Surf Forecasts:
The Rock-Costa Azul surf forecast from 10 Aug 2026:
- Best quality surf: Friday 14 Aug, 8PM (local time) - 4.5ft (1.4m), 16s period, SW swell with cross-offshore winds.
- Most powerful swell: Friday 14 Aug, 2PM (local time) - 4.5ft (1.4m), 17s period, SW swell with 1,235 kJ wave energy.
- Next surfable swell (1★+): Monday 10 Aug, 8AM (local time) - 3ft (0.9m), 13s period with SSW swell.
Best Forecast Surf Conditions for The Rock-Costa Azul this week:
The surf forecast for The Rock-Costa Azul over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 10) at 8AM. The primary swell is predicted to be 0.9m and 13s period with a secondary swell of 0.7m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at The Rock-Costa Azul in the next 16 days are 1.4m 17s and forecast to arrive on Friday (Aug 14) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Wednesday (Aug 12) at 11AM.
| Wave Type | Time (MST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Mon 10th Aug) | 3ft (0.9m) 13s |
| Best Surf | 8PM (Fri 14th Aug) | 4.5ft (1.4m) 16s |
| Most Powerful | 2PM (Fri 14th Aug) | 4.5ft (1.4m) 17s |
Table - best surf conditions forecast for The Rock-Costa Azul over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s dive into what’s on offer for this stretch of the Costa Azul. We’re looking at a solid, drawn-out run of waves, but don’t go expecting anything huge or dramatic. It’s a subtle, quality-focused window for the experienced crew.
The Rock-Costa Azul is the main game in town, a consistent reef setup that knows how to handle a swell. The water temp is sitting pretty much spot on for this time of year, so no surprises there. The pattern starts off a bit slow and messy, but the second half of the first week and into the middle of the run is where the magic hides.
The real standout is Thursday, August 13th. The morning starts glassy with a light 3 ft swell from the SW, and it just gets better into the afternoon. By then, the wind is dead calm, glassy conditions, with the swell holding at 3 ft from the SW, but the energy is pumping at a solid 696 (moderate). The period is a lovely 15 seconds, which is a proper groundswell. For a reef, this is perfect: clean, lined-up, and all to yourself if you’re lucky. This is the best session of the run.
The other big moment to circle is Saturday, August 15th. The afternoon sees a clean, cross-off breeze with a 4.3 ft SSW swell. The energy is really humming at 851 (strong), and the period is a solid 16 seconds. This is punchier than Thursday, still very clean, and a great call for those who want a bit more push.
The following week is quieter. The swells drop, but the winds stay favorable. Tuesday, August 25th is a late highlight, with a very long period 22-second groundswell from the SW. The swell is only 2.6 ft, but with that kind of energy (965 - strong), it’s going to produce some beautifully shaped, walled-up waves at the reef. Perfect for a longboard or a log if you’ve got the patience for the long lulls.
Keep in mind, this spot is advanced and often has a crowd. The long period swells (like the 22-second one on the 25th) will make the waves stand up nicely on the reef, but the sets will be widely spaced. Paddling out will be easy, but you’ll be waiting for the good ones.
Overall, it’s a solid run with a few absolute gems. The first week has the best combo of size and clean conditions. Don’t sleep on the 13th or the 15th.
Short Range ForecastSome drizzle, heaviest during Wed afternoon. Warm (max 31°C on Mon morning, min 26°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Thu night. Warm (max 32°C on Thu morning, min 27°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||||
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) | SSW 13 | SSW 20 | SSW 13 | SSW 14 | SSW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SSW 15 | SW 16 | SW 15 | SSW 18 | SSW 18 | SW 17 | SW 16 | SW 16 | SSW 16 | SSW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 246 | 273 | 251 | 321 | 547 | 316 | 381 | 371 | 362 | 409 | 358 | 344 | 408 | 547 | 1179 | 1044 | 1018 | 822 | 576 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | off | cross-on | cross-off | off | cross-on | cross-off | off | glassy | glassy | off | on | cross | off | on | cross-off | off |
High Tide | 8:12AM1.29m | 6:48PM1.78m | 8:36AM1.36m | 7:35PM1.84m | 9:02AM1.42m | 8:17PM1.83m | 9:27AM1.48m | 8:57PM1.76m | 9:52AM1.51m | 9:34PM1.63m | 10:16AM1.53m | 10:09PM1.47m | |||||||
Low Tide | 1:24AM0.03m | 12:51PM0.86m | 2:01AM-0.04m | 1:35PM0.74m | 2:35AM-0.04m | 2:16PM0.64m | 3:06AM0.03m | 2:56PM0.56m | 3:33AM0.14m | 3:34PM0.52m | 3:57AM0.28m | 4:12PM0.52m | 4:16AM0.43m | ||||||
 |  | | | |  |  | |  | | | |  | | |  | | | | |
 | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — |
 | — | — | 6:54 | — | — | 6:53 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:51 | — |
mm | — | — | — | — | — | — | — | — | 1 | — | — | — | 1 | — | — | 1 | — | — | — |
Temp °C | 28 | 31 | 31 | 28 | 31 | 31 | 30 | 31 | 31 | 29 | 32 | 31 | 29 | 32 | 31 | 29 | 31 | 31 | 30 |
Feels °C | 31 | 34 | 33 | 31 | 34 | 33 | 34 | 35 | 35 | 31 | 36 | 34 | 32 | 34 | 34 | 33 | 34 | 34 | 33 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SSW 15 | SW 16 | SW 15 | SW 15 | SW 15 | SW 17 | SW 16 | SW 16 | SSW 16 | SSW 15 |
| kJ | 246 | 273 | 227 | 321 | 547 | 316 | 381 | 371 | 362 | 409 | 358 | 344 | 355 | 418 | 1179 | 1044 | 1018 | 822 | 576 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SW 13 | SSW 13 | S 12 | S 12 | S 12 | S 11 | WNW 5 | SSW 20 | SSW 18 | SSW 18 | S 10 | S 10 | WNW 6 | S 10 | S 9 |
| kJ | 50 | 62 | 70 | 50 | 136 | 114 | 67 | 136 | 98 | 87 | 18 | 253 | 408 | 547 | 56 | 49 | 10 | 29 | 26 |
Swell 3 Height (m) Direction Period (s) | SW 21 | SSW 20 | SSW 19 | SW 18 | S 8 | SSE 8 | SW 13 | WNW 4 | SE 8 | SE 8 | S 11 | S 12 | S 10 | WNW 5 | W 5 | NW 12 | S 10 | WNW 5 | SE 9 |
| kJ | 111 | 253 | 251 | 166 | 43 | 35 | 84 | 11 | 16 | 17 | 84 | 99 | 51 | 23 | 15 | 6 | 31 | 9 | 20 |
Wind waves Height (m) Direction Period (s) | WNW 5 | — | WNW 6 | WNW 5 | SSW 8 | WNW 4 | WNW 4 | NW 5 | W 4 | WNW 4 | WNW 5 | WNW 5 | WNW 5 | — | — | WNW 5 | — | — | WNW 4 |
| kJ | 3 | — | 3 | 3 | 23 | 8 | 11 | 32 | 10 | 16 | 45 | 13 | 14 | — | — | 16 | — | — | 10 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 10 | 8 | 0 | 8 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 10 | 8 | 0 | 13 | 0 | 0 |
Best forecast wave conditions in Baja Sur | |||||||||||||||||||
Best forecast wave conditions in Mexico | |||||||||||||||||||
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Information about the The Rock-Costa Azul Surf forecast
The above surf forecast table for The Rock-Costa Azul provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Rock-Costa Azul can be found by selecting the local surf guide option on the grey menu. Our The Rock-Costa Azul 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 (The Rock-Costa Azul) 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 The Rock-Costa Azul 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.
The Rock-Costa Azul is 13 km (8 miles) from Cabo San Lucas. If you plan a holiday in Baja Sur, look for hotels and other accommodation in Cabo San Lucas. Cabo San Lucas has rooms for a wide range of budgets as well as car hire and transport links.
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