Water Temperature of the Severn River in Annapolis, MD

Current Water Temperature

64.6°F

Measurement Time: Saturday, April 18, 2026, 3:06 PM EDT

Today's Tides

 High: April 18, 6:34 AM, 1.6 ft
Low: April 18, 1:18 PM, 0.3 ft
 High: April 18, 6:39 PM, 0.9 ft

Temperature Locations

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Local Points of Interest

Santee Basin; College Creek; Annapolis Roads; Whitehall Bay; Cheasapeake Bay; Harwood, MD

Severn River

Station Name: Annapolis
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 16 feet

Sensor Depth: -3 feet

Nearest Address:
220 Cooper Rd
Annapolis, MD 21402
Anne Arundel County

GPS Coordinates: 38.983, -76.479

Nearby Water Temperatures

Chesapeake Bay, Annapolis, MD (2.2 mi)
Chesapeake Bay, Tolchester Beach, MD (20.3 mi)
Northwest Harbor, Baltimore, MD (20.3 mi)
Herring Run, Baltimore, MD (23.5 mi)
Northeast Branch Anacostia River, Riverdale Park, MD (24.1 mi)
Paint Branch, Calverton, MD (26.3 mi)
Sligo Creek, Takoma Park, MD (28.2 mi)
Chesapeake Bay, Cambridge, MD (29.7 mi)
Washington Channel, Washington, DC (30.1 mi)
Scotts Level Branch, Milford Mill, MD (30.2 mi)
Foster Branch, Joppatowne, MD (30.3 mi)
Patuxent River, Brighton, MD (31.7 mi)
Plumtree Run, Bel Air, MD (36.2 mi)
Choptank River, Cambridge, MD (36.2 mi)
Dead Run, McLean, VA (37.5 mi)

Weather for Annapolis, Maryland

Current Weather

69.1°F
Sunny
Sunny
69.1°F
68.9°F
68%
SSE 9.2 mph
19.3 mph
67.4°F
55.8°F
0 in
0%
9 mi
1015 mbar
6.1

Five Day Weather Forecast

Sunny
Sat
H: 70°F
L: 55°F
Patchy rain nearby
Sun
H: 58°F
L: 44°F
Partly Cloudy
Mon
H: 53°F
L: 44°F
Sunny
Tue
H: 57°F
L: 40°F
Patchy rain nearby
Wed
H: 65°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 9.15 μg/m3
PM10: 9.55 μg/m3
Carbon Monoxide: 191.85 μg/m3
Nitrogen Dioxide: 5.15 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 115 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:05 PM
Sunset: 7:46 PM
Daylight: 13 hrs 21 mins
Moonrise: 6:44 AM
Moon Transit: 2:07 PM
Moonset: 9:44 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

3:01 AM - 5:31 AM
1:37 PM - 4:07 PM

Minor Periods

9:14 PM - 10:44 PM
6:14 AM - 7:44 AM

Action Rating: 4 out of 5

Coastal Flood Advisory issued April 18 at 7:46AM EDT until April 19 at 10:00AM EDT by NWS Baltimore MD/Washington DC

Effective: Sat April 18, 2026, 7:46 AM
Expires: Sat April 18, 2026, 8:00 PM

* WHAT...Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE...Shoreline in Anne Arundel County. * WHEN...From 3 AM to 10 AM EDT Sunday, especially around the time of high tide. * IMPACTS...At 2.8 feet, flooding of some of the parking area near Dock Street in Annapolis may occur, with water surrounding the Alex Haley Memorial. * ADDITIONAL DETAILS...Tides one to one and a half feet above normal. The affected high tide at Annapolis U.S. Naval Academy is at 7:26 AM Sunday morning.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


This is only a test for monitoring of vital dissemination systems.

Effective: Sat April 18, 2026, 2:29 PM
Expires: Sat April 18, 2026, 2:39 PM

Monitoring message only. Please disregard.

Monitoring message only. Please disregard.
Saturday, April 18, 2026

Weather Forecast

Sunny
70.2°F
55°F
60°F
75%
0 in
0%
0%
14.1 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 11.06 μg/m3
PM10: 11.51 μg/m3
Carbon Monoxide: 195.61 μg/m3
Nitrogen Dioxide: 8.48 μg/m3
Sulphur Dioxide: 2.69 μg/m3
Ozone: 101.04 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:05 PM
Sunset: 7:46 PM
Daylight: 13 hrs 21 mins
Moonrise: 6:44 AM
Moon Transit: 2:07 PM
Moonset: 9:44 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

3:01 AM - 5:31 AM
1:37 PM - 4:07 PM

Minor Periods

9:14 PM - 10:44 PM
6:14 AM - 7:44 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Patchy rain nearby
58.1°F
43.6°F
52°F
68%
0.12 in
89%
0%
23.3 mph
4.5


Air Quality

AQI: 1 - Good
PM2.5: 7.97 μg/m3
PM10: 8.78 μg/m3
Carbon Monoxide: 180.77 μg/m3
Nitrogen Dioxide: 6.33 μg/m3
Sulphur Dioxide: 3.43 μg/m3
Ozone: 101.12 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:05 PM
Sunset: 7:47 PM
Daylight: 13 hrs 23 mins
Moonrise: 7:24 AM
Moon Transit: 3:08 PM
Moonset: 11:02 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

4:00 AM - 6:30 AM
2:38 PM - 5:08 PM

Minor Periods

12:00 AM - 12:00 AM
6:54 AM - 8:24 AM

Action Rating: 4 out of 5

Monday, April 20, 2026

Weather Forecast

Partly Cloudy
52.9°F
43.9°F
48°F
47%
0 in
0%
0%
16.8 mph
6.2


Air Quality

AQI: 1 - Good
PM2.5: 4.96 μg/m3
PM10: 5.52 μg/m3
Carbon Monoxide: 197.37 μg/m3
Nitrogen Dioxide: 5.93 μg/m3
Sulphur Dioxide: 4.17 μg/m3
Ozone: 97.84 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 1:04 PM
Sunset: 7:48 PM
Daylight: 13 hrs 26 mins
Moonrise: 8:14 AM
Moon Transit: 4:12 PM
Moonset: 12:02 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
3:42 PM - 6:12 PM

Minor Periods

7:44 AM - 9:14 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Sunny
56.8°F
40.1°F
47.1°F
51%
0 in
0%
0%
16.8 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 4.81 μg/m3
PM10: 5.15 μg/m3
Carbon Monoxide: 173.07 μg/m3
Nitrogen Dioxide: 4.97 μg/m3
Sulphur Dioxide: 3.89 μg/m3
Ozone: 94.12 μg/m3

Astronomical

Sunrise: 6:21 AM
Sun Transit: 1:04 PM
Sunset: 7:49 PM
Daylight: 13 hrs 28 mins
Moonrise: 9:15 AM
Moon Transit: 5:17 PM
Moonset: 12:15 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

6:08 AM - 8:38 AM
4:47 PM - 7:17 PM

Minor Periods

8:45 AM - 10:15 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, April 22, 2026

Weather Forecast

Patchy rain nearby
65.2°F
49.3°F
56°F
69%
0.1 in
83%
0%
16.1 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 4.65 μg/m3
PM10: 5.02 μg/m3
Carbon Monoxide: 171.47 μg/m3
Nitrogen Dioxide: 4.07 μg/m3
Sulphur Dioxide: 2.67 μg/m3
Ozone: 105.62 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 1:04 PM
Sunset: 7:50 PM
Daylight: 13 hrs 30 mins
Moonrise: 10:25 AM
Moon Transit: 6:20 PM
Moonset: 1:17 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

7:12 AM - 9:42 AM
5:50 PM - 8:20 PM

Minor Periods

9:55 AM - 11:25 AM
12:47 AM - 2:17 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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