The islands on both sides of the pass should be cleared by at least . Heavy tide rips have been observed off the east end of Amchitka Island. The pass is dangerous in heavy weather, particularly for small and medium craft; currents appear erratic in direction and velocities may be strong.
The islands on both sides of the passage should be cleared by at least . Strong currents have been observed off the east end of Amchitka Island. The passage is hazardous in rough seas, particularly for small and medium-sized vessels; currents are unpredictable in direction and speeds may be strong.