Surf spot

Chuns Reef

Forecast conditions and map view for Chuns Reef in USA, Hawaii, Oahu. Open the interactive surf map to inspect wind, waves, and nearby spots.

Country: USA, Hawaii, Oahu
Coordinates: 21.6242, -158.0815

Metric
Metric	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00
Wave height (m)	0.7	0.8	0.8	0.8	0.8	0.8	0.9	0.9	0.9	0.9	0.8	0.8	0.7	0.7	0.7	0.7	0.8	0.8	0.7	0.7	0.5	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.5	0.5	0.5	0.6	0.6	0.6	0.6	0.5	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.7	0.8	0.8	0.7	0.7	0.6	0.6	0.6	0.7	0.5
Wave direction	NE	NE	NE	NE	NE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	S	S	S	S	S	S	SSW	NE	NNE	NNE	NNE	S	S	S	S	S	SSW
Wave period (s)	6.7	7	7.2	7.5	7.6	7.5	7.2	7.2	7	7.2	7.5	7.5	7.7	7.7	7.5	7.3	6.8	6.8	6.3	6.7	7.3	7.3	7.2	7.2	7.1	6.7	7.2	6.3	6.5	6.8	7.2	8.8	9.8	9.9	9.9	10	10.1	9.7	10.4	10.6	10.8	9.8	10.2	10.2	10.4	10.1	6.7	6.1	6.2	6	10	12.2	12.3	12.4	12.3	11.7
Wave energy (kJ)	49	57	63	69	70	78	80	80	78	79	78	69	61	61	58	55	53	53	42	41	32	36	32	32	32	30	34	33	33	31	30	46	56	62	62	63	64	55	68	70	72	73	65	65	73	69	39	43	44	40	104	114	116	127	133	80
Wind speed (km/h)	9.8	8.7	11.2	14.6	15.1	9.2	14.1	12.2	7.5	6.5	11.2	13.9	15.8	13.4	15.5	14.3	12.3	11.2	10.1	16.2	16.1	22.3	17.5	14.2	12.6	10.1	14.1	18	20.6	19.8	15	15.2	17	20.4	23.1	25.8	24.1	23.9	23.5	23.7	22.5	22.9	23.7	26.3	25.1	24	20.7	21.7	20	19.1	20.4	23.6	23.4	21.3	18.4	16.6
Wind direction	ECross-off	ECross-off	ECross-off	ENECross	ENECross	ECross	ECross-off	ECross-off	ESECross-off	ESECross-off	ECross-off	ENECross	ENECross	ENECross	ENECross	ENECross	ECross-off	ECross-off	ENECross	ECross-off	ENECross	ENECross	ECross	ECross	ECross-off	ECross-off	ECross-off	ENECross	ENECross	ENECross	ECross	ECross	ENECross	ENECross	ENECross	ENECross	ENECross	ENECross	ENECross	ENECross	ENECross	ENECross	ENECross	ENECross	ENECross	ENECross	ENECross	ENECross	ENECross	ENECross	ECross	ECross	ECross-off	ECross-off	ECross-off	ECross-off

Chuns Reef is a well-known surf break on Oʻahu’s famed North Shore in Hawaiʻi, USA. It sits just east of Waimea Bay and is one of the area’s classic reef setups, offering a mix of powerful waves and scenic tropical surroundings.

Spot overview

Type: Reef break
Location: North Shore, Oʻahu
Best for: Intermediate to advanced surfers, depending on size and conditions
Wave quality: Can be very good when the swell aligns; known for clean, barreling waves

Conditions

Swell direction: Works best with North and Northwest swells
Wind: Offshore or light easterly trade winds are ideal
Tide: Can be sensitive to tide changes; performance varies with reef exposure
Wave character: Fast, powerful, and hollow on bigger swells, with sections that can be challenging

Hazards

Shallow reef: The reef is relatively shallow, especially at lower tide
Crowds: Like many North Shore spots, it can get busy when conditions are good
Strong currents: Can be demanding, especially on larger days

Best time of year

Winter: Peak season, when North Pacific swells bring the biggest and best waves
Summer: Generally smaller and less consistent

Atmosphere

Chuns Reef has a classic North Shore feel—beautiful, rugged, and surf-focused. It’s often less famous than nearby big-name breaks, but it can deliver excellent waves and is respected by locals for its quality when it turns on.