The entrance to Tracy Arm could be challenging in the wrong  conditions. The ebb tide can sluice through the narrow gap in the terminal moraine at over 3 knots creating heavy overfalls over the moraine reef. 

The pilot cautions that the buoys marking the gap through the moraine cannot be relied upon as they are prone to be dragged out of position by the ice from the Sawyer Glacier. However there is now a very prominent back transit located on Harbour Island to guide you safely through the gap,  and the line of icebergs grounded on both sides of the moraine reef can also provide a very visible indication  as to where the gap is located. We could find no evidence of the forward transit shown on the chart

Once over the moraine, the only sheltered anchorage in Tracy Arm is in the small cove on the west side of the arm, approximately 1.2 nm north of the entrance buoys. Holding is only moderate on the rocky bottom but no real swell seems to get into the anchorage and it is perfectly safe and comfortable in settled weather. The views from the anchorage down Endicott Arm towards Terror fords and the Sundum Glacier are stunning 

In southerly winds it is also possible to anchor just to the  north of the eastern terminal moraine, but in other winds lots of ice accumulates in this area