Surf Forecasts:
Bikini surf forecast from 17 Jul 2026:
- Best quality surf: Friday 17 Jul, 9AM (local time) - 2.5ft (0.8m), 8s period, E swell with offshore winds.
- Most powerful swell: Tuesday 21 Jul, 6AM (local time) - 10ft (3.0m), 8s period, S swell with 1,029 kJ wave energy.
- Next surfable swell (1★+): Friday 17 Jul, 9AM (local time) - 2.5ft (0.8m), 8s period with E 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 Friday (Jul 17) at 9AM. The primary swell is predicted to be 0.8m and 8s period with a secondary swell of 0.3m and 10s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Bikini in the next 16 days are 3.0m 8s and forecast to arrive on Tuesday (Jul 21) 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 1.0m 6s period and expected on Thursday (Jul 23) at 6AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Fri 17th Jul) | 2.5ft (0.8m) 8s |
| Best Surf | 9AM (Fri 17th Jul) | 2.5ft (0.8m) 8s |
| Most Powerful | 6AM (Tue 21st Jul) | 10ft (3.0m) 8s |
Table - best surf conditions forecast for Bikini over the next 16 days.
The Lowdown
Alright, Rusty here again, giving you the same picture in feet and miles per hour.
This is a real mixed bag for Bikini. The first few days are rideable, but nothing to shout about. Friday morning the 17th you’ve got small 2-3ft E swell with a short period, but the wind is a moderate 16 mph from the N keeping it clean. The energy is weak. It’s surfable, but very ordinary. The water temp is 52°F, about average for the season.
The standout is Saturday morning, the 18th of July. The wind goes glassy, just 3 mph from the NNE. The swell is still small at 2-3ft from the E, but the period bumps up to 10 seconds, and the energy is moderate. At Bikini, a beach and point setup, that glassy surface will make these small waves feel much better. Crowds are often here, so you’ll have some company.
From Sunday the 19th, things get messy. Monday the 20th sees a spike in swell to 6-7ft from the SE, but the wind is a strong cross-shore, making it choppy and poor. The energy is strong, but it’s not worth it. For a few days, it’s better for kite surfing than paddling.
We get a cleaner lull from Wednesday the 22nd to Friday the 24th with small, clean surf in the 2ft to 4ft range, but it’s all very ordinary. Nothing exciting.
Then there’s a decent window on Saturday the 25th. The morning shows a 2ft S swell with a very long 13-second period and light offshore winds from the N. The energy is moderate. That long period groundswell will wrap nicely into the point. By the afternoon, it goes glassy with 2ft S swell at 12 seconds. This is the second-best option, but it’s still small.
After that, from the 26th of July to the 1st of August, it’s a long stretch of poor conditions. The wind is mostly onshore or cross-onshore, and the swell is tiny. There’s a spike in energy on the 1st of August, but it’s with a strong 22 mph cross-onshore wind, making it lumpy. The 16-day window ends weakly.
So, your best bet is the 18th of July (Saturday) for small, glassy waves. The 25th of July is a promising but less certain option for long-period groundswell. The rest is a long stretch of poor or very ordinary conditions. Don’t plan your trip around it.
Rusty.
Short Range ForecastHeavy rain (total 24mm), heaviest during Sat night. Warm (max 24°C on Fri afternoon, min 11°C on Sun afternoon). Winds increasing (calm on Fri night, fresh winds from the S by Sun afternoon). | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Mon afternoon. Very mild (max 13°C on Mon morning, min 9°C on Mon night). Winds decreasing (strong winds from the S on Mon night, light winds from the ESE by Tue night). | ||||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||
AM | PM | 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) | E 8 | ESE 10 | S 8 | E 10 | E 10 | S 12 | E 4 | S 7 | S 8 | SE 6 | ESE 7 | SE 7 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | S 8 | ESE 6 | ESE 6 | S 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 76 | 19 | 5 | 122 | 96 | 3 | 6 | 338 | 272 | 216 | 362 | 418 | 669 | 344 | 322 | 173 | 147 | 64 | 62 | 43 | 28 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | glassy | cross-off | off | cross-off | on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | glassy | on |
High Tide | 9:41AM0.27m | 10:15PM0.32m | 10:31AM0.29m | 11:10PM0.28m | 3:17AM0.21m | 00:07AM0.24m | 4:17AM0.21m | 12:16PM0.30m | 1:08AM0.22m | 5:09AM0.20m | 1:11PM0.30m | 2:19AM0.20m | 5:55AM0.20m | 2:08PM0.30m | 3:42AM0.19m | 3:06PM0.30m | |||||
Low Tide | 5:49PM0.06m | 6:28AM0.08m | 6:48PM0.04m | 7:15AM0.10m | 7:44PM0.04m | 3:01AM0.20m | 8:39PM0.04m | 3:34AM0.20m | 9:33PM0.04m | 4:14AM0.19m | 10:26PM0.05m | 5:16AM0.19m | 11:20PM0.06m | ||||||||
 |  |  | |  |  | |  |  | | |  | | | | | |  | | |  | |
 | 7:43 | — | — | 7:43 | — | — | 7:41 | — | — | 7:41 | — | — | 7:41 | — | — | 7:39 | — | — | 7:39 | — | — |
 | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — | 5:49 | — | — | 5:49 | — | — | 5:50 | — | — | 5:51 | — |
mm | 1 | 3 | 6 | 1 | — | 11 | 2 | — | — | — | 2 | 6 | — | — | — | — | — | — | — | 1 | — |
Temp °C | 23 | 24 | 22 | 18 | 20 | 16 | 17 | 12 | 12 | 13 | 12 | 12 | 9 | 9 | 10 | 12 | 12 | 12 | 12 | 13 | 11 |
Feels °C | 19 | 21 | 20 | 19 | 20 | 15 | 15 | 7 | 8 | 9 | 7 | 7 | 2 | 3 | 6 | 7 | 8 | 9 | 12 | 13 | 9 |
Swell 1 Height (m) Direction Period (s) | E 8 | ENE 8 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | S 9 | S 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SE 8 | SE 8 | S 8 | ESE 6 | ESE 6 | ESE 6 |
| kJ | 76 | 65 | 123 | 122 | 96 | 52 | 52 | 50 | 51 | 15 | 14 | 29 | 29 | 17 | 8 | 173 | 147 | 64 | 62 | 43 | 13 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 10 | WNW 4 | S 13 | S 13 | S 12 | E 4 | — | S 10 | — | — | — | — | S 12 | S 11 | ENE 10 | SSW 7 | SE 7 | S 8 | S 8 | S 8 |
| kJ | 20 | 19 | 2 | 14 | 3 | 3 | 5 | — | 8 | — | — | — | — | 3 | 2 | 20 | 9 | 25 | 50 | 31 | 28 |
Swell 3 Height (m) Direction Period (s) | S 9 | S 8 | S 8 | S 8 | S 7 | S 7 | S 11 | — | — | — | — | — | — | — | — | S 13 | ENE 10 | S 10 | ENE 9 | ENE 9 | ENE 6 |
| kJ | 6 | 6 | 5 | 1 | 1 | 1 | 2 | — | — | — | — | — | — | — | — | 3 | 18 | 8 | 8 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | N 4 | NW 4 | NNW 4 | ESE 3 | NNE 3 | E 3 | S 4 | S 7 | S 8 | SE 6 | ESE 7 | SE 7 | SSE 8 | SSE 8 | SE 8 | — | — | E 4 | — | — | — |
| kJ | 12 | 24 | 10 | 4 | 5 | 8 | 6 | 338 | 272 | 216 | 362 | 418 | 669 | 344 | 322 | — | — | 22 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 147 | 16 | 0 | 0 | 17 | 56 | 109 | 427 | 411 | 540 | 390 | 540 | 434 | 150 | 0 | 103 | 0 | 0 | 0 | 67 |
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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