Surf Forecasts:
The Rock-Costa Azul surf forecast from 16 Aug 2026:
- Best quality surf: Saturday 15 Aug, 11PM (local time) - 4.5ft (1.3m), 15s period, SSW swell with cross-offshore winds.
- Most powerful swell: Saturday 15 Aug, 11PM (local time) - 4.5ft (1.3m), 15s period, SSW swell with 750 kJ wave energy.
- Next surfable swell (1★+): Saturday 15 Aug, 11PM (local time) - 4.5ft (1.3m), 15s 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 Saturday (Aug 15) at 11PM. The primary swell is predicted to be 1.3m and 15s period with a secondary swell of 0.4m and 9s. 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 1.3m 15s and forecast to arrive on Saturday (Aug 15) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Sunday (Aug 16) at 5AM.
| Wave Type | Time (MST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Sat 15th Aug) | 4.5ft (1.3m) 15s |
| Best Surf | 11PM (Sat 15th Aug) | 4.5ft (1.3m) 15s |
| Most Powerful | 11PM (Sat 15th Aug) | 4.5ft (1.3m) 15s |
Table - best surf conditions forecast for The Rock-Costa Azul over the next 16 days.
The Lowdown
Alright folks, let’s talk waves. We’ve got a good run of swell heading to The Rock-Costa Azul, a serious reef break that demands respect. Water temps are at 89°F, which is much warmer than usual, so the boardies are fine.
For the immediate future, Saturday afternoon is looking unreal. We’ve got a clean 4ft SSW groundswell with a 16-second period. The wind is a light offshore breeze, and the water is glassy. The energy is moderate, sitting at 874. This is the session to get on.
Sunday morning gets a little crossed up, but the afternoon cleans back up nicely with 4ft of SSW swell and offshore wind. Monday afternoon is another cracker, with the same size and an offshore breeze. You’ll be getting good, consistent sets. Tuesday afternoon also offers up 4ft of clean swell.
From Wednesday on, things start to fade. We’re looking at smaller, 3ft waves with cleaner afternoons but weaker mornings. The energy drops off, too.
Then there’s the gap. From Thursday through the weekend, it gets pretty poor. The swell gets small, and the winds turn onshore. It’s not a time for waves.
Now, looking into the second week, we see some size build, but the conditions are not our friend. Around the 28th, the energy jumps to 1305 and the swell gets to 5ft, but with a near-gale-force onshore wind, it’s going to be a mess. The 29th brings 5ft of swell but with strong, cross-onshore winds, creating absolutely terrible conditions. It might be more suited to kitesurfing than surfing.
So, the takeaway is this: hit it hard on the Saturday, Monday, and Tuesday afternoons of this first week. That’s where the magic is. The long-range stuff is promising in size, but as it stands, it’s going to be blown out. I’d keep an eye on it, but don’t hold your breath.
Catch you in the water.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Mon night. Warm (max 33°C on Sun morning, min 29°C on Sat 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. | |||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | ||||||||||||||
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) | SSW 16 | SW 15 | SSW 14 | SSW 14 | SW 14 | SW 14 | SSW 16 | SSW 13 | SSW 14 | SSW 15 | SSW 16 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 822 | 631 | 561 | 561 | 476 | 482 | 674 | 229 | 437 | 544 | 604 | 325 | 321 | 316 | 236 | 225 | 151 | 111 | 151 | 220 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-off | off | cross-on | cross-off | cross-off | cross-on | cross-off | off | cross | cross-off | off | cross-on | cross-off | off | cross-on | cross-off | off |
High Tide | 10:09PM1.47m | 10:39AM1.53m | 10:43PM1.28m | 11:00AM1.50m | 11:16PM1.10m | 11:22AM1.46m | 11:56PM0.92m | 11:45AM1.39m | 12:18PM1.32m | 2:45PM1.26m | ||||||||||
Low Tide | 4:12PM0.52m | 4:16AM0.43m | 4:51PM0.55m | 4:29AM0.57m | 5:33PM0.61m | 4:33AM0.69m | 6:26PM0.68m | 4:17AM0.78m | 8:35PM0.73m | 11:51PM0.61m | 00:27AM0.49m | |||||||||
 |  | | | | | |  |  |  |  | | | | | | | | | | |
 | — | — | 5:54 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — |
 | 6:51 | — | — | 6:50 | — | — | 6:50 | — | — | 6:49 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — |
mm | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | 2 | — | 1 | 1 |
Temp °C | 32 | 30 | 33 | 32 | 30 | 33 | 32 | 30 | 31 | 31 | 29 | 31 | 31 | 28 | 32 | 32 | 28 | 32 | 32 | 29 |
Feels °C | 36 | 34 | 37 | 36 | 35 | 37 | 36 | 34 | 35 | 34 | 34 | 35 | 33 | 31 | 37 | 36 | 31 | 36 | 36 | 33 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SW 15 | SSW 14 | SSW 14 | SW 14 | SW 14 | SSW 16 | SSW 13 | SSW 14 | SSW 15 | SSW 16 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSE 10 | SSW 13 | SSW 14 |
| kJ | 822 | 631 | 561 | 561 | 476 | 482 | 674 | 229 | 437 | 544 | 604 | 325 | 321 | 316 | 236 | 225 | 151 | 71 | 151 | 220 |
Swell 2 Height (m) Direction Period (s) | S 10 | SSE 9 | W 6 | SSE 8 | SSE 8 | WNW 6 | W 7 | SSW 17 | WNW 7 | SSE 8 | SSE 9 | SSE 9 | SSE 9 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSW 13 | SSE 10 | S 9 |
| kJ | 30 | 28 | 17 | 40 | 26 | 21 | 23 | 190 | 15 | 26 | 45 | 44 | 61 | 74 | 74 | 74 | 72 | 111 | 71 | 63 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | SSE 9 | S 13 | SSE 13 | SE 8 | SE 8 | WNW 7 | SE 8 | S 10 | SSE 11 | WNW 7 | W 15 | SSW 20 | WNW 9 | SW 19 | SW 18 | W 4 | SW 18 | SE 11 |
| kJ | 22 | 20 | 42 | 4 | 17 | 17 | 17 | 29 | 17 | 8 | 12 | 15 | 4 | 38 | 8 | 92 | 83 | 9 | 80 | 58 |
Wind waves Height (m) Direction Period (s) | W 5 | WNW 5 | — | W 6 | WNW 4 | WNW 6 | — | — | — | WNW 7 | WNW 7 | — | W 7 | WNW 3 | WNW 3 | W 4 | WNW 4 | NW 4 | W 4 | WNW 5 |
| kJ | 12 | 24 | — | 17 | 15 | 49 | — | — | — | 15 | 16 | — | 14 | 5 | 2 | 6 | 23 | 20 | 7 | 22 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 4 | 0 | 0 | 2 | 0 | 0 | 76 | 0 | 0 | 13 | 455 | 0 | 4 | 455 | 0 | 2 | 0 | 0 |
Best forecast wave conditions in Baja Sur | ||||||||||||||||||||
Best forecast wave conditions in Mexico | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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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