Surf Forecasts:
Rancho Santini surf forecast from 18 Aug 2026:
- Best quality surf: Thursday 20 Aug, 2AM (local time) - 2.5ft (0.7m), 14s period, SW swell with glassy winds.
- Most powerful swell: Tuesday 18 Aug, 5AM (local time) - 3ft (0.9m), 16s period, SW swell with 367 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 2AM (local time) - 2.5ft (0.7m), 14s period with SW swell.
Best Forecast Surf Conditions for Rancho Santini this week:
The surf forecast for Rancho Santini over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 2AM. The primary swell is predicted to be 0.7m and 14s period with a secondary swell of 0.7m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Rancho Santini in the next 16 days are 0.9m 16s and forecast to arrive on Tuesday (Aug 18) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Thu 20th Aug) | 2.5ft (0.7m) 14s |
| Best Surf | 2AM (Thu 20th Aug) | 2.5ft (0.7m) 14s |
| Most Powerful | 5AM (Tue 18th Aug) | 3ft (0.9m) 16s |
Table - best surf conditions forecast for Rancho Santini over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s take a look at what’s on the table for this stretch.
The next 16 days are a real test of patience. For the first week, we’re looking at a long stretch of small, messy, and mostly unsurfable waves. The energy is there, but it’s all wrong. The wind is a constant problem, and the quality just isn’t there. It’s a tough run.
There’s a notable gap at the start. From Tuesday, 18 August all the way through to Wednesday, 26 August, the surf is poor to marginal. The combined swell energy is weak for most of that time, and even when it climbs to moderate levels (around 467 on the 25th), the wind is a messy cross-onshore chop. You’d be fighting the elements more than riding the waves. Not worth it.
The standout moment comes later, and it’s worth waiting for. Look ahead to Saturday, 29 August at Rancho Santini. The morning shows a 4ft SSW swell with a very long 18s period, under clean, offshore wind from the west. The combined energy is strong, hitting 912. This is a proper groundswell. The long period means the waves will have real shape and power, but it’s a point break setup, so it should handle that long-period energy well. The water temp is about average for the time of year, so no surprises there. The crowd can be around sometimes, but on a clean day like this, you’ll want to be in the water early. The afternoon stays clean with a 4ft swell and 907 energy, but the wind switches to a light cross-offshore, which is still good.
Then, Sunday, 30 August is another promising day. The morning brings a 4ft SSW swell, also with a very long 16s period, and combined energy of 911. The wind is a gentle cross-offshore, so the surface will be clean. It’s a bigger day, so not for beginners, but for the experienced crew, this is the real deal.
Overall, the first week is a write-off. The second week has a couple of gems. The 29th and 30th are the clear standouts, and they’re looking solid. The forecast is less certain this far out, but the numbers are lining up. Keep an eye on that window.
Rusty, signing off.
Short Range ForecastMostly dry. Warm (max 28°C on Wed morning, min 22°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummarySome drizzle, heaviest during Fri night. Warm (max 29°C on Sun morning, min 23°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||
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 14 | SSW 16 | SSW 16 | SSW 15 | SW 16 | SSW 16 | SW 14 | SSW 14 | SSW 14 | SW 14 | SSW 13 | SSW 13 | SSW 13 | SW 18 | SSW 14 | SSW 15 | SW 17 | SSW 13 | SSW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 280 | 179 | 181 | 275 | 353 | 310 | 214 | 264 | 264 | 189 | 154 | 114 | 114 | 111 | 186 | 249 | 175 | 154 | 236 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | on | on | glassy | cross-on | on | glassy | cross-on | on | cross-on | on | on | cross | on | on | cross-on |
High Tide | 1:19AM1.33m | 1:27PM1.81m | 3:04AM1.16m | 2:19PM1.76m | 3:35PM1.72m | 8:40AM1.32m | 4:59PM1.76m | 8:24AM1.39m | 6:02PM1.84m | 8:35AM1.45m | 6:49PM1.94m | ||||||||
Low Tide | 6:31AM0.92m | 9:02PM0.80m | 6:40AM1.08m | 10:51PM0.75m | 00:15AM0.65m | 9:48AM1.31m | 1:05AM0.53m | 11:51AM1.28m | 1:41AM0.42m | 12:45PM1.20m | 2:10AM0.33m | ||||||||
 |  |  | | | | | | | | | |  | | | | | | | |
 | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — |
 | — | — | 7:29 | — | — | 7:27 | — | — | 7:25 | — | — | 7:24 | — | — | 7:23 | — | — | 7:22 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 1 |
Temp °C | 23 | 27 | 27 | 24 | 28 | 27 | 23 | 27 | 27 | 24 | 26 | 27 | 24 | 27 | 27 | 25 | 29 | 27 | 26 |
Feels °C | 22 | 26 | 26 | 24 | 28 | 28 | 25 | 28 | 28 | 27 | 27 | 28 | 26 | 28 | 28 | 27 | 29 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | WNW 6 | WNW 6 | SSW 16 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | SSW 14 | SSW 14 | SW 14 | SSW 13 | SSW 13 | SSW 13 | WNW 11 | WNW 10 | SSW 15 | WNW 10 | SSW 13 | SSW 14 |
| kJ | 45 | 53 | 181 | 73 | 84 | 89 | 57 | 264 | 264 | 189 | 154 | 114 | 114 | 88 | 96 | 249 | 74 | 154 | 236 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SSW 13 | SSW 13 | SSW 15 | SW 16 | SSW 16 | SW 14 | W 7 | W 7 | W 7 | WNW 7 | WNW 7 | WNW 11 | SSW 12 | SSW 14 | WNW 10 | SSW 13 | SW 18 | SW 18 |
| kJ | 280 | 120 | 114 | 275 | 353 | 310 | 214 | 34 | 33 | 28 | 17 | 15 | 91 | 89 | 186 | 72 | 98 | 154 | 201 |
Swell 3 Height (m) Direction Period (s) | WNW 10 | SSW 16 | S 9 | SW 20 | SW 20 | W 14 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | SW 18 | SW 18 | SW 12 | SW 19 | SW 17 | WNW 10 | W 6 |
| kJ | 9 | 179 | 2 | 15 | 16 | 16 | 18 | 31 | 32 | 27 | 46 | 43 | 49 | 111 | 35 | 94 | 175 | 18 | 17 |
Wind waves Height (m) Direction Period (s) | WNW 6 | WNW 6 | WNW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 10 | WNW 6 | WNW 10 |
| kJ | 79 | 90 | 75 | — | — | — | — | — | — | — | — | — | — | — | — | — | 132 | 30 | 105 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 2 | 57 | 57 | 9 | 57 | 9 | 0 | 222 | 9 | 0 | 57 | 57 | 2 | 9 | 9 | 2 | 57 | 9 | 9 |
Best forecast wave conditions in Baja Norte | |||||||||||||||||||
Best forecast wave conditions in Mexico | |||||||||||||||||||
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Information about the Rancho Santini Surf forecast
The above surf forecast table for Rancho Santini provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Rancho Santini can be found by selecting the local surf guide option on the grey menu. Our Rancho Santini 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 (Rancho Santini) 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 Rancho Santini 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.
Rancho Santini is 16 km (10 miles) from the very large city of Rosarito. If you plan a holiday in Baja Norte, look for hotels and other accommodation in Rosarito. Rosarito has rooms for a wide range of budgets as well as cheap car hire and transport links.
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