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 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's The Rock-Costa Azul sea temperature is
30.7° C
3.0° 

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 12 Aug 2026:

  • Best quality surf: Friday 14 Aug, 8AM (local time) - 3ft (0.9m), 18s period, SSW 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★+): Wednesday 12 Aug, 8AM (local time) - 3ft (0.9m), 16s 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 Wednesday (Aug 12) at 8AM. The primary swell is predicted to be 0.9m and 16s period with a secondary swell of 0.8m and 12s. 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-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Friday (Aug 14) at 5AM.

Wave TypeTime (MST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Wed 12th Aug)3ft (0.9m) 16s
Best Surf 8AM (Fri 14th Aug)3ft (0.9m) 18s
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, let’s get into it. The Rock-Costa Azul is a reef setup that’s consistent and mainly for advanced surfers. The water’s sitting at a toasty 87°, which is much warmer than usual for this time of year – feels like a bath out there.

The first few days are pretty average. Wednesday morning has a 3 ft SW swell, but the wind is cross-on and light, so the surface is a bit messy. The energy is moderate (601). The week remains a bit of a slow burn with small, cleanish afternoons, but nothing worth getting excited about.

Friday afternoon is where things start to turn. The swell jumps to 5 ft from the SW with a long 17-second period, and the wind swings cross-off – that’s clean. The combined energy bumps up to a strong 1221, and conditions are looking excellent. That’s the standout session of the first week.

Saturday morning holds similar size at 5 ft, but with a cross-on breeze, so it’s not as clean. By Saturday afternoon, it’s back to cross-off and 4 ft SSW, with solid energy (852) and very good conditions. Sunday morning is glassy, with light S winds and 4 ft SSW swell – that’s a real treat for the early crew.

Monday afternoon sees another good window, with a 4 ft SSW swell, 16-second period, and cross-off wind. Clean conditions again. The energy is moderate (700). By Tuesday and Wednesday, the swell drops back to 3 ft, and the afternoons stay clean but smaller.

There’s a bit of a dry spell from Thursday the 20th through to Saturday the 22nd, with swell dropping to 2 ft and mostly onshore or cross-off winds. The energy is low (200–300 range). A few clean sessions pop up, but it’s pretty weak.

Then Sunday the 23rd afternoon gets interesting again. The swell bumps up to 4 ft but from the SSE, with a short 10-second period – that’s a bit different. The winds are cross-off, and the energy hits 634. Monday the 24th morning sees 5 ft from the SSE with a light cross-shore, and the afternoon is offshore with a light WNW wind, 5 ft and clean. That’s a solid day for the experts.

Tuesday the 25th keeps 5–5 ft, but the morning is cross-on, afternoon cross-off. The direction swings S to SSW. The energy is high (952). Wednesday the 26th morning is onshore with 4 ft SW, but the afternoon brings 6 ft SW with a 14-second period, strong energy (1456), and onshore wind – a bit of a mixed bag. Thursday the 27th morning is onshore, 4 ft SW, but the afternoon is glassy with 5 ft SW and 16-second period, and the energy is strong (1193). That’s a cracking end to the outlook, excellent for the crew that can handle it.

So the real standout is Friday 14th afternoon, with that glassy 5 ft SW groundswell, and then Thursday 27th afternoon with the glassy SW swell. Both are top-tier for the advanced surfer.

Rusty.

Short Range Forecast

Moderate rain (total 11mm), heaviest on Thu afternoon. Warm (max 32°C on Thu morning, min 27°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 5mm), mostly falling on Sat night. Warm (max 32°C on Sat morning, min 28°C on Mon night). Wind will be generally light.

Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
3
1
2
3
2
4
4
3
3
2
3
2
3
2
3
2
1
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
SW
16
0.9
SW
16
1
SW
15
0.9
SW
16
0.9
SW
15
0.8
SSW
18
0.9
SSW
18
1.4
SW
17
1.4
SW
16
1.4
SW
16
1.3
SSW
16
1.2
SW
15
1.2
SSW
14
1.2
SSW
14
1.1
SW
14
1.1
SW
14
1.2
SSW
16
0.8
SSW
13
1
SSW
14
1
SSW
15
1
SSW
16
Wave Graph
Metric surfscale
Energy kJ
502
362
459
411
344
408
547
1179
1044
1018
822
631
561
561
476
482
674
229
437
461
512
Wind (km/h)
10
S
15
W
15
WNW
10
SE
25
NNW
15
NW
5
SE
10
WSW
10
NW
10
SE
10
SW
5
NNE
5
S
5
SSW
10
WNW
10
SE
15
SW
5
WNW
10
S
15
WSW
15
WNW
Wind State
cross-on
cross-off
off
on
cross-off
off
cross-on
cross-off
off
cross-on
cross-off
cross
glassy
cross
off
cross-on
cross-off
glassy
cross
cross-off
off
High Tide
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
11:00AM1.50m
11:16PM1.10m
11:22AM1.46m
11:56PM0.92m
Low Tide
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
5:33PM0.61m
4:33AM0.69m
6:26PM0.68m
4:17AM0.78m
clear
clear
clear
clear
thunderstorm
clear
clear
clear
thunderstorm
clear
clear
thunderstorm
clear
thunderstorm
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
5:54
5:54
5:54
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:52
6:52
6:51
6:50
6:50
6:49
 mm
10
1
2
1
1
1
Temp °C
31
31
29
32
31
28
32
32
30
32
32
30
32
31
29
32
31
29
32
32
29
Feels °C
34
34
32
35
35
31
35
35
33
35
36
34
36
34
33
35
34
33
36
34
34
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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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