Surf Forecasts:
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 Type | Time (CDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10PM (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 ForecastModerate 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 SummaryLight 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 | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SE 9 | SSE 3 | SE 9 | S 4 | ESE 5 | E 5 | S 4 | SSE 4 | SE 4 | SSW 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SE 4 | SE 4 | SE 4 |
Wave Graph  | ||||||||||||||||||||
 kJ | 3 | 3 | 3 | 3 | 6 | 8 | 9 | 14 | 5 | 6 | 11 | 6 | 6 | 7 | 6 | 6 | 8 | 5 | 7 | 5 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | ||||||||||
 |  |  | |  | | | | | | | | | | | |  | | | | |
 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — |
 | 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 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 8 | S 3 | S 4 | ESE 5 | E 5 | E 5 | SE 8 | SE 4 | ESE 4 | SE 5 | SSE 4 | SE 8 | SE 7 | SSE 4 | E 7 | — | SE 4 | SE 4 | S 6 |
| kJ | 3 | 3 | 1 | 1 | 6 | 8 | 2 | 2 | 5 | 1 | 1 | 6 | 2 | 2 | 6 | 1 | — | 5 | 5 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | SE 9 | SE 8 | S 4 | SSW 4 | SE 8 | — | SE 8 | SE 8 | SE 7 | SE 7 | — | S 6 | — | E 7 | — | — | — | — |
| kJ | — | — | 3 | 3 | 1 | 3 | 2 | — | 2 | 2 | 2 | 2 | — | 1 | — | 1 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SE 8 | SE 8 | SE 8 | — | — | E 5 | S 6 | S 6 | — | — | S 6 | — | — | — | — | — |
| kJ | — | — | — | — | 3 | 2 | 2 | — | — | 1 | 1 | 1 | — | — | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 3 | SSE 3 | — | — | — | — | S 4 | SSE 4 | SSW 4 | SSW 4 | SSE 4 | — | SSE 4 | SSE 4 | — | SSE 4 | SSE 4 | — | SE 4 | SE 4 |
| kJ | 1 | 1 | — | — | — | — | 9 | 14 | 3 | 6 | 11 | — | 6 | 7 | — | 6 | 8 | — | 7 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1395 | 1291 | 1296 | 1395 | 1291 | 1295 | 1395 | 1291 | 1296 | 1339 | 1291 | 1295 | 1331 | 1291 | 1296 | 1330 | 1291 | 1296 | 1399 | 1291 |
Best forecast wave conditions in Texas | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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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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