A sort of opposite approach to carrying a heavier, more wind-proof tent is to take advantage of the added per-day mileage that a person can do with a fairly light base weight (this is a lightweight backpacking forum thread after all ... :)).

I.e., if you can comfortably do more miles, you have a wider range of landforms to choose among if you anticipate fairly high winds (doesn't help of course if the wind comes up unexpectedly high after dark ...). So pick among the best options you can find between, perhaps, vegetation wind blocks of whatever forms (brush, woods), lee sides of hills, large fallen logs, ... my most memorable windy night was spent behind a large boulder. More distance == more options.
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Brian Lewis
http://postholer.com/brianle