Round Rock Surf Break

Lat Long: 13.28° N 59.57° W

Round Rock 48 hour detailed Surf Forecast

Issued: 1 pm 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Round Rock sea temperature is
29.2°C
0.5° 

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


How big are the waves at Round Rock today (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 3ft (0.9m), 6s period with ENE swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 2.5ft (0.8m), 7s period with ENE swell.
  • Evening surf: Evening surf (18 Sep, local time) - 2.5ft (0.7m), 6s period with NE swell.

The current surf forecast for Round Rock at 4PM is: 0.8m 7s primary swell from a East-northeast direction (forecast issued at 01:00pm September 18). An open ocean swell of 0.7m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (AST) & DateWave HeightWave Period
Morning (18 Sep)3ft (0.9m)6s
Afternoon (18 Sep)2.5ft (0.8m)7s
Evening (18 Sep)2.5ft (0.7m)6s

Table - waves today at Round Rock. (Swell directed towards the surf break)


Short Range Forecast

Some drizzle, heaviest during Sat night. Warm (max 29°C on Fri afternoon, min 26°C on Fri night). Wind will be generally light.

Fri
18
Saturday
19
Sunday
20
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
ENE
6
0.8
ENE
6
0.8
ENE
7
0.7
NE
6
0.7
ENE
7
0.7
ENE
6
0.7
ENE
6
0.7
ENE
7
0.7
ENE
7
0.7
ENE
7
0.6
ENE
7
0.6
ENE
7
0.6
ENE
7
0.6
ENE
8
0.6
ENE
7
0.6
ENE
8
0.7
ENE
8
0.7
ENE
8
0.7
ENE
8
0.8
ENE
8
0.7
ENE
7
Wave Graph
Metric surfscale
Energy kJ
49
54
57
43
38
37
37
38
40
40
30
32
31
43
33
40
51
50
58
64
55
Wind (km/h)
20
ESE
20
ESE
15
ESE
15
E
20
ESE
15
ESE
15
ESE
20
E
20
ESE
20
ESE
20
ESE
20
E
20
E
15
ESE
15
E
20
E
20
E
20
E
20
E
20
E
20
E
Wind State
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
9:18AM0.45m
7:47PM0.60m
12:06PM0.46m
9:13PM0.58m
1:04PM0.50m
Low Tide
1:05PM0.42m
3:58AM0.25m
2:37PM0.45m
5:26AM0.25m
5:02PM0.45m
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:47
5:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:57
5:55
5:55
 mm
2
1
Temp °C
28
29
28
27
27
26
26
27
28
28
28
28
27
28
28
28
29
29
29
28
28
Feels °C
29
30
30
29
29
27
27
29
30
30
30
31
29
31
31
30
31
30
31
30
30
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Round Rock surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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