NOS aerial shot from 10/1/93 |
These shores, the shallow northern boundary
of the Ka iwi Channel, are home to a rich diversity of marine algae. Near shore
tidal currents link much of this stretch of O’ahu coastline from Koko Head to the
east through to Mamala Bay on the west with directions of flow varying at least with the
tide. As you approach this site from land you will see an obvious intertidal solution benches about 1 to 2 m wide but running long stretches of the sandy beach. Such benches are typical of the tidal habitat as you head toward Diamond Head from this site. The reef crest (where the waves break) is about 120 m from shore. The Natatorium can also be seen. |
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USGS Topographic map of Ka ala wai |
Standing on the sandy beach, you can easily
cross the narrow tidal bench and get in the water. Or you can walk towards Koko Head,
along the basalt wall and over Ku piki pikio Point. Here basaltic boulders dominate
in the intertidal spray zone. This point is a high wave energy site. Be extremely
cautious and watch wave sets so that you will not be swept off. Once (safely) in the water, you’ll see that the reef region is extensive and has a diversity of algae available via snorkeling within the reef flat. As you approach the reef crest, you will experience a lot more water motion but be able to see algae typical of high hydrodynamic flows. Watch out for windsurfers and surfers in the area! |
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Directions from the University:
Be sure to bring:
We will bring:
There are no freshwater showers or other amenities for creature comforts.. plan accordingly! |
