The Rock-Costa Azul Surf Break

Lat Long: 22.96° N 109.80° W

The Rock-Costa Azul Surf Forecast and Surf Report

Issued: 4 am 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's The Rock-Costa Azul sea temperature is
31.4°C
3.4° 

The Rock-Costa Azul surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


The Rock-Costa Azul surf forecast from 14 Sep 2026:

  • Best quality surf: Tuesday 15 Sep, 5AM (local time) - 2.5ft (0.8m), 16s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Sunday 20 Sep, 8AM (local time) - 3.5ft (1.1m), 19s period, SW swell with 819 kJ wave energy.
  • Next surfable swell (1★+): Monday 14 Sep, 5PM (local time) - 2ft (0.6m), 18s period with SW 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 (Sep 14) at 5PM. The primary swell is predicted to be 0.6m and 18s period with a secondary swell of 0.6m 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 1.1m 19s and forecast to arrive on Sunday (Sep 20) at 8AM. 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 Sunday (Sep 20) at 5PM.

Wave TypeTime (MST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Mon 14th Sep)2ft (0.6m) 18s
Best Surf 5AM (Tue 15th Sep)2.5ft (0.8m) 16s
Most Powerful 8AM (Sun 20th Sep)3.5ft (1.1m) 19s

Table - best surf conditions forecast for The Rock-Costa Azul over the next 16 days.


The Lowdown

Alright folks, Rusty here, taking a look at the Rock-Costa Azul. This spot is a consistent reef break over in the Costa Azul region, exposed to the south swell. The water temp is reading 88.5°, which is a wild 6.1° warmer than average for this time of year – that’s very unusual, you won't need a wetsuit, that's for sure.

Right now, we’ve got a bit of an exciting window opening up. From Monday the 14th onwards, the pattern settles into classic late-season form. The initial conditions are a bit messy Monday morning, with a light onshore breeze, but it cleans up nicely by Monday afternoon. The real run of glory starts Wednesday the 16th afternoon and runs right through to the end of the following week.

We've got a long-period groundswell from the southwest rolling in, with 18-second intervals. That's a very long period, so the wave shapes will be generous and full of energy, but it might tend to race a bit at a beach break—good thing this is a reef setup. Swell heights sit around 2.6ft to 3.6ft most days, with the combined energy in the moderate but punchy range (between 406 and 841). It's clean, it's consistent, and the crowd situation at the Rock... let's just say it can get *often* busy, so get out there early.

The absolute standout for the whole forecast is Thursday the 17th. Morning and afternoon, we've got glassy conditions. The combined energy hits 821 for the morning session, with a 3.6ft SSW swell. The wind is dead calm—just a slight air, and it’s glass. That’s as good as it gets for clean, rippable waves. Friday the 18th is also a beauty with a very long 19-second period, although the swell drops slightly to 2.6ft.

The following week (September 21st and 22nd) is another prime window. Monday the 21st delivers 3.6ft SW swell with glassy conditions and a calm wind – a top-tier call. Tuesday the 22nd is also dead calm and glassy all day. The wave energy and size hold solid through Wednesday the 23rd, but the period drops to 15 or 14 seconds.

After Thursday the 24th, the swell slowly starts to fade, dropping to 3.0ft with shorter periods (13-12 seconds), and the winds turn a bit more cross-on, making those sessions more marginal. There's a smaller spike in period on the 28th, but the size drops out to 1.6ft.

Overall, no gaps here – the surf is on offer from day one. The best of the best is clearly that Thursday the 17th and Monday the 21st. Get on it.

Short Range Forecast

Some drizzle, heaviest during Mon night. Warm (max 31°C on Mon morning, min 27°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 32°C on Thu morning, min 27°C on Sat night). Wind will be generally light.

Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
2
2
0
2
3
2
3
3
3
3
3
3
3
3
2
2
3
3
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SW
18
0.6
SW
18
0.8
SSW
16
0.6
SSW
18
0.8
SSW
16
1.1
SSW
16
1
SSW
16
1.1
SSW
15
1.1
SSW
14
1.1
SSW
14
1
SSW
14
0.7
SW
20
0.8
SW
19
0.7
SW
19
0.9
SW
18
0.9
SW
18
0.9
SW
18
1
SW
18
1
SW
17
1
SW
17
1.1
SW
17
Wave Graph
Metric surfscale
Energy kJ
312
249
310
249
322
627
481
505
515
472
367
388
450
380
465
455
455
621
560
553
745
Wind (km/h)
10
SE
15
WSW
10
WNW
15
ESE
10
SSW
5
NW
5
SSE
10
WSW
10
NW
5
SSE
5
WSW
10
WNW
5
SSE
10
WSW
5
NNW
10
SSW
15
WSW
15
WNW
5
SW
15
WSW
15
WNW
Wind State
on
cross-off
off
on
cross
off
cross-on
cross-off
off
glassy
glassy
off
glassy
cross-off
cross-off
cross
cross-off
off
cross-off
cross-off
off
High Tide
9:40AM1.64m
10:18PM1.24m
9:57AM1.60m
10:46PM1.08m
10:13AM1.52m
11:15PM0.92m
10:24AM1.44m
10:28AM1.34m
9:55AM1.24m
8:18AM1.19m
4:33PM1.23m
Low Tide
4:15PM0.38m
3:35AM0.65m
4:48PM0.46m
3:37AM0.74m
5:25PM0.56m
3:20AM0.79m
6:26PM0.68m
11:35PM0.65m
00:01AM0.53m
12:17PM1.10m
00:21AM0.43m
part cloud
part cloud
thunderstorm
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:05
6:05
6:05
6:05
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:22
6:21
6:20
6:19
6:17
6:16
 mm
1
1
Temp °C
31
30
28
30
30
28
31
31
29
32
31
29
32
32
29
32
32
28
32
32
29
Feels °C
35
34
32
33
33
32
35
35
33
36
34
33
36
35
32
35
34
30
36
34
32
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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