Surf Forecasts:
Octagon House surf forecast from 11 Aug 2026:
- Most powerful swell: Friday 14 Aug, 7PM (local time) - 3ft (0.9m), 6s period, SSE swell with 59 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 0.9m 6s and forecast to arrive on Friday (Aug 14) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (CDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7PM (Fri 14th Aug) | 3ft (0.9m) 6s |
Table - best surf conditions forecast for Octagon House over the next 16 days.
The Lowdown
Alright folks, Rusty here with a look at what’s coming our way.
Honestly, it’s a grim stretch for Octagon House. Right now and for a good long while, we’re looking at a run of flat, choppy, or just plain messy conditions. The surf is tiny, and when there’s any energy at all, the wind is all over it. From Monday the 10th of August right through well into the following week, it’s all "poor surf conditions" with nothing worth paddling out for. There are a couple of mornings where it goes glassy, but the swell is so weak, it’s barely a ripple. The combined swell energy barely scratches double digits, peaking at a measly 51 on the 14th, which is still just weak, weak energy.
You’re looking at a solid two-week gap here with no real quality on offer. The water temp is around 86°F, which is about a degree warmer than average for this time of year. Not that it matters much when you’re sitting on a flat board.
The only thing even worth a mention is the morning of Sunday the 16th of August. We get some 2ft of 6-second wind swell from the SSE, but the wind goes glassy (3 mph from the W). That’s your one chance for clean, smooth water. But the combined swell energy is only 29, so it’s going to be small and weak. It’s a beginner-friendly wave, but you’ll be fighting for tiny lumps. The morning of Tuesday the 18th also goes glassy, but the swell is even smaller at 2ft. After that, it’s back to the doldrums.
The best of a bad bunch is that Sunday the 16th. It’s not a standout in any real sense, but if you’re desperate for a splash and a clean surface, that’s your window. The crowd factor is "sometimes" at Octagon, so you might have a few mates out, but with surf this small, it won’t be a circus.
It’s a long flat spell. Forecasts can change, but right now, don’t get your hopes up.
Rusty.
Short Range ForecastMostly dry. Warm (max 30°C on Tue afternoon, min 28°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 30°C on Thu afternoon, min 27°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||||
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 5 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | S 4 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 6 | SSE 6 | SSE 5 | SSE 5 | SE 6 | SSE 6 | SSE 6 | SSE 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 11 | 16 | 15 | 16 | 14 | 15 | 28 | 35 | 35 | 46 | 49 | 46 | 51 | 55 | 37 | 26 | 37 | 29 | 34 | 32 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | on | cross-on | glassy | on | cross-on |
High Tide | 5:49AM0.41m | 1:22PM0.40m | 6:14AM0.39m | 2:48PM0.39m | 6:35AM0.36m | 4:08PM0.37m | 6:53AM0.34m | 5:30PM0.34m | 7:10AM0.33m | 7:00PM0.32m | 7:23AM0.32m | 8:39PM0.31m | ||||||||
Low Tide | 9:05PM-0.16m | 9:41AM0.38m | 9:59PM-0.13m | 10:20AM0.34m | 10:50PM-0.09m | 11:10AM0.29m | 11:36PM-0.02m | 12:05PM0.23m | 00:21AM0.06m | 1:00PM0.17m | 1:04AM0.15m | 1:54PM0.11m | 1:48AM0.23m | |||||||
 |  |  | | | | | | | | | | | | | | | | | | |
 | — | — | 6:46 | — | — | 6:47 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — |
 | 8:05 | — | — | 8:04 | — | — | 8:02 | — | — | 8:01 | — | — | 8:00 | — | — | 8:00 | — | — | 7:59 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 29 | 29 | 30 | 28 | 30 | 30 | 28 | 30 | 30 | 28 | 30 | 30 | 29 | 29 | 30 | 28 | 30 | 30 | 29 |
Feels °C | 32 | 31 | 32 | 32 | 31 | 31 | 31 | 30 | 32 | 31 | 30 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SE 5 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | — | — | — | — | SSW 5 | SSE 5 | SSE 7 | SSW 5 | SSE 6 | SSE 6 | — |
| kJ | 11 | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 2 | — | — | — | — | 2 | 37 | 20 | 2 | 29 | 34 | — |
Swell 2 Height (m) Direction Period (s) | — | — | SE 10 | S 9 | — | — | SE 6 | S 10 | ESE 6 | — | — | — | — | — | SW 5 | SW 5 | — | — | — | — |
| kJ | — | — | 4 | 2 | — | — | 2 | 2 | 3 | — | — | — | — | — | 5 | 3 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 8 | — | SE 10 | S 11 | — | — | — | — | — | — | — | — | — | — | SSE 8 | — | — | — | — | — |
| kJ | 2 | — | 4 | 2 | — | — | — | — | — | — | — | — | — | — | 6 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSE 4 | SSE 4 | SSE 4 | SSE 4 | S 4 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 6 | SSE 6 | — | SSE 5 | SE 6 | — | — | SSE 6 |
| kJ | — | 16 | 15 | 16 | 14 | 15 | 28 | 35 | 35 | 46 | 49 | 46 | 51 | 55 | — | 26 | 37 | — | — | 32 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1395 | 1291 | 1296 | 1456 | 1291 | 1296 | 1395 | 1291 | 1296 | 1395 | 1291 | 1296 | 1330 | 1291 | 1296 | 1395 | 1291 | 1296 | 1331 | 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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