Chuns Reef 48 hour detailed Surf Forecast

Lat Long: 21.62° N 158.08° W

Issued: 7 am 03 Sep 2026 (local time)

Forecast update in hr min

Today's Chuns Reef sea temperature is

26.9°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 (03 Sep):

Morning surf: Morning surf (03 Sep, local time) - 7ft (2.1m), 8s period with ENE swell.
Afternoon surf: Afternoon surf (03 Sep, local time) - 6.5ft (2.0m), 7s period with ENE swell.
Evening surf: Evening surf (03 Sep, local time) - 6.5ft (2.0m), 7s period with ENE swell.

The current surf forecast for Chuns Reef at 12PM is: 2.0m 8s primary swell from a East-northeast direction and 0.6m 13s secondary swell from a East direction (forecast issued at 07:00am September 03). An open ocean swell of 0.2m 13s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (03 Sep)	7ft (2.1m)	8s
Afternoon (03 Sep)	6.5ft (2.0m)	7s
Evening (03 Sep)	6.5ft (2.0m)	7s

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 Fri night). Mainly fresh winds.
	Thursday 3							Friday 4								Saturday 5
	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	1	1	1	1	1	1	1	2	2	2	3	3	3	2	3	2	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ENE 8	ENE 8	ENE 8	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	E 14	E 14	E 14	E 14	E 14	E 14	ENE 14	ENE 14	ENE 14	ENE 14	ENE 14	ENE 14	ENE 14
Wave Graph
kJ	522	509	495	426	456	456	415	404	415	415	404	432	569	687	678	786	1984	1984	1846	1819	1928	2039	1980
Wind (km/h)	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	E	ENE	E	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
High Tide			8:33AM0.49m			6:58PM0.17m					9:52AM0.52m				9:24PM0.15m				11:00AM0.54m
Low Tide					3:58PM0.17m			00:19AM0.05m						5:13PM0.13m		1:43AM0.05m						5:50PM0.10m


	6:16	—	—	—	—	—	—	—	6:16	—	—	—	—	—	—	—	6:16	—	—	—	—	—	—
	—	—	—	—	6:46	—	—	—	—	—	—	—	6:45	—	—	—	—	—	—	—	6:45	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	25	25	26	26	26	25	25	25	25	25	26	26	26	25	25	25	24	25	26	27	26	25	25
Feels °C	24	23	24	24	24	22	22	22	22	22	23	23	24	23	23	23	23	24	25	26	25	24	25
Swell 1 Height (m) Direction Period (s)	E 13	E 13	E 13	E 13	E 12	E 12	E 12	E 14	E 14	E 14	E 14	E 14	E 14	E 14	E 14	E 14	S 13	S 12	S 12	SSW 13	S 12	S 12	SSW 12
kJ	123	123	121	112	107	107	109	260	334	320	357	432	569	687	678	786	28	46	45	53	75	73	115
Swell 2 Height (m) Direction Period (s)	S 15	S 15	SSE 13	SSE 12	SSE 13	E 16	E 16	SSE 11	SSE 11	SSE 12	SSE 12	S 12	S 12	S 12	S 13	S 13	NNE 11	NNE 10	NNE 10	NNE 10	NNE 10	NNE 9	NNE 9
kJ	38	17	17	14	32	81	77	12	24	26	29	27	27	27	51	28	23	21	20	19	18	16	16
Swell 3 Height (m) Direction Period (s)	SW 13	SSE 14	S 15	SSW 14	SSW 14	SSE 12	SSE 11	S 14	SW 12	SW 12	SW 12	SW 13	SW 13	SW 13	N 12	NNE 11	SW 16	SSW 16	SSW 17	SSW 17	SSW 17	SSW 17	SSE 10
kJ	7	18	17	20	20	28	12	14	6	6	6	6	7	7	10	24	10	26	28	29	29	27	19
Wind waves Height (m) Direction Period (s)	ENE 8	ENE 8	ENE 8	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 14	ENE 14	ENE 14	ENE 14	ENE 14	ENE 14	ENE 14
kJ	522	509	495	426	456	456	415	404	415	415	404	404	404	379	358	325	1984	1984	1846	1819	1928	2039	1980
Nearest Offshore or Glassy	Infinities HAW - Kaua'i	Keaau HAW - Oahu	Keaau HAW - Oahu	Keaau HAW - Oahu	Klausmeyers HAW - Oahu	Harbors HAW - Maui	Mala wharf HAW - Maui	Keaau HAW - Oahu	Keaau HAW - Oahu	Keaau HAW - Oahu	Keaau HAW - Oahu	Lahaina Breakwall/Harbour HAW - Maui	Keaau HAW - Oahu	Keaau HAW - Oahu	Keaau HAW - Oahu	Keaau HAW - Oahu	Keaau HAW - Oahu	Yokohama Bay HAW - Oahu	Yokohama Bay HAW - Oahu	Mala wharf HAW - Maui	Keaau HAW - Oahu	Keaau HAW - Oahu	Keaau HAW - Oahu
Rating (10 max)	3	1	1	1	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	166	21	21	21	22	168	165	21	21	21	21	166	21	21	21	21	21	19	19	165	21	21	21
Best forecast wave conditions in Oahu		Ranches	Ranches	Ranches	Lahilahi Point			Ranches	Ranches	Ranches	Ranches		Ranches	Ranches	Ranches	Ranches	Ranches	Ranches	Ranches		Ranches	Ranches	Ranches
Rating (10 max)		1	1	1	2			1	1	1	1		1	1	1	1	1	1	1		1	1	1
Best forecast wave conditions in United States	Boners CAL - San Luis Obispo	Hilo Breakwall HAW - Big Island	Ranches HAW - Oahu	Ranches HAW - Oahu	Lincoln City Nelscott Reef Oregon North	Ghost Tree CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Magics HAW - Big Island	Ranches HAW - Oahu	Rincon - The Cove CAL - Ventura	Super Tubes CAL - Ventura	Hilo Breakwall HAW - Big Island	Hilo Breakwall HAW - Big Island	Mouse Rock CAL - San Luis Obispo	The Wedge CAL - Orange County	Hilo Breakwall HAW - Big Island	Ranches HAW - Oahu	Shark Pit HAW - Maui	The Wedge CAL - Orange County	Hilo Breakwall HAW - Big Island	Hilo Breakwall HAW - Big Island
Rating (10 max)	3	2	1	1	4	3	3	3	3	3	1	2	2	4	4	4	3	4	1	2	3	4	4
Header Global	Cathedral Rock Australia	Cathedral Rock Australia	Luna Park Australia	Bullies Australia	Bullies Australia	Bullies Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Ahijedero Mexico	Shipwreck Bay-Supertubes New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Gerickes Point South Africa	Gerickes Point South Africa
Rating (10 max)	7	6	9	5	5	5	9	9	9	9	9	8	4	5	9	9	9	8	7	6	5	5	6

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 (03 Sep):

Short Range Forecast

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