Surf Forecasts:
Octagon House surf forecast from 28 Aug 2026:
- Most powerful swell: Thursday 3 Sep, 1AM (local time) - 2.5ft (0.8m), 5s period, SE swell with 30 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 0.8m 5s and forecast to arrive on Thursday (Sep 03) at 1AM. 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 | 1AM (Thu 3rd Sep) | 2.5ft (0.8m) 5s |
Table - best surf conditions forecast for Octagon House over the next 16 days.
The Lowdown
Alright, Rusty here again. Let's break down this 16-day stretch for Octagon House, but in feet and miles per hour this time.
To be honest, this forecast is looking like a long, slow grind. We've got a really quiet start. Through the end of August and into the first few days of September, we're looking at barely a ripple. Swell heights are tiny, mostly under 2 feet, coming from the southeast. The wave energy is weak (4 to 25), and the wind is often onshore. The water temp is a warm 87°, just a touch above normal for the season. But for surfing? It's a total blank.
We do see a bit of a pulse around the 8th of September, a Tuesday. The swell bumps up to about 5 to 6 feet from the south-southeast, with the wave energy hitting a moderate 309. That's the biggest swell of the whole outlook. The problem is the period is short, around 7 seconds, and the wind is blowing directly onshore from the southeast at 9 to 12 mph. That's going to make for a real sloppy, blown-out mess. For the experts, it might be something, but the conditions are poor.
The one small window that might be worth checking out is on the morning of Friday, September 11th. We've got a cleaner 4 to 4 foot southeast swell with a light, 6 mph cross-shore breeze from the southwest. The energy is moderate (80), and that wind should clean it up a bit. It's not going to be world-class, but it's probably the most surfable session in the entire run. The afternoon gets choppy again as the wind strengthens.
So, the bottom line is: the first week is a flat, windy wasteland. The second week brings a short-period, onshore swell that's not great, but the morning of the 11th is your best bet for a few clean-ish waves. It's a lean outlook, for sure.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Fri morning. Warm (max 30°C on Fri afternoon, min 27°C on Fri morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Tue morning. Warm (max 30°C on Mon morning, min 28°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | |||||||||||||||
AM | 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) | S 3 | SE 8 | S 10 | SE 8 | SE 9 | SE 8 | SE 9 | SE 9 | SE 8 | SE 9 | S 4 | SSE 3 | SSE 5 | SSE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 17 | 22 | 25 | 19 | 16 | 30 | 21 | 21 | 24 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | on | cross | glassy | on | cross-on | cross-on | on | cross-on | cross-on | on | on | cross-on | on | on | on | on | on | on | on | on |
High Tide | 4:02PM0.36m | 6:04AM0.36m | 5:18PM0.35m | 6:09AM0.36m | 6:39PM0.35m | 6:10AM0.36m | 8:09PM0.36m | 6:02AM0.37m | 9:48PM0.39m | 5:42AM0.39m | 11:43PM0.42m | 5:14AM0.42m | |||||||||
Low Tide | 10:49AM0.28m | 10:55PM0.09m | 11:26AM0.23m | 11:28PM0.15m | 12:04PM0.17m | 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 | ||||||||
 |  |  | | | | | | | | | | | | | | | | | | | |
 | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — |
 | — | 7:46 | — | — | 7:45 | — | — | 7:44 | — | — | 7:43 | — | — | 7:42 | — | — | 7:40 | — | — | 7:39 | — |
mm | 1 | — | — | — | — | — | 1 | — | — | 1 | — | — | 2 | — | — | — | — | — | — | — | — |
Temp °C | 29 | 30 | 28 | 30 | 30 | 29 | 30 | 30 | 28 | 30 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 28 | 30 | 29 | 28 |
Feels °C | 32 | 32 | 29 | 32 | 31 | 31 | 32 | 32 | 30 | 32 | 31 | 32 | 32 | 31 | 32 | 32 | 32 | 30 | 33 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | S 3 | SE 8 | SE 8 | SE 8 | SE 9 | SE 8 | SE 9 | SE 9 | SE 8 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 5 | SW 4 | — | SE 5 | — | — |
| kJ | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 19 | 1 | — | 21 | — | — |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 8 | — | — | — | — | — | — | — | S 6 | — | S 6 | — | — | — | SE 8 | — | — | — | — | — |
| kJ | 2 | 2 | — | — | — | — | — | — | — | 1 | — | 1 | — | — | — | 3 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | S 10 | — | — | — | SE 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 2 | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | S 3 | S 4 | — | — | SSE 2 | — | — | S 2 | S 3 | S 4 | SSE 3 | SSE 5 | SSE 5 | SE 5 | — | SE 5 | SE 5 | — | SE 5 | SE 5 |
| kJ | — | 1 | 1 | — | — | 1 | — | — | 1 | 2 | 2 | 3 | 17 | 22 | 25 | — | 16 | 30 | — | 21 | 24 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1296 | 1395 | 1291 | 1296 | 1389 | 1291 | 1296 | 1395 | 1291 | 1296 | 1395 | 1291 | 1296 | 1385 | 1291 | 1296 | 1397 | 1291 | 1296 | 1393 | 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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