Explosivos Surf Break

Lat Long: 12.42° S 76.84° W

Explosivos Surf Forecast and Surf Report

Issued: 6 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Explosivos sea temperature is
21.0° C
4.5° 

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


Explosivos surf forecast from 20 Aug 2026:

  • Best quality surf: Friday 21 Aug, 7AM (local time) - 4.5ft (1.3m), 9s period, S swell with glassy winds.
  • Most powerful swell: Thursday 20 Aug, 1PM (local time) - 6ft (1.9m), 9s period, S swell with 588 kJ wave energy.
  • Next surfable swell (1★+): Friday 21 Aug, 7AM (local time) - 4.5ft (1.3m), 9s period with S swell.

Best Forecast Surf Conditions for Explosivos this week:

The surf forecast for Explosivos over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 21) at 7AM. The primary swell is predicted to be 1.3m and 9s period with a secondary swell of 0.6m and 14s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Explosivos in the next 16 days are 1.9m 9s and forecast to arrive on Thursday (Aug 20) at 1PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (-05) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Fri 21st Aug)4.5ft (1.3m) 9s
Best Surf 7AM (Fri 21st Aug)4.5ft (1.3m) 9s
Most Powerful 1PM (Thu 20th Aug)6ft (1.9m) 9s

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


The Lowdown

Alright folks, Rusty here, let's get straight into what's on the menu for the local stretch.

Right off the bat, we're looking at a pretty quiet period ahead. The first real window of interest doesn't kick off until Thursday the 20th of August, and even then, it's not much to write home about. We've got a small window of surfable waves, but it's going to be a bit of a waiting game through the end of the month.

The water at Explosivos is pumping in at a warm 70°, which is a massive 8° above the norm for this time of year. That's a seriously unusual anomaly, so you'll be in for a very warm, tropical-feeling session.

For the first week, from Thursday the 20th through to around Wednesday the 26th, the swell is small and struggling. We're looking at mostly 1 ft to 4 ft swell from the south, with short periods around 8-9 seconds. The combined wave energy is weak, sitting between 167 and 775, so there's not a lot of juice in the water. The winds are light, mostly cross-on or onshore, which is about the only saving grace. It's a marginal, workable setup, but don't expect any gems. The best of this early period is probably Thursday afternoon the 20th, with a 6 ft south swell and a combined energy of 682, but it's cross-on wind that will keep it a bit messy. It's a low-expectation paddle.

Then we hit a real lull from the 22nd to the 26th. The swell drops further, and we're into 1 ft to 3 ft territory with very weak energy. The wind is still light, but the surf is just too small to be any good. This is a solid gap of a few days where you're better off doing something else.

Now, here's where it gets interesting. The real standout, and the one you want to circle on your calendar, is Friday the 28th of August. We’ve got a proper swell building in. The morning brings a 7 ft swell from the south-west, with a very long period of 16 seconds, and the combined energy is a massive 2415. That's a heap of power. The wind is light and offshore from the south-west, so it's going to be clean. But, and this is a big but, at 7 ft and with that long period, this is a beast for advanced surfers only. The forecast notes it's "too big for this break," and I have to agree. This is expert territory. The afternoon pushes it even bigger to 8 ft, with energy hitting 2875. It's a phenomenal window of powerful, long-period groundswell, but it's not for the faint of heart. This is a serious, heavy, and powerful wave.

Saturday the 29th of August is still holding a solid 7 ft from the south-west in the morning, with energy at 1873, but the wind swings cross-on, taking the shine off a bit. The afternoon drops to 6 ft, but it's still a hefty session.

After that, we ease back into a more marginal pattern through the first week of September. The swell drops to 5 ft to 7 ft from the south, with periods dropping back to 9 seconds. The energy is still moderate (around 684 to 1248), but the wind is mostly cross-on or onshore, so it's a step down in quality. Thursday the 3rd of September afternoon shows a bit of promise with a 5 ft south-west swell, a 16-second period, and a cross-shore wind, giving it a bit more shape. But overall, the second week is a lot less consistent and less powerful than that Friday the 28th.

So, the bottom line: there's a massive gap of small, weak surf until the end of the month. The only true standout, and the one that gets the blood pumping, is Friday the 28th of August. If you're an expert, that's your day. For everyone else, you're looking at small, marginal waves through the rest of the period.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 21°C on Fri morning, min 18°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 21°C on Sun afternoon, min 18°C on Sun night). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
2
1
1
1
2
0
1
1
1
1
1
0
0
0
1
0
1
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
S
9
1.8
S
9
1.5
S
9
1.3
S
8
1.1
S
8
1
S
8
0.8
S
8
0.4
SW
19
0.4
SW
18
0.4
SW
17
0.5
SW
16
0.8
S
9
0.4
SW
16
0.9
S
9
0.7
S
9
0.5
S
12
0.6
S
11
0.6
SSW
11
0.6
SSW
11
0.5
SW
14
0.8
S
11
Wave Graph
Metric surfscale
Energy kJ
661
529
348
245
173
130
82
91
114
107
132
95
87
126
73
73
93
93
79
89
157
Wind (km/h)
10
WSW
10
SW
10
S
10
SW
10
SW
5
SSE
5
WSW
10
SW
5
SSE
10
S
10
SSW
10
S
10
S
15
S
15
S
10
SSW
10
S
5
S
15
S
15
S
5
S
Wind State
on
cross-on
cross
on
on
glassy
on
on
cross
cross-on
cross-on
cross
cross
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-on
High Tide
10:40AM0.50m
1:42AM0.70m
11:58AM0.45m
2:53AM0.73m
1:43PM0.43m
3:43AM0.77m
2:54PM0.45m
4:21AM0.81m
3:40PM0.48m
4:51AM0.85m
4:17PM0.51m
5:18AM0.88m
4:52PM0.55m
Low Tide
5:42PM0.26m
9:12AM0.43m
6:57PM0.26m
10:09AM0.39m
8:04PM0.23m
10:41AM0.36m
8:55PM0.20m
11:05AM0.33m
9:37PM0.17m
11:28AM0.31m
10:13PM0.14m
11:51AM0.29m
10:47PM0.13m
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:18
6:16
6:16
6:16
6:15
6:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:02
6:02
6:02
6:02
6:02
6:02
6:02
 mm
Temp °C
20
20
19
21
20
19
21
20
19
20
21
19
20
20
19
21
20
19
21
21
19
Feels °C
20
20
19
22
20
20
21
20
20
21
22
20
20
19
19
21
20
20
21
21
19
  • 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 Explosivos Surf forecast

The above surf forecast table for Explosivos provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Explosivos can be found by selecting the local surf guide option on the grey menu. Our Explosivos 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 (Explosivos) 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 Explosivos 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.

Explosibles is 34 km (21 miles) from the very large city of Mala. If you plan a holiday in Lima, look for hotels and other accommodation in Mala. Mala has rooms for a wide range of budgets as well as cheap car hire and transport links.

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