Slab
left
Level 7/10

La Cúpula

Antofagasta, Chile
🪸Sharp reef🪨Rocks⚠️Shallow

La Cupula is Antofagasta's signature bodyboarding slab, a left breaking over shallow rock in Chile's dry northern coast. It has hosted international bodyboarding events because the wave can deliver thick, technical barrels when south-southwest swell and clean wind line up. The setup is close to the city but still serious, with reef, rocks, and heavy sections making it best for confident riders.

La Cúpula surf forecast

Model forecast for swell, wind and tide.

10-Day Forecast
Today3
46
Fair
1.9m@14s
13km/h
Wed4
51
Fair
2.0m@15s
14km/h
Thu5
33
Poor
1.8m@10s
13km/h
Fri6
40
Poor
1.8m@13s
13km/h
Sat7
53
Fair
2.5m@13s
9km/h
Sun8
52
Fair
2.1m@11s
8km/h
Mon9
44
Poor
1.5m@13s
9km/h
Tue10
45
Fair
1.2m@14s
9km/h
Wed11
59
Fair
1.8m@15s
10km/h
Thu12
59
Fair
1.9m@15s
11km/h
5+ days out, less certain

Today's Conditions

Find Flights
Best session: MorningAM 5 km/h · PM 18 km/h · Tide at 11am (0.0m)
Swell
1.9m
SW(228°)
Score: 23/25
Period
14s
Groundswell
Score: 14/25
Wind
13km/h
SW(236°)
Score: 4/25
Weather
21°C
0.0mm42%
First light 6:24amSunrise 6:54amSunset 7:56pmLast light 8:26pm
Windswell
0.2m@2s
Secondary
0.3m
Confidence
100%

Location & Conditions

Loading map...
Swell1.9m @14s SW outside window
Wind13 km/h SW onshore
SwellWind: Offshore Cross Onshore
Showing forecast for today · all day

Hourly Forecast, Tide & Strike Windows

Strike window: 6:36–8:40am · droppingStrike window: 3:08–8:26pm · through highIdeal tide: mid
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
18°
20°
22°
23°
22°
19°
21°
25°
24°
23°
19°
20°
22°
22°
21°
18°
20°
23°
23°
22°
18°
21°
23°
23°
21°
18°
20°
22°
23°
22°
18°
22°
24°
24°
23°
19°
21°
22°
23°
22°
20°
20°
22°
22°
21°
21°
21°
22°
23°
22°
3m1.5
sec
14s
14s
14s
14s
14s
15s
15s
15s
15s
15s
10s
10s
10s
10s
10s
13s
13s
13s
13s
13s
13s
13s
13s
13s
13s
11s
11s
11s
11s
11s
13s
13s
13s
13s
13s
14s
14s
14s
14s
14s
15s
15s
15s
15s
15s
15s
15s
15s
15s
15s
swell
windkm/h
5g8
6g18
15g34
17g41
18g41
3g9
8g19
21g45
20g46
14g36
3g8
7g17
16g35
17g40
16g39
2g4
8g18
18g39
17g38
17g39
1g3
1g10
15g34
13g37
9g32
1g8
3g13
10g27
13g34
9g33
3g12
1g14
13g31
14g34
11g37
4g10
5g14
9g25
15g35
12g37
4g13
6g14
11g27
17g39
12g42
4g13
7g18
12g28
17g37
14g42
tidem
4:37am1.0m
11:48am0.0m
6:03pm0.7m
5:51am0.9m
12:30pm0.0m
6:51pm0.8m
12:46am0.2m
6:46am0.9m
1:15pm0.0m
7:30pm1.0m
1:42am0.2m
7:30am0.9m
1:50pm0.1m
8:10pm1.1m
2:30am0.1m
8:19am0.9m
2:20pm0.1m
8:48pm1.1m
3:19am0.1m
9:08am0.8m
3:00pm0.1m
9:30pm1.1m
4:05am0.0m
9:57am0.8m
3:34pm0.1m
10:02pm1.2m
4:42am0.1m
10:36am0.8m
4:02pm0.2m
5:24am0.1m
11:15am0.7m
4:36pm0.2m
6:10am0.1m
11:47am0.7m
5:07pm0.2m
Ideal tide (from tide preference)Strike windowNight

Tide times today

4:37 am
High · 0.97m
11:48 am
Low · 0.00m
6:03 pm
High · 0.70m
Times shown in spot-local time.

Strike Score Breakdown

46
Fair
Components
Swell Direction10/25
Swell Size23/25
Swell Period14/25
Wind4/25
Raw Score51/100
Adjustments
💨 Gusty Wind-5
Adjusted Score46/100
Confidence
Multiplier×1.00
Final Score46

Plan Your Strike

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Swell Requirements

Optimal direction
SSW (200°)
Direction range
180° - 220°
Size range
1.2m - 3m
Ideal size
2m - 2.6m
Height multiplier
0.97×
Ideal period
16s+

Wind Requirements

Optimal direction
ENE (65°)
Offshore range
45° - 90°

Tide Requirements

Optimal tide
mid

Water temp

17°C

Wetsuit

3/2mm fullsuit

Bottom

Rock

Difficulty

7/10

Crowd level

4/10

Frequently Asked Questions

What kind of wave is La Cúpula?

La Cúpula is a slab in Antofagasta, Chile, that mostly breaks left over a rock bottom. It's also a renowned bodyboarding wave.

What swell works best at La Cúpula?

La Cúpula picks up swell from the S round to the SW, and it's best when it's coming straight out of the SSW. That's a tight window, so it needs the swell direction to line up. It starts working at around 1.2m and handles up to about 3m, with the sweet spot around 2 to 2.6m. Period matters too: aim for 16s or longer, as anything under 12s tends to be weak. These are the numbers our scoring uses, so treat them as a guide rather than a promise.

What wind is offshore at La Cúpula?

An ENE wind is dead offshore at La Cúpula, and anything from the NE round to the E keeps it clean. The morning is typically the best window, roughly 6am to midday. Light winds from other directions can still be fine; strong offshores can make it hard to get into waves.

What tide is best at La Cúpula?

La Cúpula is at its best around mid tide.

When is the best time of year to surf La Cúpula?

The most reliable run of swell at La Cúpula comes Apr to Sep.

How cold is the water at La Cúpula?

The water at La Cúpula averages around 17°C, so you'll want a 3/2mm fullsuit. It shifts a few degrees through the year, so check the season before you pack.

Is La Cúpula good for beginners?

No. As a slab, it's strictly for experienced surfers. Expect a moderate crowd (4/10) when it's on. Shallow reef. Helmet recommended.

How do I get to La Cúpula?

The nearest airport on our list is ANF, then it's roughly a 15-minute drive.

What other surf spots are near La Cúpula?

The closest breaks we track are Playa Brava Antofagasta (1.6 km) and La Portada (17 km), handy when La Cúpula isn't working.

Best Season

Peak: Apr-Sep

Getting There

Airport
ANF
Drive time
15 min
Data quality
community

Strike Log

Community Discussion