Octagon House Surf Break

Lat Long: 29.09° N 95.10° W

Octagon House Surf Forecast and Surf Report

Issued: 6 pm 30 Aug 2026 (local time)

Forecast update in  hr  min

Today's Octagon House sea temperature is
30.5°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 31 Aug 2026:

  • Most powerful swell: Tuesday 1 Sep, 10PM (local time) - 2ft (0.6m), 4s period, SSE swell with 14 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 0.6m 4s and forecast to arrive on Tuesday (Sep 01) at 10PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (CDT) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful10PM (Tue 1st Sep)2ft (0.6m) 4s

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


The Lowdown

Imperial Version

Alright, Rusty here. Let’s break it down. This is a slow start, no two ways about it.

For Octagon House (SE exposure), we’re looking at a proper dry spell. From Sunday the 30th of August all the way through to Thursday the 10th of September, there’s nothing doing. Tiny waves, junk conditions, and a whole lot of sitting on the beach. The water temp is sitting at 87°, which is a touch warmer than usual, so at least it’s a nice temperature for a swim.

The first real chance of something shows up on Friday the 11th of September. The morning brings 5ft of swell out of the SSE, with a period of 7 seconds. The combined energy is moderate at 231. The wind is a clean cross-offshore from the WSW. It’s a bit marginal, but it’s the first real pulse we’ve seen.

The clear winner, though, is Saturday the 12th of September. Saturday morning is the one. You’ve got 5ft of SSE swell, period of 8 seconds, and the combined energy is a solid 253. The wind is glassy and light from the WSW, giving you a clean, cross-off breeze. For a beginner-friendly spot like Octagon House, that’s as good as it gets. The swell is pushing but not too heavy.

After that, it goes downhill. Sunday the 13th sees the swell jump to 7ft, which is getting into “experts only” territory, and the winds turn onshore and messy. The combined energy hits 475, but with the wind, it’s a choppy mess. Monday the 14th is another write-off, with 5ft of swell but fresh onshore winds and some rain.

So, bottom line: if you’re looking to get wet, make it Saturday morning. That’s the only real window of clean, fun surf in this whole 16-day stretch. The rest is either flat or blown out. Stay patient.

Rusty.

Short Range Forecast

Moderate rain (total 12mm), heaviest on Mon night. Warm (max 30°C on Sun afternoon, min 27°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 5mm), mostly falling on Fri morning. Warm (max 30°C on Wed afternoon, min 28°C on Wed night). Wind will be generally light.

Sun
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.1
SE
9
0.3
SSE
3
0.1
SE
9
0.2
S
4
0.3
ESE
5
0.4
E
5
0.5
S
4
0.7
SSE
4
0.4
SE
4
0.4
SSW
4
0.5
SSE
4
0.4
SSE
4
0.4
SSE
4
0.4
SSE
4
0.4
SSE
4
0.4
SSE
4
0.4
SSE
4
0.4
SE
4
0.4
SE
4
0.4
SE
4
Wave Graph
Metric surfscale
Energy kJ
3
3
3
3
6
8
9
14
5
6
11
6
6
7
6
6
8
5
7
5
Wind (km/h)
15
SE
15
SSE
5
N
15
ESE
10
SSW
10
W
20
SSE
20
SSE
10
SSW
20
SE
20
SSE
10
S
20
SE
20
SSE
15
S
20
SE
20
SSE
10
SSE
20
SE
15
SSE
Wind State
on
cross-on
glassy
cross-on
cross
cross-off
cross-on
on
cross-on
on
cross-on
cross-on
on
cross-on
cross-on
on
on
cross-on
on
cross-on
High Tide
6:39PM0.35m
6:10AM0.36m
8:09PM0.36m
6:02AM0.37m
9:48PM0.39m
5:42AM0.39m
11:43PM0.42m
5:14AM0.42m
4:42AM0.45m
3:43AM0.47m
Low Tide
00:03AM0.22m
12:46PM0.11m
00:41AM0.29m
1:32PM0.06m
1:21AM0.35m
2:25PM0.02m
1:59AM0.41m
3:26PM-0.02m
4:36PM-0.03m
5:50PM-0.04m
clear
clear
thunderstorm
clear
rain showers
thunderstorm
clear
clear
thunderstorm
clear
clear
thunderstorm
clear
clear
thunderstorm
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:56
6:56
6:58
6:58
6:58
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:44
7:43
7:42
7:40
7:39
7:38
7:37
 mm
1
5
4
2
2
3
Temp °C
30
29
30
30
29
30
30
29
30
30
29
30
30
29
30
30
29
30
30
29
Feels °C
31
31
31
31
31
32
31
30
32
31
31
32
31
31
32
32
31
33
32
31
  • Map Icons:
  • Break
  • 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 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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