Bikini Surf Break

Lat Long: 34.88° S 54.77° W

Bikini Surf Forecast and Surf Report

Issued: 2 am 28 Jul 2026 (local time)

Forecast update in  hr  min

Today's Bikini sea temperature is
12.2° C
1.5° 

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


Bikini surf forecast from 28 Jul 2026:

  • Best quality surf: Monday 3 Aug, 6PM (local time) - 4.5ft (1.4m), 9s period, SE swell with cross-offshore winds.
  • Most powerful swell: Monday 3 Aug, 9PM (local time) - 5ft (1.5m), 9s period, SE swell with 359 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 29 Jul, 9PM (local time) - 2.5ft (0.7m), 8s 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 Wednesday (Jul 29) at 9PM. The primary swell is predicted to be 0.7m and 8s period with a secondary swell of 0.3m and 8s. 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 1.5m 9s and forecast to arrive on Monday (Aug 03) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Friday (Jul 31) at 12AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Wed 29th Jul)2.5ft (0.7m) 8s
Best Surf 6PM (Mon 3rd Aug)4.5ft (1.4m) 9s
Most Powerful 9PM (Mon 3rd Aug)5ft (1.5m) 9s

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


The Lowdown

G’day, Rusty here. Look, I’ll be straight with you – the next couple of weeks are a tough watch for Bikini (beach and point). The swell is tiny and the conditions are mostly messy, so don’t get your hopes up too high.

We start off with a real flat spell. Tuesday the 28th of July through to Thursday the 31st of July, you’re looking at weak, short-period slop – mostly around 1 ft to 3 ft from the SSE or E, with onshore or cross-shore breezes messing it up. The combined swell energy is weak, sitting between 34 and 112 (78 to 112). The water is sitting at 54°F, which is a touch warmer than normal for this time of year, so that’s a small comfort. But honestly, there’s nothing worth paddling out for.

Friday the 31st of July afternoon shows a little pulse of life – 4 ft from the E with a moderate offshore NNE breeze at 12 mph, and the combined energy bumps up to 163. The conditions are clean, but the wave comment says it’s just surfable waves with very ordinary conditions. Not a standout, but it’s the first sign of something.

The weekend of the 1st and 2nd of August is a write-off again – fresh cross-onshore winds, lumpy, and weak swell. The combined energy on Saturday afternoon hits 159, but the wind is a fresh 19 mph from the SW, making it a mess. This setup is more interesting for kite surfing than paddle surfing.

Monday the 3rd of August morning is borderline – clean conditions with a cross-off ENE breeze at 16 mph, and 3 ft from the SSE at 10 seconds. The combined energy is 175. Still small, but clean. The afternoon is similar, with 3 ft and 193. Not a standout, but a step in the right direction.

The real standout, and the only one I’d get excited about, is Wednesday the 5th of August. The morning offers 4 ft from the SE, with a gentle offshore NNE breeze at 9 mph, clean conditions, and a combined energy of 175. The afternoon is similar, with 4 ft from the SE, offshore N wind at 9 mph, and a combined energy of 194. This is the best on offer – clean, offshore, and small but rideable. The swell direction matches the guidance optimum from the S, so it’s working well for Bikini’s exposed setup. The break is a beach and point, and it’s very consistent, so you can expect some waves. But with crowds marked as “often”, expect a few others on it too.

After that, the second week gets messy again. Friday the 7th of August morning has 4 ft from the SSW at 6 seconds, with a clean cross-off breeze, but that period is short and the combined energy is 272. The afternoon sees a fresh 22 mph WSW cross-onshore, making it lumpy. Saturday the 8th of August morning is similar – 5 ft from the SSW at 7 seconds, clean cross-off, but a short period again. The swell is bumping, but the quality isn’t there.

Sunday the 9th and Monday the 10th of August see a bigger, longer-period swell from the S – 4 ft to 4 ft, with periods of 11 to 12 seconds, and combined energy hitting 570 to 680. That’s strong wave energy. But the wind is cross-onshore at 9 to 19 mph, making it choppy and lumpy. The long period suggests better-shaped waves, but at a beach-and-point break, it might break a bit straight. For experts, it could be worth a look, but the conditions aren’t doing it any favours.

Tuesday the 11th of August through Wednesday the 12th of August, the swell drops back to 3 ft to 4 ft from the S and SSE, with periods of 12 to 14 seconds. Combined energy is still strong (327 to 610). The wind is cross-shore or cross-off, with clean conditions on Wednesday morning. But again, the wave comments are marginal or poor. It’s not a standout.

So, the best bet is Wednesday the 5th of August – clean, offshore, small but fun. The rest of the window is mostly flat, windy, or messy. Forecasts can change, but for now, keep your expectations low.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 14°C on Tue morning, min 9°C on Wed morning). Winds increasing (light winds from the SSW on Tue morning, fresh winds from the NE by Thu night).

Days 4-6 Weather Summary

Heavy rain (total 35mm), heaviest during Fri night. Warm (max 20°C on Fri afternoon, min 8°C on Sun afternoon). Winds decreasing (fresh winds from the SW on Sat morning, light winds from the S by Sun morning).

Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Saturday
1
Sunday
2
Monday
3
AM
PM
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
0
0
0
0
0
0
0
1
0
0
0
0
0
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)
0.5
S
10
0.5
E
8
0.6
S
9
0.4
E
8
0.7
SSE
5
0.7
SSE
7
0.4
SSE
13
0.6
S
12
0.4
SSE
11
0.4
SSE
10
1.1
E
8
0.3
S
9
0.8
E
10
0.8
E
10
1.2
S
6
1
S
6
0.8
SSE
6
0.4
SSE
12
0.9
SSE
10
1
SSE
10
0.9
SSE
9
Wave Graph
Metric surfscale
Energy kJ
48
30
64
27
24
57
55
101
39
32
135
14
117
135
94
73
43
48
167
193
119
Wind (km/h)
10
SSW
15
SE
20
SSE
15
SSE
10
SE
10
ESE
20
ENE
30
ENE
30
NE
25
NE
20
NNE
25
NNW
30
SW
30
SW
20
SSW
10
S
15
SE
20
ENE
25
ENE
20
ENE
25
WSW
Wind State
on
cross
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
off
off
cross-off
cross-on
cross-on
on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-on
High Tide
7:04PM0.31m
7:56AM0.20m
1:24PM0.17m
7:45PM0.30m
8:26AM0.21m
1:39PM0.17m
8:27PM0.29m
8:56AM0.22m
2:03PM0.17m
9:08PM0.28m
9:28AM0.24m
2:32PM0.16m
9:51PM0.27m
10:03AM0.25m
3:00PM0.15m
10:36PM0.26m
3:42AM0.20m
11:23PM0.24m
Low Tide
10:25AM0.16m
3:28AM0.07m
3:03PM0.17m
4:10AM0.08m
4:00PM0.15m
4:50AM0.09m
12:24PM0.16m
5:31AM0.10m
1:09PM0.16m
1:37AM0.19m
6:11AM0.12m
2:01PM0.15m
6:25PM0.09m
6:51AM0.14m
7:12PM0.07m
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
rain showers
rain showers
rain showers
cloud
part cloud
part cloud
part cloud
clear
light rain
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:35
7:35
7:35
7:33
7:33
7:31
7:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:53
5:54
5:55
5:55
5:57
5:58
5:58
 mm
6
26
3
1
2
1
Temp °C
14
13
11
11
11
9
12
13
14
19
20
20
13
11
10
9
9
10
12
12
12
Feels °C
13
10
9
7
8
6
7
7
10
17
18
18
8
5
4
6
5
6
7
9
11
  • Map Icons:
  • Break
  • 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 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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