Name: Ocean conditions forecast for Ni'ihau
Creator: KaiCast

Now

Rating: no-go (score 16/100, confidence 0.56)
Visibility: 24 ft (7.3 m), satellite estimate
Swell: 3.2 ft at 11 s from 324°
Wind: 15 kt, gusts 15 kt, from 71°
Tide: low, 0.4 ft above MLLW
Water temperature: —
Why: 24-ish ft of visibility. Stay home. Choppy surface conditions.

Forecast (3-hour periods)

2026-10-06
Time (local)	Rating	Score /100	Visibility	Swell	Wind	Tide (MLLW)	Confidence	Why
05:00–08:00	no-go	18	24 ft	3.3 ft @ 11 s from 324°	15 kt (gust 14 kt) from 73°	low 0.4 ft	0.56	Not today. No major hazards detected.
08:00–11:00	great	73	63 ft	3.3 ft @ 19 s from 329°	11 kt (gust 10 kt) from 73°	rising 1.19 ft	0.56	Today's a good one. Viz pops at 63 ft — plus 3.3 ft from the NNW. No major hazards detected.
11:00–14:00	great	76	71 ft	3.4 ft @ 18 s from 333°	9 kt (gust 9 kt) from 56°	rising 1.9 ft	0.56	Conditions are dialed in. 71-ft visibility, though west swell wrapping into the bay at 3.4 ft. No major hazards detected.
14:00–17:00	good	46	50 ft	3.5 ft @ 18 s from 329°	8 kt (gust 7 kt) from 57°	falling 1.41 ft	0.56	Viz pops at 50 ft — that's the catch, but it's still go-able. No major hazards detected.
17:00–20:00	no-go	11	20 ft	3.6 ft @ 17 s from 328°	8 kt (gust 7 kt) from 64°	falling 0.65 ft	0.56	20-ish ft of visibility. Try tomorrow. No major hazards detected.
20:00–23:00	fair	30	24 ft	3.8 ft @ 16 s from 329°	8 kt (gust 7 kt) from 55°	rising 0.61 ft	0.56	Decent 24-ft viz. Locals-only kind of day. No major hazards detected.
23:00–02:00	no-go	19	24 ft	4 ft @ 16 s from 327°	7 kt (gust 7 kt) from 64°	rising 1.14 ft	0.56	Hard pass. No major hazards detected.

2026-10-07
Time (local)	Rating	Score /100	Visibility	Swell	Wind	Tide (MLLW)	Confidence	Why
02:00–05:00	no-go	0	19 ft	4.2 ft @ 15 s from 328°	5 kt (gust 4 kt) from 91°	falling 1.02 ft	0.56	Decent 19-ft viz. Try tomorrow. No major hazards detected.
05:00–08:00	no-go	0	19 ft	4.4 ft @ 15 s from 326°	4 kt (gust 4 kt) from 126°	falling 0.5 ft	0.56	19-ish ft of visibility. Not today. No major hazards detected.
08:00–11:00	good	56	57 ft	4.5 ft @ 14 s from 326°	4 kt (gust 5 kt) from 167°	rising 0.95 ft	0.56	Window's narrow but it's there. No major hazards detected.
11:00–14:00	great	61	66 ft	4.6 ft @ 14 s from 326°	4 kt (gust 5 kt) from 203°	rising 1.64 ft	0.56	Today's a good one. Viz pops at 66 ft. No major hazards detected.
14:00–17:00	fair	28	47 ft	4.6 ft @ 14 s from 324°	5 kt (gust 4 kt) from 263°	falling 1.45 ft	0.56	Clean water, 47-ish feet. Locals-only kind of day. 4.6-ft swell out of NW. No major hazards detected.
17:00–20:00	no-go	0	19 ft	4.6 ft @ 13 s from 324°	4 kt (gust 4 kt) from 232°	falling 0.66 ft	0.56	Decent 19-ft viz. Stay home. 4.6-ft swell out of NW. No major hazards detected.
20:00–23:00	no-go	15	23 ft	4.5 ft @ 13 s from 323°	5 kt (gust 6 kt) from 173°	rising 0.54 ft	0.56	Hard pass. No major hazards detected.
23:00–02:00	fair	26	24 ft	4.4 ft @ 13 s from 322°	6 kt (gust 7 kt) from 179°	rising 1.19 ft	0.56	Marginal. You'd want to know this spot before going. 4.4 ft pushing in. No major hazards detected.

2026-10-08
Time (local)	Rating	Score /100	Visibility	Swell	Wind	Tide (MLLW)	Confidence	Why
02:00–05:00	no-go	7	20 ft	4.3 ft @ 13 s from 321°	6 kt (gust 7 kt) from 176°	falling 1.35 ft	0.56	Not today. No major hazards detected.
05:00–08:00	no-go	5	20 ft	4.2 ft @ 12 s from 319°	10 kt (gust 9 kt) from 149°	falling 0.73 ft	0.56	20-ish ft of visibility. Not today. No major hazards detected.
08:00–11:00	good	46	48 ft	4 ft @ 12 s from 319°	11 kt (gust 11 kt) from 146°	rising 0.75 ft	0.56	Go-able, just not perfect. No major hazards detected.
11:00–14:00	good	51	52 ft	4 ft @ 12 s from 318°	11 kt (gust 11 kt) from 146°	rising 1.39 ft	0.56	Viz pops at 52 ft — that's the catch, but it's still go-able. No major hazards detected.
14:00–17:00	fair	23	39 ft	4.2 ft @ 12 s from 318°	11 kt (gust 11 kt) from 146°	falling 1.43 ft	0.56	Clean water, 39-ish feet. Locals-only kind of day. 4.2 ft pushing in. No major hazards detected.
17:00–20:00	no-go	0	20 ft	4.4 ft @ 12 s from 318°	11 kt (gust 11 kt) from 146°	falling 0.66 ft	0.56	Decent 20-ft viz. Try tomorrow. 4.4-ft swell out of NW. No major hazards detected.
20:00–23:00	no-go	15	24 ft	4.7 ft @ 11 s from 322°	11 kt (gust 11 kt) from 146°	rising 0.43 ft	0.56	Decent 24-ft viz. Stay home. West swell wrapping into the bay at 4.7 ft. No major hazards detected.
23:00–02:00	no-go	6	23 ft	4.8 ft @ 11 s from 322°	8 kt (gust 9 kt) from 207°	rising 1.19 ft	0.56	Hard pass. No major hazards detected.

2026-10-09
Time (local)	Rating	Score /100	Visibility	Swell	Wind	Tide (MLLW)	Confidence	Why
02:00–05:00	no-go	0	19 ft	4.9 ft @ 11 s from 322°	7 kt (gust 8 kt) from 233°	falling 1.69 ft	0.56	Not today. No major hazards detected.
05:00–08:00	no-go	0	19 ft	5 ft @ 11 s from 322°	7 kt (gust 8 kt) from 233°	falling 1.01 ft	0.56	Hard pass. No major hazards detected.
08:00–11:00	good	57	57 ft	5.1 ft @ 11 s from 324°	7 kt (gust 8 kt) from 233°	rising 0.6 ft	0.56	Window's narrow but it's there. Rougher swell than usual.
11:00–14:00	great	61	65 ft	5.3 ft @ 11 s from 325°	7 kt (gust 8 kt) from 233°	rising 1.16 ft	0.56	Workable if you know the spot. Viz pops at 65 ft. Rougher swell than usual.
14:00–17:00	fair	26	45 ft	5.3 ft @ 11 s from 327°	7 kt (gust 8 kt) from 233°	falling 1.38 ft	0.56	45-ft viz. Only worth it if you really know this spot. Solid 5.3-ft NNW groundswell. Rougher swell than usual.
17:00–20:00	no-go	0	18 ft	5.3 ft @ 11 s from 328°	7 kt (gust 8 kt) from 233°	falling 0.65 ft	0.56	Not today. Rougher swell than usual.
20:00–23:00	no-go	17	22 ft	5.5 ft @ 11 s from 330°	7 kt (gust 8 kt) from 233°	rising 0.3 ft	0.56	22-ish ft of visibility. Try tomorrow. Rougher swell than usual.
23:00–02:00	no-go	16	22 ft	5.7 ft @ 11 s from 334°	5 kt (gust 5 kt) from 301°	rising 1.13 ft	0.56	22-ish ft of visibility. Stay home. Solid west swell filling in — 5.7 ft of it. Rougher swell than usual.

2026-10-10
Time (local)	Rating	Score /100	Visibility	Swell	Wind	Tide (MLLW)	Confidence	Why
02:00–05:00	no-go	7	21 ft	5.8 ft @ 11 s from 339°	4 kt (gust 4 kt) from 329°	high 1.95 ft	0.56	Decent 21-ft viz. Stay home. Rougher swell than usual.
05:00–08:00	no-go	0	18 ft	5.7 ft @ 11 s from 342°	4 kt (gust 4 kt) from 329°	falling 1.29 ft	0.56	Hard pass. Rougher swell than usual.
08:00–11:00	fair	35	47 ft	5.5 ft @ 11 s from 344°	4 kt (gust 4 kt) from 329°	low 0.57 ft	0.56	5.5 ft is moving real water. Only worth it if you really know this spot. At least viz isn't the problem (47 ft). Rougher swell than usual.
11:00–14:00	great	67	62 ft	5.2 ft @ 11 s from 345°	4 kt (gust 4 kt) from 329°	rising 0.97 ft	0.56	Workable if you know the spot. Viz pops at 62 ft. Rougher swell than usual.
14:00–17:00	good	50	53 ft	5 ft @ 11 s from 344°	4 kt (gust 4 kt) from 329°	high 1.3 ft	0.56	5.0 ft from the NNW — but you can work around it. 53 ft of gin-clear water. No major hazards detected.
17:00–20:00	no-go	5	20 ft	4.7 ft @ 10 s from 346°	4 kt (gust 4 kt) from 329°	falling 0.63 ft	0.56	Hard pass. No major hazards detected.
20:00–23:00	no-go	11	22 ft	4.4 ft @ 10 s from 348°	4 kt (gust 4 kt) from 329°	low 0.17 ft	0.56	Not today. No major hazards detected.
23:00–02:00	fair	29	25 ft	4.2 ft @ 10 s from 345°	8 kt (gust 8 kt) from 19°	rising 1.03 ft	0.56	Marginal. You'd want to know this spot before going. No major hazards detected.

2026-10-11
Time (local)	Rating	Score /100	Visibility	Swell	Wind	Tide (MLLW)	Confidence	Why
02:00–05:00	fair	38	26 ft	3.9 ft @ 10 s from 347°	9 kt (gust 9 kt) from 42°	rising 1.89 ft	0.56	26-ish ft of visibility — borderline. 3.9 ft pushing in. No major hazards detected.
05:00–08:00	no-go	18	21 ft	3.8 ft @ 10 s from 348°	9 kt (gust 9 kt) from 42°	falling 1.54 ft	0.56	Hard pass. No major hazards detected.
08:00–11:00	good	55	52 ft	3.6 ft @ 9 s from 349°	9 kt (gust 9 kt) from 42°	falling 0.83 ft	0.56	Window's narrow but it's there. No major hazards detected.
11:00–14:00	great	74	70 ft	3.5 ft @ 14 s from 302°	9 kt (gust 9 kt) from 42°	rising 0.84 ft	0.56	Conditions are dialed in. 70-ft visibility, though 3.5-ft swell out of WNW. No major hazards detected.
14:00–17:00	great	77	60 ft	3.5 ft @ 11 s from 345°	9 kt (gust 9 kt) from 42°	high 1.19 ft	0.56	Solid window today. 60 ft of gin-clear water. No major hazards detected.
17:00–20:00	no-go	11	21 ft	3.4 ft @ 14 s from 301°	9 kt (gust 9 kt) from 42°	falling 0.62 ft	0.56	Hard pass. No major hazards detected.
20:00–23:00	no-go	15	22 ft	3.4 ft @ 14 s from 302°	9 kt (gust 9 kt) from 42°	low 0.05 ft	0.56	Hard pass. No major hazards detected.
23:00–02:00	fair	21	25 ft	3.3 ft @ 13 s from 304°	14 kt (gust 14 kt) from 57°	rising 0.9 ft	0.56	25-ish ft of visibility — borderline. 14-kt ENE trades pushing through. No major hazards detected.

2026-10-12
Time (local)	Rating	Score /100	Visibility	Swell	Wind	Tide (MLLW)	Confidence	Why
02:00–05:00	no-go	17	26 ft	3.4 ft @ 13 s from 307°	17 kt (gust 16 kt) from 65°	rising 1.76 ft	0.56	Decent 26-ft viz. Try tomorrow. Choppy surface conditions.
05:00–08:00	no-go	0	21 ft	3.5 ft @ 13 s from 305°	17 kt (gust 16 kt) from 65°	falling 1.74 ft	0.56	Not today. Choppy surface conditions.
08:00–11:00	fair	37	49 ft	3.6 ft @ 13 s from 307°	17 kt (gust 16 kt) from 65°	falling 1.07 ft	0.56	49 ft of visibility — making this one a stretch. Choppy surface conditions.
11:00–14:00	great	66	85 ft	— @ — from —	17 kt (gust 16 kt) from 65°	rising 0.75 ft	0.48	Good window if you know how this spot handles wind. Viz pops at 85 ft. Choppy surface conditions.
14:00–17:00	good	59	70 ft	— @ — from —	17 kt (gust 16 kt) from 65°	high 1 ft	0.48	Wind's up — 17 kt out of the ENE — but you can work around it. Choppy surface conditions.
17:00–20:00	no-go	7	25 ft	— @ — from —	17 kt (gust 16 kt) from 65°	falling 0.61 ft	0.48	Decent 25-ft viz. Stay home. Stiff ENE wind, 17 kt. Choppy surface conditions.
20:00–23:00	no-go	12	27 ft	— @ — from —	17 kt (gust 16 kt) from 65°	low 0.12 ft	0.48	Hard pass. Choppy surface conditions.
23:00–02:00	fair	31	31 ft	— @ — from —	15 kt (gust 15 kt) from 67°	rising 0.78 ft	0.48	Marginal. You'd want to know this spot before going. Choppy surface conditions.

Tide events (feet above MLLW)

2026-10-06 00:57 high 1.08 ft
2026-10-06 06:05 low 0.4 ft
2026-10-06 13:05 high 2.03 ft
2026-10-06 19:48 low 0.32 ft
2026-10-07 01:41 high 1.34 ft
2026-10-07 07:06 low 0.4 ft
2026-10-07 13:42 high 1.92 ft
2026-10-07 20:06 low 0.24 ft
2026-10-08 02:21 high 1.59 ft
2026-10-08 08:00 low 0.42 ft
2026-10-08 14:14 high 1.76 ft
2026-10-08 20:25 low 0.16 ft
2026-10-09 02:59 high 1.81 ft
2026-10-09 08:51 low 0.47 ft
2026-10-09 14:43 high 1.58 ft
2026-10-09 20:45 low 0.1 ft
2026-10-10 03:36 high 1.98 ft
2026-10-10 09:40 low 0.54 ft
2026-10-10 15:09 high 1.38 ft
2026-10-10 21:06 low 0.05 ft
2026-10-11 04:12 high 2.09 ft
2026-10-11 10:29 low 0.6 ft
2026-10-11 15:32 high 1.2 ft
2026-10-11 21:28 low 0.04 ft
2026-10-12 04:48 high 2.13 ft
2026-10-12 11:20 low 0.66 ft
2026-10-12 15:52 high 1.03 ft
2026-10-12 21:51 low 0.06 ft