Bikini Surf Break

Lat Long: 34.88° S 54.77° W

Bikini Surf Forecast and Surf Report

Issued: 8 pm 22 Aug 2026 (local time)

Forecast update in  hr  min

Today's Bikini sea temperature is
10.8°C
0.4° 

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


Bikini surf forecast from 23 Aug 2026:

  • Best quality surf: Monday 24 Aug, 9PM (local time) - 5ft (1.5m), 11s period, SSE swell with cross-offshore winds.
  • Most powerful swell: Sunday 23 Aug, 12PM (local time) - 8ft (2.5m), 13s period, S swell with 2,560 kJ wave energy.
  • Next surfable swell (1★+): Monday 24 Aug, 9PM (local time) - 5ft (1.5m), 11s period with SSE swell.

Best Forecast Surf Conditions for Bikini this week:

The surf forecast for Bikini over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 9PM. The primary swell is predicted to be 1.5m and 11s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Bikini in the next 16 days are 2.5m 13s and forecast to arrive on Sunday (Aug 23) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 7s period and expected on Thursday (Aug 27) at 6AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Mon 24th Aug)5ft (1.5m) 11s
Best Surf 9PM (Mon 24th Aug)5ft (1.5m) 11s
Most Powerful12PM (Sun 23rd Aug)8ft (2.5m) 13s

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


The Lowdown

Alright folks, Rusty here. Let's have a look at what's on the menu for the next couple of weeks.

First up, we're talking about Bikini, an advanced spot that's a mix of beach and point. The water's sitting at 51°, which is about average for this time of year, so nothing to write home about there. The swell energy is moderate, but we're in for a bit of a wait before the real fun starts.

The first few days are a write-off, I'm not gonna lie. Saturday the 22nd through Sunday the 23rd is a mess with strong cross-onshore winds and a big, raw swell. The energy is massive – we're talking (2,209) on Sunday morning and a whopping (5,329) on Sunday afternoon – but it's all blown out and messy. That's an expert-only situation if it's even surfable, and honestly, it looks more like a kite-surfing day than a paddle-surfing day.

Monday the 24th is still pretty average with light cross-onshore winds, keeping the waves small and bumpy. The energy is moderate (834).

Then we see the window open. Tuesday morning the 25th is the real standout. The wind swings offshore from the NE at 6 mph, which is exactly what we want. The swell is 4ft from the SSE, and with a period of 11 seconds, it's got some decent groundswell energy (414). The conditions are clean. This is the best session on offer, no doubt about it. The size is manageable for a solid intermediate, but it's an advanced spot, so you'll want your wits about you.

The next few days are promising. Wednesday the 26th and Thursday the 27th are also looking good with gentle offshore winds and clean conditions. The swell is a bit smaller, dropping from 5ft to 3ft, and the energy backs off a touch (671 to 238). By Thursday afternoon, we even get a glassy moment with a 2ft SE swell. That's a nice little window.

But then, from Friday the 28th onward, it all fades out. The swell drops off to knee-high dribble, the energy is weak (under 100), and we get a long dry spell of poor surf. The wind is either onshore or cross-shore, and it just doesn't look good. There's a brief, tiny whisper of life on Friday the 4th of September with some clean but small 2ft waves, but that's about it. The rest of the run into the second week is flat and not worth getting wet for.

So, to wrap it up: Tuesday the 25th is your one clear shot for a proper session with clean, offshore winds and a good 4ft of S swell. After that, it's a waiting game until maybe the 4th of September, but don't hold your breath.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 12°C on Tue afternoon, min 5°C on Mon night). Mainly fresh winds.

Days 5-7 Weather Summary

Moderate rain (total 17mm), heaviest on Thu night. Very mild (max 18°C on Wed afternoon, min 8°C on Tue night). Wind will be generally light.

Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
2
1
2
2
3
2
3
3
3
2
2
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
SSW
11
2.5
S
13
2.2
S
13
2.2
SSE
14
1.7
SSE
12
1.6
SSE
12
1.4
SSE
11
1.2
SSE
11
1.1
SE
15
1.5
SSE
14
1.4
SE
14
1.3
SE
14
1
SE
13
0.9
SE
12
0.7
SE
12
0.6
SSE
11
0.6
E
10
0.4
SE
10
0.7
ESE
6
Wave Graph
Metric surfscale
Energy kJ
959
2209
1736
1690
905
658
447
308
574
921
701
595
342
220
144
81
73
25
31
Wind (km/h)
25
WSW
25
SSW
20
SSW
15
SSW
15
S
10
SSE
15
NE
10
NE
20
NE
15
NE
15
NE
15
NE
10
NE
10
NNE
10
S
5
SSE
15
SE
15
SE
10
ESE
Wind State
cross-on
on
on
on
cross-on
cross-on
off
off
cross-off
off
off
off
cross-off
off
on
cross-on
cross-on
cross-on
cross
High Tide
5:58AM0.18m
4:07PM0.28m
6:10AM0.18m
5:03PM0.28m
6:33AM0.19m
5:56PM0.28m
6:56AM0.20m
6:44PM0.28m
7:20AM0.21m
7:29PM0.28m
7:48AM0.23m
8:12PM0.28m
Low Tide
11:32PM0.07m
6:50AM0.18m
00:27AM0.08m
8:42AM0.18m
1:21AM0.08m
9:42AM0.17m
2:10AM0.09m
1:43PM0.16m
2:54AM0.10m
2:44PM0.14m
3:35AM0.11m
3:36PM0.11m
part cloud
part cloud
cloud
cloud
cloud
clear
clear
clear
part cloud
part cloud
cloud
part cloud
cloud
light rain
mod rain
rain showers
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:09
7:09
7:07
7:05
7:05
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:12
6:13
6:14
6:15
6:15
6:15
6:16
 mm
1
6
10
Temp °C
10
8
8
8
7
7
6
9
12
9
15
18
14
17
17
12
13
13
11
Feels °C
3
1
2
3
3
4
2
4
7
5
12
16
12
18
17
9
8
9
8
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  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Bikini Surf forecast

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

Bikini is 17 km (11 miles) from the city of San Carlos. If you plan a holiday in Uruguay - South, look for hotels and other accommodation in San Carlos. San Carlos has rooms for a wide range of budgets as well as car hire and transport links.

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