For green flash watchers on the neighbor islands, simply look for a west facing shore that is not obstructed by any land mass. During some times of the year, our friendly neighbor islands can also interfere. For example from May-July here on Oahu, clouds over Kauai prevent any observations of the green flash. Without going into details, it looks like most of the neighbor islands except Kauai and the southern part of the Big Island suffer from this problem to varying degrees, especially from April-August. All rights reserved.
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