I am on the other side of the world but in looking at the tide charts, I would recommend July 11 and 12th, then the 18th and 19th, then Aug. 1 & 2. Disclaimer, this is based on the morning tides for those days, if you are not going out in the morning, things could change.
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"You're not a g*dda*n looney Martini, you're a fisherman"

R.P. McMurphy - One Flew Over The Cuckoo's Nest