Beware that the road/path by Keana Point is dirt and often muddy during wet times in February.
It also had one point (and likely still does) that you may need a rope or shoulder strap to carry your bike across what can best be called a very narrow, although short, goat path with steep drop off.
Waianae is the rough part of the island and maybe not the best idea for camping. Some camping areas require permit, obtained from the city in advance. For many parks, camping is prohibited to keep the homeless from setting up permanent residence.
Land of the Free, Because of the Brave.