Gulf of Sidra at a glance
- 489 maverage depth
- 240 mmedian depth
- 1,688 mmaximum depth
- 58,371 km²water area
Gulf of Sidra is a gulf. Inside its outline the GEBCO grid has about 58,371 km² of water, with an average depth of about 489 m (the middle value is 240 m) and a maximum of 1,688 m, found at 32.08° N, 17.94° E.
Open the map at the deepest cell and tap to read the depth.
How deep is each part of the Gulf of Sidra?
The bar splits the Gulf of Sidra's water by depth. Each colour is a depth band, and the shares add up to 100%.
- 0 to 200 m: 46%
- 200 to 1,000 m: 34.1%
- 1,000 to 4,000 m: 19.9%
- 4,000 to 6,000 m: 0%
- below 6,000 m: 0%
Named features near the deepest point: Calypso Deep (578 km), Ferdinandea (740 km), Empedocles (740 km), Glabro (861 km).
The Gulf of Sidra if sea level dropped
The slider on the map lowers the sea in steps. This table shows how much of the Gulf of Sidra's water would be land at each step.
| Sea level lowered by | Becomes land | Share of its water |
|---|---|---|
| 10 m | 651 km² | 1.1% |
| 20 m | 2,408 km² | 4.1% |
| 50 m | 11,074 km² | 19% |
| 80 m | 17,400 km² | 29.8% |
| 120 m | 22,162 km² | 38% |
| 200 m | 26,839 km² | 46% |
| 500 m | 34,104 km² | 58.4% |
| 1,000 m | 46,730 km² | 80.1% |
| 2,000 m | 58,371 km² | 100% |
| 3,000 m | 58,371 km² | 100% |
| 4,000 m | 58,371 km² | 100% |
| 6,000 m | 58,371 km² | 100% |
A simple bathtub model: it lowers the sea everywhere by the same amount and does not simulate how water would really drain.
Nearby seas
- Ionian Sea average depth about 2,122 m
- Sea of Crete average depth about 696 m
- Aegean Sea average depth about 306 m
- Tyrrhenian Sea average depth about 1,596 m
- Adriatic Sea average depth about 257 m
- Sea of Marmara average depth about 319 m
Nearest by the centre of each outline. All oceans and seas
Frequently asked questions
How deep is the Gulf of Sidra?
On average about 489 m in the GEBCO grid (the middle value is 240 m). The deepest cell inside its outline is 1,688 m, at 32.08° N, 17.94° E.
How big is the Gulf of Sidra?
About 58,371 km² of water inside its Natural Earth outline, counted from the grid cells that are below sea level.
How much of the Gulf of Sidra would be land if sea level dropped?
With the sea 10 m lower, about 651 km² (1.1%) of its water would be land. At 6,000 m lower, 100% would be. This is a simple bathtub model that lowers the sea evenly everywhere.
Data: depths from the GEBCO_2026 grid, statistics worked out inside the Natural Earth outline of the gulf. See data sources and licences. The GEBCO Grid should NOT be used for navigation or for any other purpose involving safety at sea.