Chuns Reef 48 hour detailed Surf Forecast

Lat Long: 21.62° N 158.08° W

Issued: 7 am 12 Sep 2026 (local time)

Forecast update in hr min

Today's Chuns Reef sea temperature is

27.2°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 (12 Sep):

Morning surf: Morning surf (12 Sep, local time) - 3ft (0.9m), 10s period with ENE swell.
Afternoon surf: Afternoon surf (12 Sep, local time) - 2.5ft (0.8m), 10s period with ENE swell.
Evening surf: Evening surf (12 Sep, local time) - 3ft (0.9m), 9s period with NNE swell.

The current surf forecast for Chuns Reef at 10AM is: 0.9m 10s primary swell from a East-northeast direction and 0.8m 9s secondary swell from a North-northeast direction (forecast issued at 07:00am September 12). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (HST) & Date	Wave Height	Wave Period
Morning (12 Sep)	3ft (0.9m)	10s
Afternoon (12 Sep)	2.5ft (0.8m)	10s
Evening (12 Sep)	3ft (0.9m)	9s

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

	Short Range Forecast Mostly dry. Warm (max 27°C on Sat afternoon, min 24°C on Sat night). Wind will be generally light.
	Saturday 12							Sunday 13								Monday 14
	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	2	2	2	2	1	2	2	1	1	1	1	1	0	0	1	1	1	0	1	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ENE 10	ENE 10	ENE 10	ENE 10	NE 9	NNE 9	NNE 9	NNE 9	NNE 9	NNE 9	NNE 9	NE 9	NE 9	NE 9	NE 9	NE 9	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8
Wave Graph
kJ	167	160	160	128	125	141	138	135	135	138	138	112	112	115	112	123	120	118	102	82	80	69	67
Wind (km/h)	E	E	E	ENE	ENE	ENE	E	E	ESE	E	ENE	ENE	ENE	ENE	E	E	E	E	E	ENE	ENE	ENE	E
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	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	cross-off	cross-off	cross-off
High Tide	3:48AM0.44m				3:39PM0.41m				4:29AM0.46m				4:07PM0.35m					5:12AM0.47m			4:34PM0.29m
Low Tide			8:45AM0.10m				8:51PM0.03m				9:38AM0.13m				9:14PM0.04m				10:37AM0.16m				9:38PM0.05m


	6:18	—	—	—	—	—	—	—	6:18	—	—	—	—	—	—	—	6:18	—	—	—	—	—	—
	—	—	—	—	6:37	—	—	—	—	—	—	—	6:37	—	—	—	—	—	—	—	6:36	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	24	25	26	27	26	25	25	24	24	25	26	26	26	25	25	24	24	25	26	27	26	25	24
Feels °C	25	26	27	28	27	25	26	25	26	26	27	27	26	25	25	24	25	26	26	27	25	25	24
Swell 1 Height (m) Direction Period (s)	ENE 10	ENE 10	ENE 10	ENE 10	NE 9	NNE 9	NNE 9	NNE 9	NNE 9	NNE 9	NNE 9	NE 9	NE 9	NE 9	NE 9	NE 9	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8
kJ	167	160	160	128	115	141	138	135	135	138	138	112	112	115	112	123	120	118	102	82	80	69	67
Swell 2 Height (m) Direction Period (s)	NE 8	NE 8	NNE 9	NNE 9	SW 13	SW 13	SW 13	SW 13	ENE 9	ENE 9	ENE 9	ENE 9	SSW 15	SSW 15	SSW 12	NW 12	SW 14	SSW 11	SSW 14	SW 22	SW 22	SW 22	SSW 21
kJ	65	70	96	101	45	44	44	44	46	27	26	26	21	21	14	23	51	13	19	79	119	73	45
Swell 3 Height (m) Direction Period (s)	SW 15	SW 15	SW 14	SW 16	SW 16	SW 16	SW 16	NW 15	SW 13	SW 12	SW 12	NW 13	SSW 12	SSW 12	SSW 14	SW 12	NW 12	SSW 14	ENE 8	SSW 14	SSW 14	WNW 11	SSW 13
kJ	107	106	102	63	39	39	39	33	44	25	24	28	14	14	21	24	23	19	7	19	18	12	17
Wind waves Height (m) Direction Period (s)	—	—	—	—	ENE 10	ENE 10	ENE 9	ENE 9	E 4	E 5	E 5	E 5	E 9	E 9	ENE 8	E 4	E 4	E 4	E 5	E 5	ENE 5	ENE 4	ENE 5
kJ	—	—	—	—	125	94	84	84	18	20	20	15	76	54	55	7	12	19	28	28	29	25	30
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	Jockos Point 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	Chuns and Jocks Reefs HAW - Oahu	Chuns and Jocks Reefs HAW - Oahu	Chuns and Jocks Reefs HAW - Oahu	Aligator Rock HAW - Oahu	Chuns and Jocks Reefs HAW - Oahu	Aligator Rock HAW - Oahu	Aligator Rock HAW - Oahu	Off the Wall/Insanities HAW - Oahu
Rating (10 max)	1	1	1	1	1	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	0	0	0	1	0	1	1	3
Best forecast wave conditions in Oahu	Tennis Courts	Tennis Courts	Tennis Courts	Tennis Courts	Tennis Courts	Ranches	Jockos Point	Pipeline	Tennis Courts	Pipeline	Pipeline	Pipeline	Ranches	Ranches	Ranches	Ranches	Ranches	Ranches	Ranches	Off the Wall/Insanities	Ranches	Ranches	Ranches
Rating (10 max)	2	2	2	2	2	2	2	2	2	2	2	2	1	1	1	1	2	1	1	1	2	2	2
Best forecast wave conditions in United States	Mouse Rock CAL - San Luis Obispo	Tennis Courts HAW - Oahu	Tennis Courts HAW - Oahu	Tennis Courts HAW - Oahu	Tennis Courts HAW - Oahu	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Pipeline HAW - Oahu	Pipeline HAW - Oahu	Pipeline HAW - Oahu	Super Tubes CAL - Ventura	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Magics HAW - Big Island	Ranches HAW - Oahu	Steamer Lane-Middle Peak CAL - Santa Cruz	Ranches HAW - Oahu	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo
Rating (10 max)	2	2	2	2	2	2	3	3	3	2	2	2	2	4	3	3	3	1	1	2	2	4	3
Header Global	Asu Indonesia	Asu Indonesia	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Mangahume New Zealand	Papatowai New Zealand	Frigates Fiji	Fish Boma South Africa	Fish Boma South Africa	Papatowai New Zealand	Cobblestones Australia	Noises Australia	Restaurants Fiji	Frigates Fiji	Gas Bay Australia	Cintsa West South Africa	Hole-in-the-Wall South Africa	Cobblestones Australia	Cobblestones Australia	Supertubes Australia	Gas Bay Australia
Rating (10 max)	5	5	9	9	9	8	7	6	5	5	5	5	6	6	5	6	6	6	8	5	5	5	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 (12 Sep):

Short Range Forecast

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