Lake Hartwell

Lake Hartwell

Hartwell, Hart County, GA
87.50mi²
663ft
Directions
Lake Information

Lake Hartwell is a reservoir located in the foothills of the Blue Ridge Mountains, covering parts of Georgia and South Carolina. With a surface area of 56,000 acres and over 962 miles of shoreline, it is one of the largest and most popular recreation lakes in the southeast United States. The lake was created by the Hartwell Dam, which was built in the 1950s to control flooding and generate hydroelectric power. Lake Hartwell is a popular destination for boating, fishing, swimming, and other water sports. The lake has a reputation for its excellent fishing, with abundant populations of largemouth bass, striped bass, crappie, and catfish. The lake's clear waters make it a great place for snorkeling, diving, and other underwater activities. In addition to water sports, Lake Hartwell offers a variety of recreational opportunities on its shores. The lake has over 45 parks and campgrounds, many of which offer hiking trails, picnic areas, and scenic overlooks. The Hartwell Dam and Visitor Center provide educational exhibits on the history of the lake, the surrounding area, and the importance of water conservation. Lake Hartwell also serves as an important resource for drinking water, irrigation, and industry in the surrounding area. The lake is managed by the US Army Corps of Engineers, who work to maintain the lake's water levels, quality, and recreational opportunities. Overall, Lake Hartwell is a treasured resource for both Georgia and South Carolina, providing a wealth of recreational opportunities, natural beauty, and economic benefits to the region.

Read more

Current Conditions

91°F
Feels like 93°F
MostlyCloudy
Today's High
91°F
Today's Low
75°F

Water Temperature

78°F
Updated: (Jul 13)
Sign in to contribute temps.

Latest Water Temperature Data: Current water temperature for Lake Hartwell is 78° Fahrenheit - providing real-time thermal conditions for fishing, swimming, and water recreation planning.

Current Snapshot

Wind1 mph SW (Gust 5 mph)
Pressure
29.98 inHg
Visibility26 mi
Humidity49%
Cloud Cover73%

Forecast: Tuesday, Jul 15

Day 1 of 9

Hourly Insights

7 AM
76°
10 AM
83°
1 PM
90°
4 PM
90°
40%
7 PM
87°
40%

Temperature

High
91°F
Low
75°F

Precipitation

Chance52%
Amount0.16"
Typerain

Wind

4 mph
Avg Speed
Gusts up to
18 mph
CalmModerateStrong
Max Speed8 mph

Sun, Moon & UV

Sunrise10:30 AM
Sunset12:44 AM
Moon PhasewaningGibbous
Max UV Index8 (Very High)

Weather Forecast & Fishing Conditions at Lake Hartwell

Today's weather at Lake Hartwell features partly cloudy skies with temperatures ranging from 75°F to 91°F. Wind conditions will average 4 mph with gusts reaching up to 18 mph, creating excellent fishing conditions with calm waters. The UV index will reach 8 (Very High), and there's a 52% chance of precipitation. The current water temperature is 78°F (updated Jul 13), indicating that warm-water species like bass and panfish will be highly active. These conditions will significantly impact fish behavior and angling success throughout the day.

Lake Map Views

LakeMonster PRO

Try Premium Features

Find the fishing sweet spots! See detailed temperature readings throughout your lake.

No credit card required for preview

July 3rd 2025

Weather Forecast

Tuesday

91°F
75°F

Wednesday

91°F
75°F

Thursday

92°F
76°F

Friday

93°F
76°F

Saturday

93°F
78°F

Sunday

92°F
79°F

Monday

93°F
78°F

Tuesday

93°F
78°F

Wednesday

90°F
76°F
Tuesday - 7/15/2025
91°F
75°F
12am
81°F
78°F
30.03 hPa
2 mph
SSW
G: 4 mph
2am
78°F
78°F
30.03 hPa
2 mph
ENE
G: 4 mph
4am
76°F
78°F
30.02 hPa
2 mph
E
G: 5 mph
6am
75°F
78°F
30.04 hPa
2 mph
ENE
G: 4 mph
8am
78°F
78°F
30.06 hPa
2 mph
ENE
G: 5 mph
10am
83°F
78°F
30.07 hPa
3 mph
SE
G: 7 mph
12pm
88°F
78°F
30.06 hPa
4 mph
SE
G: 7 mph
2pm
91°F
78°F
30.04 hPa
4 mph
SSE
G: 8 mph
4pm
90°F
78°F
30.00 hPa
5 mph
SE
G: 8 mph
6pm
89°F
78°F
29.99 hPa
6 mph
SE
G: 10 mph
8pm
86°F
78°F
29.99 hPa
5 mph
SE
G: 10 mph
10pm
82°F
78°F
30.02 hPa
4 mph
ESE
G: 8 mph

Water Temperature History

Trends for Lake Hartwell

Current Temp

78°F

Measured on Jul 13

Latest recorded surface temperature.

Lowest in Period

44°F

On Jan 19

Coldest point in the Last 12 Months.

Average in Period

67°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: August (81°F).
  • Coolest avg: December (51°F).
  • Rapid warming often occurs: January → February (+13°F).
  • Sharpest cooling trend: October → November (-10°F).

Weather Forecast

Wind speed and pressure trends

Hourly Wind Forecast

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm05101520

Wind Direction

192°

Pressure

1017 mb

Cloud Cover

52%

Visibility

14 miles

Daily Pressure Forecast

TueWedThuFriSatSunMonTueWed0.008.8617.7226.5835.44
Go Premium
Better lake days, better fishing, better you with LakeMonster Pro
Relaxing app background
LakeMonster App Icon
Get a 7 day free trial

Frequently Asked Questions About Lake Hartwell

Get accurate, up-to-date information about conditions at Lake Hartwell.