Name: Ocean conditions forecast for Black Rock (Kaanapali)
Creator: KaiCast

Now

Rating: good (score 59/100, confidence 0.66)
Visibility: 32 ft (9.8 m), satellite estimate
Swell: 2.8 ft at 12 s from 176°
Wind: 4 kt, gusts 4 kt, from 218°
Tide: rising, 0.66 ft above MLLW
Water temperature: 26.7 °C
Why: Clear enough — about 32 ft — but you can work around it. No major hazards detected.

Forecast (3-hour periods)

2026-10-07
Time (local)	Rating	Score /100	Visibility	Swell	Wind	Tide (MLLW)	Confidence	Why
05:00–08:00	good	59	32 ft	2.8 ft @ 12 s from 175°	4 kt (gust 4 kt) from 218°	rising 0.66 ft	0.66	Window's narrow but it's there. No major hazards detected.
08:00–11:00	excellent	100	60 ft	2.8 ft @ 12 s from 177°	5 kt (gust 5 kt) from 212°	rising 1.46 ft	0.66	About as clean as this spot ever runs. 60-ft visibility, though glassy surface. No major hazards detected.
11:00–14:00	excellent	93	63 ft	2.9 ft @ 12 s from 178°	10 kt (gust 10 kt) from 169°	high 2.43 ft	0.66	Drop everything; this is the window. Viz pops at 63 ft — plus 2.3 ft, easy. No major hazards detected.
14:00–17:00	great	65	45 ft	3 ft @ 12 s from 179°	9 kt (gust 9 kt) from 159°	falling 1.58 ft	0.66	Stacked in your favor. 45 ft of visibility, and mellow 2.5-ft swell from S. No major hazards detected.
17:00–20:00	fair	38	18 ft	3 ft @ 12 s from 180°	6 kt (gust 7 kt) from 149°	falling 0.58 ft	0.66	18-ish ft of visibility — borderline. No major hazards detected.
20:00–23:00	good	59	22 ft	3 ft @ 13 s from 180°	5 kt (gust 5 kt) from 158°	rising 1.01 ft	0.66	22-ish ft of visibility — but you can work around it. No major hazards detected.
23:00–02:00	good	59	22 ft	3 ft @ 13 s from 180°	7 kt (gust 8 kt) from 174°	rising 1.83 ft	0.66	22-ish ft of visibility — but you can work around it. No major hazards detected.

2026-10-08
Time (local)	Rating	Score /100	Visibility	Swell	Wind	Tide (MLLW)	Confidence	Why
02:00–05:00	fair	36	18 ft	3 ft @ 12 s from 179°	9 kt (gust 11 kt) from 173°	falling 1.32 ft	0.66	Marginal. You'd want to know this spot before going. No major hazards detected.
05:00–08:00	good	44	20 ft	3.1 ft @ 12 s from 179°	8 kt (gust 10 kt) from 159°	low 0.49 ft	0.66	Window's narrow but it's there. No major hazards detected.
08:00–11:00	excellent	83	54 ft	3.3 ft @ 11 s from 180°	12 kt (gust 16 kt) from 167°	rising 1.25 ft	0.66	Prime day — about as good as it gets here. 2.8 ft of S groundswell. Light-moderate wind out of the SSE. No major hazards detected.
11:00–14:00	excellent	88	64 ft	3.6 ft @ 10 s from 180°	13 kt (gust 17 kt) from 174°	rising 2.2 ft	0.66	Prime day — about as good as it gets here. 64 ft of gin-clear water. 3.1 ft from the S. No major hazards detected.
14:00–17:00	good	55	42 ft	3.7 ft @ 9 s from 179°	12 kt (gust 14 kt) from 164°	falling 1.57 ft	0.66	Window's narrow but it's there. No major hazards detected.
17:00–20:00	fair	28	18 ft	3.7 ft @ 9 s from 178°	9 kt (gust 12 kt) from 160°	falling 0.52 ft	0.66	18 ft, workable — making this one a stretch. No major hazards detected.
20:00–23:00	good	51	22 ft	3.6 ft @ 9 s from 177°	8 kt (gust 11 kt) from 155°	rising 0.87 ft	0.66	Decent 22-ft viz — that's the catch, but it's still go-able. No major hazards detected.
23:00–02:00	good	56	23 ft	3.4 ft @ 10 s from 176°	8 kt (gust 11 kt) from 160°	rising 1.85 ft	0.66	Go-able, just not perfect. No major hazards detected.

2026-10-09
Time (local)	Rating	Score /100	Visibility	Swell	Wind	Tide (MLLW)	Confidence	Why
02:00–05:00	fair	36	19 ft	3.2 ft @ 10 s from 176°	8 kt (gust 11 kt) from 158°	falling 1.71 ft	0.66	19 ft, workable — making this one a stretch. No major hazards detected.
05:00–08:00	fair	35	19 ft	3.2 ft @ 10 s from 177°	8 kt (gust 10 kt) from 118°	falling 0.81 ft	0.66	19 ft, workable — making this one a stretch. No major hazards detected.
08:00–11:00	excellent	83	56 ft	3.1 ft @ 10 s from 179°	13 kt (gust 15 kt) from 72°	rising 1.08 ft	0.66	If you've been waiting, today's the day. 13-kt ENE trades pushing through, and you can see forever — 56+ ft. No major hazards detected.
11:00–14:00	excellent	94	63 ft	3.1 ft @ 11 s from 179°	13 kt (gust 15 kt) from 72°	rising 1.97 ft	0.66	If you've been waiting, today's the day. You can see forever — 63+ ft, and mellow 2.6-ft swell from S. No major hazards detected.
14:00–17:00	good	59	44 ft	3 ft @ 11 s from 179°	13 kt (gust 15 kt) from 72°	falling 1.54 ft	0.66	Clear enough — about 44 ft — but you can work around it. 13-kt ENE trades pushing through. No major hazards detected.
17:00–20:00	fair	29	19 ft	2.9 ft @ 11 s from 178°	13 kt (gust 15 kt) from 72°	falling 0.48 ft	0.66	Marginal. You'd want to know this spot before going. No major hazards detected.
20:00–23:00	good	54	25 ft	2.8 ft @ 11 s from 175°	13 kt (gust 15 kt) from 72°	rising 0.69 ft	0.66	Decent 25-ft viz. Still diveable if you're flexible. 13-kt ENE trades pushing through. No major hazards detected.
23:00–02:00	good	55	26 ft	2.6 ft @ 11 s from 170°	13 kt (gust 15 kt) from 67°	rising 1.78 ft	0.66	Window's narrow but it's there. 13-kt ENE trades pushing through. No major hazards detected.

2026-10-10
Time (local)	Rating	Score /100	Visibility	Swell	Wind	Tide (MLLW)	Confidence	Why
02:00–05:00	fair	30	19 ft	2.4 ft @ 11 s from 166°	13 kt (gust 15 kt) from 65°	falling 2.06 ft	0.66	19-ish ft of visibility — borderline. 13-kt ENE trades pushing through. No major hazards detected.
05:00–08:00	fair	33	20 ft	2.1 ft @ 11 s from 163°	13 kt (gust 15 kt) from 65°	falling 1.14 ft	0.66	20 ft, workable — making this one a stretch. 13-kt trades, surface has some texture. No major hazards detected.
08:00–11:00	excellent	98	65 ft	1.8 ft @ 11 s from 160°	13 kt (gust 15 kt) from 65°	rising 0.97 ft	0.66	Drop everything; this is the window. Wind's up — 13 kt out of the ENE — plus viz pops at 65 ft. No major hazards detected.
11:00–14:00	excellent	98	80 ft	1.4 ft @ 10 s from 153°	13 kt (gust 15 kt) from 65°	rising 1.76 ft	0.66	Prime day — about as good as it gets here. Wind's up — 13 kt out of the ENE. 80 ft of gin-clear water. No major hazards detected.
14:00–17:00	great	77	56 ft	1.1 ft @ 10 s from 146°	13 kt (gust 15 kt) from 65°	falling 1.51 ft	0.66	Conditions are dialed in. 56-ft visibility, though barely a ripple. No major hazards detected.
17:00–20:00	fair	39	25 ft	1.1 ft @ 10 s from 146°	13 kt (gust 15 kt) from 65°	falling 0.47 ft	0.66	25 ft, workable — making this one a stretch. Stiff ENE wind, 13 kt. No major hazards detected.
20:00–23:00	good	59	30 ft	1.3 ft @ 11 s from 150°	13 kt (gust 15 kt) from 65°	rising 0.48 ft	0.66	Window's narrow but it's there. Wind's up — 13 kt out of the ENE. No major hazards detected.
23:00–02:00	good	59	30 ft	1.5 ft @ 11 s from 152°	11 kt (gust 13 kt) from 66°	rising 1.63 ft	0.66	Clean water, 30-ish feet — but you can work around it. No major hazards detected.

2026-10-11
Time (local)	Rating	Score /100	Visibility	Swell	Wind	Tide (MLLW)	Confidence	Why
02:00–05:00	good	45	23 ft	1.9 ft @ 11 s from 159°	10 kt (gust 12 kt) from 67°	falling 2.35 ft	0.66	23-ish ft of visibility. Still diveable if you're flexible. No major hazards detected.
05:00–08:00	good	42	21 ft	2 ft @ 11 s from 163°	10 kt (gust 12 kt) from 67°	falling 1.46 ft	0.66	21-ish ft of visibility. Still diveable if you're flexible. No major hazards detected.
08:00–11:00	excellent	100	61 ft	2 ft @ 11 s from 164°	10 kt (gust 12 kt) from 67°	rising 0.91 ft	0.66	Drop everything; this is the window. Trade winds holding steady — plus viz pops at 61 ft. No major hazards detected.
11:00–14:00	excellent	100	68 ft	2 ft @ 11 s from 164°	10 kt (gust 12 kt) from 67°	rising 1.57 ft	0.66	Prime day — about as good as it gets here. Mellow 1.9-ft swell from SSE. 68 ft of gin-clear water. No major hazards detected.
14:00–17:00	great	73	47 ft	2 ft @ 11 s from 164°	10 kt (gust 12 kt) from 67°	falling 1.47 ft	0.66	Today's a good one. Clear enough — about 47 ft — plus mellow 1.9-ft swell from SSE. No major hazards detected.
17:00–20:00	good	41	20 ft	2.1 ft @ 12 s from 166°	10 kt (gust 12 kt) from 67°	falling 0.5 ft	0.66	Window's narrow but it's there. No major hazards detected.
20:00–23:00	good	59	27 ft	2.2 ft @ 12 s from 170°	10 kt (gust 12 kt) from 67°	rising 0.29 ft	0.66	Decent 27-ft viz — but you can work around it. No major hazards detected.
23:00–02:00	good	58	27 ft	2.2 ft @ 12 s from 170°	12 kt (gust 13 kt) from 72°	rising 1.44 ft	0.66	Decent 27-ft viz — but you can work around it. No major hazards detected.

2026-10-12
Time (local)	Rating	Score /100	Visibility	Swell	Wind	Tide (MLLW)	Confidence	Why
02:00–05:00	good	46	24 ft	2 ft @ 12 s from 167°	14 kt (gust 14 kt) from 75°	high 2.54 ft	0.66	Decent 24-ft viz — that's the catch, but it's still go-able. Wind's up — 14 kt out of the ENE. No major hazards detected.
05:00–08:00	fair	33	20 ft	1.9 ft @ 12 s from 165°	14 kt (gust 14 kt) from 75°	falling 1.73 ft	0.66	Marginal. You'd want to know this spot before going. No major hazards detected.
08:00–11:00	excellent	80	56 ft	1.9 ft @ 12 s from 164°	14 kt (gust 14 kt) from 75°	low 0.92 ft	0.66	Drop everything; this is the window. Viz pops at 56 ft. No major hazards detected.
11:00–14:00	excellent	98	71 ft	1.9 ft @ 12 s from 164°	14 kt (gust 14 kt) from 75°	rising 1.43 ft	0.66	Drop everything; this is the window. Viz pops at 71 ft — plus 1.8 ft, easy. No major hazards detected.
14:00–17:00	great	62	50 ft	1.9 ft @ 12 s from 164°	14 kt (gust 14 kt) from 75°	falling 1.43 ft	0.66	Today's a good one. Viz pops at 50 ft — plus mellow 1.8-ft swell from SSE. No major hazards detected.
17:00–20:00	fair	30	22 ft	1.8 ft @ 11 s from 161°	14 kt (gust 14 kt) from 75°	falling 0.55 ft	0.66	Marginal. You'd want to know this spot before going. No major hazards detected.
20:00–23:00	good	51	27 ft	1.8 ft @ 12 s from 162°	14 kt (gust 14 kt) from 75°	rising 0.14 ft	0.66	Go-able, just not perfect. No major hazards detected.
23:00–02:00	good	51	27 ft	1.8 ft @ 12 s from 162°	14 kt (gust 13 kt) from 76°	rising 1.22 ft	0.66	Go-able, just not perfect. Wind's up — 14 kt out of the ENE. No major hazards detected.

2026-10-13
Time (local)	Rating	Score /100	Visibility	Swell	Wind	Tide (MLLW)	Confidence	Why
02:00–05:00	good	50	26 ft	1.9 ft @ 12 s from 163°	14 kt (gust 13 kt) from 76°	rising 2.3 ft	0.66	Window's narrow but it's there. No major hazards detected.
05:00–08:00	fair	21	20 ft	1.9 ft @ 12 s from 164°	14 kt (gust 13 kt) from 76°	falling 1.92 ft	0.66	20 ft, workable — making this one a stretch. Recent rainfall suggests possible dirty water even if surface conditions look calm. Drivers: light-moderate rain last 3h (2mm); near drainage outlet; falling tide can flush dirty water from nearshore.
08:00–11:00	good	52	50 ft	1.9 ft @ 12 s from 163°	14 kt (gust 13 kt) from 76°	falling 1.23 ft	0.66	Go-able, just not perfect. Yesterday's rain is mostly flushed through already. Recent rainfall suggests possible dirty water even if surface conditions look calm. Drivers: light-moderate rain last 3h (2mm); near drainage outlet; falling tide can flush dirty water from nearshore.
11:00–14:00	excellent	81	72 ft	1.9 ft @ 12 s from 163°	14 kt (gust 13 kt) from 76°	rising 1.35 ft	0.66	Drop everything; this is the window. Viz pops at 72 ft. No major hazards detected.
14:00–17:00	good	51	49 ft	1.8 ft @ 12 s from 162°	14 kt (gust 13 kt) from 76°	falling 1.37 ft	0.66	Clean water, 49-ish feet — but you can work around it. The brown water from the rain is on its way out. Recent rainfall suggests possible dirty water even if surface conditions look calm. Drivers: light-moderate rain last 3h (2mm); near drainage outlet; falling tide can flush dirty water from nearshore.
17:00–20:00	fair	20	22 ft	1.7 ft @ 11 s from 160°	14 kt (gust 13 kt) from 76°	falling 0.61 ft	0.66	Marginal. You'd want to know this spot before going. Yesterday's rain is mostly flushed through already. Recent rainfall suggests possible dirty water even if surface conditions look calm. Drivers: light-moderate rain last 3h (2mm); near drainage outlet; falling tide can flush dirty water from nearshore.
20:00–23:00	no-go	18	26 ft	1.6 ft @ 11 s from 158°	14 kt (gust 13 kt) from 76°	low 0.05 ft	0.66	Decent 26-ft viz. Try tomorrow. No major hazards detected.
23:00–02:00	good	40	30 ft	1.5 ft @ 11 s from 156°	11 kt (gust 11 kt) from 75°	rising 1.02 ft	0.66	Clean water, 30-ish feet — but you can work around it. No major hazards detected.

Tide events (feet above MLLW)

2026-10-07 00:27 high 1.68 ft
2026-10-07 06:05 low 0.36 ft
2026-10-07 12:43 high 2.5 ft
2026-10-07 19:08 low 0.37 ft
2026-10-08 01:06 high 1.99 ft
2026-10-08 06:50 low 0.4 ft
2026-10-08 13:07 high 2.4 ft
2026-10-08 19:25 low 0.2 ft
2026-10-09 01:43 high 2.25 ft
2026-10-09 07:32 low 0.5 ft
2026-10-09 13:28 high 2.26 ft
2026-10-09 19:44 low 0.04 ft
2026-10-10 02:18 high 2.43 ft
2026-10-10 08:11 low 0.62 ft
2026-10-10 13:48 high 2.1 ft
2026-10-10 20:04 low -0.07 ft
2026-10-11 02:52 high 2.54 ft
2026-10-11 08:51 low 0.77 ft
2026-10-11 14:06 high 1.92 ft
2026-10-11 20:25 low -0.12 ft
2026-10-12 03:26 high 2.56 ft
2026-10-12 09:31 low 0.92 ft
2026-10-12 14:23 high 1.75 ft
2026-10-12 20:47 low -0.12 ft
2026-10-13 04:01 high 2.49 ft
2026-10-13 10:12 low 1.07 ft
2026-10-13 14:36 high 1.6 ft
2026-10-13 21:10 low -0.06 ft