Surf Forecasts:
Bikini surf forecast from 24 Aug 2026:
- Best quality surf: Wednesday 26 Aug, 12AM (local time) - 5ft (1.6m), 14s period, SE swell with offshore winds.
- Most powerful swell: Monday 24 Aug, 3AM (local time) - 6ft (1.9m), 13s period, SSE swell with 1,288 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 1.9m 13s and forecast to arrive on Monday (Aug 24) at 3AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Wednesday (Aug 26) at 9PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Mon 24th Aug) | 5ft (1.5m) 11s |
| Best Surf | 12AM (Wed 26th Aug) | 5ft (1.6m) 14s |
| Most Powerful | 3AM (Mon 24th Aug) | 6ft (1.9m) 13s |
Table - best surf conditions forecast for Bikini over the next 16 days.
The Lowdown
Alright, let's get into it. The guide points to Bikini, a beach and point setup that's advanced and often has a crowd, exposed to southerly swells.
The first part of the run is real rough. Monday, the 24th of August, we've got a lumpy, onshore SSE swell at 6ft with a short 12-second period. The combined energy is moderate at 905, but with the wind blowing straight on, it's a total write-off.
Things clean up a bit by Tuesday morning, the 25th. The wind turns offshore from the NNE at 6 mph, the swell drops to 4ft from the SSE, and it gets a lot cleaner. The energy is lower at 382, but it's surfable. Not a standout, just a step in the right direction.
The real standout is Wednesday, the 26th of August. A proper SE groundswell arrives at 5ft with a very long 16-second period. The combined energy hits 1859, which is strong. The key is the moderate NE offshore wind at 12 mph holding all morning and into the afternoon. That's going to groom those long-period lines beautifully at the point. This is for experienced surfers only, as the size and power are real, and that long period might make it close out fast on the beach, so hit the point for the best rides. The morning session is the one to aim for.
Thursday the 27th still has some life with a 13-second SE swell at 3ft, and the offshore wind holds for the morning, making for a fun smaller session. The afternoon gets messy with onshore wind.
From Friday the 28th, we hit a big dead spell. The waves go tiny and weak, often under 3ft with short periods. The combined energy sinks into the double digits, sometimes as low as 14. The wind is all over the place, mostly onshore or cross. There are days and days with no decent surf.
There's a tiny pulse on Monday, the 7th of September, with a 4ft SE swell and clean conditions, but the period is a short 8 seconds and the energy is low at 142. It's surfable but nothing special.
The one to circle on the calendar: Wednesday, 26th of August at Bikini. A solid, long-period groundswell with clean offshore wind will give you powerful, lined-up waves. The crowd will be there, so be ready for it. The rest of the window is mostly a flat, blown-out mess, but that one day is worth the wait.
Rusty.
Short Range ForecastMostly dry. Very mild (max 16°C on Wed afternoon, min 4°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 8mm), mostly falling on Thu morning. Very mild (max 18°C on Thu morning, min 11°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | ||||||||||||||
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 14 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SE 15 | SE 14 | SE 16 | SE 14 | SE 13 | SE 13 | SE 12 | SE 11 | E 10 | E 10 | SE 6 | ESE 5 | ESE 6 | ESE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 1690 | 905 | 658 | 439 | 359 | 316 | 1077 | 1224 | 928 | 525 | 234 | 169 | 99 | 108 | 106 | 47 | 49 | 51 | 70 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-off | off | cross-off | off | off | off | cross-off | off | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross |
High Tide | 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 | 8:19AM0.25m | 8:55PM0.27m | |||||||
Low Tide | 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 | 4:15AM0.12m | 4:24PM0.08m | 00:58AM0.19m | ||||||
 |  |  |  |  | |  | | | |  | |  | | | | | | | |
 | — | 7:09 | — | — | 7:07 | — | — | 7:05 | — | — | 7:05 | — | — | 7:03 | — | — | 7:01 | — | — |
 | 6:13 | — | 6:14 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — |
mm | — | — | — | — | — | — | — | — | — | — | 4 | 2 | 2 | — | — | — | — | — | — |
Temp °C | 8 | 7 | 7 | 6 | 8 | 10 | 8 | 13 | 16 | 14 | 18 | 14 | 12 | 13 | 12 | 11 | 13 | 13 | 12 |
Feels °C | 2 | 2 | 3 | 3 | 3 | 5 | 3 | 9 | 12 | 13 | 18 | 12 | 9 | 9 | 8 | 8 | 9 | 9 | 10 |
Swell 1 Height (m) Direction Period (s) | SSE 14 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 10 | SE 14 | SE 16 | SE 14 | SE 13 | E 7 | E 7 | E 8 | E 10 | E 10 | ENE 10 | ENE 10 | ESE 6 | ENE 9 |
| kJ | 1690 | 905 | 658 | 439 | 359 | 316 | 1077 | 1224 | 928 | 525 | 70 | 61 | 86 | 108 | 106 | 33 | 18 | 51 | 17 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SE 15 | SE 15 | — | SE 16 | — | — | SE 13 | SE 12 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | ENE 9 | SSE 9 |
| kJ | — | — | — | — | 8 | 266 | — | 635 | — | — | 234 | 169 | 99 | 55 | 25 | 15 | 14 | 17 | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SE 20 | — | — | — | — | — | — | — | — | — | — | S 6 | — | SE 10 | S 8 |
| kJ | — | — | — | — | 15 | — | — | — | — | — | — | — | — | — | — | 1 | — | 14 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NE 4 | NE 4 | ENE 4 | ENE 5 | — | SW 2 | S 5 | SSE 4 | SE 5 | SE 6 | ESE 5 | — | ESE 7 |
| kJ | — | — | — | — | — | — | 16 | 7 | 13 | 50 | — | 1 | 27 | 25 | 28 | 47 | 49 | — | 70 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 242 | 147 | 436 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 16 | 150 | 242 | 399 | 329 | 253 | 313 | 329 |
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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