Tall Timbers, MD
05/20/2026 12:00 AM
78°F
TEMPERATURE
Winds 12 mph S
Mostly Clear
Mostly clear, with a low around 71. Southwest wind around 13 mph.
Moonrise
09:10 AM
Moonset
-
Sunrise
05:51 AM
Moon Phase
Waxing crescent
Sunset
08:14 PM

Hourly Forecast

Wed, 12:00 AM

Mostly Clear
Winds: 12 mph S
78°

Wed, 01:00 AM

Mostly Clear
Winds: 12 mph SW
77°

Wed, 02:00 AM

Mostly Clear
Winds: 13 mph SW
76°

Wed, 03:00 AM

Mostly Clear
Winds: 12 mph SW
74°

Wed, 04:00 AM

Clear
Winds: 12 mph SW
73°

Wed, 05:00 AM

Clear
Winds: 12 mph SW
72°

Wed, 06:00 AM

Sunny
Winds: 12 mph SW
71°

Wed, 07:00 AM

Sunny
Winds: 12 mph SW
72°

Wed, 08:00 AM

Sunny
Winds: 9 mph SW
73°

Wed, 09:00 AM

Sunny
Winds: 8 mph W
75°

Wed, 10:00 AM

Sunny
Winds: 7 mph W
77°

Wed, 11:00 AM

Sunny
Winds: 5 mph W
80°

Wed, 12:00 PM

Sunny
Winds: 3 mph SW
82°

Wed, 01:00 PM

Sunny
Winds: 5 mph SW
84°

Wed, 02:00 PM

Sunny
Winds: 6 mph S
88°

Wed, 03:00 PM

Sunny
Winds: 7 mph S
87°

Wed, 04:00 PM

Sunny
Winds: 8 mph S
87°

Wed, 05:00 PM

Slight Chance Showers And Thunderstorms
Winds: 10 mph S
87°

Wed, 06:00 PM

Slight Chance Showers And Thunderstorms
Winds: 9 mph S
87°

Wed, 07:00 PM

Slight Chance Showers And Thunderstorms
Winds: 9 mph NW
85°

Wed, 08:00 PM

Chance Showers And Thunderstorms
Winds: 10 mph N
78°

Wed, 09:00 PM

Chance Showers And Thunderstorms
Winds: 9 mph N
76°

Wed, 10:00 PM

Chance Showers And Thunderstorms
Winds: 9 mph N
74°

Wed, 11:00 PM

Showers And Thunderstorms Likely
Winds: 9 mph N
72°

Overnight

Mostly Clear
71°
Winds: 13 mph SW
Mostly clear, with a low around 71. Southwest wind around 13 mph.

Wednesday

Sunny then Slight Chance Showers And Thunderstorms
88°
Winds: 3 to 12 mph SW
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 88. Southwest wind 3 to 12 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Wednesday Night

Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
62°
Winds: 6 to 10 mph N
A chance of showers and thunderstorms before 11pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 62. North wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday

Chance Rain Showers
65°
Winds: 8 to 14 mph NE
A chance of rain showers. Cloudy, with a high near 65. Northeast wind 8 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Thursday Night

Showers And Thunderstorms Likely
56°
Winds: 13 mph NE
A chance of rain showers before 8pm, then showers and thunderstorms likely. Cloudy, with a low around 56. Northeast wind around 13 mph. Chance of precipitation is 70%.

Friday

Rain Showers Likely
61°
Winds: 14 mph NE
Rain showers likely. Cloudy, with a high near 61. Chance of precipitation is 70%.

Friday Night

Showers And Thunderstorms Likely
56°
Winds: 6 to 13 mph NE
Rain showers likely before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

Saturday

Rain Showers Likely
69°
Winds: 8 mph E
Rain showers likely before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.

Saturday Night

Showers And Thunderstorms Likely
62°
Winds: 5 to 8 mph NE
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.

Sunday

Chance Rain Showers
73°
Winds: 7 mph NE
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.

Sunday Night

Chance Showers And Thunderstorms
63°
Winds: 6 mph SE
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

Memorial Day

Chance Rain Showers
74°
Winds: 5 mph S
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.

Monday Night

Chance Showers And Thunderstorms
64°
Winds: 3 mph E
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

Tuesday

Chance Rain Showers
74°
Winds: 2 to 6 mph E
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 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. Winds subside late tonight. Additional Small Craft Advisories may be needed through Thursday as a cold front crosses the waters. The front will bring scattered to numerous showers and thunderstorms Wednesday afternoon and evening. Special Marine Warnings may be needed for stronger thunderstorms during this time. No marine hazards are expected Thursday with Small Craft conditions returning Friday into the weekend.

Tidal Potomac from Key Bridge to Indian Head

REST OF TONIGHT
SW winds 5 to 10 kt Waves 1 ft
WED
W winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
WED NIGHT
N winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
THU
NE winds 10 kt Waves 1 ft Showers
THU NIGHT
NE winds 5 to 10 kt Waves 1 ft Showers likely
FRI
E winds 5 to 10 kt Waves 1 ft Showers likely
FRI NIGHT
E winds 5 to 10 kt Waves 1 ft Showers
SAT
E winds 5 to 10 kt Waves 1 ft Showers, mainly in the morning
SUN
E 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 10:57 PM EDT Tue May 19 2026

Tidal Potomac from Indian Head to Cobb Island

REST OF TONIGHT
SW winds 10 kt Waves 1 ft
WED
SW winds 5 to 10 kt Waves 1 ft A chance of showers and tstms
WED NIGHT
N winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
THU
NE winds 5 to 10 kt Waves 1 ft A chance of showers
THU NIGHT
NE winds 5 to 10 kt Waves 1 ft Showers likely
FRI
E winds 10 kt Waves 1 ft Showers likely
FRI NIGHT
NE winds 5 to 10 kt Waves 1 ft Showers likely
SAT
NE winds 5 kt Waves less than 1 ft Showers likely
SUN
E winds around 5 kt Waves 1 ft A chance of showers
Reporting time 10:57 PM EDT Tue May 19 2026

Tidal Potomac from Cobb Island to Smith Point

REST OF TONIGHT
SW winds 10 kt Waves 1 ft
WED
SW winds 5 to 10 kt Waves 1 ft
WED NIGHT
N winds 5 to 10 kt Waves 1 ft A chance of showers and tstms
THU
NE winds 10 to 15 kt with gusts to 20 kt Waves 2 ft A chance of showers
THU NIGHT
NE winds 10 to 15 kt with gusts to 20 kt Waves 2 ft Showers likely
FRI
E winds 10 to 15 kt with gusts to 20 kt Waves 3 ft Showers likely
FRI NIGHT
E winds 10 to 15 kt with gusts to 20 kt Waves 2 to 3 ft Showers likely
SAT
E winds 5 to 10 kt Waves 1 ft Showers likely A chance of tstms after midnight
SUN
E winds 5 kt Waves less than 1 ft A chance of showers
Reporting time 10:57 PM EDT Tue May 19 2026

Chesapeake Bay north of Pooles Island

REST OF TONIGHT
SW winds 5 kt Waves less than 1 ft
WED
W winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
WED NIGHT
N winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
THU
NE winds 5 to 10 kt Waves 1 ft Showers likely
THU NIGHT
E winds 5 to 10 kt Waves 1 ft A chance of showers
FRI
E winds 5 to 10 kt Waves 1 ft Showers likely
FRI NIGHT
E winds 5 to 10 kt Waves 1 ft Showers
SAT
E winds 5 to 10 kt Waves 1 ft Showers
SUN
E winds around 5 kt Waves 1 ft A chance of showers through the day Showers likely through the night
Reporting time 10:57 PM EDT Tue May 19 2026

Chesapeake Bay from Pooles Island to Sandy Point

REST OF TONIGHT
SW winds 10 kt Waves 1 ft
WED
SW winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
WED NIGHT
N winds 10 to 15 kt with gusts to 20 kt Waves 1 ft Showers likely with a chance of tstms
THU
NE winds 10 to 15 kt with gusts to 20 kt Waves 2 ft Showers likely
THU NIGHT
E winds 5 to 10 kt Waves 1 ft A chance of showers
FRI
E winds 10 to 15 kt with gusts to 20 kt Waves 2 ft Showers likely
FRI NIGHT
E winds 10 to 15 kt with gusts to 20 kt Waves 1 to 2 ft Showers
SAT
E winds 5 to 10 kt Waves 1 ft Showers through the day, then showers likely through the night
SUN
E winds 5 to 10 kt Waves 1 ft A chance of showers
Reporting time 10:57 PM EDT Tue May 19 2026

Patapsco River including Baltimore Harbor

REST OF TONIGHT
SW winds 5 kt Waves flat
WED
W winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
WED NIGHT
N winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
THU
NE winds 10 kt Waves 1 ft Showers likely
THU NIGHT
E winds 5 to 10 kt Waves 1 ft A chance of showers
FRI
E winds 10 to 15 kt with gusts to 20 kt Waves 1 ft Showers
FRI NIGHT
E winds 10 to 15 kt with gusts to 20 kt Waves 1 ft Showers
SAT
E winds 5 to 10 kt Waves 1 ft Showers
SUN
E winds around 5 kt Waves 1 ft or less A chance of showers
Reporting time 10:57 PM EDT Tue May 19 2026

Chester River to Queenstown MD

REST OF TONIGHT
SW winds 10 kt Waves 1 ft
WED
SW winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
WED NIGHT
N winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
THU
NE winds 10 to 15 kt with gusts to 20 kt Waves 2 ft Showers likely
THU NIGHT
E winds 10 kt Waves 1 ft A chance of showers
FRI
E winds 10 to 15 kt with gusts to 20 kt Waves 1 ft Showers likely
FRI NIGHT
E winds 10 to 15 kt with gusts to 20 kt Waves 1 ft Showers
SAT
E winds 5 to 10 kt Waves 1 ft Showers through the day, then showers likely through the night
SUN
E winds 5 kt Waves less than 1 ft A chance of showers in the morning, then showers likely through the night A chance of showers after midnight
Reporting time 10:57 PM EDT Tue May 19 2026

Chesapeake Bay from Sandy Point to North Beach

REST OF TONIGHT
S winds 10 kt Waves 1 to 2 ft
WED
SW winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
WED NIGHT
NW winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
THU
NE winds 10 to 15 kt with gusts to 20 kt Waves 2 ft Showers likely
THU NIGHT
NE winds 10 kt Waves 1 to 2 ft Showers likely
FRI
E winds 10 to 15 kt with gusts to 20 kt Waves 2 ft Showers likely
FRI NIGHT
E winds 10 to 15 kt with gusts to 20 kt Waves 1 to 2 ft Showers
SAT
E winds 5 to 10 kt Waves 1 ft Showers through the day, then showers likely through the night
SUN
E winds 5 to 10 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 10:57 PM EDT Tue May 19 2026

Eastern Bay

REST OF TONIGHT
S winds 10 kt Waves 1 ft
WED
SW winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
WED NIGHT
N winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
THU
NE winds 10 to 15 kt with gusts to 20 kt Waves 2 ft Showers likely
THU NIGHT
NE winds 10 kt Waves 1 ft Showers likely
FRI
E winds 10 to 15 kt with gusts to 20 kt Waves 2 ft Showers likely
FRI NIGHT
E winds 10 to 15 kt with gusts to 20 kt Waves 1 to 2 ft Showers
SAT
E winds 5 to 10 kt Waves 1 ft Showers through the day, then showers likely through the night
SUN
E winds 5 kt Waves less than 1 ft A chance of showers in the morning, then showers likely through the night A chance of showers after midnight
Reporting time 10:57 PM EDT Tue May 19 2026

Chesapeake Bay from North Beach to Drum Point

REST OF TONIGHT
S winds 10 kt Waves 1 ft
WED
SW winds 5 to 10 kt Waves 1 ft A chance of showers
WED NIGHT
N winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
THU
NE winds 10 to 15 kt with gusts to 20 kt Waves 2 ft Showers likely
THU NIGHT
NE winds 10 to 15 kt with gusts to 20 kt Waves 2 ft Showers likely
FRI
E winds 10 to 15 kt with gusts to 20 kt Waves 2 ft Showers likely
FRI NIGHT
E winds 10 to 15 kt with gusts to 20 kt Waves 2 ft Showers likely
SAT
E winds 5 to 10 kt Waves 1 ft Showers likely
SUN
E winds 5 to 10 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 10:57 PM EDT Tue May 19 2026

Choptank River to Cambridge MD and the Little Choptank River

REST OF TONIGHT
S winds 10 kt Waves 1 ft
WED
SW winds 5 to 10 kt Waves 1 ft A chance of showers
WED NIGHT
NW winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
THU
NE winds 10 to 15 kt with gusts to 20 kt Waves 2 ft Showers likely
THU NIGHT
NE winds 10 to 15 kt with gusts to 20 kt Waves 1 ft Showers likely
FRI
E winds 10 to 15 kt with gusts to 20 kt Waves 2 ft Showers likely
FRI NIGHT
E winds 10 to 15 kt with gusts to 20 kt Waves 1 to 2 ft Showers likely
SAT
E winds 5 to 10 kt Waves 1 ft Showers likely
SUN
E winds 5 kt Waves less than 1 ft A chance of showers in the morning, then showers likely through the night A chance of showers after midnight
Reporting time 10:57 PM EDT Tue May 19 2026

Patuxent River to Broomes Island MD

REST OF TONIGHT
S winds 10 kt Waves 1 ft
WED
SW winds 5 to 10 kt Waves 1 ft A chance of showers
WED NIGHT
N winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
THU
NE winds 10 kt with gusts to 20 kt Waves 1 ft A chance of showers
THU NIGHT
NE winds 10 kt Waves 1 ft Showers likely
FRI
E winds 10 to 15 kt with gusts to 20 kt Waves 1 ft Showers likely
FRI NIGHT
E winds 5 to 10 kt Waves 1 ft Showers likely
SAT
NE winds 5 to 10 kt Waves 1 ft Showers likely
SUN
E winds 5 kt Waves less than 1 ft A chance of showers in the morning, then showers likely through the night A chance of showers after midnight
Reporting time 10:57 PM EDT Tue May 19 2026

Chesapeake Bay from Drum Point to Smith Point

SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY
SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING
Reporting time 10:57 PM EDT Tue May 19 2026

Tangier Sound and the inland waters surrounding Bloodsworth Island

SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY
SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING
Reporting time 10:57 PM EDT Tue May 19 2026
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