Boca del Rio 48 hour detailed Surf Forecast

Lat Long: 18.16° S 70.69° W

Issued: 12 am 21 Oct 2026 (local time)

Forecast update in hr min

Today's Boca del Rio sea temperature is

20.4°C

Boca del Rio 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 Boca del Rio today (21 Oct):

Morning surf: Morning surf (21 Oct, local time) - 6ft (1.8m), 16s period with SW swell.
Afternoon surf: Afternoon surf (21 Oct, local time) - 6ft (1.8m), 16s period with SW swell.
Evening surf: Evening surf (21 Oct, local time) - 7ft (2.1m), 15s period with SW swell.

The current surf forecast for Boca del Rio at 5AM is: 1.6m 16s primary swell from a Southwest direction and 0.8m 12s secondary swell from a Southwest direction (forecast issued at 12:00am October 21). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (-05) & Date	Wave Height	Wave Period
Morning (21 Oct)	6ft (1.8m)	16s
Afternoon (21 Oct)	6ft (1.8m)	16s
Evening (21 Oct)	7ft (2.1m)	15s

Table - waves today at Boca del Rio. (Swell directed towards the surf break)

	Short Range Forecast Mostly dry. Warm (max 22°C on Wed morning, min 18°C on Tue night). Wind will be generally light.
	Wednesday 21								Thursday 22								Friday 23
	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM
Rating (10 max)	4	4	3	3	1	2	3	4	3	4	4	3	2	3	4	4	4	4	4	1	1	1	3	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 15	SW 14	SW 14	SW 14	SW 12	SW 16	SSW 16	SW 16	SW 15	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 13	SW 13
Wave Graph
kJ	1401	1367	1591	1438	1420	1494	1589	1863	1929	2004	918	1193	1339	1208	1118	1031	928	846	1626	915	890	1214	1144	1127
Wind (km/h)	ESE	ESE	SSE	S	S	S	SSE	ESE	SSE	ESE	ESE	S	S	SSE	SSE	SE	ESE	ESE	SE	S	S	S	SSE	SSE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	glassy	cross-off	cross	cross	cross-on	cross-on	cross	glassy	cross	cross-off	cross-off	cross	cross	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross-on	cross-on	cross-on	cross	cross
High Tide			4:23AM0.85m				5:28PM0.65m				5:04AM0.87m				5:58PM0.74m				5:41AM0.87m				6:28PM0.84m
Low Tide					11:19AM0.15m				10:50PM0.31m				11:45AM0.12m				11:38PM0.26m				12:09PM0.08m


	—	5:09	—	—	—	—	—	—	—	5:09	—	—	—	—	—	—	—	5:07	—	—	—	—	—	—
	—	—	—	—	—	5:45	—	—	—	—	—	—	—	5:45	—	—	—	—	—	—	—	5:45	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	19	18	19	22	21	21	20	19	19	19	19	22	21	21	20	19	19	19	19	21	21	21	20	20
Feels °C	21	19	20	22	20	21	21	21	20	21	20	22	19	21	21	20	20	20	20	20	20	20	21	21
Swell 1 Height (m) Direction Period (s)	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 15	SW 14	SW 14	SW 14	SW 12	SW 12	SW 12	SW 12	SW 15	SW 14	SW 14	SW 11	SW 14	SW 14	SW 14	SW 14	SW 13	SW 13
kJ	1401	1367	1591	1438	1420	1494	1589	1863	1929	2004	913	736	786	711	1118	1031	928	471	1626	915	890	1214	1144	1127
Swell 2 Height (m) Direction Period (s)	SW 12	SW 12	SSW 7	SSW 21	SW 20	SSW 20	SSW 20	WNW 15	SSW 18	SSW 18	SW 15	SW 16	SSW 16	SW 16	SW 11	SW 11	SW 11	SW 14	WNW 14	SW 10	SW 10	W 14	W 14	W 14
kJ	224	193	9	45	99	253	149	21	547	211	918	1193	1339	1208	534	505	462	846	20	322	240	4	4	4
Swell 3 Height (m) Direction Period (s)	SSW 7	SSW 7	SSW 21	W 13	W 13	WNW 14	SSW 3	—	WNW 15	NW 14	WNW 15	NW 15	WNW 15	NW 15	NW 14	SSW 5	NW 14	—	—	W 14	W 14	W 21	W 21	—
kJ	9	9	45	14	14	18	4	—	21	8	21	8	21	8	8	30	8	—	—	4	4	9	9	—
Wind waves Height (m) Direction Period (s)	—	—	—	SSW 6	SSW 3	SSW 3	—	—	—	—	—	—	—	S 4	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	8	2	3	—	—	—	—	—	—	—	19	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Boca del Rio Arequipa, Moquegua & Tacna	Boca del Rio Arequipa, Moquegua & Tacna	Caleta Sama Arequipa, Moquegua & Tacna	El Olon de Ilo Arequipa, Moquegua & Tacna	Piedras Negras Arequipa, Moquegua & Tacna	Piedras Negras Arequipa, Moquegua & Tacna	Las Machas Atacama	Boca del Rio Arequipa, Moquegua & Tacna	El Puerto Atacama	Boca del Rio Arequipa, Moquegua & Tacna	Boca del Rio Arequipa, Moquegua & Tacna	La Cosa Tarapaca	La Cosa Tarapaca	La Cosa Tarapaca	Boca del Rio Arequipa, Moquegua & Tacna	Boca del Rio Arequipa, Moquegua & Tacna	Boca del Rio Arequipa, Moquegua & Tacna	Boca del Rio Arequipa, Moquegua & Tacna	Boca del Rio Arequipa, Moquegua & Tacna	Piedras Negras Arequipa, Moquegua & Tacna	Piedras Negras Arequipa, Moquegua & Tacna	Piedras Negras Arequipa, Moquegua & Tacna	Las Machas Atacama	Las Machas Atacama
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Distance (km)	0	0	28	95	92	92	46	0	51	0	0	236	236	236	0	0	0	0	0	92	92	92	46	46
Best forecast wave conditions in Arequipa, Moquegua and Tacna	El Olon de Ilo	El Olon de Ilo	El Olon de Ilo	El Olon de Ilo	El Olon de Ilo	El Olon de Ilo	El Olon de Ilo	El Olon de Ilo	El Olon de Ilo	El Olon de Ilo	El Olon de Ilo				El Olon de Ilo	El Olon de Ilo	El Olon de Ilo	El Olon de Ilo	El Olon de Ilo	El Olon de Ilo	El Olon de Ilo	Piedras Negras	El Olon de Ilo	El Olon de Ilo
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4				4	4	4	4	4	4	4	4	4	4
Best forecast wave conditions in Peru	Pico Alto Lima	Pico Alto Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	Pico Alto Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	El Olon de Ilo Arequipa, Moquegua & Tacna	La Herradura Lima	Las Gramas Ancash	La Herradura Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	Punta Huanchaco La Libertad & Lambayeque	El Olon de Ilo Arequipa, Moquegua & Tacna	El Olon de Ilo Arequipa, Moquegua & Tacna
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Header Global	Virac Harbour Philippines	Super Tubes South Africa	Lucky Point Philippines	Lucky Point Philippines	Haga-Haga South Africa	Riet River South Africa	Haga-Haga South Africa	Baler - Lindy's Point Philippines	Easter Reef Australia	Trial Harbour Australia	Keusik Luhur Indonesia	Batu Hiu Indonesia	Benkunqut Indonesia	Bali Village Indonesia	Luna Park Australia	Boneyards South Africa	Papatowai New Zealand	Cavalos de Fao Portugal	Benkunqut Indonesia	Benkunqut Indonesia	Bali Village Indonesia	Asu Indonesia	Bali Village Indonesia	Outside Corner Indonesia
Rating (10 max)	6	6	9	9	9	8	7	6	5	6	7	5	6	6	6	5	8	8	5	5	5	5	5	5

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

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Boca del Rio 48 hour detailed Surf Forecast

How big are the waves at Boca del Rio today (21 Oct):

Short Range Forecast

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