Chuns Reef 48 hour detailed Surf Forecast

Lat Long: 21.62° N 158.08° W

Issued: 1 am 02 Oct 2026 (local time)

Forecast update in hr min

Today's Chuns Reef sea temperature is

27.0°C

Chuns Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Surf Forecasts:

How big are the waves at Chuns Reef today (02 Oct):

Morning surf: Morning surf (02 Oct, local time) - 2.5ft (0.7m), 10s period with NNW swell.
Afternoon surf: Afternoon surf (02 Oct, local time) - 2.5ft (0.8m), 9s period with NNW swell.
Evening surf: Evening surf (02 Oct, local time) - 2.5ft (0.8m), 9s period with N swell.

The current surf forecast for Chuns Reef at 8AM is: 0.7m 10s primary swell from a North-northwest direction (forecast issued at 01:00am October 02). An open ocean swell of 0.6m 7s is not directed at the surf break, a second open ocean swell of 1.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (02 Oct)	2.5ft (0.7m)	10s
Afternoon (02 Oct)	2.5ft (0.8m)	9s
Evening (02 Oct)	2.5ft (0.8m)	9s

Table - waves today at Chuns Reef. (Swell directed towards the surf break)

	Short Range Forecast Light rain (total 3mm), mostly falling on Fri afternoon. Warm (max 27°C on Fri morning, min 24°C on Fri night). Winds increasing (light winds from the E on Fri afternoon, fresh winds from the ENE by Sun night).
	Friday 2								Saturday 3								Sunday 4
	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM
Rating (10 max)	2	0	0	1	1	1	1	2	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 7	NNW 10	NNW 10	NNW 9	NNW 9	NNW 9	N 9	N 9	N 9	N 9	N 9	N 9	N 9	ENE 8	ENE 8	ENE 8	N 8	N 8	NW 12	NW 12	NNW 11	NNW 11	E 16	ENE 6
Wave Graph
kJ	156	109	96	113	113	110	106	106	106	78	78	76	74	120	115	109	47	34	48	36	50	47	45	230
Wind (km/h)	ESE	ESE	ESE	ESE	ESE	E	E	E	E	E	E	E	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	NE	ENE	ENE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	off	cross-off	cross-off	off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide				8:05AM0.52m				8:04PM0.14m				9:22AM0.52m				10:09PM0.16m				10:30AM0.52m
Low Tide						3:36PM0.12m			11:52PM0.08m					4:29PM0.09m			1:34AM0.09m						5:04PM0.07m


	—	6:22	—	—	—	—	—	—	—	6:24	—	—	—	—	—	—	—	6:24	—	—	—	—	—	—
	—	—	—	—	—	6:19	—	—	—	—	—	—	—	6:17	—	—	—	—	—	—	—	6:16	—	—
mm	1	1	—	—	1	2	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	25	25	25	27	26	26	25	25	25	24	24	26	26	25	25	25	25	24	25	25	26	25	25	25
Feels °C	26	26	26	29	28	28	27	27	27	25	24	26	26	24	26	24	25	23	23	23	24	23	23	23
Swell 1 Height (m) Direction Period (s)	NNW 10	NNW 10	NNW 10	NNW 9	NNW 9	NNW 9	N 9	N 9	N 9	N 9	N 9	N 9	N 9	N 9	N 8	N 8	N 8	N 8	N 8	N 8	N 8	N 8	NNW 11	NNW 10
kJ	77	109	96	113	113	110	106	106	106	78	78	76	74	52	50	49	47	34	48	33	32	30	45	40
Swell 2 Height (m) Direction Period (s)	WSW 7	WSW 7	WSW 7	E 7	WSW 8	E 7	WSW 8	WSW 8	W 7	W 7	WSW 7	WSW 7	WSW 7	WSW 7	WSW 7	WSW 7	WSW 7	NNW 13	NW 12	NW 12	NNW 11	NNW 11	E 16	NNE 8
kJ	30	28	38	48	51	39	45	32	28	26	16	16	16	17	18	18	10	32	38	36	50	47	45	19
Swell 3 Height (m) Direction Period (s)	E 12	E 12	E 12	WSW 8	E 7	WSW 8	SSW 13	E 11	E 11	SSW 11	SSW 11	E 11	SSW 10	SSW 10	SSW 10	SSW 10	SSW 12	W 7	W 7	SSW 12	SSW 12	E 16	SSW 19	E 16
kJ	45	44	44	53	37	49	32	23	10	12	12	21	11	11	11	10	28	8	8	14	14	20	34	44
Wind waves Height (m) Direction Period (s)	E 7	E 6	E 6	E 6	E 6	E 5	E 7	E 7	E 7	E 6	E 6	E 6	E 6	ENE 8	ENE 8	ENE 8	ENE 5	ENE 6	ENE 6	ENE 6	ENE 6	ENE 6	ENE 6	ENE 6
kJ	156	95	96	59	48	37	86	86	100	72	75	64	62	120	115	109	56	126	132	137	132	135	216	230
Nearest Offshore or Glassy	Chuns and Jocks Reefs HAW - Oahu	Chuns and Jocks Reefs HAW - Oahu	Chuns and Jocks Reefs HAW - Oahu	Chuns and Jocks Reefs HAW - Oahu	Chuns and Jocks Reefs HAW - Oahu	Chuns and Jocks Reefs HAW - Oahu	Chuns and Jocks Reefs HAW - Oahu	Chuns and Jocks Reefs HAW - Oahu	Chuns and Jocks Reefs HAW - Oahu	Aligator Rock HAW - Oahu	Aligator Rock HAW - Oahu	Aligator Rock HAW - Oahu	Klausmeyers HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Yokohama Bay HAW - Oahu	Yokohama Bay HAW - Oahu	Klausmeyers HAW - Oahu	Klausmeyers HAW - Oahu	Mala wharf HAW - Maui	Mala wharf HAW - Maui	Lahilahi Point HAW - Oahu
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	2	1	1	1	1	1	1	2	2	1	1	3
Distance (km)	0	0	0	0	0	0	0	0	0	1	1	1	22	3	3	3	3	19	19	22	22	165	165	23
Best forecast wave conditions in Oahu	Pipeline	Ranches	Ranches	Pipeline	Pipeline	Ranches	Pipeline	Ranches	Ranches	Ranches	Ranches	Ranches	Barber's Point - Coast Guard Jetty	Ranches	Ranches	Ranches	Ranches	Ranches	Lahilahi Point	Tracks (Nanakuli)	Lahilahi Point			Lahilahi Point
Rating (10 max)	2	1	1	1	2	1	2	1	1	1	1	1	2	1	1	1	1	1	2	2	2			3
Best forecast wave conditions in United States	Ghost Tree CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Super Tubes CAL - Ventura	Ghost Tree CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Ranches HAW - Oahu	Fossil Beach Kodiak Alaska - Kodiak Island	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	The Wedge CAL - Orange County	The Wedge CAL - Orange County	The Wedge CAL - Orange County	The Wedge CAL - Orange County	Tijuana Sloughs Baja Norte	Cojo CAL - Santa Barbara	Mouse Rock CAL - San Luis Obispo	Magics HAW - Big Island	Majors Bay HAW - Kaua'i
Rating (10 max)	3	3	2	1	2	2	2	2	2	2	2	1	3	2	2	2	2	2	2	2	2	2	3	3
Header Global	Trial Harbour Australia	Papatowai New Zealand	Dunedin - Bobs Beach New Zealand	Cobblestones Australia	Cobblestones Australia	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Gas Bay Australia	Cow Bombie Australia	Cow Bombie Australia	Injidup Carpark Australia	Bali Village Indonesia	Puertecillo Chile	Buchupureo Chile	Buchupureo Chile	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Easter Reef Australia	Bancoora Australia	Ahijedero Mexico	Niyodo Rivermouth Japan
Rating (10 max)	6	6	6	5	5	6	5	5	5	5	5	5	4	5	5	5	7	7	7	6	5	4	4	5

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

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Chuns Reef 48 hour detailed Surf Forecast

How big are the waves at Chuns Reef today (02 Oct):

Short Range Forecast

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