Arenillas Negras Surf Forecast

/ Atacama (12 surf breaks) /

Chile (94 surf breaks) / Lat Long: (18.50° S 70.32° W)

Surf Forecasts:

Arenillas Negras surfForecast / Atacama / Chile

48hr Weather and Surf, issued 8 pm Thursday 18 Sep 2025 -04

Forecast update in hr min s Forecast update imminent

Arenillas Negras surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Arenillas Negras sea temperature is 15.4° C
(Which is 1.9°C colder than average for this time of year)

How big are the waves at Arenillas Negras today?

The current surf forecast for Arenillas Negras at 2AM is: 1.3m 11s primary swell from a Southwest direction and 0.1m 18s secondary swell from a Southwest direction (forecast issued at 08:00pm September 18). The wind direction is predicted to be glassy and the swell rating is 2.

Time (-04) & Date	Wave Height	Wave Period
Morning (19 Sep)	4ft (1.2m)	11s
Afternoon (19 Sep)	3.5ft (1.1m)	11s
Evening (19 Sep)	3.5ft (1.1m)	11s

Table - waves today at Arenillas Negras. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thu 18		Friday 19								Saturday 20								Sunday 21
	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM
Rating (10 max)	2	3	2	2	2	2	1	0	1	2	2	2	1	3	2	1	1	3	2	3	2	3	2	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW
Period(s) (?)	12	12	11	11	11	11	11	11	11	11	11	11	12	12	12	12	12	12	11	11	11	11	11	11
Wave Graph (?)
kJ (?)	497	480	411	396	389	344	263	303	320	278	237	315	349	409	442	349	303	383	398	391	344	344	326	338
Wind (km/h)	SW	SSW	SSW	SE	SE	SSW	WSW	WSW	WSW	SSW	SSW	SSW	SW	SW	WSW	WSW	SW	NNE	NNW	SSW	SSW	SW	SW	WSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	on	glass	glass	glass	glass	glass	on	on	on	glass	glass	glass	on	glass	on	cross- on	on	glass	glass	glass	cross- on	glass	on	on
High Tide / height (m)		8:17PM 0.79				8:28AM 1.21					9:01PM 0.87				9:11AM 1.20				9:40PM 0.94				9:50AM 1.16
Low Tide / height (m)				1:50AM 0.26					3:10PM 0.18			2:43AM 0.22					3:43PM 0.16				3:30AM 0.20

	Thu 18		Friday 19								Saturday 20								Sunday 21
Sunrise	-	-	-	-	-	7:33	-	-	-	-	-	-	-	7:33	-	-	-	-	-	-	-	7:31	-	-
Sunset	7:36	-	-	-	-	-	-	-	7:36	-	-	-	-	-	-	-	7:36	-	-	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	17	15	14	14	14	14	17	18	17	15	14	14	14	14	17	18	17	15	15	15	15	15	17	18
Feels °C (?)	16	15	14	15	15	14	16	17	16	16	15	14	14	14	16	17	16	16	15	16	15	15	16	17

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

Recent Eyeball Surf Reports for Atacama

Wind Update Wind reports 2 km away suggest it is still onshore at Arenillas Negras (light winds from the SSW at Defensa Civil- Arica). A 1.2m groundswell from the SW
1 hour 46 minutes ago Arenillas Negras

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1 h 46 min ago

14 km/h

SSW

Onshore

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