Water Temperature of Foster Branch in Joppatowne, MD

Current Water Temperature

70.7°F

Measurement Time: Monday, July 27, 2026, 7:05 AM EDT

Temperature Locations

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Local Points of Interest

Gunpowder River

Foster Branch

Station Name: FOSTER BRANCH NEAR JOPPATOWNE, MD
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 39 feet

Nearest Address:
504 Foster Knoll Dr
Joppatowne, MD 21085
Harford County

GPS Coordinates: 39.40852778, -76.34263889

Nearby Water Temperatures

Plumtree Run, Bel Air, MD (6.1 mi)
Herring Run, Baltimore, MD (13 mi)
Chesapeake Bay, Tolchester Beach, MD (14.5 mi)
Northwest Harbor, Baltimore, MD (16 mi)
Susquehanna River, Darlington, MD (18 mi)
Scotts Level Branch, Milford Mill, MD (22.6 mi)
Gunpowder Falls, Parkton, MD (23.6 mi)
Chesapeake & Delaware Canal, Chesapeake City, MD (29.6 mi)
Severn River, Annapolis, MD (30.3 mi)
Chesapeake Bay, Annapolis, MD (31.3 mi)
Silver Lake Tributary, Townsend, DE (33.8 mi)
Christina River, Newark, DE (36.4 mi)
White Clay Creek, Newark, DE (37.1 mi)
West Branch White Clay Creek, Landenberg, PA (38.2 mi)
Patuxent River, Brighton, MD (38.4 mi)

Weather for Joppatowne, Maryland

Current Weather

85.8°F
Sunny
Sunny
89.4°F
90.1°F
56%
S 4.3 mph
5.6 mph
85.8°F
68.3°F
0 in
18%
6 mi
1011 mbar
5.8

Five Day Weather Forecast

Sunny
Mon
H: 93°F
L: 68°F
Patchy rain nearby
Tue
H: 80°F
L: 71°F
Partly Cloudy
Wed
H: 85°F
L: 67°F
Patchy rain nearby
Thu
H: 81°F
L: 69°F
Sunny
Fri
H: 83°F
L: 66°F

Air Quality

AQI: 1 - Good
PM2.5: 25 μg/m3
PM10: 26.2 μg/m3
Carbon Monoxide: 188 μg/m3
Nitrogen Dioxide: 4.6 μg/m3
Sulphur Dioxide: 3.4 μg/m3
Ozone: 146 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:11 PM
Sunset: 8:23 PM
Daylight: 14 hrs 22 mins
Moonrise: 7:32 PM
Moon Transit: 12:00 AM
Moonset: 3:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:04 PM - 3:34 PM

Minor Periods

7:02 PM - 8:32 PM
3:15 AM - 4:45 AM

Action Rating: 3 out of 5

Small Craft Advisory issued July 27 at 2:13AM EDT until July 28 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Mon July 27, 2026, 2:13 AM
Expires: Mon July 27, 2026, 3:15 PM

* WHAT...South winds 15 to 20 kt with gusts up to 30 kt and choppy waters expected. * WHERE...Delaware Bay waters north of East Point NJ to Slaughter Beach DE and Delaware Bay waters south of East Point NJ to Slaughter Beach DE. * WHEN...From noon to 8 PM 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 27, 2026

Weather Forecast

Sunny
93.2°F
68.4°F
78.8°F
69%
0.02 in
36%
0%
7.4 mph
8.1


Air Quality

AQI: 2 - Moderate
PM2.5: 19.93 μg/m3
PM10: 21.24 μg/m3
Carbon Monoxide: 167.17 μg/m3
Nitrogen Dioxide: 6.93 μg/m3
Sulphur Dioxide: 2.11 μg/m3
Ozone: 122.71 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:11 PM
Sunset: 8:23 PM
Daylight: 14 hrs 22 mins
Moonrise: 7:32 PM
Moon Transit: 12:00 AM
Moonset: 3:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:04 PM - 3:34 PM

Minor Periods

7:02 PM - 8:32 PM
3:15 AM - 4:45 AM

Action Rating: 3 out of 5

Tuesday, July 28, 2026

Weather Forecast

Patchy rain nearby
80.3°F
70.5°F
73.5°F
85%
0.48 in
85%
0%
9.4 mph
4.1


Air Quality

AQI: 2 - Moderate
PM2.5: 15.76 μg/m3
PM10: 16.22 μg/m3
Carbon Monoxide: 162.63 μg/m3
Nitrogen Dioxide: 8.2 μg/m3
Sulphur Dioxide: 1.82 μg/m3
Ozone: 104.46 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:11 PM
Sunset: 8:22 PM
Daylight: 14 hrs 20 mins
Moonrise: 8:09 PM
Moon Transit: 12:06 AM
Moonset: 4:46 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:54 PM - 4:24 PM

Minor Periods

7:39 PM - 9:09 PM
4:16 AM - 5:46 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Partly Cloudy
84.6°F
67.1°F
75°F
73%
0.01 in
21%
0%
12.1 mph
6.2


Air Quality

AQI: 1 - Good
PM2.5: 4.32 μg/m3
PM10: 4.36 μg/m3
Carbon Monoxide: 163.71 μg/m3
Nitrogen Dioxide: 6.09 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 101.21 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:11 PM
Sunset: 8:21 PM
Daylight: 14 hrs 18 mins
Moonrise: 8:39 PM
Moon Transit: 12:55 AM
Moonset: 5:49 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:25 AM - 2:55 AM
2:41 PM - 5:11 PM

Minor Periods

8:09 PM - 9:39 PM
5:19 AM - 6:49 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Patchy rain nearby
81.1°F
68.8°F
74.4°F
71%
0.03 in
39%
0%
14.3 mph
5.2


Air Quality

AQI: 1 - Good
PM2.5: 3.96 μg/m3
PM10: 4.02 μg/m3
Carbon Monoxide: 158.4 μg/m3
Nitrogen Dioxide: 5.24 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 83.21 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:11 PM
Sunset: 8:20 PM
Daylight: 14 hrs 16 mins
Moonrise: 9:05 PM
Moon Transit: 1:42 AM
Moonset: 6:53 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:12 AM - 3:42 AM
3:27 PM - 5:57 PM

Minor Periods

8:35 PM - 10:05 PM
6:23 AM - 7:53 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Sunny
83.1°F
66.2°F
74.7°F
70%
0 in
17%
0%
9.6 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 3.89 μg/m3
PM10: 4.01 μg/m3
Carbon Monoxide: 184.89 μg/m3
Nitrogen Dioxide: 7.5 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 63.56 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:11 PM
Sunset: 8:19 PM
Daylight: 14 hrs 14 mins
Moonrise: 9:28 PM
Moon Transit: 2:26 AM
Moonset: 7:57 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

1:56 AM - 4:26 AM
4:11 PM - 6:41 PM

Minor Periods

8:58 PM - 10:28 PM
7:27 AM - 8:57 AM

Action Rating: 3 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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