
Surf Forecasts:
The Rock-Costa Azul surf forecast from 11 Aug 2026:
- Best quality surf: Friday 14 Aug, 5PM (local time) - 4.5ft (1.4m), 17s 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★+): Tuesday 11 Aug, 8AM (local time) - 3ft (0.9m), 18s 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 Tuesday (Aug 11) at 8AM. The primary swell is predicted to be 0.9m and 18s period with a secondary swell of 0.9m and 13s. The wind is predicted to be cross-offshore 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 1.0m 5s period and expected on Friday (Aug 14) at 11AM.
| Wave Type | Time (MST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Tue 11th Aug) | 3ft (0.9m) 18s |
| Best Surf | 5PM (Fri 14th Aug) | 4.5ft (1.4m) 17s |
| 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
Hey everyone, Rusty here. Let's have a look at what's coming up for The Rock-Costa Azul over the next couple of weeks. We've got a solid run of surf on the way, but you're going to want to pick your moments for the best conditions.
The overall picture is a consistent, long-period SW groundswell on the menu for most of the first week. This is a reef setup, and with those long intervals (16-18 seconds), it's going to produce some properly shaped, powerful lines. The energy is moderate to strong, with combined swell energy values ranging from the mid-400s up to over 1200. Because of the long period, the sets will have a good gap between them, making the paddle out a bit easier, but the waves themselves will be packing a punch and can straighten out a bit at beach breaks – this spot is a reef, so it should handle that energy beautifully.
Tuesday (11th August) starts off a little messy. The morning has a light cross-onshore breeze with small ripples on a 3ft SSW swell (18-second period), so not the cleanest start. The afternoon cleans up with a SW wind becoming cross-off, and the swell drops a touch to 2ft. It's marginal, but the afternoon session is usable.
Wednesday (12th August) sees the morning with a light cross-shore breeze on a 3ft SSW swell (16 seconds). Still a bit of texture. The afternoon is much better – a clean offshore wind from the NW is blowing, and you'll find 3ft SW swell with a moderate combined energy of 475. That's a decent surf.
Now, Thursday (13th August) is where it starts getting good. The morning is looking glassy as all get-out – dead calm with a 3ft SW groundswell (16 seconds). That is a beautiful window for some clean, fun waves on the reef. The afternoon only gets better, with a clean cross-off breeze and the same 3ft swell, but it’s pushing a stronger combined energy of 698. That’s a standout for the early window.
Friday (14th August) is a bit of a two-sided day. The morning has onshore wind, so you can probably sleep in. But the afternoon? That’s the real standout of the whole forecast. We’ve got a clean cross-off breeze and the swell jumps up to 5ft from the SW at 17 seconds. The combined swell energy is reading a very healthy 1235. This is excellent, powerful wave energy for experienced surfers. It's not for beginners at that size, but if you're comfortable in solid surf, this is your session.
Saturday (15th August) has a bit of onshore wind in the morning again on that 5ft SW swell, but the afternoon cleans up nicely with a cross-off breeze and the swell easing to 4ft. Another very clean afternoon session. Sunday (16th) and Monday (17th) follow a similar pattern – a bit of texture in the mornings with cross-onshore wind, but the afternoons clean up with the swell holding around 4-4ft. The crowds here are noted as "often", so expect company.
From Tuesday (18th August) onwards, things taper off. The swell drops consistently into the 3ft - 3ft range, and most of the windows are marked as marginal quality or just clean but small. The wind stays light, with many afternoons offering a clean cross-off breeze, so there'll be small but rideable waves for those with a longboard or a fish.
Then we hit a rough patch starting on the 22nd of August. The onshore wind picks up, and by the 23rd, we've got poor conditions with onshore winds and a short-period S/SSE windswell. On the 24th and 25th of August, it gets blown out with strong winds and rain. There will be a significant gap of a few days with basically no surfable conditions.
So to sum it up: Thursday afternoon (13th August) and the Friday afternoon (14th August) are your best bets. Friday is the real standout for the experienced crew with that 5ft SW power. After that, the mornings are often a write-off, but the afternoons stay clean through the first week. The second week has a few clean but small afternoons before it shuts down completely.
Stay safe out there.
Rusty
Short Range ForecastLight rain (total 9mm), mostly falling on Wed afternoon. Warm (max 31°C on Tue afternoon, min 27°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 Sun morning, min 27°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 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) | SSW 14 | SSW 18 | SW 18 | SW 16 | SSW 16 | SW 16 | SW 15 | SW 16 | SW 15 | SSW 18 | SSW 18 | SW 17 | SW 16 | SW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SW 14 |
Wave Graph | |||||||||||||||||||
321 | 547 | 316 | 381 | 447 | 362 | 459 | 358 | 344 | 408 | 547 | 1179 | 1044 | 1018 | 822 | 576 | 568 | 561 | 476 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-off | off | cross | off | off | glassy | cross-off | off | on | cross-off | off | on | cross-off | off | cross-on | cross-off | off |
High Tide | 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 | 10:39AM1.53m | 10:43PM1.28m | |||||||
Low Tide | 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 | 4:51PM0.55m | 4:29AM0.57m | ||||||
— | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | |
— | — | 6:53 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:51 | — | — | 6:50 | — | |
mm | — | — | — | 2 | — | 7 | — | — | — | 2 | — | — | — | — | — | — | — | — | 2 |
Temp °C | 28 | 30 | 31 | 28 | 31 | 31 | 28 | 31 | 31 | 28 | 31 | 30 | 29 | 31 | 30 | 29 | 32 | 31 | 29 |
Feels °C | 31 | 33 | 34 | 30 | 35 | 35 | 30 | 34 | 34 | 30 | 34 | 33 | 33 | 34 | 33 | 32 | 36 | 35 | 33 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 18 | SW 18 | SW 16 | SSW 16 | SW 16 | SW 15 | SW 16 | SW 15 | SW 15 | SW 15 | SW 17 | SW 16 | SW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SW 14 |
321 | 547 | 316 | 381 | 447 | 362 | 459 | 358 | 344 | 309 | 418 | 1179 | 1044 | 1018 | 822 | 576 | 568 | 561 | 476 | |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SSW 13 | SSW 13 | SW 13 | S 12 | S 12 | S 11 | WNW 4 | SSW 20 | SSW 18 | SSW 18 | W 5 | S 10 | WNW 6 | S 10 | S 9 | W 4 | SSE 8 | SSE 8 |
50 | 113 | 114 | 84 | 72 | 97 | 85 | 12 | 253 | 408 | 547 | 20 | 49 | 18 | 31 | 27 | 9 | 40 | 37 | |
Swell 3 Height (m) Direction Period (s) | SW 18 | SSE 8 | S 8 | S 12 | WNW 4 | SE 8 | SE 8 | S 11 | S 12 | S 10 | WNW 5 | S 11 | NW 12 | S 10 | SE 9 | SE 9 | SE 9 | WNW 5 | W 10 |
166 | 34 | 44 | 67 | 6 | 16 | 16 | 61 | 101 | 52 | 28 | 36 | 6 | 30 | 21 | 20 | 19 | 9 | 8 | |
Wind waves Height (m) Direction Period (s) | WNW 5 | — | — | WNW 3 | NW 4 | WNW 4 | WNW 4 | WNW 5 | W 5 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | WNW 6 | W 6 | WNW 4 | WNW 5 | — | WNW 4 |
3 | — | — | 6 | 13 | 5 | 20 | 28 | 11 | 18 | 61 | 37 | 17 | 41 | 16 | 10 | 19 | — | 13 | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 8 | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 10 | 0 | 0 | 2 | 0 | 0 |
Best forecast wave conditions in Baja Sur | |||||||||||||||||||
Best forecast wave conditions in Mexico | |||||||||||||||||||
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)
Latest Updates
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.











