Chuns and Jocks Reefs 48 hour detailed Surf Forecast

Lat Long: 21.63° N 158.08° W

Issued: 7 am 17 Jul 2026 (local time)

Forecast update in hr min

Today's Chuns and Jocks Reefs sea temperature is

26.2° C

Chuns and Jocks Reefs 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 and Jocks Reefs today (17 Jul):

Morning surf: Morning surf (17 Jul, local time) - 1.5ft (0.5m), 14s period with W swell.
Afternoon surf: Afternoon surf (17 Jul, local time) - 1.5ft (0.5m), 14s period with W swell.
Evening surf: Evening surf (17 Jul, local time) - 1.5ft (0.5m), 14s period with W swell.

The current surf forecast for Chuns and Jocks Reefs at 2PM is: 0.5m 14s primary swell from a West direction (forecast issued at 07:00am July 17). An open ocean swell of 0.4m 16s is not directed at the surf break, a second open ocean swell of 1.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (17 Jul)	1.5ft (0.5m)	14s
Afternoon (17 Jul)	1.5ft (0.5m)	14s
Evening (17 Jul)	1.5ft (0.5m)	14s

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

	Short Range Forecast Mostly dry. Warm (max 27°C on Fri afternoon, min 23°C on Sat night). Wind will be generally light.
	Friday 17							Saturday 18								Sunday 19
	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)	0	0	0	0	0	0	0	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)	W 14	W 14	W 14	W 14	W 14	W 14	W 14	WNW 13	WNW 13	WNW 13	WNW 13	WNW 13	WNW 13	WNW 13	WNW 13	WNW 13	WNW 12	NNE 7	WNW 12	WNW 12	NNE 8	WNW 12	WNW 12
Wave Graph
kJ	148	103	101	101	100	100	96	60	58	57	57	57	57	57	33	32	29	47	29	29	48	29	28
Wind (km/h)	E	E	E	ENE	ENE	E	E	E	E	E	E	E	ENE	ENE	ENE	ENE	E	ENE	ENE	ENE	ENE	ENE	ENE
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	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		5:30AM0.25m				5:32PM0.51m				6:34AM0.28m				6:07PM0.44m				7:43AM0.32m				6:39PM0.37m
Low Tide			9:35AM0.06m					11:33PM0.02m			10:35AM0.13m					00:06AM0.02m				11:50AM0.19m


	5:58	—	—	—	—	—	—	—	5:58	—	—	—	—	—	—	—	6:00	—	—	—	—	—	—
	—	—	—	—	7:16	—	—	—	—	—	—	—	7:16	—	—	—	—	—	—	—	7:16	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	24	25	26	27	27	25	25	25	25	25	26	26	25	24	24	24	23	24	25	26	25	25	24
Feels °C	25	25	26	27	27	26	26	26	25	24	25	25	24	23	23	23	22	23	24	25	24	24	23
Swell 1 Height (m) Direction Period (s)	NNE 7	NNE 7	NNE 7	W 14	W 14	W 14	W 14	WNW 13	WNW 13	WNW 13	WNW 13	WNW 13	WNW 13	WNW 13	WNW 13	NNE 8	NNE 8	NNE 7	WNW 12	WNW 12	NNE 8	WNW 12	WNW 12
kJ	48	44	41	101	100	100	96	60	58	57	57	57	57	57	33	23	22	47	29	29	48	29	28
Swell 2 Height (m) Direction Period (s)	W 14	W 14	W 14	SW 16	SW 16	SSW 16	SSW 15	SSW 15	SW 15	SSW 15	SSW 14	NNE 8	NNE 8	NNE 8	NNE 8	WNW 13	WNW 12	WNW 12	SSW 11	SSW 13	WNW 12	SSW 13	SSW 13
kJ	148	103	101	64	64	48	47	87	56	21	41	14	14	14	14	32	29	29	12	16	29	17	17
Swell 3 Height (m) Direction Period (s)	SW 15	SW 12	SW 16	SW 12	SSW 12	SSW 12	SSW 12	S 9	S 13	SSW 11	SSW 11	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SW 20	SSW 13	SW 19	SW 19
kJ	57	36	64	22	14	14	14	2	3	12	11	41	41	41	40	19	19	18	18	15	17	15	14
Wind waves Height (m) Direction Period (s)	E 6	E 6	ENE 6	ENE 7	ENE 7	ENE 7	ENE 6	ENE 7	E 7	ENE 7	ENE 7	ENE 7	ENE 8	ENE 8	ENE 8	E 8	E 8	E 8	E 8	ENE 8	E 8	ENE 8	ENE 8
kJ	137	123	143	171	195	195	233	232	255	277	327	394	416	427	385	383	341	289	301	310	257	277	277
Nearest Offshore or Glassy	Aligator Rock HAW - Oahu	Aligator Rock HAW - Oahu	Aligator Rock HAW - Oahu	Aligator Rock HAW - Oahu	Aligator Rock HAW - Oahu	Aligator Rock HAW - Oahu	Aligator Rock HAW - Oahu	Chuns and Jocks Reefs HAW - Oahu	Yokohama Bay HAW - Oahu	Yokohama Bay HAW - Oahu	Yokohama Bay HAW - Oahu	Yokohama Bay HAW - Oahu	Yokohama Bay HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Yokohama Bay HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Aligator Rock HAW - Oahu	Yokohama Bay HAW - Oahu	Yokohama Bay HAW - Oahu	Aligator Rock HAW - Oahu	Ranches HAW - Oahu	Yokohama Bay HAW - Oahu
Rating (10 max)	1	1	1	1	1	1	1	1	2	2	2	2	2	1	2	1	1	1	1	1	1	1	1
Distance (km)	1	1	1	1	1	1	1	0	19	19	19	19	19	3	19	3	3	1	19	19	1	21	19
Best forecast wave conditions in Oahu	Ranches	Ranches	Ranches	Ranches	Ranches	Ranches	Ranches	Ranches	Maili Point	Maili Point	Maili Point	Maili Point	Maili Point	Ranches	Ko Olina Resort	Ranches	Ranches	Ranches	Ranches	Ranches	Ranches	Ranches	Ranches
Rating (10 max)	2	2	2	1	1	1	1	1	2	2	2	2	2	1	2	1	1	1	1	1	1	1	1
Best forecast wave conditions in United States	Mouse Rock CAL - San Luis Obispo	Magics 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	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Waiaha Rivermouth / Honls HAW - Big Island	Steamer Lane-Middle Peak CAL - Santa Cruz	Gale Point CAL - Humboldt	Steamer Lane-The Point CAL - Santa Cruz	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	The Wedge CAL - Orange County	Cortez Bank CAL - San Diego County	Ranches HAW - Oahu	Ranches HAW - Oahu	Super Tubes CAL - Ventura	Ghost Tree CAL - Monterey	Boners CAL - San Luis Obispo
Rating (10 max)	4	2	2	1	1	3	3	3	3	2	2	3	3	3	3	2	2	4	1	1	2	3	3
Header Global	Dunedin - Kuri Bush New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Seconds (White Rock) New Zealand	Papatowai New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Kaka Point New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Humenga Point New Zealand	Otago Peninsula - Allans Beach New Zealand	Ning Nong Point and Reef New Zealand	Seconds (White Rock) New Zealand
Rating (10 max)	7	6	6	9	9	9	8	7	6	6	6	6	6	7	7	7	8	7	7	6	5	7	7

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

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Chuns and Jocks Reefs surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

Chuns and Jocks Reefs 48 hour detailed Surf Forecast

How big are the waves at Chuns and Jocks Reefs today (17 Jul):

Short Range Forecast

Latest Updates

How Our WaveFinder Tool Makes Forecasting Easier Than Ever Before

The Five Best Forecasts For International Surfing Day 2026

Best Surf Travel Deals & Discounts For 2026 To Help Make Surf Travel Cheaper

Let Our Surf Alerts Do All Your Forecast Heavy Lifting

Talking To Maddie Meddings on New Film Undercurrents. (And Then Watch It!)

FREE! Surf-Forecast.com widget for your website