Surf Forecasts:
Isla Negra surf forecast from 11 Oct 2026:
- Best quality surf: Friday 16 Oct, 12PM (local time) - 5.5ft (1.7m), 15s period, WSW swell with cross-offshore winds.
- Most powerful swell: Friday 16 Oct, 12PM (local time) - 5.5ft (1.7m), 15s period, WSW swell with 1,297 kJ wave energy.
- Next surfable swell (1★+): Sunday 11 Oct, 3AM (local time) - 1.5ft (0.4m), 13s period with NW swell.
Best Forecast Surf Conditions for Isla Negra this week:
The surf forecast for Isla Negra over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Oct 11) at 3AM. The primary swell is predicted to be 0.4m and 13s period with a secondary swell of 0.6m and 5s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Isla Negra in the next 16 days are 1.7m 15s and forecast to arrive on Friday (Oct 16) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 17s period and expected on Thursday (Oct 15) at 9PM.
| Wave Type | Time (-04) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Sun 11th Oct) | 1.5ft (0.4m) 13s |
| Best Surf | 12PM (Fri 16th Oct) | 5.5ft (1.7m) 15s |
| Most Powerful | 12PM (Fri 16th Oct) | 5.5ft (1.7m) 15s |
Table - best surf conditions forecast for Isla Negra over the next 16 days.
Short Range ForecastSome drizzle, heaviest during Tue afternoon. Very mild (max 16°C on Sun morning, min 13°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 16°C on Fri afternoon, min 11°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 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) | NW 13 | NW 12 | NW 12 | WSW 11 | W 9 | W 10 | W 8 | W 8 | W 7 | WSW 10 | W 6 | WSW 9 | NW 11 | WSW 20 | WSW 19 | WNW 18 | WNW 14 | W 26 | WNW 24 |
Wave Graph  | |||||||||||||||||||
 kJ | 60 | 53 | 37 | 167 | 110 | 117 | 86 | 57 | 35 | 216 | 17 | 52 | 5 | 218 | 549 | 31 | 26 | 13 | 108 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | cross-off | cross-off | cross-on | on | cross-on | cross-on | cross-on | cross | glassy | cross | cross-off | glassy | cross-off | cross-off | off | cross-off | off |
High Tide | 11:14PM1.36m | 11:30AM1.20m | 11:47PM1.39m | 12:07PM1.11m | 00:19AM1.39m | 12:43PM1.01m | 00:54AM1.36m | 1:20PM0.92m | 1:30AM1.29m | 2:01PM0.82m | 2:13AM1.21m | 2:52PM0.73m | |||||||
Low Tide | 5:29AM0.06m | 5:28PM0.09m | 6:09AM0.08m | 5:56PM0.15m | 6:49AM0.12m | 6:25PM0.22m | 7:32AM0.19m | 6:54PM0.30m | 8:19AM0.27m | 7:26PM0.37m | 9:16AM0.35m | 8:02PM0.45m | |||||||
 |  | |  |  | | | |  |  |  | | | | | | | | | |
 | — | 7:11 | — | — | 7:09 | — | — | 7:07 | — | — | 7:07 | — | — | 7:05 | — | — | 7:03 | — | — |
 | 7:54 | — | 7:55 | — | — | 7:57 | — | — | 7:57 | — | — | 7:58 | — | — | 7:59 | — | — | 8:00 | — |
mm | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 16 | 16 | 14 | 15 | 16 | 14 | 15 | 15 | 14 | 15 | 15 | 14 | 14 | 15 | 13 | 15 | 16 | 14 |
Feels °C | 13 | 14 | 13 | 13 | 14 | 14 | 13 | 13 | 12 | 13 | 14 | 12 | 12 | 11 | 12 | 11 | 14 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 15 | SW 16 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | WSW 10 | SW 10 | SW 16 | SW 11 | SW 14 | SW 14 | SW 16 | SW 16 | WSW 14 | SW 14 |
| kJ | 286 | 435 | 565 | 407 | 379 | 384 | 330 | 424 | 303 | 216 | 180 | 318 | 169 | 514 | 478 | 1714 | 1551 | 1142 | 799 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 5 | NW 12 | WSW 11 | W 9 | W 10 | W 8 | W 8 | W 7 | SW 12 | SW 18 | SW 11 | SW 15 | WSW 20 | WSW 19 | WNW 18 | WNW 14 | NW 14 | WNW 16 |
| kJ | 254 | 11 | 37 | 167 | 110 | 117 | 86 | 57 | 35 | 90 | 249 | 75 | 269 | 218 | 549 | 31 | 19 | 8 | 102 |
Swell 3 Height (m) Direction Period (s) | NW 13 | NW 12 | — | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | SW 20 | SW 19 | W 6 | WSW 9 | NW 11 | NW 11 | NW 10 | NW 13 | NW 26 | W 26 | WNW 24 |
| kJ | 60 | 53 | — | 37 | 36 | 22 | 22 | 19 | 107 | 183 | 17 | 52 | 5 | 5 | 4 | 7 | 26 | 13 | 108 |
Wind waves Height (m) Direction Period (s) | WSW 5 | — | WSW 4 | SW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 15 | — | 8 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 1253 | 0 | 1 | 1 | 1 | 1 | 115 | 1 | 1 | 425 | 6 | 0 | 425 | 6 | 0 | 425 | 0 |
Best forecast wave conditions in Santiago | |||||||||||||||||||
Best forecast wave conditions in Chile | |||||||||||||||||||
Header Global | |||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Isla Negra surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Isla Negra Surf forecast
The above surf forecast table for Isla Negra provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Isla Negra can be found by selecting the local surf guide option on the grey menu. Our Isla Negra 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 (Isla Negra) 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 Isla Negra 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.
Isla Negra is 19 km (12 miles) from the city of San Antonio. If you plan a holiday in Santiago, look for hotels and other accommodation in San Antonio. San Antonio has rooms for a wide range of budgets as well as car hire and transport links.
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