Surf Forecasts:
Bikini surf forecast from 11 Sep 2026:
- Best quality surf: Wednesday 16 Sep, 12PM (local time) - 6ft (1.9m), 12s period, SSE swell with cross-offshore winds.
- Most powerful swell: Wednesday 16 Sep, 3PM (local time) - 6ft (1.9m), 13s period, SSE swell with 1,193 kJ wave energy.
- Next surfable swell (1★+): Sunday 13 Sep, 9PM (local time) - 2.5ft (0.8m), 10s 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 Sunday (Sep 13) at 9PM. The primary swell is predicted to be 0.8m and 10s period with a secondary swell of 0.4m and 7s. Another secondary swell of 0.9m and 7s 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 1.9m 13s and forecast to arrive on Wednesday (Sep 16) at 3PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 7s period and expected on Monday (Sep 14) at 3AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Sun 13th Sep) | 2.5ft (0.8m) 10s |
| Best Surf | 12PM (Wed 16th Sep) | 6ft (1.9m) 12s |
| Most Powerful | 3PM (Wed 16th Sep) | 6ft (1.9m) 13s |
Table - best surf conditions forecast for Bikini over the next 16 days.
The Lowdown
Howdy, Rusty here with the scoop on Bikini over the coming two weeks. This advanced-level, very consistent beach and point break has been dead quiet. You won’t see anything worth chasing until Monday 14th, so expect a gap of several flat days.
The first real action shows Monday 14th September. With a light NNE offshore wind, Bikini (United States) turns clean and tidy, handling a tiny 0.7m SSE swell at 10 seconds. The combined energy’s a weak 132 – just enough for a half-decent session but nothing to write home about. The afternoon stays clean with a light ENE cross-off, swell dialed back to 0.6m. It’s forgettable.
Circle Thursday 17th September – that’s the standout. Morning offshore breeze from the NNE at 20 km/h keeps it glassy and lined up, with a 1.0m SSE swell (11-second period, good long-period energy) and moderate 288 wave energy. The afternoon holds with a gentle NE offshore, 0.9m SSE swell, 10 seconds, and 234 energy. This is the pick of the outlook: clean offshores, very consistent break, and the SSE swell matches what this spot wants. Expect crowds likely.
Friday 18th September offers a magic early session: dead calm, glassy conditions, with 0.6m SSE swell at 10 seconds – barely 77 energy, but if you’re keen, dawn will be pure and quiet.
Midweek on Wednesday 24th September, a strong 1.9m S swell (12-second period) blasts in with massive 1027 combined energy – very strong wave power – but a cross-onshore SE wind at 20 km/h ruins the face. That setup looks more interesting for kite surfing than paddle surfing. Stay away unless you’re hunting a challenge.
Saturday 26th September closes the door nicely: a gentle NNW cross-off, clean lines, 1.2m SSE swell at 10 seconds, and 265 moderate energy. Good vibes, solid shape, a proper surfers’ session.
Water temperature’s normal for the season – no dramas there. And remember, Bikini’s for advanced crew. That Thursday peak at 1.0m is just right for a proper session without it getting out of hand.
Rusty.
Short Range ForecastMostly dry. Very mild (max 13°C on Fri morning, min 9°C on Sun afternoon). Winds increasing (light winds from the ENE on Thu night, fresh winds from the SE by Sat afternoon). | Days 5-7 Weather SummaryMostly dry. Very mild (max 14°C on Mon afternoon, min 5°C on Tue night). Winds increasing (light winds from the NNE on Mon morning, fresh winds from the SW by Tue morning). | ||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||
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 10 | S 10 | S 9 | S 9 | SSE 4 | SSE 7 | SSE 8 | SSE 7 | S 11 | S 10 | SSE 10 | SSE 10 | S 9 | WSW 4 | S 7 | S 8 | SSE 11 | SSE 13 | SSE 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 18 | 17 | 15 | 14 | 16 | 403 | 402 | 181 | 227 | 122 | 102 | 74 | 64 | 16 | 309 | 382 | 764 | 1193 | 633 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-off | off | cross-off | cross | cross | on | cross-on | cross | cross-off | off |
High Tide | 7:24AM0.29m | 8:08PM0.29m | 8:10AM0.32m | 8:58PM0.28m | 8:56AM0.34m | 9:45PM0.26m | 9:41AM0.34m | 10:31PM0.24m | 3:17AM0.19m | 11:16PM0.22m | 4:11AM0.19m | 00:02AM0.20m | |||||||
Low Tide | 3:15AM0.10m | 3:33PM0.03m | 4:02AM0.11m | 4:26PM0.01m | 00:27AM0.20m | 4:47AM0.12m | 5:16PM0.01m | 00:56AM0.19m | 5:29AM0.14m | 6:04PM0.01m | 6:10AM0.15m | 6:51PM0.02m | 6:50AM0.16m | 7:37PM0.03m | |||||
 |  | | |  |  |  | | | | | | | | |  | | | | |
 | — | 6:43 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | 6:39 | — | — | 6:37 | — | — |
 | 6:25 | — | 6:27 | — | — | 6:27 | — | — | 6:28 | — | — | 6:29 | — | — | 6:30 | — | — | 6:30 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 13 | 13 | 12 | 12 | 11 | 10 | 10 | 10 | 10 | 13 | 14 | 13 | 13 | 9 | 8 | 8 | 10 | 8 |
Feels °C | 8 | 9 | 10 | 9 | 8 | 5 | 5 | 5 | 5 | 7 | 10 | 11 | 9 | 7 | 1 | 0 | 4 | 6 | 2 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 9 | S 9 | E 5 | ENE 6 | E 7 | SSE 11 | S 11 | S 10 | SSE 10 | SSE 10 | S 9 | ENE 8 | E 7 | E 8 | SSE 11 | SSE 13 | SSE 12 |
| kJ | 18 | 17 | 15 | 14 | 14 | 14 | 31 | 70 | 227 | 122 | 102 | 74 | 64 | 13 | 10 | 5 | 764 | 1193 | 633 |
Swell 2 Height (m) Direction Period (s) | ENE 7 | E 10 | ENE 7 | ENE 8 | E 13 | — | E 12 | E 7 | E 7 | SE 7 | E 6 | E 6 | ESE 7 | S 9 | — | — | E 8 | ENE 8 | E 10 |
| kJ | 10 | 2 | 10 | 7 | 3 | — | 3 | 23 | 15 | 7 | 30 | 29 | 15 | 13 | — | — | 1 | 6 | 8 |
Swell 3 Height (m) Direction Period (s) | — | E 14 | E 14 | E 13 | — | — | — | E 8 | E 8 | — | ENE 9 | E 8 | ENE 4 | ESE 6 | — | — | — | — | — |
| kJ | — | 4 | 4 | 3 | — | — | — | 22 | 12 | — | 15 | 1 | 5 | 4 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 3 | E 7 | ESE 3 | ESE 4 | SSE 4 | SSE 7 | SSE 8 | SSE 7 | SE 6 | E 7 | — | — | — | WSW 4 | S 7 | S 8 | — | — | ENE 10 |
| kJ | 1 | 17 | 2 | 10 | 16 | 403 | 402 | 181 | 40 | 85 | — | — | — | 16 | 309 | 382 | — | — | 9 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 288 | 434 | 540 | 939 | 939 | 540 | 427 | 146 | 103 | 0 | 0 | 0 | 2 | 67 | 926 | 242 | 20 | 60 | 0 |
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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