| Kapaʻa | 22,-158 | 22,-157 |
| Lihue | Oahu West | Oahu East |
| 20,-159 | 20,-158 | Lanai West |
|
Today's location: not yet announced | ||
The Oahu graticule is at latitude 21, longitude -158. It encompasses the western half of the Oahu and includes Wahiawa, Waialua, Kapolei, and Waianae. This graticule is overwhelmingly ocean which will make many geohashes difficult but not impossible.
