Chuns and Jocks Reefs Surf Forecast

/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /

USA (1297 breaks) / Lat Long: (21.63° N 158.08° W)

Surf Forecasts:

Chuns and Jocks Reefs surfForecast / HAW – Oahu / USA

48hr Weather and Surf, issued 1 am Sunday 31 May 2026 HST

Forecast update in hr min s Forecast update imminent

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

Today's Chuns and Jocks Reefs sea temperature is 25.1° C
(Which is normal for this time of year)

How big are the waves at Chuns and Jocks Reefs today (31 May):

Morning surf: Morning surf (31 May, local time) - 1.5ft (0.5m), 9s period with NNW swell.
Afternoon surf: Afternoon surf (31 May, local time) - 1.5ft (0.5m), 8s period with N swell.
Evening surf: Evening surf (31 May, local time) - 2ft (0.6m), 11s period with NNW swell.

The current surf forecast for Chuns and Jocks Reefs at 9AM is: 0.5m 9s primary swell from a North-northwest direction and 0.4m 8s secondary swell from a North direction (forecast issued at 01:00am May 31). An open ocean swell of 1.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (31 May)	1.5ft (0.5m)	9s
Afternoon (31 May)	1.5ft (0.5m)	8s
Evening (31 May)	2ft (0.6m)	11s

Table - waves today at Chuns and Jocks Reefs. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

	Short Range Forecast Light rain (total 2mm), mostly falling on Tue morning. Warm (max 25°C on Sun morning, min 23°C on Sun night). Wind will be generally light.
	Sunday 31								Monday 1								Tuesday 2
	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)	1	1	1	1	1	1	0	1	1	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)	NE 8	NE 8	NNW 9	NNW 9	N 8	N 8	N 11	NNW 11	N 10	N 10	NNW 10	NNW 10	NNW 10	NNW 9	NNW 9	NNW 9	NNW 9	NNW 9	NNW 13	NNW 12	NNW 12	NNW 11	NNW 11	NNW 10
Wave Graph
kJ	90	82	49	65	33	33	85	90	74	71	75	75	52	49	47	46	46	28	55	115	142	202	194	173
Wind (km/h)	ENE	ENE	E	ENE	ENE	ENE	ENE	ENE	ENE	ENE	E	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	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	cross-off
High Tide		2:27AM0.12m				3:34PM0.52m				3:06AM0.12m				4:09PM0.51m				3:48AM0.11m				4:45PM0.50m
Low Tide			6:47AM-0.03m					10:06PM0.05m			7:19AM-0.03m					10:47PM0.05m			7:51AM-0.02m


	—	5:48	—	—	—	—	—	—	—	5:48	—	—	—	—	—	—	—	5:48	—	—	—	—	—	—
	—	—	—	—	—	7:09	—	—	—	—	—	—	—	7:10	—	—	—	—	—	—	—	7:10	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	1	—	—	—
Temp °C	23	23	24	25	25	24	24	23	23	23	23	24	25	24	24	24	23	23	23	24	25	24	24	24
Feels °C	24	23	24	26	26	24	25	24	24	24	23	24	25	24	24	24	23	23	23	24	24	23	24	24
Swell 1 Height (m) Direction Period (s)	NE 8	ESE 8	NNW 9	NNW 9	NNW 9	N 8	E 8	E 8	N 10	N 10	NNW 10	NNW 10	NNW 10	NNW 9	NNW 9	NNW 9	NNW 9	NNW 9	NNW 9	NNW 12	NNW 12	NNW 11	NNW 11	NNW 10
kJ	82	60	49	65	32	33	42	44	74	71	75	75	52	49	47	46	46	26	26	115	142	202	194	173
Swell 2 Height (m) Direction Period (s)	N 10	NNW 9	N 8	NNE 8	N 8	NNW 9	N 11	NNW 11	N 8	NNE 8	NNE 7	NNE 7	SSW 18	SSW 18	SSW 18	SSW 17	SSW 16	SSW 16	NNW 13	SSW 16	SSW 16	SSW 16	S 17	SSW 15
kJ	90	49	21	21	33	28	85	90	18	11	11	10	62	61	61	58	53	87	55	86	84	84	144	76
Swell 3 Height (m) Direction Period (s)	SSW 16	N 8	SSW 16	SSW 15	NNW 11	NNW 11	NNE 8	NNE 8	SSW 14	SSW 14	SSW 14	SSW 14	NNE 7	NNE 7	NNE 7	NNW 12	NNW 13	NNW 12	SSW 16	NNW 9	SSW 19	SSW 19	S 10	SSW 18
kJ	49	21	47	45	25	24	20	19	41	41	41	40	9	9	5	15	16	28	51	26	74	72	2	63
Wind waves Height (m) Direction Period (s)	ESE 8	NE 8	ENE 8	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 8	E 8	E 8	E 8	E 8	E 7	E 7	E 7	ENE 7	ENE 6	ENE 6	ENE 6	E 6	E 6	ENE 6	E 6
kJ	67	82	143	140	140	140	86	86	147	142	168	163	138	134	131	150	131	119	139	155	176	171	155	171
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	Aligator Rock 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	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Klausmeyers HAW - Oahu	Yokohama Bay HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Aligator Rock HAW - Oahu	Klausmeyers HAW - Oahu	Keaau HAW - Oahu	Yokohama Bay HAW - Oahu	Aligator Rock HAW - Oahu
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	4	2	1	1	4	1	1	1
Distance (km)	0	0	0	0	0	0	1	0	0	1	1	1	3	3	3	3	22	19	3	1	22	21	19	1
Best forecast wave conditions in Oahu	Ranches	Ranches	Tennis Courts	Tennis Courts	Abalolo Reef	Abalolo Reef	Consessions/Big Rights	Ranches	Abalolo Reef	Ranches	Ranches	Ranches	Ranches	Ranches	Ranches	Ranches	Tracks (Nanakuli)	Tracks (Nanakuli)	Off the Wall/Insanities	Ranches	Ko Olina Resort	Ranches	Ranches	Ranches
Rating (10 max)	1	1	2	2	2	2	2	1	3	1	1	1	1	1	1	1	4	4	1	1	4	1	1	1
Best forecast wave conditions in United States	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Waiaha Rivermouth / Honls HAW - Big Island	Tennis Courts HAW - Oahu	Steamer Lane-Middle Peak CAL - Santa Cruz	Super Tubes CAL - Ventura	The Wedge CAL - Orange County	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Waiaha Rivermouth / Honls HAW - Big Island	Ranches HAW - Oahu	Ranches HAW - Oahu	Super Tubes CAL - Ventura	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Fullers CAL - Monterey	Waiaha Rivermouth / Honls HAW - Big Island	Magics HAW - Big Island	Ranches HAW - Oahu	Majors Bay HAW - Kaua'i	Super Tubes CAL - Ventura	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo
Rating (10 max)	4	4	2	2	4	3	3	4	4	4	3	1	1	2	4	4	4	4	4	1	4	2	3	3
Header Global	Haapiti French Polynesia	Cathedral Rock Australia	Easter Reef Australia	Easter Reef Australia	Fare Left French Polynesia	Fare Left French Polynesia	Haapiti French Polynesia	Haapiti French Polynesia	Ahijedero Mexico	Fairway Reef New Zealand	Moureeses New Zealand	Moureeses New Zealand	Moureeses New Zealand	Clark Island New Zealand	Clark Island New Zealand	Clark Island New Zealand	Ahijedero Mexico	Ahijedero Mexico	Arataki New Zealand	Viri Inga O Tuki Chile	Arataki New Zealand	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico
Rating (10 max)	6	6	5	5	5	5	5	5	4	5	5	5	5	5	5	5	4	4	4	5	4	4	4	4

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

Latest Updates

Ben Mondy

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Chuns and Jocks Reefs Surf Forecast

Chuns and Jocks Reefs surfForecast / HAW – Oahu / USA

How big are the waves at Chuns and Jocks Reefs today (31 May):

Short Range Forecast

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