Gulf of Kau at a glance
- 750 maverage depth
- 449 mmedian depth
- 3,141 mmaximum depth
- 8,603 km²water area
Gulf of Kau is a gulf. Inside its outline the GEBCO grid has about 8,603 km² of water, with an average depth of about 750 m (the middle value is 449 m) and a maximum of 3,141 m, found at 1.65° N, 129.03° E.
Open the map at the deepest cell and tap to read the depth.
How deep is each part of the Gulf of Kau?
The bar splits the Gulf of Kau's water by depth. Each colour is a depth band, and the shares add up to 100%.
- 0 to 200 m: 26.1%
- 200 to 1,000 m: 42%
- 1,000 to 4,000 m: 32%
- 4,000 to 6,000 m: 0%
- below 6,000 m: 0%
Named features near the deepest point: Sangihe Trench (542 km), Submarine 1922 (598 km), Palau Trench (740 km), Palau Trench (922 km).
The Gulf of Kau if sea level dropped
The slider on the map lowers the sea in steps. This table shows how much of the Gulf of Kau's water would be land at each step.
| Sea level lowered by | Becomes land | Share of its water |
|---|---|---|
| 10 m | 391 km² | 4.5% |
| 20 m | 611 km² | 7.1% |
| 50 m | 1,133 km² | 13.2% |
| 80 m | 1,476 km² | 17.2% |
| 120 m | 1,748 km² | 20.3% |
| 200 m | 2,242 km² | 26.1% |
| 500 m | 4,532 km² | 52.7% |
| 1,000 m | 5,853 km² | 68% |
| 2,000 m | 7,803 km² | 90.7% |
| 3,000 m | 8,593 km² | 99.9% |
| 4,000 m | 8,603 km² | 100% |
| 6,000 m | 8,603 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
- Molucca Sea average depth about 2,005 m
- Halmahera Sea average depth about 799 m
- Ceram Sea average depth about 1,196 m
- Banda Sea average depth about 2,930 m
- Celebes Sea average depth about 3,561 m
- Bohol Sea average depth about 913 m
Nearest by the centre of each outline. All oceans and seas
Frequently asked questions
How deep is the Gulf of Kau?
On average about 750 m in the GEBCO grid (the middle value is 449 m). The deepest cell inside its outline is 3,141 m, at 1.65° N, 129.03° E.
How big is the Gulf of Kau?
About 8,603 km² of water inside its Natural Earth outline, counted from the grid cells that are below sea level.
How much of the Gulf of Kau would be land if sea level dropped?
With the sea 10 m lower, about 391 km² (4.5%) 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.