Warm Island Water Sets Up a Predawn Bite Window
Water stayed warm across the islands this week, with NOAA CO-OPS station 1612340 off Honolulu reading 83.5°F and station 1615680 to the east at 80.2°F — a real spread for water separated by one island chain, and a sign trade-wind mixing has eased going into early autumn. The tide cycle is running low overnight into a predawn high at both gages, the kind of turn that typically stacks bait against nearshore structure right as light breaks. Hawaii Fishing News keeps the islands' tide and moon calendar current, and this stretch sits under a waning gibbous moon, trimming down toward the new moon over the coming week.
New to these readings? What water temp, tide, and moon phase mean for fishing →
Fish this water?
We're light on local intel here. Send us your report and we'll credit you.
Send a reportWhat's next
At the Honolulu gage, expect low water near 11:14 p.m. tonight sliding into high tide around 6:50 a.m., the kind of turn that puts moving water over structure right at first light. Maui's cycle runs about ninety minutes ahead, with a low near 9:43 p.m. and high by 5:02 a.m. Both patterns hold through the next several days with only minor shifts in timing, so the predawn window is the one worth building a trip around this week and into the weekend.
As the moon keeps waning toward new, dawn and dusk periods should gain relative importance for anything working nearshore structure on scent or movement rather than sight. With no storm signal in the data on hand, the more consistent variable through the weekend is the tide, not the sky — plan around the swing rather than the forecast.
Context
Late September in Hawaii sits at the seam between summer's steadier trade-wind pattern and the more variable fall-winter swell season that builds through October. Nearshore water in the low-to-mid 80s is typical for this point in the year and usually holds until surf and wind patterns shift more decisively next month. This is generally an on-schedule stretch rather than an early or late one for the islands.
Synthesized from real-time NOAA buoy data, USGS stream gauges, and current reports across regional fishing blogs, captain updates, and angler forums. Check local regulations before keeping fish. Never trust a single source for a trip decision.
EVERY SATURDAY MORNING
Weekly fishing intelligence
Nationwide conditions, what's biting, and honest gear deals. One email, no noise.
No spam. Unsubscribe anytime.