Surf Forecasts:
Octagon House surf forecast from 4 Sep 2026:
- Most powerful swell: Thursday 10 Sep, 1AM (local time) - 2.5ft (0.8m), 5s period, SE swell with 31 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 10) 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 10th Sep) | 2.5ft (0.8m) 5s |
Table - best surf conditions forecast for Octagon House over the next 16 days.
The Lowdown
Alright, let’s talk about Octagon House. I’ve looked at the charts for the next couple of weeks and, honestly, it’s a bit of a quiet stretch. We’re starting off with some real small, short-period junk, nothing that’s going to get the heart racing. The first few days we’ve got waves in the ankle to knee-high range, mostly from the south-southeast. The swell energy is weak, sitting in the low double digits like 11 or 10 (combined energy). The wind is mostly onshore or cross-onshore, with some glassy windows early in the mornings before it chops up. The water temp is 87°, which is a touch warmer than normal for this time of year—by about 3°, so you can leave the booties at home.
The first real window of anything that might get you out is around the 13th and 14th of September. Swell bumps up a little to around 3ft to 3ft with a bit more energy—34 to 79 on the combined scale. Still, it’s short-period stuff, 5-6 seconds, so it’s not going to have much push. The wind is mostly onshore, so it won’t be clean. Probably more of a push-glide day than a paddle-out and get barreled day.
There’s a morning on the 15th that’s glassy, but the swell drops back to 2ft with 6-second period, so it’s mushy and weak. Again, fine if you just need to get wet, but don’t expect much.
Then we go into a bit of a lull again heading into the 17th and 18th, with waves dropping to 0.7ft. That's pretty much flat. If you’re desperate, you might find a knee-high dribbler but it’s not worth the drive.
Around the 19th of September, we get a bit of a bump—2ft to 3ft, with the swell direction swinging to the southeast and south-east. The energy picks up to 20-31, but it's still short-period, 4-5 seconds, and the wind is cross-shore from the northeast at 16 mph. That’s going to chop it up. Honestly, that one looks more interesting for a kite surfer than a paddle surfer.
Overall, nothing here is a standout. Octagon House is a fairly consistent break in terms of waves showing up, but the size and quality just aren’t there in this 16-day window. It’ll stay like this for a while, but these dry spells don’t usually last forever. Forecasts change, and this area can turn on quick. But for the next couple of weeks, keep your expectations low and maybe work on your pop-up in the living room.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Fri morning. Warm (max 30°C on Fri morning, min 27°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 30°C on Mon morning, min 28°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | |||||||||||||||
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 4 | SSE 4 | SSE 4 | S 4 | S 4 | S 4 | S 4 | S 4 | S 7 | SSE 6 | SSE 5 | SSE 3 | SSE 6 | SSE 5 | SSE 4 | SSE 5 | SSE 5 | SE 5 | SE 5 | SE 5 | SE 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 9 | 6 | 6 | 3 | 1 | 1 | 1 | 3 | 1 | 6 | 5 | 3 | 10 | 10 | 15 | 14 | 18 | 31 | 13 | 13 | 19 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | glassy | on | cross-on | glassy | on | cross-on | glassy | on | cross-on | on | on | cross-on | on | on | on | glassy | cross-on | cross |
High Tide | 3:43AM0.47m | 4:03AM0.48m | 4:22AM0.46m | 4:39AM0.45m | 4:53AM0.42m | 2:20PM0.43m | 5:07AM0.41m | 3:41PM0.43m | |||||||||||||
Low Tide | 4:36PM-0.03m | 5:50PM-0.04m | 7:02PM-0.04m | 8:06PM-0.03m | 9:09AM0.41m | 9:04PM-0.00m | 9:36AM0.36m | 9:55PM0.05m | 10:14AM0.30m | 10:41PM0.11m | |||||||||||
 |  |  | | |  | | | | | | | | | | | | |  | | | |
 | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — | 7:00 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — |
 | — | 7:38 | — | — | 7:37 | — | — | 7:36 | — | — | 7:35 | — | — | 7:34 | — | — | 7:32 | — | — | 7:31 | — |
mm | 1 | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 30 | 29 | 29 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 28 | 30 | 30 | 28 | 30 | 30 | 28 |
Feels °C | 32 | 31 | 32 | 33 | 33 | 32 | 33 | 32 | 32 | 33 | 32 | 32 | 33 | 32 | 30 | 32 | 32 | 31 | 32 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | S 4 | SE 7 | E 7 | S 4 | S 4 | — | S 4 | E 7 | S 7 | SSE 6 | — | S 6 | SSE 6 | SE 8 | SE 7 | SSE 5 | SE 8 | SE 8 | SE 5 | SE 5 | — |
| kJ | 9 | 2 | 1 | 3 | 1 | — | 1 | 1 | 1 | 6 | — | 1 | 10 | 2 | 2 | 14 | 2 | 2 | 13 | 13 | — |
Swell 2 Height (m) Direction Period (s) | SE 7 | SE 7 | — | — | E 6 | — | E 7 | — | — | SSW 3 | — | SE 8 | SE 8 | — | — | SE 7 | SE 8 | — | SE 8 | SSE 7 | — |
| kJ | 2 | 2 | — | — | 1 | — | 1 | — | — | 1 | — | 2 | 2 | — | — | 2 | 2 | — | 3 | 5 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SSE 3 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSE 4 | SSE 4 | — | — | S 4 | S 3 | S 4 | S 2 | — | SSE 5 | SSE 3 | — | SSE 5 | SSE 4 | — | SSE 5 | SE 5 | — | — | SE 6 |
| kJ | — | 6 | 6 | — | — | 1 | 1 | 3 | 1 | — | 5 | 3 | — | 10 | 15 | — | 18 | 31 | — | — | 19 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1296 | 1395 | 1291 | 1296 | 1395 | 1291 | 1296 | 1397 | 1291 | 1296 | 1385 | 1291 | 1296 | 1356 | 1291 | 1296 | 1397 | 1291 | 1291 | 1295 | 257 |
Best forecast wave conditions in Texas | |||||||||||||||||||||
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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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