Midway’s normal diving season extends from May through September, although shore dives may be done under the piers throughout the year.  The best diving conditions occur during August and September.  Sites are 5 to 30 minutes away from the harbor.  Typical reefs are expanses of rugged limestone with numerous ledges, tunnels, and canyons. Most sites have mooring buoys and dives are generally conducted while at-anchor.  Drift dives are not regularly conducted since Midway lacks well-defined walls or drop-offs of typical atolls.  Night diving is only conducted within the lagoon at the Tugboat Pier on a case-by-case basis, since Galapagos Sharks and Amberjack become aggressive after sunset.  
Midway is one of the best places in the world to see & photograph Hawaiian fishes; big, rare, and endemic species in abundance, all friendly with divers.  Since Midway is the only Northwestern Hawaiian Island open for sport diving, new species records or range extensions are still be made by our divemasters.  Daily sites are selected according to water conditions, experience level, and specific interests.  Many popular sites are located along the southwest rim of the barrier reef. Currents at most areas are mild except during the full or new moon.  Periods of calm give way to strong tradewinds or swells throughout the boat diving season.  Alternate sites are chosen when such conditions exist, often at unexplored regions.
Scuba diving is not currently available at Midway.  A new visitor program will start in 2007 and water activities will be limited to boat and snorkel tours in the lagoon.  Scuba diving may be reinstated a year or two later if this is successful.

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