I agree with TOMMAYS. My experience was many years in ond outside of San Francisco Bay, LOTS of commercial traffic. Don't know what your area is like, but if there is much ship and barge traffic they will close on you at an alarming rate. A few times I had them get a lot closer than I wanted by the time I got the motor started and finally got some speed up. The ships can be limited to where they can go. For liability purposes they might try full astern
before they run you down. If you lose your wind with commercial traffic around you can be in great danger.