Water Temperature of the Washington Channel in Washington, DC

Current Water Temperature

85.1°F

Measurement Time: Monday, July 20, 2026, 6:42 AM EDT

Today's Tides

 High: July 20, 1:21 AM, 3.2 ft
Low: July 20, 8:21 AM, 0.5 ft
 High: July 20, 1:41 PM, 2.9 ft
Low: July 20, 8:31 PM, 0.4 ft

Temperature Locations

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Local Points of Interest

Potomac River; East Potomac Park; Southwest Waterfront Park

Washington Channel

Station Name: Washington
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet

Sensor Depth: -9 feet

Nearest Address:
Ohio Dr SW
Washington, DC 20024
District of Columbia County

GPS Coordinates: 38.873, -77.0217

Nearby Water Temperatures

Sligo Creek, Takoma Park, MD (7.9 mi)
Northeast Branch Anacostia River, Riverdale Park, MD (7.9 mi)
Dead Run, McLean, VA (10.2 mi)
Paint Branch, Calverton, MD (11.5 mi)
Difficult Run, McLean, VA (14 mi)
Difficult Run, Oakton, VA (16.7 mi)
Patuxent River, Brighton, MD (22.1 mi)
Severn River, Annapolis, MD (30.1 mi)
Chesapeake Bay, Annapolis, MD (31.5 mi)
Northwest Harbor, Baltimore, MD (36.1 mi)
Scotts Level Branch, Milford Mill, MD (36.5 mi)
Upper Machedoc Creek, Dahlgren, VA (38.2 mi)
Potomac River, Point of Rocks, MD (39.3 mi)
Chesapeake Bay, Cambridge, MD (39.4 mi)
Herring Run, Baltimore, MD (39.6 mi)

Weather for Washington, District of Columbia

Current Weather

72°F
Partly cloudy
Partly cloudy
76.3°F
66.2°F
71%
NE 4.7 mph
8.9 mph
66.2°F
60.5°F
0 in
75%
9 mi
1015 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 96°F
L: 66°F
Partly Cloudy
Tue
H: 95°F
L: 71°F
Sunny
Wed
H: 88°F
L: 69°F
Sunny
Thu
H: 83°F
L: 62°F
Sunny
Fri
H: 88°F
L: 60°F

Air Quality

AQI: 1 - Good
PM2.5: 15 μg/m3
PM10: 15.1 μg/m3
Carbon Monoxide: 311 μg/m3
Nitrogen Dioxide: 19.7 μg/m3
Sulphur Dioxide: 2.9 μg/m3
Ozone: 38 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:14 PM
Sunset: 8:30 PM
Daylight: 14 hrs 31 mins
Moonrise: 12:57 AM
Moon Transit: 6:28 PM
Moonset: 12:29 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

7:24 AM - 9:54 AM
5:58 PM - 8:28 PM

Minor Periods

12:27 AM - 1:57 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Small Craft Advisory issued July 20 at 2:53AM EDT until July 21 at 5:00AM EDT by NWS Baltimore MD/Washington DC

Effective: Mon July 20, 2026, 2:53 AM
Expires: Mon July 20, 2026, 11:00 AM

* WHAT...South winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE...Chesapeake Bay from Pooles Island MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, Choptank River to Cambridge MD and the Little Choptank River, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...From 8 PM this evening to 5 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Monday, July 20, 2026

Weather Forecast

Sunny
96.1°F
66.2°F
79.1°F
58%
0 in
3%
0%
9.4 mph
7.6


Air Quality

AQI: 1 - Good
PM2.5: 13.62 μg/m3
PM10: 13.84 μg/m3
Carbon Monoxide: 247.54 μg/m3
Nitrogen Dioxide: 11.43 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 83.13 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:14 PM
Sunset: 8:30 PM
Daylight: 14 hrs 31 mins
Moonrise: 12:57 AM
Moon Transit: 6:28 PM
Moonset: 12:29 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

7:24 AM - 9:54 AM
5:58 PM - 8:28 PM

Minor Periods

12:27 AM - 1:57 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, July 21, 2026

Weather Forecast

Partly Cloudy
94.5°F
70.7°F
78.1°F
80%
0.56 in
81%
0%
8.5 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 8.5 μg/m3
PM10: 8.93 μg/m3
Carbon Monoxide: 192.13 μg/m3
Nitrogen Dioxide: 5.6 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 90.96 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:14 PM
Sunset: 8:29 PM
Daylight: 14 hrs 29 mins
Moonrise: 2:00 PM
Moon Transit: 7:12 PM
Moonset: 12:53 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

8:07 AM - 10:37 AM
6:42 PM - 9:12 PM

Minor Periods

1:30 PM - 3:00 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Sunny
88.3°F
68.5°F
76.6°F
66%
0.01 in
17%
0%
13.6 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 5.5 μg/m3
PM10: 5.68 μg/m3
Carbon Monoxide: 172.29 μg/m3
Nitrogen Dioxide: 5.38 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 84.17 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:14 PM
Sunset: 8:28 PM
Daylight: 14 hrs 28 mins
Moonrise: 3:03 PM
Moon Transit: 7:58 PM
Moonset: 12:19 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

8:52 AM - 11:22 AM
7:28 PM - 9:58 PM

Minor Periods

2:33 PM - 4:03 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 23, 2026

Weather Forecast

Sunny
82.7°F
62°F
71.5°F
48%
0 in
2%
0%
8.7 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 5.45 μg/m3
PM10: 5.49 μg/m3
Carbon Monoxide: 189.46 μg/m3
Nitrogen Dioxide: 7.05 μg/m3
Sulphur Dioxide: 1.63 μg/m3
Ozone: 87.79 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:14 PM
Sunset: 8:28 PM
Daylight: 14 hrs 26 mins
Moonrise: 4:05 PM
Moon Transit: 8:46 PM
Moonset: 12:49 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

9:39 AM - 12:09 AM
8:16 PM - 10:46 PM

Minor Periods

3:35 PM - 5:05 PM
12:19 AM - 1:49 AM

Action Rating: 3 out of 5

Friday, July 24, 2026

Weather Forecast

Sunny
87.6°F
59.8°F
73.7°F
47%
0 in
2%
0%
5.4 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 12.09 μg/m3
PM10: 12.21 μg/m3
Carbon Monoxide: 263.11 μg/m3
Nitrogen Dioxide: 26.21 μg/m3
Sulphur Dioxide: 2.77 μg/m3
Ozone: 48.56 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:14 PM
Sunset: 8:27 PM
Daylight: 14 hrs 24 mins
Moonrise: 5:05 PM
Moon Transit: 9:36 PM
Moonset: 1:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

10:28 AM - 12:58 AM
9:06 PM - 11:36 PM

Minor Periods

4:35 PM - 6:05 PM
12:53 AM - 2:23 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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