Water Temperature of the Severn River in Annapolis, MD

Current Water Temperature

74.3°F

Measurement Time: Friday, September 12, 2025, 11:12 AM EDT

Today's Tides

 Low: September 12, 3:40 AM, 0.82 ft
High: September 12, 8:51 AM, 1.38 ft
 Low: September 12, 3:14 PM, 0.31 ft
High: September 12, 10:16 PM, 1.84 ft

Temperature Locations

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Local Points of Interest

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

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Severn River

Station Name: Annapolis
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 16 feet / 5 meters

Sensor Depth: -3.0 feet / -0.9 meters

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

73.9°F
Sunny
Conditions: Sunny
Humidity: 64%
Feels Like: 77.1°F
Wind: NE 7.4 mph
Wind Gusts: 8.6 mph
Pressure: 30.21 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 4.6

Five Day Weather Forecast

Sunny
Fri
H: 78°F
L: 64°F
Fog
Sat
H: 75°F
L: 66°F
Sunny
Sun
H: 81°F
L: 68°F
Sunny
Mon
H: 79°F
L: 64°F
Sunny
Tue
H: 80°F
L: 65°F

Air Quality

AQI: 2 - Moderate
PM2.5: 11.29 μg/m3
PM10: 11.47 μg/m3
Carbon Monoxide: 444 μg/m3
Nitrogen Dioxide: 4.26 μg/m3
Sulphur Dioxide: 6.66 μg/m3
Ozone: 153 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:02 PM
Sunset: 7:18 PM
Daylight: 12 hrs 33 mins
Moonrise: 10:04 PM
Moon Transit: 4:53 AM
Moonset: 12:37 AM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

4:23 AM - 6:53 AM
6:46 PM - 9:16 PM

Minor Periods

9:34 PM - 11:04 PM
12:07 AM - 1:37 PM

Action Rating: 3 out of 5

Coastal Flood Advisory issued September 12 at 6:57AM EDT until September 12 at 8:00PM EDT by NWS Wakefield VA

Effective: Fri September 12, 2025, 6:57 AM
Expires: Fri September 12, 2025, 3:00 PM

* WHAT...Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE...Dorchester, Wicomico and Somerset Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Shallow flooding is expected in the most vulnerable locations near the waterfront and shoreline resulting in a low threat of property damage. Expect up to one foot of water above ground level in low lying, vulnerable areas. Some roads and low lying property including parking lots, parks and lawns near the waterfront will experience shallow flooding.

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: Fri September 12, 2025, 8:21 AM
Expires: Fri September 12, 2025, 8:31 AM

Monitoring message only. Please disregard.

Monitoring message only. Please disregard.


Coastal Flood Advisory issued September 12 at 6:57AM EDT until September 12 at 8:00PM EDT by NWS Wakefield VA

Effective: Fri September 12, 2025, 6:57 AM
Expires: Fri September 12, 2025, 3:00 PM

* WHAT...Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE...Dorchester, Wicomico and Somerset Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Shallow flooding is expected in the most vulnerable locations near the waterfront and shoreline resulting in a low threat of property damage. Expect up to one foot of water above ground level in low lying, vulnerable areas. Some roads and low lying property including parking lots, parks and lawns near the waterfront will experience shallow flooding.

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.


Coastal Flood Advisory issued September 12 at 6:57AM EDT until September 12 at 8:00PM EDT by NWS Wakefield VA

Effective: Fri September 12, 2025, 6:57 AM
Expires: Fri September 12, 2025, 3:00 PM

* WHAT...Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE...Portions of east central, eastern and southeast Virginia. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Shallow flooding is expected in the most vulnerable locations near the waterfront and shoreline resulting in a low threat of property damage. Expect up to one foot of water above ground level in low lying, vulnerable areas. Some roads and low lying property including parking lots, parks and lawns near the waterfront will experience shallow flooding.

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.


Coastal Flood Advisory issued September 12 at 6:57AM EDT until September 12 at 8:00PM EDT by NWS Wakefield VA

Effective: Fri September 12, 2025, 6:57 AM
Expires: Fri September 12, 2025, 3:00 PM

* WHAT...Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE...Dorchester, Wicomico and Somerset Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Shallow flooding is expected in the most vulnerable locations near the waterfront and shoreline resulting in a low threat of property damage. Expect up to one foot of water above ground level in low lying, vulnerable areas. Some roads and low lying property including parking lots, parks and lawns near the waterfront will experience shallow flooding.

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.
Friday, September 12, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 72.4°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 1.6

Air Quality

AQI: 2 - Moderate
PM2.5: 25.77 μg/m3
PM10: 26.15 μg/m3
Carbon Monoxide: 547.97 μg/m3
Nitrogen Dioxide: 27.54 μg/m3
Sulphur Dioxide: 10.14 μg/m3
Ozone: 104.88 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:02 PM
Sunset: 7:18 PM
Daylight: 12 hrs 33 mins
Moonrise: 10:04 PM
Moon Transit: 4:53 AM
Moonset: 12:37 AM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

4:23 AM - 6:53 AM
6:46 PM - 9:16 PM

Minor Periods

9:34 PM - 11:04 PM
12:07 AM - 1:37 PM

Action Rating: 3 out of 5

Saturday, September 13, 2025

Weather Forecast

Conditions: Fog
Average Temperature: 69.6°F
Average Humidity: 86%
Chance of Rain: 0%
Wind: 11.4 mph
UV Index: 1.5

Air Quality

AQI: 1 - Good
PM2.5: 12.95 μg/m3
PM10: 14.01 μg/m3
Carbon Monoxide: 405.74 μg/m3
Nitrogen Dioxide: 12.8 μg/m3
Sulphur Dioxide: 3.65 μg/m3
Ozone: 118.36 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 1:01 PM
Sunset: 7:17 PM
Daylight: 12 hrs 31 mins
Moonrise: 10:54 PM
Moon Transit: 5:53 AM
Moonset: 1:52 PM
Moon Phase: Waning Gibbous
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

5:23 AM - 7:53 AM
7:47 PM - 10:17 PM

Minor Periods

10:24 PM - 11:54 PM
1:22 PM - 2:52 PM

Action Rating: 2 out of 5

Sunday, September 14, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 73.3°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 10.1 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 13.48 μg/m3
PM10: 14.01 μg/m3
Carbon Monoxide: 388.2 μg/m3
Nitrogen Dioxide: 9.18 μg/m3
Sulphur Dioxide: 4.12 μg/m3
Ozone: 124.16 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:01 PM
Sunset: 7:15 PM
Daylight: 12 hrs 28 mins
Moonrise: 11:54 PM
Moon Transit: 6:55 AM
Moonset: 2:59 PM
Moon Phase: Last Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

6:25 AM - 8:55 AM
8:49 PM - 11:19 PM

Minor Periods

12:00 AM - 12:00 AM
2:29 PM - 3:59 PM

Action Rating: 3 out of 5

Monday, September 15, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 71.9°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 10.1 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 18.96 μg/m3
PM10: 19.54 μg/m3
Carbon Monoxide: 337.66 μg/m3
Nitrogen Dioxide: 14.25 μg/m3
Sulphur Dioxide: 4.9 μg/m3
Ozone: 127.56 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:00 PM
Sunset: 7:14 PM
Daylight: 12 hrs 26 mins
Moonrise: 12:54 AM
Moon Transit: 7:56 AM
Moonset: 3:56 PM
Moon Phase: Last Quarter
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

7:26 AM - 9:56 AM
12:00 AM - 12:00 AM

Minor Periods

3:26 PM - 4:56 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, September 16, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 71.6°F
Average Humidity: 68%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 6

Air Quality

AQI: 2 - Moderate
PM2.5: 20.07 μg/m3
PM10: 23.11 μg/m3
Carbon Monoxide: 379.82 μg/m3
Nitrogen Dioxide: 16.74 μg/m3
Sulphur Dioxide: 3.46 μg/m3
Ozone: 102.15 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:00 PM
Sunset: 7:12 PM
Daylight: 12 hrs 23 mins
Moonrise: 1:01 AM
Moon Transit: 8:55 AM
Moonset: 4:43 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

8:25 AM - 10:55 AM
12:00 AM - 12:00 AM

Minor Periods

4:13 PM - 5:43 PM
12:31 AM - 2:01 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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