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 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's The Rock-Costa Azul sea temperature is
31.6°C
3.6° 

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 13 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★+): Sunday 13 Sep, 11AM (local time) - 2.5ft (0.7m), 13s 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 Sunday (Sep 13) at 11AM. The primary swell is predicted to be 0.7m and 13s period with a secondary swell of 0.5m and 16s. 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 1.1m 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 Friday (Sep 18) at 8AM.

Wave TypeTime (MST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sun 13th Sep)2.5ft (0.7m) 13s
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. Let’s break down what’s cooking for The Rock-Costa Azul over the next couple of weeks. It’s a reef setup that’s consistent and handles swell from the south, so when conditions line up, it can be a real treat.

Right from this Sunday morning, the 13th, we’ve got some clean little waves on the table. Swell size is 2ft from the SW with a solid 13-second period, and glassy conditions with a light southerly breeze. The water is *much warmer than normal* for this time of year at 89°, so that’s a bit of a tropical surprise. Combined wave energy is sitting at a moderate 321. This is a nice, mellow start for a Sunday session.

The pattern holds through Monday the 14th, with similar 2ft to 2ft SW swell and a long 18-second period. Winds are light and cross-off from the SW, keeping things clean. It’s not going to blow you away, but it’s perfectly fun.

Now, we start to see it building. Tuesday the 15th is a real standout. Morning starts glassy with a 2ft SSW swell, but by the afternoon, we’re into 2ft SW swell with a 16-second period, light offshore wind from the west, and combined energy climbing to 588. That’s a sweet set-up for this reef.

Things get even better mid-week. Wednesday the 16th is a cracker: glassy morning with a 3ft SSW swell and a 16-second period, with combined energy at 636. The afternoon holds at 4ft with 15-second period and light cross-off wind. If you’ve got a free day, this is the one to aim for.

Thursday the 17th keeps the quality high with 3ft SSW swell, glassy mornings, and clean afternoons. The energy is pushing into the 700s, which is solid. This whole run from Tuesday afternoon through Thursday is your best bet for longer-period groundswell. Being a reef break, that longer period will translate into some proper shaped lines.

We get a bit of a hiccup Friday the 18th morning with some cross-shore wind and a questionable tide call, but the afternoon cleans right back up. Saturday the 19th is similar, not quite as pristine in the morning, but the afternoons hold clean.

Then there’s another real highlight. The morning of Sunday the 20th is clean with a 3ft SW swell, and then Monday the 21st is an absolute gem: 4ft SW swell with a 17-second period, and *dead flat calm, glassy conditions* all morning. Combined energy hits 962. That is a very well-shaped day for experienced surfers.

The glassy, clean conditions roll right through Tuesday the 22nd with 4ft SSW swell. We see a little onshore bump Wednesday the 23rd morning, but it cleans up for the glassy afternoon session.

Into the second week, there’s still plenty of manageable swell on offer. Thursday the 24th offers a glassy 3ft SW swell, and Friday the 25th is passable with cross-off winds. By Saturday the 26th, the energy starts to fade a little, but we still see clean cross-off afternoons.

The final days from the 27th to the 28th taper off with smaller 2ft to 2ft SW swell, but with glassy to light offshore winds, keeping it clean for a mellow goodbye to the run.

No need to overthink it: Tuesday afternoon through Monday the 21st are your standout days. A longer period groundswell on a reef with clean, glassy wind? That’s the kind of forecast that gets you out of bed early.

Stay stoked,
Rusty

Short Range Forecast

Light rain (total 8mm), mostly falling on Tue night. Warm (max 31°C on Sun morning, min 27°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

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

Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
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
2
2
2
2
2
3
3
3
3
3
3
3
3
2
3
3
2
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)
0.7
SW
13
0.5
SW
19
0.5
SW
18
0.7
SW
18
0.6
SW
18
0.8
SSW
16
0.6
SSW
18
0.7
SW
16
1.1
SSW
16
1
SSW
16
1.1
SSW
15
1.1
SSW
14
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
Wave Graph
Metric surfscale
Energy kJ
175
184
154
312
249
310
249
258
627
481
505
515
394
367
388
450
380
465
455
455
621
Wind (km/h)
5
S
20
WSW
15
NW
5
SW
15
WSW
10
WNW
5
E
5
W
10
W
5
SE
10
WSW
10
NW
5
SE
10
SW
10
NW
10
S
15
WSW
10
NNW
5
SSW
15
W
15
WNW
Wind State
glassy
cross-off
off
cross-off
cross-off
off
glassy
off
off
glassy
cross-off
cross-off
glassy
cross-off
cross-off
cross
cross-off
cross-off
cross
cross-off
off
High Tide
9:22AM1.67m
9:49PM1.39m
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
Low Tide
3:45PM0.33m
3:26AM0.55m
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
clear
clear
thunderstorm
part cloud
part cloud
rain showers
part cloud
thunderstorm
thunderstorm
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
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
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:23
6:22
6:22
6:21
6:20
6:19
6:17
 mm
1
2
2
3
Temp °C
31
31
28
31
31
28
31
30
29
31
31
29
32
31
29
32
32
29
32
32
29
Feels °C
36
34
31
35
35
31
35
34
33
36
35
34
37
35
33
36
35
31
36
35
32
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  • 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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