Reef
left
Level 6/10

Arenillas Negras

Arica, Chile
🪸Sharp reef🪨Rocks

Arenillas Negras ("Black Sands") is a reef break on a distinctive dark volcanic sand beach in Arica. The wave offers quality walls without the intensity of nearby El Gringo.

Arenillas Negras surf forecast

Model forecast for swell, wind and tide.

10-Day Forecast
Today20
31
Poor
1.0m@11s
9km/h
Mon21
30
Poor
0.8m@13s
10km/h
Tue22
54
Fair
1.4m@12s
9km/h
Wed23
59
Fair
1.7m@11s
8km/h
Thu24
43
Poor
1.3m@9s
8km/h
Fri25
38
Poor
0.9m@13s
7km/h
Sat26
67
Good
1.4m@15s
7km/h
Sun27
55
Fair
1.5m@14s
9km/h
Mon28
31
Poor
1.1m@12s
9km/h
Tue29
28
Poor
0.9m@12s
7km/h
5+ days out, less certain

Today's Conditions

Find Flights
Best session: MorningAM 2 km/h · PM 15 km/h · Tide at 5am (0.8m)
Swell
1.0m
SW(225°)
Score: 3/25
Period
11s
Medium period swell
Score: 4/25
Wind
9km/h
W(261°)
Score: 11/25
Weather
22°C
0.0mm67%
First light 7:02amSunrise 7:32amSunset 7:36pmLast light 8:06pm
Windswell0.2m@1sSecondary0.4mConfidence
100%

Location & Conditions

Loading map...
0°45°90°135°180°225°270°315°NESW
Swell
Wind
Showing forecast for today

Hourly Forecast, Tide & Strike Windows

Strike window: 7:02–9:38am · droppingStrike window: 4:30–6:40pm · risingIdeal tide: 0.4–1.4m
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
°C
20°
20°
23°
23°
22°
20°
20°
22°
23°
22°
19°
20°
22°
23°
21°
17°
18°
22°
23°
22°
16°
18°
22°
23°
22°
16°
18°
22°
23°
22°
18°
19°
22°
24°
22°
18°
19°
21°
23°
22°
19°
20°
22°
23°
22°
20°
20°
21°
22°
22°
2m1.0
sec
11s
11s
11s
11s
11s
13s
13s
13s
13s
13s
12s
12s
12s
12s
12s
11s
11s
11s
11s
11s
9s
9s
9s
9s
9s
13s
13s
13s
13s
13s
15s
15s
15s
15s
15s
14s
14s
14s
14s
14s
12s
12s
12s
12s
12s
12s
12s
12s
12s
12s
swell
windkm/h
2g6
2g9
9g23
16g36
14g35
4g8
6g16
7g20
18g41
13g33
2g4
3g9
8g22
17g38
14g34
1g2
2g8
11g27
14g34
12g34
0g3
3g9
10g26
14g33
10g33
2g5
1g7
9g24
14g33
10g36
2g10
1g14
8g25
14g36
10g38
5g10
5g16
6g27
16g38
13g41
2g7
0g8
9g23
17g39
13g42
3g11
2g14
7g22
13g31
11g34
tidem
5:06am0.8m
12:45pm0.2m
5:30pm0.4m
6:04am0.8m
1:30pm0.2m
6:30pm0.5m
6:47am0.8m
1:50pm0.1m
7:20pm0.5m
12:47am0.1m
7:30am0.9m
2:15pm0.1m
7:55pm0.6m
1:30am0.1m
8:02am0.9m
2:43pm0.0m
8:37pm0.7m
2:16am0.1m
8:40am1.0m
3:08pm0.0m
9:08pm0.8m
2:57am0.1m
9:10am1.0m
3:35pm0.0m
9:42pm0.9m
3:40am0.1m
9:50am0.9m
4:00pm0.0m
10:16pm1.0m
4:20am0.1m
10:24am0.9m
4:30pm0.0m
Ideal tideStrike windowNight

Tide times today

5:06 am
High tide - 0.75m
12:45 pm
Low tide - 0.23m
5:30 pm
High tide - 0.43m
Times shown in spot-local time.

Strike Score Breakdown

31
Poor
Components
Swell Direction25/25
Swell Size3/25
Swell Period4/25
Wind11/25
Raw Score43/100
Adjustments
🌊 Tide+3
💨 Gusty Wind-5
📉 Undersized Swell-10
🚫 Undersized Capmax 44
Adjusted Score31/100
Confidence
Multiplier×1.00
Final Score31
🌊 Mostly in the tide window

Plan Your Strike

Return flights to ARI, departing today with a 5-day trip window.

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Swell Requirements

Optimal direction
SW (225°)
Direction range
200° - 250°
Size range
1.2m - 2.4m
Ideal size
1.7m - 2.1m
Height multiplier
0.97×
Ideal period
16s+

Wind Requirements

Optimal direction
NE (45°)
Offshore range
20° - 70°

Tide Requirements

Optimal tide
mid
Optimal range
0.4m - 1.4m

Water temp

18°C

Wetsuit

3/2mm fullsuit

Difficulty

6/10

Crowd level

2/10

Access: Near Arica slab zone.

Frequently Asked Questions

What tide is best at Arenillas Negras?

The Arenillas Negras profile favors mid tide, ideally between 0.4m and 1.4m on the local tide chart. Compare this preference with the forecast tide and local conditions before choosing a session.

What wind direction is offshore at Arenillas Negras?

The Arenillas Negras profile uses wind from NE (45°) as its preferred direction, with an offshore range of 20° to 70°. Wind speed matters too: light winds outside that range can still produce surfable conditions, while strong offshore winds can make takeoffs difficult.

What swell size and direction work best at Arenillas Negras?

The Arenillas Negras scoring profile favors swell from SW (200° to 250°), a swell-height range of 1.2m to 2.4m, and a reference period of 16s. These are model inputs, not guaranteed breaking-wave heights or a promise that the surf will suit every ability.

When is the best time of year to surf Arenillas Negras?

The main season at Arenillas Negras is Apr-Sep. A secondary window runs Mar, Oct. Quality reef break.

How do I get to Arenillas Negras?

The spot profile lists ARI as a nearby airport. The estimated road transfer is 12 minutes. Near Arica slab zone.

What kind of wave is Arenillas Negras?

Arenillas Negras is a reef break, a left-hander. Difficulty is rated 6/10.

Best Season

Peak: Apr-Sep

Secondary: Mar, Oct

Quality reef break.

Getting There

Airport
ARI
Drive time
12 min
Data quality
community

Strike Log

Community Discussion