All spots

Turtle Reef/Turtle Bay — dive & snorkel conditions

Oʻahu, Hawaii, US · 21.702485, -158.002095 · times in Pacific/Honolulu

As of . Next update after .

Now

Rating
good (score 46/100, confidence 0.4)
Visibility
24 ft (7.3 m), satellite estimate
Swell
2.7 ft at 11 s from 337°
Wind
15 kt, gusts 15 kt, from 74°
Tide
rising, 0.57 ft above MLLW
Water temperature
26.5 °C
Why
Window's narrow but it's there. 15-kt trades, surface has some texture. No major hazards detected.

Forecast (3-hour periods)

2026-10-06
Time (local)RatingScore /100VisibilitySwellWindTide (MLLW)ConfidenceWhy
–08:00good4424 ft2.7 ft @ 11 s from 337°14 kt (gust 14 kt) from 76°rising 0.57 ft0.4Go-able, just not perfect. No major hazards detected.
–11:00excellent8858 ft2.7 ft @ 17 s from 337°13 kt (gust 13 kt) from 73°rising 1.57 ft0.4If you've been waiting, today's the day. 13-kt ENE trades pushing through, and you can see forever — 58+ ft. No major hazards detected.
–14:00excellent8162 ft2.8 ft @ 20 s from 337°14 kt (gust 14 kt) from 62°high 2.35 ft0.4Prime day — about as good as it gets here. 62 ft of gin-clear water. No major hazards detected.
–17:00good5143 ft2.9 ft @ 18 s from 337°14 kt (gust 13 kt) from 61°falling 1.52 ft0.4Go-able, just not perfect. No major hazards detected.
–20:00fair3020 ft3 ft @ 18 s from 342°11 kt (gust 11 kt) from 73°low 0.7 ft0.4Not bad — 20 ft. Only worth it if you really know this spot. No major hazards detected.
–23:00fair2423 ft3 ft @ 17 s from 342°10 kt (gust 10 kt) from 89°rising 1.03 ft0.4Marginal. You'd want to know this spot before going. 3.0-ft swell out of NNW. No major hazards detected.
–02:00no-go1622 ft3.1 ft @ 16 s from 342°8 kt (gust 8 kt) from 102°high 1.56 ft0.4Not today. No major hazards detected.
2026-10-07
Time (local)RatingScore /100VisibilitySwellWindTide (MLLW)ConfidenceWhy
–05:00no-go618 ft3.2 ft @ 16 s from 342°7 kt (gust 6 kt) from 130°falling 0.96 ft0.4Not today. No major hazards detected.
–08:00no-go1320 ft3.2 ft @ 15 s from 342°5 kt (gust 5 kt) from 159°low 0.49 ft0.4Hard pass. No major hazards detected.
–11:00great6755 ft3.2 ft @ 15 s from 342°4 kt (gust 5 kt) from 166°rising 1.36 ft0.4Today's a good one. Viz pops at 55 ft. No major hazards detected.
–14:00great6861 ft3.2 ft @ 15 s from 342°6 kt (gust 6 kt) from 215°high 2.22 ft0.4Solid window today. 61 ft of gin-clear water. 3.2 ft from the NNW. No major hazards detected.
–17:00fair3443 ft3.2 ft @ 14 s from 337°10 kt (gust 11 kt) from 212°falling 1.49 ft0.4Clean water, 43-ish feet. Locals-only kind of day. No major hazards detected.
–20:00no-go018 ft3.2 ft @ 13 s from 337°11 kt (gust 12 kt) from 204°falling 0.6 ft0.4Not today. No major hazards detected.
–23:00fair2623 ft3.2 ft @ 13 s from 337°5 kt (gust 6 kt) from 150°rising 0.95 ft0.4Not bad — 23 ft. Only worth it if you really know this spot. No major hazards detected.
–02:00fair2623 ft3.2 ft @ 13 s from 337°3 kt (gust 4 kt) from 147°rising 1.66 ft0.4Marginal. You'd want to know this spot before going. No major hazards detected.
2026-10-08
Time (local)RatingScore /100VisibilitySwellWindTide (MLLW)ConfidenceWhy
–05:00no-go519 ft3.1 ft @ 13 s from 337°5 kt (gust 7 kt) from 181°falling 1.31 ft0.4Hard pass. No major hazards detected.
–08:00no-go1321 ft3.1 ft @ 13 s from 337°13 kt (gust 14 kt) from 185°low 0.59 ft0.421-ish ft of visibility. Not today. No major hazards detected.
–11:00great6260 ft3 ft @ 12 s from 337°16 kt (gust 18 kt) from 203°rising 1.19 ft0.4Good window if you know how this spot handles wind. 60-ft visibility, though 3.0-ft swell out of NNW. Choppy surface conditions.
–14:00great7769 ft3 ft @ 12 s from 332°16 kt (gust 18 kt) from 203°rising 2 ft0.4Workable if you know the spot. 69-ft visibility, though 16-kt SSW trades pushing through. Choppy surface conditions.
–17:00good4648 ft3 ft @ 12 s from 332°16 kt (gust 18 kt) from 203°falling 1.45 ft0.4Go-able, just not perfect. Choppy surface conditions.
–20:00no-go1420 ft3 ft @ 12 s from 332°16 kt (gust 18 kt) from 203°falling 0.52 ft0.420-ish ft of visibility. Try tomorrow. Choppy surface conditions.
–23:00fair3224 ft3 ft @ 12 s from 332°16 kt (gust 18 kt) from 203°rising 0.82 ft0.4Marginal. You'd want to know this spot before going. 16-kt SSW trades pushing through. Choppy surface conditions.
–02:00no-go1924 ft3 ft @ 12 s from 332°15 kt (gust 16 kt) from 215°rising 1.68 ft0.4Decent 24-ft viz. Try tomorrow. No major hazards detected.
2026-10-09
Time (local)RatingScore /100VisibilitySwellWindTide (MLLW)ConfidenceWhy
–05:00no-go720 ft3.1 ft @ 11 s from 332°14 kt (gust 15 kt) from 221°falling 1.68 ft0.4Hard pass. No major hazards detected.
–08:00no-go720 ft3.1 ft @ 11 s from 332°14 kt (gust 15 kt) from 221°falling 0.92 ft0.4Decent 20-ft viz. Try tomorrow. No major hazards detected.
–11:00great6961 ft3.1 ft @ 11 s from 332°14 kt (gust 15 kt) from 221°rising 1.08 ft0.4Today's a good one. Viz pops at 61 ft. No major hazards detected.
–14:00great6968 ft3.1 ft @ 11 s from 332°14 kt (gust 15 kt) from 221°rising 1.79 ft0.4Today's a good one. Viz pops at 68 ft. No major hazards detected.
–17:00fair2246 ft3.2 ft @ 26 s from 332°14 kt (gust 15 kt) from 221°falling 1.39 ft0.4Marginal. You'd want to know this spot before going. No major hazards detected.
–20:00no-go019 ft3.2 ft @ 24 s from 332°14 kt (gust 15 kt) from 221°falling 0.46 ft0.4Decent 19-ft viz. Not today. No major hazards detected.
–23:00no-go723 ft3.3 ft @ 24 s from 337°14 kt (gust 15 kt) from 221°rising 0.64 ft0.423-ish ft of visibility. Try tomorrow. No major hazards detected.
–02:00fair2122 ft3.3 ft @ 23 s from 337°9 kt (gust 9 kt) from 81°rising 1.6 ft0.4Marginal. You'd want to know this spot before going. North swell wrapping into the bay at 3.3 ft. No major hazards detected.
2026-10-10
Time (local)RatingScore /100VisibilitySwellWindTide (MLLW)ConfidenceWhy
–05:00no-go218 ft3.3 ft @ 22 s from 337°6 kt (gust 6 kt) from 62°falling 2.02 ft0.418-ish ft of visibility. Stay home. No major hazards detected.
–08:00no-go218 ft3.3 ft @ 22 s from 342°6 kt (gust 6 kt) from 62°falling 1.26 ft0.4Not today. No major hazards detected.
–11:00great6355 ft3.3 ft @ 20 s from 342°6 kt (gust 6 kt) from 62°rising 1.03 ft0.4Conditions are dialed in. 55-ft visibility. No major hazards detected.
–14:00great7163 ft3.3 ft @ 20 s from 342°6 kt (gust 6 kt) from 62°rising 1.62 ft0.4Solid window today. 63 ft of gin-clear water. 3.3 ft from the NNW. No major hazards detected.
–17:00fair3644 ft3.2 ft @ 20 s from 342°6 kt (gust 6 kt) from 62°falling 1.33 ft0.444-ft viz. Only worth it if you really know this spot. 3.2-ft swell out of NNW. No major hazards detected.
–20:00no-go318 ft3.2 ft @ 18 s from 342°6 kt (gust 6 kt) from 62°falling 0.44 ft0.418-ish ft of visibility. Not today. No major hazards detected.
–23:00fair2623 ft3.1 ft @ 18 s from 342°6 kt (gust 6 kt) from 62°rising 0.44 ft0.423 ft, workable — making this one a stretch. 3.1-ft swell out of NNW. No major hazards detected.
–02:00fair2323 ft3 ft @ 15 s from 342°10 kt (gust 10 kt) from 76°rising 1.46 ft0.423 ft, workable — making this one a stretch. 3.0-ft swell out of NNW. No major hazards detected.
2026-10-11
Time (local)RatingScore /100VisibilitySwellWindTide (MLLW)ConfidenceWhy
–05:00fair3622 ft2.9 ft @ 16 s from 342°12 kt (gust 12 kt) from 83°high 2.27 ft0.4Not bad — 22 ft. Only worth it if you really know this spot. No major hazards detected.
–08:00fair2519 ft2.9 ft @ 16 s from 342°12 kt (gust 12 kt) from 83°falling 1.56 ft0.4Marginal. You'd want to know this spot before going. No major hazards detected.
–11:00great6651 ft2.8 ft @ 16 s from 342°12 kt (gust 12 kt) from 83°low 1.02 ft0.4Stacked in your favor. You can see forever — 51+ ft. No major hazards detected.
–14:00excellent9266 ft2.8 ft @ 15 s from 342°12 kt (gust 12 kt) from 83°rising 1.49 ft0.4If you've been waiting, today's the day. You can see forever — 66+ ft, and 12-kt E trades pushing through. No major hazards detected.
–17:00good5846 ft2.8 ft @ 15 s from 342°12 kt (gust 12 kt) from 83°falling 1.27 ft0.4Clean water, 46-ish feet — that's the catch, but it's still go-able. No major hazards detected.
–20:00fair2720 ft2.8 ft @ 15 s from 342°12 kt (gust 12 kt) from 83°falling 0.45 ft0.4Marginal. You'd want to know this spot before going. No major hazards detected.
–23:00good4724 ft2.8 ft @ 14 s from 342°12 kt (gust 12 kt) from 83°rising 0.27 ft0.4Decent 24-ft viz — but you can work around it. No major hazards detected.
–02:00good4324 ft2.8 ft @ 13 s from 342°14 kt (gust 14 kt) from 69°rising 1.28 ft0.424-ish ft of visibility — but you can work around it. No major hazards detected.
2026-10-12
Time (local)RatingScore /100VisibilitySwellWindTide (MLLW)ConfidenceWhy
–05:00fair3323 ft2.8 ft @ 13 s from 342°15 kt (gust 15 kt) from 62°high 2.3 ft0.4Not bad — 23 ft. Only worth it if you really know this spot. Choppy surface conditions.
–08:00no-go1919 ft2.8 ft @ 13 s from 342°15 kt (gust 15 kt) from 62°falling 1.8 ft0.4Decent 19-ft viz. Try tomorrow. Choppy surface conditions.
–11:00great6152 ft2.9 ft @ 13 s from 342°15 kt (gust 15 kt) from 62°low 1.16 ft0.4Solid, with a few asterisks. 52-ft visibility. Choppy surface conditions.
–14:00great7989 ft— @ — from —15 kt (gust 15 kt) from 62°rising 1.39 ft0.34Good window if you know how this spot handles wind. 89 ft of gin-clear water. Wind's up — 15 kt out of the ENE. Choppy surface conditions.
–17:00great6461 ft— @ — from —15 kt (gust 15 kt) from 62°falling 1.22 ft0.34Workable if you know the spot. You can see forever — 61+ ft, and 15-kt ENE trades pushing through. Choppy surface conditions.
–20:00fair2025 ft— @ — from —15 kt (gust 15 kt) from 62°falling 0.49 ft0.3425-ish ft of visibility — borderline. 15-kt ENE trades pushing through. Choppy surface conditions.
–23:00good4531 ft— @ — from —15 kt (gust 15 kt) from 62°rising 0.14 ft0.34Go-able, just not perfect. Choppy surface conditions.
–02:00good4631 ft— @ — from —15 kt (gust 14 kt) from 69°rising 1.1 ft0.34Clear enough — about 31 ft — that's the catch, but it's still go-able. No major hazards detected.

Tide events (feet above MLLW)