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 pm 06 Sep 2026 (local time)

Forecast update in  hr  min

Today's The Rock-Costa Azul sea temperature is
31.0°C
2.8° 

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 7 Sep 2026:

  • Best quality surf: Sunday 6 Sep, 8PM (local time) - 4ft (1.2m), 14s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Wednesday 9 Sep, 11PM (local time) - 4ft (1.2m), 17s period, SW swell with 874 kJ wave energy.
  • Next surfable swell (1★+): Sunday 6 Sep, 8PM (local time) - 4ft (1.2m), 14s 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 Sunday (Sep 06) at 8PM. The primary swell is predicted to be 1.2m and 14s period with a secondary swell of 1.3m and 10s. 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 1.2m 17s and forecast to arrive on Wednesday (Sep 09) 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 1.4m 6s period and expected on Sunday (Sep 13) at 5AM.

Wave TypeTime (MST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sun 6th Sep)4ft (1.2m) 14s
Best Surf 8PM (Sun 6th Sep)4ft (1.2m) 14s
Most Powerful11PM (Wed 9th Sep)4ft (1.2m) 17s

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


The Lowdown

Alright folks, Rusty here. Let’s have a look at what’s cookin’ for the next 16 days at The Rock-Costa Azul. This is a solid reef set-up that loves a good S swell, and it’s got a rep for being consistent. There’s a bit of a wait for the best of it, but the window opens proper this Sunday.

The water is a standout straight away – we’re looking at 88°F which is a massive 5°F warmer than normal for this time of year. That’s properly unusual, so you’ll be surfing in a bath. The overall energy through the period is solid, with combined energy readings well into the three-digit range, hitting over 1000 on Sunday, which is moderate to strong, so there’s plenty of push in the water.

Sunday, September 6th is the real deal. The Rock-Costa Azul is your best bet. You’ve got a clean 4ft SSW swell with a 15-second period – that’s proper groundswell, long and powerful. It’s an exposed reef, so that long period will wrap in nicely, giving you good shape and long lulls between sets to paddle out. The wind is glassy in the morning, switching to a light offshore from the WNW in the afternoon. This is a spot for advanced surfers only, and with the water temp and these conditions, it’s going to be a treat. The combined energy is strong at 1054.

Monday, September 7th sees the swell dropping a touch to 4ft, still from the SSW, still with a long 14-second period. The morning has a light cross-on breeze, so it won’t be as clean, but the afternoon cleans up nicely with a cross-off wind. It’s a solid option, but not the standout.

The rest of the first week sees the swell ease a bit, but there’s still fun waves. Tuesday, September 8th is smaller, 3ft in the morning, dropping to 2ft, but that afternoon has a 16-second period swell from the SW. The wind is a moderate cross-off, so it’ll be clean but a bit punchy. Crowds are often here, so expect company.

Wednesday, September 9th through to Friday, September 11th offers a consistent run of 3ft to 4ft SW swell, with periods holding strong at 14-17 seconds. The winds are mostly light offshore or glassy. Friday morning is absolutely glassy with no wind at all – that’s a rare treat for a reef, so paddle out early for silky conditions.

The second week, from Saturday, September 12th onwards, the swell drops off a bit, settling into the 2ft to 3ft range. The periods are still long, often 16-19 seconds, so there’s still quality in the water, just less size. The winds are generally light and favourable, with plenty of glassy mornings and offshore afternoons. Monday, September 14th has a 2ft, 18-second swell with glassy conditions – small but perfectly formed for a longboard. Tuesday, September 15th picks up a touch in the afternoon to 3ft, and Wednesday, September 16th sees a bit more size with a 4ft SSW swell. The best of the longer range looks like Saturday, September 19th, where you’ve got a 3ft SW swell with a 18-second period and glassy winds all day. That’s promising, but it’s a way off, so keep an eye on it.

Overall, the best on offer is crystal clear: Sunday morning, September 6th is the standout. Get out there early for the glass and that 4ft, 15-second groundswell. The second standout is Friday, September 11th for the morning glass. After that, the quality holds but the size drops, so pick your moments.

Rusty out.

Short Range Forecast

Moderate rain (total 10mm), heaviest on Sun afternoon. Warm (max 32°C on Mon morning, min 27°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 41mm), heaviest during Wed night. Warm (max 31°C on Wed afternoon, min 24°C on Thu morning). Wind will be generally light.

Sun
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
3
3
3
3
1
2
3
2
3
3
3
3
3
3
2
2
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
SSW
14
1.1
SSW
14
1.1
SSW
14
1
SSW
14
0.9
SSW
13
0.8
SSW
13
0.8
SSW
13
0.9
SW
16
0.9
SW
17
1.1
SW
17
1.2
SW
17
1.2
SW
16
1.2
SW
16
1.1
SW
16
1.1
SW
15
1
SW
14
0.9
SSW
14
0.9
SW
14
0.7
SW
14
0.7
SW
13
Wave Graph
Metric surfscale
Energy kJ
602
494
452
347
273
195
214
381
410
687
854
739
729
612
489
412
362
293
186
180
Wind (km/h)
10
WNW
15
WNW
5
ESE
10
WSW
15
WNW
5
S
20
SW
10
WNW
5
ESE
10
SW
15
NNW
5
W
10
NNW
15
NW
10
W
15
N
10
NW
10
WNW
25
WNW
15
NW
Wind State
off
off
glassy
cross-off
off
cross
cross-off
off
on
cross-off
cross-off
glassy
cross-off
off
cross-off
cross-off
off
off
off
cross-off
High Tide
5:00PM1.48m
7:29AM1.29m
6:03PM1.61m
7:43AM1.39m
6:51PM1.70m
8:01AM1.48m
7:32PM1.74m
8:21AM1.56m
8:09PM1.72m
8:42AM1.62m
8:44PM1.65m
9:02AM1.66m
9:18PM1.54m
Low Tide
00:34AM0.18m
12:18PM0.89m
1:09AM0.11m
12:58PM0.72m
1:39AM0.09m
1:34PM0.56m
2:06AM0.12m
2:08PM0.44m
2:31AM0.20m
2:41PM0.36m
2:53AM0.31m
3:13PM0.32m
3:11AM0.43m
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
6:03
6:03
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:30
6:29
6:28
6:27
6:25
6:24
 mm
4
1
2
2
1
2
23
3
6
7
Temp °C
31
29
32
31
29
30
31
29
32
31
29
28
30
27
29
30
28
31
31
28
Feels °C
36
33
36
35
32
34
33
32
35
34
33
32
32
29
31
30
31
34
32
30
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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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