Lake Tulloch

Lake Tulloch

Copperopolis, Calaveras County, CA
2mi²
154.00ft
Directions
Lake Information

Lake Tulloch, located in Copperopolis, California, is a stunning man-made lake that is popular among locals and tourists alike. Spanning across 1,261 acres and situated at an elevation of roughly 504 feet, this lake is unique in California as it is one of the few lakes in the state that has private shoreline houses. It is a popular destination for water enthusiasts and provides a range of activities for visitors to enjoy. The lake is known for its crystal-clear blue waters, which are perfect for swimming, boating, and fishing. Anglers can catch a variety of fish species, including Rainbow Trout, Brown Trout, Largemouth Bass, Smallmouth Bass, and Catfish. The lake's deep waters and rocky shoreline provide an ideal habitat for these species, making it a prime location for anglers looking to reel in a big catch. Boating is also a popular activity on the lake, with two marinas and several boat launches available for visitors to use. Water skiing, wakeboarding, and tubing are all popular activities for those looking for an adrenaline rush, while those seeking a more relaxed experience can enjoy a peaceful cruise around the lake. The lake's shoreline is also dotted with several beautiful beaches, perfect for sunbathing and picnicking. Lake Tulloch plays a vital role in providing water to downstream users and hydroelectricity to users throughout the state. The lake is an important part of the California water supply system, and the water stored in the lake is used for irrigation, municipal, and industrial purposes. The hydroelectric power generated by the dam also provides clean energy to homes and businesses across the state. Overall, Lake Tulloch is a beautiful and exciting destination that offers a range of activities for visitors to enjoy. From fishing and boating to swimming and sunbathing, there is something for everyone at this stunning lake. Its natural beauty and important role in providing water and electricity to the state make it a unique and valuable asset to California.

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Current Conditions

80°F°
Feels like 83°F°
Clear
Today's High
86°F°
Today's Low
54°F°

Water Temperature

72°F
Updated: (May 7)
Sign in to contribute temps.

Current water temperature for Lake Tulloch is 72°F.

Current Snapshot

Wind5 mph W (Gust 9 mph)
Pressure
29.97 inHg
Visibility32 mi
Humidity34%
Cloud Cover7%

Forecast: Thursday, May 8

Day 1 of 9

Hourly Insights

7 AM
57°F°
10 AM
75°F°
1 PM
83°F°
4 PM
86°F°

Temperature

High
86°F°
Low
54°F°

Precipitation

Chance0%
Amount0.00"
Typeclear

Wind

3mph
Avg Speed
Gusts up to
12mph
CalmModerateStrong
Max Speed6 mph

Sun, Moon & UV

Sunrise12:58 PM
Sunset2:59 AM
Moon PhasewaxingGibbous
Max UV Index10 (Very High)

Solunar Fishing Forecast

Action Rating
2/5

Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)

Major Times (Best)

7:00 AM - 7:00 AM

1:30 PM - 4:00 PM

Minor Times (Good)

11:06 PM - 12:36 AM

10:28 AM - 11:58 AM

Outlook for Thursday at Lake Tulloch

Expect temperatures ranging from 54°F to 86°F. Skies look mostly clear with little chance of precipitation. Winds will be averaging 3 mph, with potential gusts reaching up to 12 mph. The maximum UV index will be 10 (Very High), so plan sun protection accordingly. For anglers, today's fishing action is rated 2/5 (Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)). Look for the best bite times during the major periods around 7:00 AM and 1:30 PM, or try the minor windows near 11:06 PM and 10:28 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Lake Tulloch.

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May 8th 2025

Lake Information

Elevation
154 ft
Area
2 mi²
Coordinates
37.905, -120.594

Weather Forecast

Thursday

86°F
54°F

Friday

91°F
57°F

Saturday

90°F
60°F

Sunday

76°F
52°F

Monday

65°F
46°F

Tuesday

66°F
46°F

Wednesday

73°F
46°F

Thursday

75°F
48°F

Friday

79°F
53°F
Thursday - 5/8/2025
86°F
54°F
12am
58°F
72°F
30.02 hPa
1 mph
S
G: 3 mph
2am
56°F
72°F
30.03 hPa
1 mph
SSE
G: 1 mph
4am
54°F
72°F
30.03 hPa
1 mph
E
G: 3 mph
6am
55°F
72°F
30.05 hPa
1 mph
ENE
G: 1 mph
8am
63°F
72°F
30.07 hPa
2 mph
NE
G: 3 mph
10am
75°F
72°F
30.08 hPa
3 mph
SSW
G: 5 mph
12pm
81°F
72°F
30.08 hPa
4 mph
WSW
G: 8 mph
2pm
83°F
72°F
30.05 hPa
4 mph
W
G: 8 mph
4pm
86°F
72°F
30.01 hPa
6 mph
WNW
G: 10 mph
6pm
85°F
72°F
29.99 hPa
6 mph
NW
G: 10 mph
8pm
79°F
72°F
30.00 hPa
4 mph
NW
G: 12 mph
10pm
69°F
72°F
30.03 hPa
3 mph
NNE
G: 6 mph

Water Temperature History

Trends for Lake Tulloch

Current Temp

Sign in to view

Latest recorded surface temperature.

Lowest in Period

43°F

On Jan 1

Coldest point in the Last 12 Months.

Average in Period

62°F

Typical temp during the Last 12 Months.

Temperature Trend: Last 12 Months

Surface temperature over the selected period.

Key Observations (Last 12 Months)

  • Warmest avg: July (84°F).
  • Coolest avg: December (47°F).
  • Rapid warming often occurs: June → July (+11°F).
  • Sharpest cooling trend: September → October (-14°F).

Weather Forecast

Wind speed and pressure trends

Hourly Wind Forecast

Wind Direction

183°

Pressure

1017 mb

Cloud Cover

3%

Visibility

16 miles

Daily Pressure Forecast

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Frequently Asked Questions About Lake Tulloch

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