The breeding season is from November to July. Nesting time is the 'only' time they spend on land which is roughly 290 days each year. The hike is eroded. Be careful when hiking along the trail. Carry enough water; it's often pretty sunny and hot without any shelter.
The drier season is from May until October. The north and east coast get more rain than south and west which is the leeward side. Even in winter, in the 'rainy' season from November to March you don't have to worry: Mostly showers are short and the sun returns quickly to the western part.
Low season in spring between mid-April and mid-June as well as in fall from September to November. Busier during the "Golden Week" in Japan end of April until the beginning of May. Busy and increasing rates in summer, during Christmas, New Year's Eve and on Independence Day.
The KA'ENA Point Trail is located on the north shore of O'ahu. Two trails are leading to the Ka'ena Point. One on the north side from the Mokule‘ia side and the other from the south the Wai‘anae side. It is not a circular trail and it is about 2.5 miles / 4 km long one way. For the return you need to walk the same way back. It is a beautiful trail towards a breeding place of the Laysan Albatross. Almost 100 % of this bird call the Northwestern Hawaiian Islands there home with an estimated population of 2.5 million. It sounds high but the albatross is near threatened. They can get 40-60 years old. Juveniles stay out at sea for roughly five years.
Be prepared and take water with you there isn't any shelter. On both sides is a beautiful beach close to the car park. Further information about the Kaena Point Trail