Octagon House Surf Break

Lat Long: 29.09° N 95.10° W

Octagon House Surf Forecast and Surf Report

Issued: 12 pm 13 Jul 2026 (local time)

Forecast update in  hr  min

Today's Octagon House sea temperature is
30.1° C
1.2° 

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 13 Jul 2026:

  • Most powerful swell: Friday 17 Jul, 4AM (local time) - 4ft (1.2m), 6s period, SSE swell with 103 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 1.2m 6s and forecast to arrive on Friday (Jul 17) at 4AM. 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 Powerful 4AM (Fri 17th Jul)4ft (1.2m) 6s

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


The Lowdown

Alright folks, Rusty here. Let’s be straight with you – this is a tough one. We’ve got a long stretch of nothing much to get excited about across the whole 16-day window. The first wave of any note, if you can call it that, doesn’t show up until Monday morning, July 13th, and even then, it’s a bit of a struggle.

Overall Pattern

We’re looking at a prolonged period of small, weak swell and persistent onshore or cross-onshore winds. The wave energy is pitifully low, barely registering numbers in the teens and twenties, peaking at a measly 77 (combined energy) on Friday, July 17th. That’s weak, no two ways about it. The wind is a constant problem, mostly from the S and SSE, keeping things choppy and messy.

Day-by-Day Breakdown

Monday, July 13th: The first option is Octagon House. It’s a beginner-friendly spot, exposed to the SE, and it’s fairly consistent. But honestly, the surf is poor. We’re looking at a tiny 2 ft SSE swell with a short period of 5 seconds. The water is a warm 86°, which is a touch warmer than normal for this time of year. The morning has a cross-shore wind at 9 mph, turning fully onshore in the afternoon. The energy is insignificant (33 in the morning, 65 in the afternoon). This is not a surf you paddle out for unless you’re desperate for a float.

Tuesday, July 14th – Saturday, July 19th: The story doesn’t change. Swell heights hover between 1 ft and 3 ft, all from the SSE or SE, with periods stuck at 5 or 6 seconds. The wind is consistently onshore or cross-onshore, ranging from 6 to 16 mph. Every single day is marked as “poor surf conditions.” The wave energy creeps up to a high of 77 on the Friday morning, but it’s still a messy, weak, short-period windswell. There’s no standout.

Sunday, July 20th – Monday, July 28th: The second week is even more depressing. Swell drops to 1 ft to 2 ft, and the energy is pitiful, bottoming out at 8 on Thursday, July 23rd. The wind is a constant cross-onshore, rarely letting up. There is one tiny moment of "clean" conditions on the morning of Thursday, July 23rd with a light cross-offshore wind from the WSW at 9 mph, but the swell is only 1 ft from the S with a period of 4 seconds. You’d be lucky to get a wave you can stand up on.

The Best on Offer

There is no true standout. If I had to pick the least terrible window, it would be the morning of Friday, July 17th at Octagon House. The swell is 3 ft from the SSE, which is the biggest we see, and the energy is at its highest (77). It’s still a poor, short-period (6 seconds) windswell, and the wind is a cross-onshore at 12 mph, making it choppy. It’s not good, it’s just the best of a bad lot.

For a beginner, this whole period is a write-off. The swell never gets above 3 ft, so it’s not too big, but the quality is so consistently poor that it’s not worth the paddle. The short periods (4-6 seconds) mean the waves are weak and mushy, with no real push.

Final Word

This is a classic flat spell for the area. A blank run of this length is fairly normal when the wind doesn’t cooperate. Forecasts can change, but right now, you’re better off doing something else. The setup here is more interesting for a kite surfer than a paddle surfer, given the persistent onshore wind and small, choppy waves.

Rusty.

Short Range Forecast

Heavy rain (total 34mm), heaviest during Mon morning. Warm (max 29°C on Mon morning, min 26°C on Wed morning). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 9mm), mostly falling on Thu morning. Warm (max 30°C on Fri afternoon, min 28°C on Thu afternoon). Wind will be generally light.

Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
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)
0.7
SSE
5
0.8
SSE
5
0.8
SSE
6
0.6
SE
6
0.7
SE
6
0.8
SE
5
0.8
SE
6
0.9
SE
6
0.9
SE
6
0.9
SSE
6
0.9
SSE
6
1.1
SE
6
1
SSE
6
0.9
SE
6
0.8
SSE
6
0.7
SSE
5
0.7
SSE
6
0.6
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
Wave Graph
Metric surfscale
Energy kJ
30
33
37
20
31
26
36
47
52
53
61
88
77
59
46
26
28
21
12
12
9
Wind (km/h)
15
SSW
15
SSE
10
SSW
10
ESE
15
ESE
15
SE
25
E
20
ESE
20
ESE
20
SSE
20
SSE
20
SE
20
SSE
15
SSE
20
SSE
15
S
15
S
15
S
15
SSE
15
SE
15
S
Wind State
cross
on
cross-on
on
cross-on
on
cross-on
on
on
on
on
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
High Tide
12:21PM0.39m
6:51AM0.41m
1:56PM0.39m
7:29AM0.38m
3:15PM0.37m
8:01AM0.35m
4:36PM0.33m
8:28AM0.33m
6:10PM0.28m
8:50AM0.30m
8:02PM0.24m
9:07AM0.29m
10:15PM0.23m
Low Tide
10:42AM0.39m
10:02PM-0.24m
10:50AM0.37m
10:55PM-0.21m
11:31AM0.34m
11:47PM-0.16m
12:31PM0.29m
00:37AM-0.09m
1:45PM0.24m
1:25AM-0.00m
3:00PM0.17m
2:13AM0.09m
4:04PM0.10m
3:07AM0.18m
thunderstorm
thunderstorm
mod rain
mod rain
thunderstorm
light rain
thunderstorm
rain showers
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
part cloud
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:30
6:31
6:31
6:31
6:31
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:21
8:21
8:21
8:20
8:20
8:20
8:19
 mm
7
4
10
6
1
4
1
1
2
4
2
1
Temp °C
29
28
28
28
28
28
26
27
29
29
29
28
29
30
29
29
29
28
29
29
29
Feels °C
32
30
31
30
30
30
25
28
31
31
31
30
31
33
32
31
31
30
31
31
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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