Annapolis MD
07/20/2026 07:00 AM
72°F
TEMPERATURE
Winds 6 mph NE
Sunny
Sunny, with a high near 86. East wind around 6 mph.
Moonrise
01:54 PM
Moonset
12:50 AM
Sunrise
05:56 AM
Moon Phase
Waxing crescent
Sunset
08:28 PM

Hourly Forecast

Mon, 07:00 AM

Sunny
Winds: 6 mph NE
72°

Mon, 08:00 AM

Sunny
Winds: 5 mph NE
72°

Mon, 09:00 AM

Sunny
Winds: 5 mph E
75°

Mon, 10:00 AM

Sunny
Winds: 6 mph E
78°

Mon, 11:00 AM

Sunny
Winds: 6 mph E
80°

Mon, 12:00 PM

Mostly Sunny
Winds: 6 mph E
81°

Mon, 01:00 PM

Mostly Sunny
Winds: 5 mph E
82°

Mon, 02:00 PM

Mostly Sunny
Winds: 5 mph SE
85°

Mon, 03:00 PM

Sunny
Winds: 6 mph SE
85°

Mon, 04:00 PM

Sunny
Winds: 6 mph SE
85°

Mon, 05:00 PM

Sunny
Winds: 6 mph SE
86°

Mon, 06:00 PM

Mostly Clear
Winds: 7 mph SE
85°

Mon, 07:00 PM

Mostly Clear
Winds: 8 mph S
84°

Mon, 08:00 PM

Mostly Clear
Winds: 9 mph S
82°

Mon, 09:00 PM

Mostly Clear
Winds: 9 mph S
79°

Mon, 10:00 PM

Mostly Clear
Winds: 9 mph S
77°

Mon, 11:00 PM

Partly Cloudy
Winds: 9 mph S
76°

Tue, 12:00 AM

Partly Cloudy
Winds: 9 mph S
76°

Tue, 01:00 AM

Mostly Cloudy
Winds: 8 mph S
76°

Tue, 02:00 AM

Slight Chance Showers And Thunderstorms
Winds: 8 mph S
76°

Tue, 03:00 AM

Chance Showers And Thunderstorms
Winds: 7 mph S
74°

Tue, 04:00 AM

Chance Showers And Thunderstorms
Winds: 7 mph S
74°

Tue, 05:00 AM

Showers And Thunderstorms Likely
Winds: 6 mph S
74°

Tue, 06:00 AM

Showers And Thunderstorms Likely
Winds: 6 mph S
73°

Today

Sunny
86°
Winds: 6 mph E
Sunny, with a high near 86. East wind around 6 mph.

Tonight

Partly Cloudy then Slight Chance Showers And Thunderstorms
73°
Winds: 6 to 9 mph S
A slight chance of showers and thunderstorms between 2am and 3am, then showers and thunderstorms likely. Partly cloudy, with a low around 73. South wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Tuesday

Showers And Thunderstorms
89°
Winds: 6 to 13 mph S
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms between 7am and 8am, then a chance of showers and thunderstorms between 8am and 9am, then a slight chance of showers and thunderstorms between 9am and 11am, then showers and thunderstorms. Mostly cloudy, with a high near 89. Heat index values as high as 100. South wind 6 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday Night

Showers And Thunderstorms
73°
Winds: 9 to 13 mph SW
Showers and thunderstorms. Cloudy, with a low around 73. Southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday

Showers And Thunderstorms
89°
Winds: 10 mph W
Showers and thunderstorms. Mostly cloudy, with a high near 89. West wind around 10 mph. Chance of precipitation is 90%.

Wednesday Night

Showers And Thunderstorms Likely then Mostly Clear
68°
Winds: 9 mph NW
Showers and thunderstorms likely before 8pm. Mostly clear, with a low around 68. Chance of precipitation is 60%.

Thursday

Sunny
83°
Winds: 10 mph N
Sunny, with a high near 83.

Thursday Night

Mostly Clear
68°
Winds: 2 to 7 mph NE
Mostly clear, with a low around 68.

Friday

Sunny
81°
Winds: 3 to 7 mph NE
Sunny, with a high near 81.

Friday Night

Slight Chance Rain Showers
70°
Winds: 1 to 5 mph E
A slight chance of rain showers after 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 20%.

Saturday

Slight Chance Rain Showers then Mostly Sunny
83°
Winds: 1 to 6 mph E
A slight chance of rain showers before 8am. Mostly sunny, with a high near 83. Chance of precipitation is 20%.

Saturday Night

Partly Cloudy
70°
Winds: 2 to 6 mph S
Partly cloudy, with a low around 70.

Sunday

Mostly Sunny
84°
Winds: 2 to 9 mph SW
Mostly sunny, with a high near 84.

Sunday Night

Partly Cloudy
73°
Winds: 5 to 9 mph SW
Partly cloudy, with a low around 73.

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 pass north of the area today. A warm front will return northward tonight into Tuesday, followed by another cold front Tuesday night into Wednesday. High pressure will build in from the west Thursday and Friday. Small Craft Advisories will likely be needed Tuesday through early Thursday.

Tidal Potomac from Key Bridge to Indian Head

REST OF THE OVERNIGHT
NE winds 5 kt Waves less than 1 ft
TODAY
E winds around 5 kt Waves 1 ft
TONIGHT
S winds 5 to 10 kt Waves 1 ft A chance of showers and tstms
TUE
S winds 5 to 10 kt with gusts to 20 kt Waves 1 ft Showers with tstms likely
TUE NIGHT
SW winds 5 to 10 kt with gusts to 20 kt Waves 1 ft Showers with a chance of tstms
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
THU
NE winds around 5 kt Waves 1 ft or less
FRI
E winds around 5 kt Waves 1 ft or less
Reporting time 04:58 AM EDT Mon Jul 20 2026

Tidal Potomac from Indian Head to Cobb Island

REST OF THE OVERNIGHT
NE winds 5 kt Waves less than 1 ft
TODAY
E winds 5 to 10 kt Waves 1 ft
TONIGHT
S winds 5 to 10 kt Waves 1 ft A chance of showers and tstms
TUE
SW winds 10 to 15 kt with gusts to 20 kt Waves 1 ft Showers and tstms likely
TUE NIGHT
SW winds 10 to 15 kt with gusts to 20 kt Waves 1 ft Showers with a chance of tstms
WED
W winds 5 to 10 kt Waves 1 ft A chance of showers and tstms
WED NIGHT
NW winds 5 to 10 kt Waves 1 ft
THU
NE winds 5 to 10 kt Waves 1 ft or less
FRI
E winds around 5 kt Waves 1 ft or less
Reporting time 04:58 AM EDT Mon Jul 20 2026

Tidal Potomac from Cobb Island to Smith Point

SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT
Reporting time 04:58 AM EDT Mon Jul 20 2026

Chesapeake Bay north of Pooles Island

REST OF THE OVERNIGHT
NE winds 5 kt Waves less than 1 ft
TODAY
E winds around 5 kt Waves 1 ft
TONIGHT
SE winds 10 to 15 kt Waves 1 ft A chance of showers
TUE
S winds 5 to 10 kt with gusts to 20 kt Waves 1 ft Showers with tstms likely
TUE NIGHT
SW winds 10 to 15 kt with gusts to 20 kt Waves 2 ft Showers with a chance of tstms
WED
W winds 10 to 15 kt with gusts to 20 kt Waves 1 ft A chance of showers and tstms
WED NIGHT
NW winds 5 to 10 kt Waves 1 ft
THU
N winds 5 to 10 kt Waves 1 ft
FRI
E winds around 5 kt Waves 1 ft or less
Reporting time 04:58 AM EDT Mon Jul 20 2026

Chesapeake Bay from Pooles Island to Sandy Point

SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT
Reporting time 04:58 AM EDT Mon Jul 20 2026

Patapsco River including Baltimore Harbor

REST OF THE OVERNIGHT
NE winds 5 kt Waves flat
TODAY
E winds 5 kt Waves less than 1 ft
TONIGHT
SE winds 5 to 10 kt Waves 1 ft Showers likely
TUE
S winds 5 to 10 kt with gusts to 20 kt Waves 1 ft Showers with tstms likely
TUE NIGHT
SW winds 10 kt with gusts to 20 kt Waves 1 ft Showers with a chance of tstms
WED
W winds 10 kt Waves 1 ft A chance of showers and tstms
WED NIGHT
N winds 5 to 10 kt Waves 1 ft
THU
NE winds 5 to 10 kt Waves 1 ft or less
FRI
E winds around 5 kt Waves flat
Reporting time 04:58 AM EDT Mon Jul 20 2026

Chester River to Queenstown MD

REST OF THE OVERNIGHT
NE winds 5 kt Waves flat
TODAY
E winds around 5 kt Waves 1 ft or less
TONIGHT
SE winds 10 to 15 kt Waves 1 ft Showers likely
TUE
S winds 5 to 10 kt with gusts to 20 kt Waves 1 ft Showers and tstms likely
TUE NIGHT
SW winds 10 to 15 kt with gusts to 20 kt Waves 2 ft Showers with a chance of tstms
WED
W winds 10 to 15 kt with gusts to 20 kt Waves 1 to 2 ft A chance of showers
WED NIGHT
N winds 5 to 10 kt Waves 1 ft
THU
NE winds 5 to 10 kt Waves 1 ft or less
FRI
E winds around 5 kt Waves flat
Reporting time 04:58 AM EDT Mon Jul 20 2026

Chesapeake Bay from Sandy Point to North Beach

SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT
Reporting time 04:58 AM EDT Mon Jul 20 2026

Eastern Bay

REST OF THE OVERNIGHT
NE winds 5 kt Waves flat
TODAY
E winds around 5 kt Waves 1 ft or less
TONIGHT
S winds 10 to 15 kt Waves 1 ft Showers likely
TUE
S winds 10 to 15 kt with gusts to 20 kt Waves 1 to 2 ft Showers and tstms likely
TUE NIGHT
SW winds 10 to 15 kt with gusts to 20 kt Waves 2 ft Showers with a chance of tstms
WED
W winds 10 to 15 kt with gusts to 20 kt Waves 1 to 2 ft Showers likely
WED NIGHT
N winds 5 to 10 kt Waves 1 ft
THU
NE winds 5 to 10 kt Waves 1 ft or less
FRI
E winds around 5 kt Waves 1 ft or less
Reporting time 04:58 AM EDT Mon Jul 20 2026

Chesapeake Bay from North Beach to Drum Point

SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT
Reporting time 04:58 AM EDT Mon Jul 20 2026

Choptank River to Cambridge MD and the Little Choptank River

SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT
Reporting time 04:58 AM EDT Mon Jul 20 2026

Patuxent River to Broomes Island MD

REST OF THE OVERNIGHT
NE winds 5 kt Waves less than 1 ft
TODAY
E winds 5 to 10 kt Waves 1 ft
TONIGHT
SE winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
TUE
SW winds 10 to 15 kt with gusts to 20 kt Waves 1 ft Showers and tstms likely
TUE NIGHT
SW winds 10 to 15 kt with gusts to 20 kt Waves 1 ft Showers with a chance of tstms
WED
SW winds 10 to 15 kt with gusts to 20 kt Waves 1 ft Showers with a chance of tstms
WED NIGHT
NW winds 5 to 10 kt Waves 1 ft A chance of showers
THU
NE winds 5 to 10 kt Waves 1 ft
FRI
E winds around 5 kt Waves 1 ft
Reporting time 04:58 AM EDT Mon Jul 20 2026

Chesapeake Bay from Drum Point to Smith Point

SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT
Reporting time 04:58 AM EDT Mon Jul 20 2026

Tangier Sound and the inland waters surrounding Bloodsworth Island

SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT
Reporting time 04:58 AM EDT Mon Jul 20 2026
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