Boca del Rio 48 hour detailed Surf Forecast

Lat Long: 18.16° S 70.69° W

Issued: 6 am 20 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 (20 Oct):

Morning surf: Morning surf (20 Oct, local time) - 4.5ft (1.4m), 18s period with SW swell.
Afternoon surf: Afternoon surf (20 Oct, local time) - 4.5ft (1.4m), 18s period with SW swell.
Evening surf: Evening surf (20 Oct, local time) - 5ft (1.6m), 16s period with SW swell.

The current surf forecast for Boca del Rio at 12PM is: 1.4m 18s primary swell from a Southwest direction and 1.3m 13s secondary swell from a Southwest direction, 0.5m 7s secondary swell from a South-southwest direction (forecast issued at 06:00am October 20). The wind direction is predicted to be cross-onshore.

Time (-05) & Date	Wave Height	Wave Period
Morning (20 Oct)	4.5ft (1.4m)	18s
Afternoon (20 Oct)	4.5ft (1.4m)	18s
Evening (20 Oct)	5ft (1.6m)	16s

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

	Short Range Forecast Mostly dry. Warm (max 22°C on Tue morning, min 19°C on Tue night). Wind will be generally light.
	Tuesday 20							Wednesday 21								Thursday 22
	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	3	2	1	2	3	3	4	4	4	3	1	3	3	4	4	3	4	1	0	3	4	4
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 14	SSW 18	SW 18	SW 18	SW 17	SW 17	SW 16	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
Wave Graph
kJ	943	1068	1149	1263	1336	1245	1561	1401	1367	1591	1438	1420	1494	1589	1863	1929	2004	918	1193	1339	1208	1118	1031
Wind (km/h)	S	SSE	S	SSW	SSW	SSE	SSE	ESE	ESE	SE	S	S	S	SSE	SE	SE	SSE	ESE	S	S	S	SE	SE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	glassy	cross	cross-on	cross-on	cross-on	cross	cross	cross-off	cross-off	cross-off	cross	cross-on	cross	cross	cross-off	cross-off	cross	cross-off	cross-on	cross-on	cross	cross-off	cross-off
High Tide	3:35AM0.84m					4:53PM0.57m				4:23AM0.85m				5:28PM0.65m				5:04AM0.87m				5:58PM0.74m
Low Tide				10:49AM0.18m			9:54PM0.34m					11:19AM0.15m				10:50PM0.31m				11:45AM0.12m


	5:09	—	—	—	—	—	—	—	5:09	—	—	—	—	—	—	—	5:09	—	—	—	—	—	—
	—	—	—	—	5:44	—	—	—	—	—	—	—	5:45	—	—	—	—	—	—	—	5:45	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	19	19	21	22	21	20	20	19	19	19	22	22	21	20	19	19	19	19	22	21	21	20	19
Feels °C	21	20	21	21	21	21	21	20	20	20	22	21	21	21	20	20	21	20	21	19	21	21	21
Swell 1 Height (m) Direction Period (s)	SW 14	SW 13	SW 13	SW 18	SW 17	SW 17	SW 16	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
kJ	943	732	643	1263	1336	1245	1561	1401	1367	1591	1438	1420	1494	1589	1863	1929	2004	913	736	786	711	1118	1031
Swell 2 Height (m) Direction Period (s)	SW 19	SSW 18	SW 18	SW 13	SW 13	SW 13	SW 11	SW 12	SW 12	S 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
kJ	882	1068	1149	520	529	473	165	224	193	8	45	99	253	149	21	547	211	918	1193	1339	1208	534	505
Swell 3 Height (m) Direction Period (s)	S 8	S 8	S 7	S 7	S 7	SSW 7	SSW 7	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	NW 14
kJ	45	29	28	27	27	17	15	9	9	45	14	14	18	3	—	21	8	21	8	21	8	8	8
Wind waves Height (m) Direction Period (s)	—	—	—	SSW 7	SSW 7	—	—	—	—	—	SSW 6	SSW 6	SSW 3	S 3	—	—	—	—	—	—	S 4	—	—
kJ	—	—	—	30	29	—	—	—	—	—	8	12	3	3	—	—	—	—	—	—	18	—	—
Nearest Offshore or Glassy	Boca del Rio Arequipa, Moquegua & Tacna	Las Machas Atacama	Piedras Negras Arequipa, Moquegua & Tacna	La Cosa Tarapaca	Piedras Negras Arequipa, Moquegua & Tacna	Las Machas Atacama	Las Machas Atacama	Boca del Rio Arequipa, Moquegua & Tacna	Boca del Rio Arequipa, Moquegua & Tacna	Boca del Rio 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	Boca del Rio Arequipa, Moquegua & Tacna	Caleta Sama Arequipa, Moquegua & Tacna	Boca del Rio Arequipa, Moquegua & Tacna	Piedras Negras Arequipa, Moquegua & Tacna	La Cosa Tarapaca	El Olon de Ilo Arequipa, Moquegua & Tacna	Boca del Rio Arequipa, Moquegua & Tacna	Boca del Rio 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
Distance (km)	0	46	92	236	92	46	46	0	0	0	95	92	92	46	0	0	28	0	92	236	95	0	0
Best forecast wave conditions in Arequipa, Moquegua and Tacna	El Olon de Ilo	El Olon de Ilo	Piedras Negras		Piedras Negras	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
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	La Herradura Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	Pico Alto Lima	Pico Alto Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima	La Herradura Lima		La Herradura Lima	La Herradura Lima	La Herradura Lima
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
Header Global	Moning Philippines	Cyclops Australia	Cyclops Australia	Cyclops Australia	Cyclops Australia	Cyclops Australia	Baler - Lindy's Point Philippines	Malaking Gasang (Baler) Philippines	Lucky Point Philippines	Lucky Point Philippines	Lucky Point Philippines	Trial Harbour Australia	Trial Harbour Australia	Haga-Haga South Africa	Deba Spain	Easter Reef Australia	Easter Reef Australia	Benkunqut Indonesia	Benkunqut Indonesia	Bali Village Indonesia	Bali Village Indonesia	Krui Indonesia	Bommie Peak Indonesia
Rating (10 max)	5	5	6	6	7	7	7	7	9	9	9	9	8	8	5	5	5	5	5	6	6	6	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 (20 Oct):

Short Range Forecast

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