Bikini Surf Break

Lat Long: 34.88° S 54.77° W

Bikini Surf Forecast and Surf Report

Issued: 2 am 25 Jul 2026 (local time)

Forecast update in  hr  min

Today's Bikini sea temperature is
11.8° C
1.0° 

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


Bikini surf forecast from 25 Jul 2026:

  • Best quality surf: Saturday 1 Aug, 3AM (local time) - 5ft (1.5m), 7s period, E swell with glassy winds.
  • Most powerful swell: Thursday 30 Jul, 9AM (local time) - 4.5ft (1.4m), 11s period, SSE swell with 460 kJ wave energy.
  • Next surfable swell (1★+): Saturday 25 Jul, 12PM (local time) - 2ft (0.6m), 12s period with S 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 Saturday (Jul 25) at 12PM. The primary swell is predicted to be 0.6m and 12s period with a secondary swell of 0.5m 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 1.4m 11s and forecast to arrive on Thursday (Jul 30) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Friday (Jul 31) at 9PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+)12PM (Sat 25th Jul)2ft (0.6m) 12s
Best Surf 3AM (Sat 1st Aug)5ft (1.5m) 7s
Most Powerful 9AM (Thu 30th Jul)4.5ft (1.4m) 11s

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


The Lowdown

Alright, folks, Rusty here. Let's break down the next couple of weeks for Bikini.

The water temp is a touch warmer than average, sitting at about 53°F, so it's a bit of a warmer welcome than usual.

The first real chance to get wet is Saturday, July 25th. The morning is the only call. We've got a tiny 2 ft S swell with a 12-second period, and the combined energy is a weak 137. The wind is dead glassy from the ESE at 3 mph. That'll make for some clean, glassy lines, but you'll be scratching for anything over knee-high. The afternoon gets wrecked by a stiff NE wind, so get in early.

Sunday, July 26th, is a bit of a tease. The morning is a no-go, but the afternoon glass-off arrives with a light SW breeze. The swell is tiny, 1 ft from the SSE, with a 12-second period. The energy is a paltry 83. It's clean, but it's a real knee-knocker.

We hit a bad patch after that. From Monday, July 27th, through Wednesday, July 29th, the conditions are poor. The wind is onshore or cross-shore, and the swell is either weak or building with bad wind. Don't bother.

Thursday, July 30th, is a bit of a gamble. The morning shows a 5 ft SSE swell, with an 11-second period and a combined energy of 690. That's a decent-sized groundswell. The wind is a light cross-onshore, which will create some bumps. The forecast flags "marginal surf forecast or questionable tide conditions." It's a "maybe" for the experienced crew.

The absolute standout of the whole forecast is Monday, August 3rd. The afternoon session is the one. We've got a solid 6 ft E swell, with a 9-second period, and a combined energy of 479. The wind is a clean, gentle offshore from the NNE at 9 mph. This is the classic recipe for some well-shaped, clean waves. It's expert-level territory, but it's the best, most promising swell of the entire 16 days. The morning is also surfable at 7 ft, but the wind is a cross-off, so the afternoon is the clear winner.

The rest of the first week of August is a letdown. Tuesday, August 4th, is blown out by onshore wind. The following days are a mix of small, clean but weak swells, or stronger winds kicking up the chop.

In the second week, we're looking at the weekend of August 8th and 9th. Saturday, August 8th, offers a weak 2 ft E swell in the morning with clean conditions, but it's barely worth a mention. Sunday, August 9th, is similar with a tiny 1 ft SE swell. The energy is very low, and the whole period is a write-off.

So, the bottom line is: hold out for Monday, August 3rd afternoon. It's the only real standout. The rest is mostly small, wind-affected, or both. The wait is long, but that session could be a gem.

Rusty.

Short Range Forecast

Light rain (total 3mm), mostly falling on Mon afternoon. Very mild (max 16°C on Mon afternoon, min 12°C on Sat morning). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 13°C on Tue morning, min 9°C on Tue night). Wind will be generally light.

Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
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
0
1
0
1
1
1
1
1
0
0
0
0
0
1
2
1
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)
0.6
S
12
0.5
S
12
0.8
E
8
0.4
SSE
13
0.4
SSE
12
0.5
E
7
0.5
E
7
0.3
S
13
0.4
S
11
0.5
S
10
0.4
S
9
0.5
E
8
1
SSE
6
1.2
S
8
1.1
S
10
1.4
SSE
11
1.1
SSE
10
1.1
SE
9
0.7
S
10
0.6
S
9
1.7
E
6
Wave Graph
Metric surfscale
Energy kJ
108
70
72
54
46
27
27
29
38
47
27
28
72
196
216
460
237
203
88
56
226
Wind (km/h)
5
ESE
20
NE
15
N
5
WSW
5
SW
10
ENE
15
NE
15
NE
5
WSW
10
SSW
10
SSE
20
SE
25
SSE
10
S
10
S
10
SSE
15
SE
15
ENE
20
ENE
30
ENE
15
ENE
Wind State
glassy
cross-off
off
cross-on
glassy
cross-off
cross-off
off
glassy
on
cross-on
cross
cross-on
cross-on
on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
High Tide
10:14AM0.18m
4:50PM0.30m
6:16AM0.19m
5:37PM0.31m
6:52AM0.19m
6:21PM0.31m
7:25AM0.19m
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
Low Tide
10:48AM0.18m
1:09AM0.06m
9:11AM0.17m
1:59AM0.06m
9:46AM0.17m
2:45AM0.07m
10:25AM0.16m
3:28AM0.07m
3:03PM0.17m
4:10AM0.08m
4:00PM0.15m
4:50AM0.09m
12:24PM0.16m
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
light rain
rain showers
part cloud
clear
cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:39
7:37
7:37
7:35
7:35
7:35
7:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:52
5:52
5:53
5:54
5:55
5:55
 mm
2
1
3
Temp °C
13
15
14
14
14
12
14
16
15
13
13
10
11
11
10
10
10
10
14
13
13
Feels °C
11
12
12
13
14
10
11
14
16
11
11
5
6
8
7
7
7
7
9
8
10
  • 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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