Full Moon Tide Swings Set the Pace Across the Islands

What's next

Watch the turn windows rather than the whole tide cycle. At Honolulu, the low sits near 9:55pm with the next high building through the small hours to around 4:25am; Kahului runs slightly ahead, low near 10:20pm and high by roughly 2:45am. Full Moon tides like these typically peak in range over the next day or two before easing back toward the following quarter, so the strongest current — and the best window to fish moving water — sits in this stretch rather than later in the week.

Weekend timing follows the same overnight-to-predawn pattern at both stations, so plan around the late-night low into the early-morning high rather than midday slack. Nothing in the current intel points to a specific bite pattern locally, so lean on the tide-change windows themselves as the read this week.

Context

Water temperatures in the low-to-mid 80s at Honolulu and upper 70s to low 80s at Kahului are on schedule for late September in Hawaii — the islands are still firmly in their warm-season window, with the more pronounced cooling and bigger north-swell pattern typically still weeks out. A Full Moon this time of year reliably produces one of the more noticeable tidal ranges of the month before settling back toward average.