Surf Forecasts:
The Rock-Costa Azul surf forecast from 27 Aug 2026:
- Best quality surf: Friday 28 Aug, 8PM (local time) - 4.5ft (1.4m), 17s period, SSW swell with offshore winds.
- Most powerful swell: Sunday 30 Aug, 2AM (local time) - 7ft (2.1m), 14s period, SSW swell with 1,826 kJ wave energy.
- Next surfable swell (1★+): Thursday 27 Aug, 5PM (local time) - 2.5ft (0.7m), 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 Thursday (Aug 27) at 5PM. The primary swell is predicted to be 0.7m and 18s period with a secondary swell of 0.8m and 14s. Another secondary swell of 0.7m and 8s is also forecast. 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 2.1m 14s and forecast to arrive on Sunday (Aug 30) at 2AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Friday (Aug 28) at 5PM.
| Wave Type | Time (MST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Thu 27th Aug) | 2.5ft (0.7m) 18s |
| Best Surf | 8PM (Fri 28th Aug) | 4.5ft (1.4m) 17s |
| Most Powerful | 2AM (Sun 30th Aug) | 7ft (2.1m) 14s |
Table - best surf conditions forecast for The Rock-Costa Azul over the next 16 days.
The Lowdown
Alright, let’s break this down. The first proper surf is on Thursday the 27th, so don’t worry, it’s not a long wait.
The Rock (Costa Azul) is a reef, so it’s selective. Water temp is 31° right now – that’s about 3° warmer than average, which is crazy unusual. You’ll be sweating in your spring suit.
For the best session, Sunday the 30th of August morning takes the cake. You’ve got a 1.6m SSW groundswell running on a 12-second period, combined energy at 1263 – strong, solid power. The wind is glassy from the east at just 5 km/h. Dead flat, pristine conditions. The reef handles it well, but at this size it’s for experienced surfers only. Crowds are likely because it’s a consistent spot, so arrive early.
Friday the 28th morning is a good warm-up: 1.3m, 17-second SSW groundswell, light cross breeze, energy at 1137. Clean enough, but with a bit of texture.
Then things go quiet. From Tuesday the 1st of September through Wednesday the 2nd, the swell drops under 1m and the wind turns onshore or cross-shore with chop. Combined energy falls between 360 and 691 – weak. Not worth the paddle on a reef.
The next real gem is Friday the 4th of September. Morning session is glassy again: 1.4m of 16-second SSW groundswell with a light offshore from the northeast at 5 km/h. Energy at 1226. That’s a top-tier combo. The afternoon holds with a clean cross-off breeze on the same swell. Both sessions are solid. Expect plenty of company.
Saturday the 5th afternoon has offshore wind from the west at 20 km/h on 1.2m of 15-second SSW groundswell. Smaller, but the wind is good and the reef will line it up.
From the 6th into the second week, the swell sits around 1m to 1.1m with cross and onshore winds. Not much to chase until Tuesday the 8th afternoon: 0.9m of SSW swell with a light southwesterly cross-off breeze – clean but small. Wednesday the 9th afternoon is another one to note: offshore northwest wind at 15 km/h on 1.1m of 16-second SW groundswell. Energy at 774, clean and rippable.
Thursday the 10th afternoon brings glassy conditions again, with 1.2m of 16-second SW swell, energy at 809. Light air, clean as a whistle.
So, your two top sessions are Sunday the 30th of August morning and Friday the 4th of September morning (and afternoon). Both have glassy or clean conditions on a decent groundswell. Everything else is fair to average, but those two are the real standouts.
Rusty.
Short Range ForecastLight rain (total 6mm), mostly falling on Sat night. Warm (max 33°C on Thu morning, min 28°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 13mm), heaviest on Mon afternoon. Warm (max 31°C on Sun morning, min 27°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||
AM | 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) | SW 14 | SSW 18 | SSW 20 | SSW 17 | SW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 12 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 18 | SW 16 | SW 16 | SW 17 | WSW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 305 | 273 | 268 | 932 | 1235 | 1094 | 1040 | 1751 | 1826 | 701 | 538 | 390 | 277 | 277 | 269 | 212 | 249 | 274 | 381 | 400 | 293 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | off | cross | cross-off | off | cross-on | cross-off | off | glassy | cross-off | off | cross-on | cross-off | cross-off | cross-on | cross-on | off | cross-on | cross | cross-off |
High Tide | 8:38AM1.42m | 8:05PM1.71m | 8:55AM1.49m | 8:37PM1.68m | 9:14AM1.56m | 9:09PM1.61m | 9:34AM1.61m | 9:42PM1.50m | 9:56AM1.64m | 10:18PM1.34m | 10:21AM1.64m | 10:59PM1.15m | 10:50AM1.60m | 11:58PM0.96m | |||||||
Low Tide | 2:04PM0.59m | 2:39AM0.17m | 2:34PM0.50m | 3:00AM0.22m | 3:07PM0.43m | 3:21AM0.31m | 3:41PM0.39m | 3:41AM0.42m | 4:19PM0.39m | 3:59AM0.54m | 5:04PM0.43m | 4:14AM0.66m | 6:03PM0.50m | 4:15AM0.78m | |||||||
 | |  | | |  |  | | |  | | |  | | | | |  | | | | |
 | 5:58 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — |
 | — | 6:40 | — | — | 6:39 | — | — | 6:38 | — | — | 6:37 | — | — | 6:37 | — | — | 6:36 | — | — | 6:35 | — |
mm | — | — | — | — | — | 2 | — | — | 4 | 2 | 1 | — | 1 | 4 | 4 | 1 | — | — | — | — | — |
Temp °C | 33 | 33 | 29 | 32 | 32 | 29 | 32 | 31 | 29 | 31 | 31 | 29 | 31 | 31 | 28 | 31 | 31 | 29 | 31 | 31 | 29 |
Feels °C | 37 | 36 | 32 | 35 | 34 | 32 | 36 | 33 | 32 | 36 | 34 | 32 | 35 | 33 | 31 | 32 | 33 | 33 | 33 | 33 | 32 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 16 | SSW 17 | SW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 12 | SSW 11 | SSW 10 | SSW 9 | SSW 9 | SSW 13 | SSW 13 | SSW 13 | WSW 11 | WSW 11 | WSW 11 | WSW 12 |
| kJ | 305 | 241 | 268 | 932 | 1235 | 1094 | 1040 | 1751 | 1826 | 701 | 452 | 296 | 242 | 211 | 269 | 212 | 212 | 210 | 222 | 206 | 293 |
Swell 2 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 13 | SW 13 | SSE 9 | S 11 | S 11 | WNW 11 | WNW 11 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 8 | SW 8 | WSW 11 | SSW 13 | SW 16 | SW 17 | SW 15 |
| kJ | 80 | 64 | 212 | 138 | 30 | 300 | 457 | 12 | 11 | 545 | 538 | 390 | 277 | 277 | 88 | 62 | 128 | 189 | 381 | 400 | 239 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 20 | SSE 9 | S 10 | WNW 12 | W 8 | WNW 11 | SW 20 | SE 8 | SSE 8 | S 8 | SW 19 | SW 10 | WSW 11 | WSW 10 | SW 18 | SW 16 | SSE 8 | SSE 8 | S 8 |
| kJ | 209 | 273 | 253 | 31 | 8 | 14 | 12 | 12 | 15 | 17 | 25 | 30 | 57 | 24 | 76 | 86 | 249 | 274 | 63 | 85 | 55 |
Wind waves Height (m) Direction Period (s) | — | — | WSW 7 | WSW 7 | W 4 | W 4 | — | W 8 | W 7 | — | — | W 3 | — | — | WNW 3 | NW 3 | — | — | — | — | — |
| kJ | — | — | 42 | 36 | 17 | 12 | — | 11 | 10 | — | — | 6 | — | — | 3 | 3 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 8 | 0 | 0 | 10 | 504 | 0 | 2 | 507 | 0 | 0 | 455 | 0 | 4 | 455 | 0 | 33 | 501 | 0 | 426 | 76 | 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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