Algarrobo Surf Break

Lat Long: 33.27° S 71.68° W

Algarrobo Surf Forecast and Surf Report

Issued: 7 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Algarrobo sea temperature is
13.7° C
0.7° 

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


Algarrobo surf forecast from 19 Aug 2026:

  • Best quality surf: Wednesday 19 Aug, 2AM (local time) - 5ft (1.6m), 13s period, SW swell with glassy winds.
  • Most powerful swell: Wednesday 19 Aug, 8AM (local time) - 6ft (1.8m), 16s period, WSW swell with 1,608 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 19 Aug, 2AM (local time) - 5ft (1.6m), 13s period with SW swell.

Best Forecast Surf Conditions for Algarrobo this week:

The surf forecast for Algarrobo over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 19) at 2AM. The primary swell is predicted to be 1.6m and 13s period with a secondary swell of 1.2m and 16s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Algarrobo in the next 16 days are 1.8m 16s and forecast to arrive on Wednesday (Aug 19) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Tuesday (Aug 25) at 8PM.

Wave TypeTime (-04) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Wed 19th Aug)5ft (1.6m) 13s
Best Surf 2AM (Wed 19th Aug)5ft (1.6m) 13s
Most Powerful 8AM (Wed 19th Aug)6ft (1.8m) 16s

Table - best surf conditions forecast for Algarrobo over the next 16 days.


The Lowdown

Alright, it’s Rusty here. Let’s talk about what’s on the table for Algarrobo.

So, we’ve got a bit of a mixed bag coming up. The swell is there, but the wind is going to be a real pain for a lot of it. The real standout, the one to get you out of bed, is looking like Thursday the 27th of August into Friday the 28th. That’s where the magic is hiding.

The first couple of days, starting Wednesday the 19th, we’ve got some solid 6ft swell from the WSW, but the wind is just a mess – cross and cross-on. It’s enough to make you want to stay on the beach. The combined energy is pumping, 1626 (moderate to strong), but the wind is killing the quality. It’s pretty much a write-off for a proper session.

Thursday the 20th and Friday the 21st are a write-off. The wind is howling from the south at 12 mph, making everything choppy and ugly. Don’t even bother packing the board.

We finally get a bit of a break on Saturday the 22nd. The morning sees a 5ft SW swell with a nice cross-off breeze from the north at 6 mph. The energy is still moderate (482), but the wind is clean. It’s not a massive day, but it’s surfable. The afternoon drops off fast to 3ft, so get your session in early.

Sunday the 23rd is tiny. Totally glassy in the morning, but the swell is only 2ft, so you’re on a longboard or a foamie. The energy is weak (115). It’s a flat, lazy kind of day.

Monday the 24th sees a bit of a pulse back up to 4ft from the WSW. The wind is cross-off and clean, but the energy is still just moderate (574). It’s a working man’s wave, nothing special.

Now, here’s the part you’ve been waiting for. From the 26th of August, things start to get spicy. Wednesday the 26th has a 7ft W swell hitting, and the wind is clean cross-off. The energy is huge at 1224. It’s a big day, but it’s still a bit rough around the edges.

The best of the lot is Thursday the 27th of August. The morning is an absolute dream. 7ft of WSW swell, and it’s glassy. Dead flat wind. The energy is pumping at 1136. This is the one to call in sick for. The waves are going to be clean, powerful, and lined up. This is a day for experienced surfers, because that size is pushing the limits for a beginner.

Friday the 28th is also a stand-out, with a 8ft WSW swell and a 15-second period, giving it a massive 2385 energy rating. The wind is cross-off, keeping it clean. This is a big, powerful groundswell. It’s going to be a beast. Only for the experienced crew who know the reef.

After that, it drops off. The weekend of the 29th and 30th is blown out by strong south winds, making it choppy and messy. The swell is still big (8ft), but the wind is cross-on, turning it into a washing machine. That’s more for the kite surfers than us.

The first week of September is a bit of a letdown. The wind is still a problem, and the swell is inconsistent. There’s a very long period swell (21 seconds) on the 1st, but it’s cross-on and choppy. Not worth the paddle out.

So, there you go. Grab your board for Thursday the 27th and Friday the 28th. That’s the gold. The rest is a lesson in patience.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 20°C on Fri afternoon, min 11°C on Thu morning). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 18°C on Fri night, min 12°C on Mon morning). Wind will be generally light.

Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
3
3
3
0
0
1
1
0
2
2
1
1
1
1
2
2
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
SW
13
1.8
WSW
15
1.8
WSW
14
1.8
WSW
13
1.6
WSW
13
1.5
WSW
12
1.3
WSW
12
1.7
WSW
11
1.7
SW
11
1.6
SW
10
1.5
SW
10
0.8
WSW
10
0.7
WSW
10
0.5
W
9
0.6
WSW
13
1.2
WSW
13
1.3
WSW
12
1.2
WSW
11
0.9
WSW
11
Wave Graph
Metric surfscale
Energy kJ
947
1467
1332
1110
799
699
444
681
677
490
468
141
98
42
129
433
444
325
198
Wind (km/h)
0
S
10
NNW
5
W
10
SSE
20
S
20
S
20
S
20
S
20
S
15
SSE
10
N
20
NNE
15
NE
5
SW
10
N
15
NNE
20
NNE
15
N
10
NE
Wind State
glassy
cross
cross-on
cross
cross-on
cross-on
cross
cross
cross-on
cross
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
2:41AM1.13m
2:49PM0.84m
3:39AM1.08m
3:59PM0.73m
4:53AM1.06m
5:49PM0.68m
6:16AM1.08m
7:25PM0.71m
7:22AM1.14m
8:17PM0.76m
8:10AM1.22m
8:53PM0.82m
Low Tide
8:06PM0.29m
9:14AM0.42m
8:46PM0.38m
10:42AM0.47m
9:42PM0.46m
12:23PM0.46m
11:05PM0.50m
1:39PM0.40m
00:28AM0.48m
2:28PM0.32m
1:28AM0.42m
3:04PM0.25m
2:13AM0.34m
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
cloud
cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:20
7:18
7:16
7:16
7:15
7:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:20
6:20
6:21
6:22
6:22
6:22
6:23
 mm
Temp °C
12
14
14
12
14
14
13
17
20
18
17
17
14
15
16
14
14
14
14
Feels °C
9
13
12
11
11
10
10
13
16
15
15
13
12
15
15
14
12
11
13
  • 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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Information about the Algarrobo Surf forecast

The above surf forecast table for Algarrobo provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Algarrobo can be found by selecting the local surf guide option on the grey menu. Our Algarrobo surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Algarrobo) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Algarrobo may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Algarrobo is 21 km (13 miles) from the city of Valparaiso. If you plan a holiday in Santiago, look for hotels and other accommodation in Valparaiso. Valparaiso has rooms for a wide range of budgets as well as car hire and transport links.

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