Octagon House Surf Break

Lat Long: 29.09° N 95.10° W

Octagon House Surf Forecast and Surf Report

Issued: 12 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Octagon House sea temperature is
30.6° C
1.4° 

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


Octagon House surf forecast from 20 Aug 2026:

  • Most powerful swell: Wednesday 26 Aug, 4AM (local time) - 2.5ft (0.7m), 4s period, S swell with 17 kJ wave energy.

Best Forecast Surf Conditions for Octagon House this week:

The most powerful waves expected at Octagon House in the next 16 days are 0.7m 4s and forecast to arrive on Wednesday (Aug 26) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (CDT) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 4AM (Wed 26th Aug)2.5ft (0.7m) 4s

Table - best surf conditions forecast for Octagon House over the next 16 days.


The Lowdown

Alright, I’ve taken a look at what’s on the cards for Octagon House, and I’ve got to level with you – it’s a rough stretch. The whole 16-day window is pretty much one long flat patch with nothing that’s going to get a surfer excited. We’re talking tiny waves and average wind conditions for the most part.

From Thursday the 20th of August all the way through to Friday the 4th of September, there’s not a single session that rates well. The swell is tiny – we’re looking at 1ft to 2ft from the south and southwest, with periods hanging around a short 4 to 6 seconds. That’s just windswell bump, no real power behind it. The combined swell energy is weak, sitting at numbers like 11, 15, or 22 – nothing with any punch.

The winds are mostly cross-onshore or onshore from the south, which leaves the water choppy and messy. There are a couple of moments where the wind goes light and clean, like the morning of Saturday the 22nd of August, with a light cross-offshore breeze from the west-southwest, and again on Wednesday the 2nd of September morning with a light westerly. But even then, the swell is just too small – 2ft at best – to make anything of it. The energy is barely there.

Octagon House is an exposed spot that likes swell from the southeast, and we just aren’t getting that direction or any size. For a beginner spot that’s fairly consistent, this is a real dry spell. It’s the kind of stretch where you’d be better off doing something else, because the ocean isn’t giving us anything. The forecast can always change, but right now, it’s a blank run.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 31°C on Fri morning, min 27°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 30°C on Sun morning, min 27°C on Sat night). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
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
Wave
Height (m)
Direction
Period (s)
0.4
S
4
0.5
S
4
0.6
S
4
0.5
S
4
0.5
S
4
0.6
S
4
0.6
SSW
4
0.5
S
4
0.6
S
4
0.5
SW
4
0.4
S
4
0.6
S
4
0.5
S
4
0.4
S
4
0.6
S
4
0.6
S
4
0.5
S
4
0.7
S
4
0.6
S
4
0.5
S
5
0.7
S
4
Wave Graph
Metric surfscale
Energy kJ
5
8
10
9
10
11
11
9
10
8
6
9
9
5
10
12
10
16
15
11
16
Wind (km/h)
15
SSW
25
S
20
SSW
15
SW
25
S
15
SSW
10
WSW
25
S
15
SSW
10
SW
20
S
15
SSW
15
SSW
20
SSE
20
S
15
SSW
20
SSE
20
S
10
SSW
20
SSE
25
S
Wind State
cross-on
cross-on
cross-on
cross
cross-on
cross
cross-off
cross-on
cross
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-on
on
cross-on
cross
cross-on
cross-on
High Tide
4:01AM0.41m
4:44AM0.41m
5:18AM0.41m
5:36AM0.40m
5:38AM0.39m
5:40AM0.38m
1:45PM0.37m
Low Tide
5:29PM-0.00m
6:25PM-0.01m
7:17PM-0.01m
8:05PM-0.02m
8:45PM-0.01m
10:07AM0.37m
9:21PM-0.00m
9:50AM0.35m
9:53PM0.02m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:52
6:52
6:52
6:52
6:54
6:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:54
7:53
7:52
7:52
7:51
7:50
7:49
 mm
Temp °C
30
30
28
31
30
28
31
30
28
30
30
28
30
29
28
30
29
29
30
30
28
Feels °C
32
31
30
34
31
29
33
31
30
31
31
30
31
30
29
32
30
31
32
31
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
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Information about the Octagon House Surf forecast

The above surf forecast table for Octagon House provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Octagon House can be found by selecting the local surf guide option on the grey menu. Our Octagon House 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 (Octagon House) 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 Octagon House 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.

Are you planning a vacation in Texas? If you are looking for accommodation near Octagon House, camping, hotels and condos and appartments in Texas, consider staying in Angleton which is 33 km (20 miles) away. Other places in and around Texas where you can find information about places to rent, and car hire include La Marque which is 33 km (20 miles) away, Lake Jackson, Texas City and Galveston.

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