United States · North America · US RCE
Roche Harbor
Coastal (Natural) · Very Small harbour · Alaska-Canada coastal waters; North Pacific Ocean
Port information
- Channel depth
- —
- Anchorage depth
- 7.9 m
- Berth depth
- —
- Tide range
- 1.5 m
- Max vessel draught
- —
- Water
- salt
- Likely soil (estimate)
- Sand, Silt / mud
- Position
- 48.617, -123.167
Dredgers that can do the job here
- TSHDTrailing suction hopper · Small–medium (1,000–5,000 m³)
Loose sand or silt in open water. Can work while ships keep moving and carry spoil long distances.
- WIDWater injection · Water injection
Cheap upkeep for fine silt in channels with a current.