Lake · Algeria
Tonga Lake
Lake in Algeria
- Area
- 10.6km²
- Average depth
- 2.6m
- Elevation
- -2m a.s.l.
- Shoreline
- 26km
- Volume
- 0.028km³
Tonga Lake is a lake in Algeria. It covers 10.6 km². On average it is 2.6 m deep. Its surface lies 2 m below sea level.
Plan your visit
Stay, sail and get there
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The water
Water temperature
There is no reliable satellite record of the water temperature for this lake yet.
On the shore, afternoons reach 30 °C on average in August and 14 °C in January. The driest month is July (5 mm of rain), the wettest December (111 mm).
From above
The whole lake from space
Month by month
The year at the lake, month by month
Not a forecast: these are averages over many years. Water is the 2013–2021 average; air, rain, sun and wind are the 1991–2020 average.
Climate: 1991–2020 average
| Month | Water°C | Water high°C | Air high°C | Air low°C | Rainmm | Rainy daysdays | Sunh/day | Windkm/h |
|---|---|---|---|---|---|---|---|---|
| January | — | — | 14 | 9 | 109 | 13 | 4.3 | 20 |
| February | — | — | 14 | 9 | 90 | 12 | 5.6 | 20 |
| March | — | — | 16 | 10 | 82 | 10 | 6.9 | 19 |
| April | — | — | 19 | 12 | 65 | 10 | 8.2 | 17 |
| May | — | — | 22 | 15 | 41 | 7 | 9.7 | 16 |
| June | — | — | 27 | 19 | 15 | 4 | 11.6 | 14 |
| July | — | — | 30 | 22 | 5 | 1 | 11.7 | 14 |
| August | — | — | 30 | 22 | 21 | 4 | 10.5 | 13 |
| September | — | — | 27 | 20 | 56 | 10 | 8.0 | 14 |
| October | — | — | 24 | 17 | 69 | 10 | 6.7 | 15 |
| November | — | — | 19 | 13 | 96 | 13 | 4.7 | 19 |
| December | — | — | 15 | 10 | 111 | 13 | 4.1 | 20 |
Water: LakeTEMP (Landsat 8, 2013–2021). Air, rain, sun and wind: NASA POWER, 1991–2020 averages. A rainy day has at least 1 mm of rain. Sunshine hours are derived from measured solar radiation.
Size & depth
How big, how deep
- On average, water stays in the lake for about 6 months before flowing out.
- Its catchment drains 161 km² of land.
- About 1.7 m³ of water flow out every second, on average.
Around the shore
What's around Tonga Lake
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- —beaches and swimming spots
- —campsites
- —boat hire and water-sport clubs
- —marinas and slipways
- —ferry piers
- 2viewpoints
Tonga, Lac Tonga
- 3hotels, B&Bs and chalets
Auberge de Jeunesse Tonga, family vacation centers Tonga Lake Sosc Sonelgaz (Fosc)
- —fishing spots
- 1restaurants and cafés
Nearest airport with scheduled flights: Tabarka-Aïn Draham International Airport (TBJ), 37 km in a straight line.
Car hire at TUN airport (Tunis)Discover Cars · Affiliate linkOpenStreetMap is built by volunteers: when a number is low, it may just mean nobody has mapped it yet.
Recent years
How each month compared
Afternoon high on the shore. The first row is the reference, the 1991–2020 average in °C; the years below show the difference from it: warmer in orange, cooler in blue.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991–2020 average | 14.0 | 14.0 | 16.1 | 18.8 | 22.1 | 26.9 | 30.2 | 30.4 | 26.8 | 23.9 | 18.8 | 15.2 |
| 2020 | +0.7 | +2.2 | +0.1 | +0.6 | +1.8 | −0.4 | +0.4 | +1.3 | +0.2 | −1.2 | +1.7 | +0.3 |
| 2021 | +0.7 | +3.0 | −0.2 | +0.3 | +1.0 | +1.9 | +1.8 | +2.7 | +3.1 | −1.2 | −0.1 | +0.1 |
| 2022 | −0.5 | +0.9 | +0.4 | +0.3 | +2.3 | +4.6 | +2.8 | +1.6 | +3.0 | +3.4 | +2.2 | +3.6 |
| 2023 | +0.4 | +1.1 | +1.8 | +1.3 | −0.7 | +0.3 | +5.0 | +0.9 | +3.0 | +3.9 | +2.2 | +1.5 |
| 2024 | +1.7 | +2.1 | +2.5 | +1.4 | +1.8 | +2.1 | +1.6 | +1.4 | +1.0 | +2.4 | +2.8 | +0.4 |
| 2025 | +1.5 | +1.7 | +2.1 | +1.0 | +0.8 | +3.0 | +1.4 | +0.4 | +2.3 | +0.3 | +0.6 | +1.0 |
+1 warmer than usual −1 cooler than usual
Tunisia
ItalyAbout these numbers
| Outline, area, depth, volume | HydroLAKES v1.0 (Messager et al. 2016) · CC BY 4.0 |
|---|---|
| Water temperature and ice | LakeTEMP v1 (Korver et al. 2024), Landsat 8 2013–2021 · CC BY 4.0 |
| Air, rain, sun, wind | NASA POWER, 1991–2020 · public domain |
| Names and description | Wikidata (Q12196899) · CC0 |
| Around the shore | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average or a count from a public dataset. Licences and methods: data sources.
