Round Rock Surf Break

Lat Long: 13.28° N 59.57° W

Round Rock 48 hour detailed Surf Forecast

Issued: 7 am 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Round Rock sea temperature is
29.2° C
0.6° 

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 (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 5.5ft (1.7m), 7s period with ENE swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 5.5ft (1.7m), 7s period with ENE swell.
  • Evening surf: Evening surf (21 Aug, local time) - 5ft (1.6m), 7s period with ENE swell.

The current surf forecast for Round Rock at 2PM is: 1.7m 7s primary swell from a East-northeast direction and 0.3m 7s secondary swell from a North direction (forecast issued at 07:00am August 21). An open ocean swell of 0.6m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (AST) & DateWave HeightWave Period
Morning (21 Aug)5.5ft (1.7m)7s
Afternoon (21 Aug)5.5ft (1.7m)7s
Evening (21 Aug)5ft (1.6m)7s

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


Short Range Forecast

Moderate rain (total 19mm), heaviest on Fri night. Warm (max 28°C on Fri morning, min 27°C on Fri morning). Mainly fresh winds.

Friday
21
Saturday
22
Sunday
23
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
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
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
ENE
7
1.6
ENE
7
1.7
ENE
7
1.7
ENE
7
1.6
ENE
7
1.6
ENE
7
1.6
ENE
7
1.6
ENE
7
1.5
ENE
7
1.5
ENE
7
1.5
ENE
7
1.5
ENE
7
1.4
ENE
7
1.5
ENE
7
1.4
ENE
7
1.4
ENE
7
1.4
ENE
7
1.4
ENE
7
1.4
ENE
7
1.3
ENE
7
1.4
ENE
8
1.4
ENE
8
1.3
ENE
8
Wave Graph
Metric surfscale
Energy kJ
280
273
255
286
233
240
240
232
204
198
198
198
168
192
191
186
191
197
214
191
204
204
202
Wind (km/h)
25
ENE
30
ENE
30
E
30
E
25
E
30
ENE
30
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
30
E
30
ESE
25
E
25
E
25
E
25
E
20
E
Wind State
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
cross-on
cross-on
cross-on
cross-on
High Tide
12:19PM0.46m
10:09PM0.60m
1:32PM0.49m
11:34PM0.61m
2:07PM0.52m
Low Tide
4:51AM0.24m
3:30PM0.44m
6:10AM0.22m
5:20PM0.44m
7:07AM0.19m
6:35PM0.42m
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
5:46
5:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:15
6:15
 mm
1
1
1
1
1
2
2
1
1
2
1
1
1
1
2
Temp °C
27
27
28
28
28
27
27
27
27
27
28
28
28
27
27
27
27
28
28
28
28
27
27
Feels °C
27
26
28
28
28
27
27
28
28
27
28
29
29
27
28
28
28
29
28
29
29
28
29
  • 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 

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