Surf Forecasts:
La Boca Con Con surf forecast from 18 Aug 2026:
- Best quality surf: Wednesday 19 Aug, 2AM (local time) - 5ft (1.6m), 13s period, SW swell with glassy winds.
- Most powerful swell: Wednesday 19 Aug, 8AM (local time) - 6ft (1.8m), 16s period, SW swell with 1,551 kJ wave energy.
- Next surfable swell (1★+): Tuesday 18 Aug, 11AM (local time) - 3ft (0.9m), 16s period with SW swell.
Best Forecast Surf Conditions for La Boca Con Con this week:
The surf forecast for La Boca Con Con over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 18) at 11AM. The primary swell is predicted to be 0.9m and 16s period with a secondary swell of 1.1m and 12s. Another secondary swell of 1.1m and 9s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at La Boca Con Con in the next 16 days are 1.8m 16s and forecast to arrive on Wednesday (Aug 19) at 8AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Thursday (Aug 20) at 2PM.
| Wave Type | Time (-04) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Tue 18th Aug) | 3ft (0.9m) 16s |
| Best Surf | 2AM (Wed 19th Aug) | 5ft (1.6m) 13s |
| Most Powerful | 8AM (Wed 19th Aug) | 6ft (1.8m) 16s |
Table - best surf conditions forecast for La Boca Con Con over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what's on the table for La Boca Con Con over the next sixteen days.
The window kicks off this Tuesday morning, August 18th, with a solid start. We’ve got a clean 3ft SW groundswell, with a period of 16 seconds. That’s proper long-period energy, and with a light cross-off breeze, the face will be smooth. The water temp is sitting at 57°, which is about where it should be for this time of year. This is a beginner-friendly break, so those looking for a mellow introduction will be happy.
The surf picks up through Wednesday and Thursday, with morning sessions looking better thanks to lighter winds. By Thursday morning the swell is up to 6ft from the WSW with a 13-second interval and clean cross-off wind – that’s where I’d be heading for a good, long session.
Friday morning sees the swell drop a touch to 4ft, but the wind is still light and cross-off. Friday afternoon, the period drops to a short 7 seconds, so it’ll be a bit mushy. Saturday the 22nd morning goes glassy with a 5ft SW swell, but keep an eye on the tide – that short period won’t hold much shape. The weekend is not the best, with some onshore winds and fading swell; Sunday the 23rd afternoon only has 1ft leftover.
The middle of the week from Monday the 24th through Thursday the 27th is average at best – small, mostly onshore or cross-on, and inconsistent. A bit of a lull.
Now, here’s the real standout. Look at Friday the 28th of August. The morning shows a building 8ft WSW swell with a 16-second period and cross-on wind – it’s a little raw early on. But Friday afternoon is the one to lock in. The swell pushes to 8ft from the WSW, period at 15 seconds, and the wind swings to a clean cross-off. The energy is massive. This is for experienced surfers only – the size and power will be too much for most. Saturday morning the 29th holds similar conditions: 8ft, clean cross-off, offering more excellent, powerful waves for the skilled crew.
There’s another promising window right as we flip into September. On Tuesday the 1st, the afternoon goes glassy with a 7ft WSW swell and a solid 14-second period. Then Wednesday the 2nd delivers again with a 8ft SW swell, 15-second period, and clean cross-off winds – another expert-friendly day with heaps of power.
Expect a few flat-ish days between the 23rd and 26th, but the two main highlights are the Friday/Saturday (28th-29th August) and the Tuesday/Wednesday (1st-2nd September). The closer stuff is reliable; the September dates look promising but we’ll see how it firms up.
Rusty.
Short Range ForecastMostly dry. Very mild (max 19°C on Thu afternoon, min 12°C on Tue morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 23°C on Fri afternoon, min 12°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||
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) | SW 16 | SW 11 | SW 13 | SW 15 | WSW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 11 | SW 7 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 13 | WSW 12 | WSW 11 | WSW 11 |
Wave Graph | |||||||||||||||||||||
381 | 595 | 919 | 1415 | 1427 | 1253 | 1162 | 699 | 469 | 353 | 318 | 311 | 251 | 231 | 184 | 134 | 82 | 361 | 317 | 275 | 161 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | on | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-on | glassy | glassy | glassy | glassy | cross-on | on | glassy |
High Tide | 1:59PM0.99m | 2:40AM1.13m | 2:47PM0.84m | 3:37AM1.08m | 3:57PM0.73m | 4:52AM1.06m | 5:47PM0.68m | 6:14AM1.08m | 7:23PM0.71m | 7:20AM1.14m | 8:16PM0.76m | 8:09AM1.21m | 8:52PM0.82m | ||||||||
Low Tide | 8:07AM0.33m | 8:05PM0.29m | 9:12AM0.42m | 8:45PM0.38m | 10:40AM0.47m | 9:40PM0.46m | 12:21PM0.46m | 11:04PM0.50m | 1:37PM0.40m | 00:26AM0.48m | 2:26PM0.32m | 1:26AM0.42m | 3:02PM0.25m | 2:12AM0.34m | |||||||
7:20 | — | — | 7:18 | — | — | 7:16 | — | — | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:13 | — | — | |
— | 6:19 | — | — | 6:20 | — | — | 6:21 | — | — | 6:21 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 18 | 13 | 14 | 14 | 13 | 17 | 19 | 15 | 21 | 23 | 20 | 22 | 17 | 14 | 16 | 15 | 14 | 16 | 15 | 16 |
Feels °C | 15 | 15 | 11 | 13 | 13 | 12 | 16 | 16 | 13 | 19 | 21 | 18 | 21 | 14 | 14 | 16 | 14 | 14 | 15 | 14 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 15 | SW 13 | SW 15 | WSW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 10 | WSW 11 | WSW 11 | WSW 10 | SW 7 | SW 7 | WSW 13 | WSW 12 | WSW 11 | WSW 11 |
319 | 566 | 919 | 1415 | 1427 | 1253 | 1162 | 699 | 469 | 353 | 265 | 187 | 130 | 117 | 75 | 134 | 67 | 361 | 317 | 275 | 161 | |
Swell 2 Height (m) Direction Period (s) | SW 16 | — | WSW 15 | SW 8 | SW 8 | SW 7 | — | W 21 | SW 20 | SW 19 | SW 18 | SW 18 | W 10 | SW 13 | SSW 12 | WSW 9 | W 9 | SW 6 | SSW 13 | SSW 12 | SW 12 |
381 | — | 780 | 159 | 161 | 36 | — | 9 | 15 | 15 | 13 | 13 | 17 | 6 | 53 | 28 | 40 | 30 | 106 | 96 | 144 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 20 | — | SW 15 | — | SW 16 | SW 16 | W 14 | SSW 11 | WSW 14 | SSW 10 | SW 6 | SW 5 | WSW 16 |
— | — | — | — | — | — | — | — | 15 | — | 8 | — | 10 | 10 | 4 | 47 | 82 | 42 | 16 | 10 | 25 | |
Wind waves Height (m) Direction Period (s) | SW 9 | SW 11 | — | — | — | — | SW 6 | SW 6 | SW 7 | SW 8 | SW 7 | SW 8 | SW 8 | SW 7 | SW 7 | — | — | — | — | — | — |
168 | 595 | — | — | — | — | 45 | 167 | 209 | 257 | 318 | 311 | 251 | 231 | 184 | — | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 412 | 0 | 5 | 2 | 0 | 0 | 371 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 5 | 116 | 0 |
Best forecast wave conditions in Santiago | |||||||||||||||||||||
Best forecast wave conditions in Chile | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)
Information about the La Boca Con Con Surf forecast
The above surf forecast table for La Boca Con Con provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at La Boca Con Con can be found by selecting the local surf guide option on the grey menu. Our La Boca Con Con 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 (La Boca Con Con) 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 La Boca Con Con 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.
Are you planning a holiday in Santiago? If you are looking for accommodation near La Boca Con Con, camping, hotels and holiday cottages in Santiago, consider staying in Vina del Mar which is 13 km (8 miles) away. Other places in and around Santiago where you can find information about places to rent, and car hire include Quintero which is 16 km (10 miles) away, Quilpue, Villa Alemana and Valparaiso.











