Surf Forecasts:
Bikini surf forecast from 4 Aug 2026:
- Best quality surf: Tuesday 4 Aug, 6PM (local time) - 3ft (0.9m), 10s period, SSE swell with cross-offshore winds.
- Most powerful swell: Friday 7 Aug, 6AM (local time) - 15ft (4.5m), 12s period, SSW swell with 4,898 kJ wave energy.
- Next surfable swell (1★+): Tuesday 4 Aug, 6PM (local time) - 3ft (0.9m), 10s 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 Tuesday (Aug 04) at 6PM. The primary swell is predicted to be 0.9m and 10s period with a secondary swell of 0.5m and 7s. Another secondary swell of 0.8m and 5s is also forecast. 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 4.5m 12s and forecast to arrive on Friday (Aug 07) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Thursday (Aug 06) at 3PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Tue 4th Aug) | 3ft (0.9m) 10s |
| Best Surf | 6PM (Tue 4th Aug) | 3ft (0.9m) 10s |
| Most Powerful | 6AM (Fri 7th Aug) | 15ft (4.5m) 12s |
Table - best surf conditions forecast for Bikini over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s talk about Bikini.
Look, I’m not gonna sugarcoat it – the next couple of weeks are a real struggle at Bikini. This is a spot that’s super consistent and exposed, and it handles a south swell like a champ, but the window ahead is mostly a write-off. We’re looking at a long, blank stretch of poor conditions with only a few flickers of something rideable.
The first real chance to get wet comes Wednesday morning, August 5th. We’ve got a tiny 2ft SE swell rolling in with a 9-second period, and the energy is weak. The wind is offshore from the NE though, so it’ll be clean. It’s surfable, but ordinary. Thursday morning, August 6th, is similar – even smaller with barely any energy, but again, clean with a cross-off breeze. It’s pretty woeful, to be honest.
Then we hit a proper dead zone. From Friday, August 7th, through to about Tuesday, August 18th, it’s all poor surf. There’s a big spike of energy on Friday the 7th with a 12ft SSW swell and huge energy, but a screaming 28 mph cross-onshore wind from the WSW makes it a total mess – that’s kite-surfing territory, not for paddling. The wind stays ugly for days after that.
We finally get a glimmer of hope on Tuesday, August 18th. The morning sees a 3ft S swell with a clean cross-off wind, and the afternoon is looking even better – glassy conditions with a light NW breeze, and a touch more energy. The swell is short period though, at 8 seconds, so it won’t have much push. It’s surfable, but very ordinary. It’s just about the only thing on the calendar that’s even worth a look, but it’s barely a standout.
The water temperature is about average for the time of year, so no surprises there.
Hang in there, folks. This is a rough patch. The forecasts can change, so keep an eye on it, but right now, don’t plan your week around it.
Rusty.
Short Range ForecastLight rain (total 8mm), mostly falling on Thu afternoon. Very mild (max 19°C on Thu afternoon, min 13°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Thu night. Very mild (max 12°C on Thu night, min 7°C on Fri night). Winds decreasing (near gales from the WSW on Thu night, light winds from the WNW by Fri night). | ||||||||||||||||||
Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SSE 11 | SSE 11 | SSE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SW 8 | SSW 11 | S 11 | S 11 | SSE 11 | SSE 11 | SW 6 | SW 6 | SW 6 | SSE 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 183 | 146 | 160 | 77 | 52 | 40 | 28 | 25 | 17 | 1490 | 3328 | 1265 | 804 | 443 | 307 | 120 | 245 | 278 | 106 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross | cross-off | off | cross | cross-off | cross-off | off | cross-on | cross-on | cross-on | cross-off | cross-off | cross-on | cross-on | cross | cross-on | cross-on |
High Tide | 11:23PM0.24m | 4:41AM0.20m | 00:14AM0.22m | 5:39AM0.21m | 12:08PM0.32m | 1:08AM0.21m | 6:41AM0.20m | 1:00PM0.34m | 2:08AM0.19m | 7:52AM0.19m | 1:58PM0.36m | 3:11AM0.18m | 3:02PM0.37m | 4:14AM0.18m | 4:10PM0.38m | ||||
Low Tide | 2:26AM0.18m | 7:30AM0.16m | 7:59PM0.05m | 3:05AM0.17m | 8:49PM0.03m | 3:50AM0.17m | 9:42PM0.02m | 4:43AM0.16m | 10:40PM0.01m | 5:49AM0.15m | 11:42PM0.01m | 7:07AM0.14m | 00:46AM0.02m | ||||||
 |  | |  |  | |  | |  |  |  | |  | | | | | | | |
 | — | 7:31 | — | — | 7:30 | — | — | 7:28 | — | — | 7:28 | — | — | 7:26 | — | — | 7:26 | — | — |
 | — | — | 5:59 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:01 | — | — | 6:02 | — |
mm | 2 | — | — | — | — | — | — | — | 6 | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 18 | 19 | 12 | 10 | 11 | 10 | 11 | 11 | 9 | 11 | 11 | 10 |
Feels °C | 13 | 13 | 12 | 13 | 15 | 15 | 14 | 17 | 17 | 5 | 1 | 4 | 4 | 5 | 4 | 3 | 3 | 3 | 4 |
Swell 1 Height (m) Direction Period (s) | SSE 11 | SSE 11 | SSE 10 | SE 6 | SE 6 | SE 6 | SE 9 | SE 6 | SE 8 | E 6 | — | S 11 | S 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 12 | SSE 12 |
| kJ | 183 | 146 | 160 | 32 | 26 | 29 | 28 | 11 | 17 | 3 | — | 1265 | 804 | 443 | 307 | 105 | 46 | 58 | 94 |
Swell 2 Height (m) Direction Period (s) | E 4 | ENE 8 | ENE 7 | SE 10 | SE 9 | SE 9 | ENE 7 | SE 8 | S 9 | ESE 8 | — | — | — | — | E 9 | E 11 | E 10 | E 10 | E 9 |
| kJ | 7 | 6 | 9 | 77 | 52 | 40 | 9 | 25 | 2 | 6 | — | — | — | — | 2 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | ENE 8 | — | S 12 | E 7 | ENE 7 | ENE 7 | S 8 | S 10 | S 7 | — | — | — | — | — | — | S 9 | — | — | — |
| kJ | 7 | — | 3 | 24 | 9 | 9 | 1 | 8 | 1 | — | — | — | — | — | — | 7 | — | — | — |
Wind waves Height (m) Direction Period (s) | E 4 | ESE 4 | ESE 5 | — | — | — | SE 6 | ENE 7 | E 4 | SW 8 | SSW 11 | W 5 | W 5 | W 4 | WSW 4 | SW 6 | SW 6 | SW 6 | SSW 6 |
| kJ | 11 | 8 | 7 | — | — | — | 16 | 15 | 14 | 1490 | 3328 | 85 | 65 | 17 | 25 | 120 | 245 | 278 | 106 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 67 | 147 | 0 | 0 | 64 | 0 | 0 | 926 | 684 | 427 | 147 | 6 | 2 | 109 | 16 | 16 | 147 | 16 |
Best forecast wave conditions in Uruguay - South | |||||||||||||||||||
Best forecast wave conditions in Uruguay | |||||||||||||||||||
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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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