Surf Forecasts:
Bikini surf forecast from 6 Sep 2026:
- Best quality surf: Monday 7 Sep, 12AM (local time) - 5ft (1.5m), 9s period, SSE swell with glassy winds.
- Most powerful swell: Saturday 12 Sep, 9PM (local time) - 10ft (3.0m), 9s period, ESE swell with 1,684 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 12AM (local time) - 5ft (1.5m), 9s 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 (Sep 07) at 12AM. The primary swell is predicted to be 1.5m and 9s period with a secondary swell of 0.1m and 9s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Bikini in the next 16 days are 3.0m 9s and forecast to arrive on Saturday (Sep 12) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Friday (Sep 11) at 3PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Mon 7th Sep) | 5ft (1.5m) 9s |
| Best Surf | 12AM (Mon 7th Sep) | 5ft (1.5m) 9s |
| Most Powerful | 9PM (Sat 12th Sep) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for Bikini over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s coming down the line for Bikini.
Look, I’m not gonna sugarcoat it – the next few days are a bit of a write-off. We’ve got a lumpy, onshore mess from the south blowing in at 16 mph, with 7 ft of poor-quality swell. The combined energy is 717, which is moderate, but the wind is just ruining it. That’s Sunday the 6th for you. Monday the 7th sees a drop in size, down to 4 ft from the SSE, and the wind swings NNW light, going cross-offshore. The energy drops to 228, but it’s clean. It’s not a standout, but it’s a start.
The real talking point is the setup on Monday the 14th. That morning, we’ve got a clean 5 ft easterly swell with an 11-second period, pushed by a light ENE breeze at 6 mph. The combined energy is a solid 735 (moderate). This is the best-looking window in the whole 16 days, with the wind keeping it tidy. The swell direction is from the east, which is steering right into the optimum for this spot. Given Bikini is a beach and point break, that longer period will wrap in nicely. It’s an advanced wave, so only for those who know what they’re doing, and with crowds listed as “often”, expect some company.
Before that, we’ve got a big, messy event on the weekend of the 12th and 13th. Saturday the 12th is a total loss – a near gale from the SE at 31 mph, with 10 ft of junk. That’s 1238 energy, but it’s blown out. Sunday the 13th is still big at 10 ft, but the wind drops to a moderate breeze. Even still, it’s cross-offshore and messy. For the experienced crew, there might be a few, but it’s not for the faint-hearted.
After Monday the 14th, it fades out again. The 15th is a write-off with cross-onshore winds, and the 16th and 17th are back to onshore junk. There’s a glimmer on the 21st (Monday) with a 3 ft southerly swell and a 13-second period, with clean conditions, but that’s a long way out and the energy is only 340 (weak). It’s a promise, not a certainty.
So, to wrap it up: Bikini is a washout for the first week. The one standout is Monday the 14th morning. That’s your best bet. The rest of the run is either too small, too windy, or too far out to trust.
Rusty, signing off.
Short Range ForecastSome drizzle, heaviest during Sat night. Very mild (max 14°C on Tue afternoon, min 6°C on Sun night). Winds decreasing (fresh winds from the S on Sat night, calm by Sun night). | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Fri afternoon. Very mild (max 17°C on Thu afternoon, min 11°C on Tue night). Winds increasing (calm on Thu morning, strong winds from the ESE by Fri afternoon). | ||||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | ||||||||||||||
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) | S 8 | S 9 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SE 9 | SSE 9 | S 9 | SSE 12 | S 12 | SSE 16 | S 13 | S 12 | S 11 | S 10 | S 10 | S 9 | E 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 486 | 715 | 631 | 359 | 227 | 190 | 170 | 121 | 78 | 30 | 43 | 48 | 92 | 44 | 37 | 17 | 29 | 25 | 402 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | glassy | cross-off | cross-off | off | off | cross-off | off | cross-off | glassy | off | glassy | cross-off | cross-off | cross-off | cross | cross |
High Tide | 2:40AM0.18m | 8:26AM0.17m | 2:46PM0.36m | 3:45AM0.19m | 3:58PM0.34m | 4:47AM0.20m | 5:10PM0.33m | 5:43AM0.23m | 6:16PM0.32m | 6:35AM0.26m | 7:15PM0.31m | 7:24AM0.29m | 8:08PM0.29m | ||||||
Low Tide | 10:24PM0.02m | 5:26AM0.14m | 11:26PM0.04m | 6:48AM0.14m | 00:29AM0.05m | 8:32AM0.15m | 12:15PM0.13m | 1:29AM0.07m | 1:29PM0.09m | 2:25AM0.08m | 2:35PM0.06m | 3:15AM0.10m | 3:33PM0.03m | ||||||
 |  |  |  |  | |  | | |  | | | | | | | |  |  | |
 | — | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — | 6:43 | — | — |
 | 6:22 | — | 6:22 | — | — | 6:23 | — | — | 6:24 | — | — | 6:24 | — | — | 6:25 | — | — | 6:27 | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 19 |
Temp °C | 9 | 8 | 8 | 8 | 9 | 10 | 11 | 13 | 14 | 12 | 14 | 15 | 13 | 16 | 17 | 13 | 14 | 13 | 11 |
Feels °C | 1 | 1 | 2 | 4 | 6 | 7 | 6 | 10 | 11 | 9 | 13 | 14 | 11 | 14 | 14 | 9 | 7 | 7 | 0 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | SSE 9 | SSE 9 | SSE 9 | SE 9 | SSE 9 | S 9 | S 8 | S 12 | SSE 16 | S 13 | S 12 | S 11 | S 10 | S 10 | S 9 | S 11 |
| kJ | 2 | 2 | 2 | 359 | 227 | 190 | 170 | 121 | 78 | 23 | 43 | 48 | 92 | 44 | 37 | 17 | 29 | 25 | 82 |
Swell 2 Height (m) Direction Period (s) | — | — | E 9 | E 9 | E 8 | E 8 | E 8 | ESE 11 | ESE 10 | SE 10 | SE 9 | S 12 | ENE 8 | ENE 7 | ENE 7 | — | — | — | — |
| kJ | — | — | 2 | 2 | 1 | 1 | 1 | 13 | 60 | 15 | 12 | 25 | 11 | 9 | 9 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | E 8 | E 8 | SSE 12 | E 4 | E 4 | SE 8 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 1 | 1 | 30 | 1 | 1 | 3 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 8 | S 9 | SSE 10 | — | — | — | NE 3 | NE 3 | — | E 4 | — | — | — | — | — | E 4 | E 5 | ESE 6 | E 7 |
| kJ | 486 | 715 | 631 | — | — | — | 2 | 6 | — | 9 | — | — | — | — | — | 13 | 68 | 161 | 402 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 896 | 253 | 540 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 103 | 66 | 770 | 926 | 643 |
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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