitation is 60%.

Monday

Mostly Sunny then Slight Chance Rain Showers
83°
Winds: 8 mph E
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.

Monday Night

Slight Chance Showers And Thunderstorms
75°
Winds: 5 to 8 mph S
A slight chance of rain showers before 8pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 20%.

Tuesday

Slight Chance Rain Showers then Chance Showers And Thunderstorms
86°
Winds: 5 to 13 mph SW
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 40%.

Tuesday Night

Chance Showers And Thunderstorms
75°
Winds: 9 to 13 mph W
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 50%.

Wednesday

Chance Rain Showers
85°
Winds: 10 mph N
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85.

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 shift to the south the second half of the week. A weak cold front will drop southward today into Friday, then a stronger cold front will approach from the north Saturday.

Tidal Potomac from Key Bridge to Indian Head

OVERNIGHT
SW winds 5 kt Waves less than 1 ft
THU
NW winds around 5 kt Waves 1 ft Areas of smoke
THU NIGHT
NW winds around 5 kt Waves 1 ft Areas of smoke
FRI
NE winds around 5 kt Waves 1 ft Areas of smoke
FRI NIGHT
SE winds around 5 kt Waves 1 ft A chance of showers
SAT
S winds 5 to 10 kt Gusts up to 20 kt in the afternoon Waves 1 ft Showers with a chance of tstms
SAT NIGHT
SW winds 5 to 10 kt Waves 1 ft Showers with a chance of tstms
SUN
NW winds 5 to 10 kt
MON
SE winds around 5 kt Waves 1 ft
Reporting time 02:27 AM EDT Thu Jul 16 2026

Tidal Potomac from Indian Head to Cobb Island

OVERNIGHT
W winds 5 kt Waves less than 1 ft
THU
W winds around 5 kt Waves 1 ft Areas of smoke
THU NIGHT
W winds around 5 kt Waves 1 ft Areas of smoke
FRI
NE winds around 5 kt Waves 1 ft Areas of smoke
FRI NIGHT
SE winds around 5 kt Waves 1 ft A chance of showers
SAT
S winds 5 to 10 kt Waves 1 ft A chance of showers and tstms
SAT NIGHT
SW winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
SUN
N winds around 5 kt Waves 1 ft A chance of showers in the morning, then a chance of showers and tstms through the night
MON
SE winds around 5 kt Waves 1 ft
Reporting time 02:27 AM EDT Thu Jul 16 2026

Tidal Potomac from Cobb Island to Smith Point

OVERNIGHT
W winds 10 kt Waves 1 ft
THU
NW winds 5 to 10 kt
THU NIGHT
S winds 5 to 10 kt
FRI
NE winds 5 to 10 kt Waves 1 ft Areas of smoke
FRI NIGHT
SE winds 5 to 10 kt Waves 1 ft
SAT
S winds 5 to 10 kt Gusts up to 20 kt in the afternoon Waves 1 to 2 ft A chance of showers and tstms
SAT NIGHT
SW winds 10 to 15 kt Waves 1 to 2 ft Showers with a chance of tstms
SUN
NW winds 5 to 10 kt
MON
SE winds 5 to 10 kt
Reporting time 02:27 AM EDT Thu Jul 16 2026

Chesapeake Bay north of Pooles Island

OVERNIGHT
NE winds 10 kt Waves 1 ft Areas of smoke
THU
S winds around 5 kt
THU NIGHT
W winds 5 to 10 kt
FRI
N winds around 5 kt Waves 1 ft Areas of smoke
FRI NIGHT
SE winds around 5 kt Waves 1 ft A chance of showers
SAT
S winds 5 to 10 kt Waves 1 ft Showers with a chance of tstms
SAT NIGHT
SW winds 5 to 10 kt Waves 1 ft Showers with a chance of tstms
SUN
NW winds 5 to 10 kt
MON
NE winds 5 to 10 kt
Reporting time 02:27 AM EDT Thu Jul 16 2026

Chesapeake Bay from Pooles Island to Sandy Point

OVERNIGHT
NW winds 10 kt Waves 1 ft Areas of smoke
THU
SE winds around 5 kt
THU NIGHT
SW winds 5 to 10 kt
FRI
NE winds 5 to 10 kt Waves 1 ft Areas of smoke
FRI NIGHT
SE winds 5 to 10 kt Waves 1 ft or less A chance of showers
SAT
S winds 5 to 10 kt Waves 1 ft Showers with a chance of tstms
SAT NIGHT
SW winds 10 kt Waves 1 ft Showers with a chance of tstms
SUN
NW winds 5 to 10 kt
MON
E winds 5 to 10 kt
Reporting time 02:27 AM EDT Thu Jul 16 2026

Patapsco River including Baltimore Harbor

OVERNIGHT
NW winds 5 kt Waves less than 1 ft Patchy smoke
THU
S winds around 5 kt Waves 1 ft or less Areas of smoke
THU NIGHT
NW winds 5 kt Waves less than 1 ft Areas of smoke
FRI
NE winds 5 kt Waves flat Areas of smoke
FRI NIGHT
SE winds 5 kt Waves flat A chance of showers
SAT
S winds 5 to 10 kt Waves 1 ft Showers with a chance of tstms
SAT NIGHT
SW winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
SUN
NW winds 5 to 10 kt
MON
E winds 5 to 10 kt
Reporting time 02:27 AM EDT Thu Jul 16 2026

Chester River to Queenstown MD

OVERNIGHT
NW winds 5 to 10 kt Waves 1 ft Patchy smoke
THU
W winds around 5 kt Waves 1 ft Areas of smoke
THU NIGHT
SW winds 5 kt
FRI
N winds around 5 kt Waves 1 ft or less Areas of smoke
FRI NIGHT
SE winds around 5 kt Waves 1 ft or less A chance of showers
SAT
S winds 5 to 10 kt Waves 1 ft Showers with a chance of tstms
SAT NIGHT
SW winds 5 to 10 kt Waves 1 ft Showers with a chance of tstms
SUN
NW winds 5 to 10 kt
MON
E winds 5 to 10 kt
Reporting time 02:27 AM EDT Thu Jul 16 2026

Chesapeake Bay from Sandy Point to North Beach

OVERNIGHT
W winds 10 kt Waves 1 ft
THU
NE winds 5 to 10 kt
THU NIGHT
SW winds 5 to 10 kt
FRI
NE winds 5 to 10 kt Waves 1 ft Areas of smoke
FRI NIGHT
SE winds 5 to 10 kt Waves 1 ft A chance of showers
SAT
S winds 5 to 10 kt Waves 1 to 2 ft Showers with a chance of tstms
SAT NIGHT
SW winds 10 kt Waves 1 to 2 ft Showers with a chance of tstms
SUN
NW winds 5 to 10 kt
MON
E winds 5 to 10 kt
Reporting time 02:27 AM EDT Thu Jul 16 2026

Eastern Bay

OVERNIGHT
W winds 10 kt Waves 1 ft
THU
NW winds around 5 kt Waves 1 ft Areas of smoke
THU NIGHT
SW winds 5 to 10 kt
FRI
N winds 5 to 10 kt Waves 1 ft or less Areas of smoke
FRI NIGHT
SE winds 5 to 10 kt Waves 1 ft or less A chance of showers
SAT
S winds 5 to 10 kt Waves 1 ft Showers with a chance of tstms
SAT NIGHT
SW winds 10 kt Waves 1 ft Showers with a chance of tstms
SUN
NW winds 5 to 10 kt
MON
E winds 5 to 10 kt
Reporting time 02:27 AM EDT Thu Jul 16 2026

Chesapeake Bay from North Beach to Drum Point

OVERNIGHT
W winds 10 to 15 kt Waves 2 ft
THU
N winds 5 to 10 kt
THU NIGHT
S winds 5 to 10 kt
FRI
NE winds 5 to 10 kt Waves 1 ft Areas of smoke
FRI NIGHT
SE winds 5 to 10 kt Waves 1 ft
SAT
S winds 10 to 15 kt with gusts to 20 kt Waves 1 to 2 ft A chance of showers and tstms
SAT NIGHT
SW winds 10 kt with gusts to 20 kt Waves 1 to 2 ft Showers with a chance of tstms
SUN
NW winds 5 to 10 kt
MON
E winds 5 to 10 kt
Reporting time 02:27 AM EDT Thu Jul 16 2026

Choptank River to Cambridge MD and the Little Choptank River

OVERNIGHT
W winds 10 to 15 kt Waves 2 ft
THU
N winds 5 to 10 kt
THU NIGHT
S winds 5 to 10 kt
FRI
N winds 5 to 10 kt Waves 1 ft Areas of smoke
FRI NIGHT
SE winds 5 to 10 kt Waves 1 ft or less
SAT
S winds 5 to 10 kt Waves 1 ft Showers with a chance of tstms
SAT NIGHT
SW winds 10 kt Waves 1 ft Showers with a chance of tstms
SUN
NW winds 5 to 10 kt
MON
NE winds 5 to 10 kt
Reporting time 02:27 AM EDT Thu Jul 16 2026

Patuxent River to Broomes Island MD

OVERNIGHT
W winds 5 kt Waves less than 1 ft
THU
W winds around 5 kt Waves 1 ft Areas of smoke
THU NIGHT
SW winds 5 kt
FRI
NE winds 5 kt Waves less than 1 ft Areas of smoke
FRI NIGHT
SE winds 5 kt Waves less than 1 ft
SAT
S winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
SAT NIGHT
SW winds 5 to 10 kt Waves 1 ft Showers with a chance of tstms
SUN
NW winds 5 to 10 kt
MON
SE winds 5 kt Waves less than 1 ft
Reporting time 02:27 AM EDT Thu Jul 16 2026

Chesapeake Bay from Drum Point to Smith Point

OVERNIGHT
W winds 15 kt Waves 2 ft
THU
NW winds 5 to 10 kt
THU NIGHT
S winds 5 to 10 kt
FRI
NE winds 5 to 10 kt Waves 1 ft Areas of smoke
FRI NIGHT
SE winds 5 to 10 kt Waves 2 ft
SAT
S winds 10 to 15 kt with gusts to 20 kt Waves 1 ft
SAT NIGHT
SW winds 10 to 15 kt with gusts to 20 kt Waves 2 to 3 ft Showers with a chance of tstms
SUN
W winds 10 to 15 kt
MON
SE winds 5 to 10 kt
Reporting time 02:27 AM EDT Thu Jul 16 2026

Tangier Sound and the inland waters surrounding Bloodsworth Island

OVERNIGHT
W winds 15 kt Waves 1 ft
THU
NW winds 5 to 10 kt
THU NIGHT
SW winds 5 to 10 kt
FRI
NE winds 5 to 10 kt Waves 1 ft Areas of smoke
FRI NIGHT
SE winds 5 to 10 kt Waves 1 ft
SAT
S winds 10 to 15 kt with gusts to 20 kt Waves 1 to 2 ft A chance of showers and tstms
SAT NIGHT
SW winds 15 kt with gusts to 20 kt Waves 2 ft Showers with a chance of tstms
SUN
W winds 10 to 15 kt
MON
SE winds 5 to 10 kt
Reporting time 02:27 AM EDT Thu Jul 16 2026
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