Surf Forecasts:
Octagon House surf forecast from 21 Aug 2026:
- Most powerful swell: Thursday 27 Aug, 1AM (local time) - 3ft (0.9m), 4s period, S swell with 28 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 4s and forecast to arrive on Thursday (Aug 27) at 1AM. 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 | 1AM (Thu 27th Aug) | 3ft (0.9m) 4s |
Table - best surf conditions forecast for Octagon House over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's get straight into what we're working with in the Octagon region.
Right off the bat, I gotta be honest with you – this forecast is a tough one. We're looking at a solid 16-day window with no surf worth paddling out for. The swell is tiny, the period is short, and the wind is mostly cross or onshore, leaving the ocean flat and messy. The water temp is sitting at 87°F, which is a touch warmer than usual for this time of year, so that's a bit different, but it doesn't make up for the lack of waves.
From Friday, August 21 right through to Saturday, September 5, every single session at Octagon House is rated as poor. The swell height barely creeps above 2 ft, with periods hanging around 4 to 6 seconds – that's just wind chop, not real groundswell. The combined energy stays weak, mostly in the single or low double digits (like 14 to 68), so there's no power behind it at all. Winds are predominantly cross-on or onshore, which means choppy, lumpy conditions. The occasional light breeze on a Saturday morning (August 22) gives a short window of cross-offshore wind that cleans things up a bit, but with only 2 ft on offer and a 4-second period, it's barely a ripple.
For beginners, this is a total write-off – nothing over 5 ft, sure, but it's just too small and weak to even practice on. For anyone else, it's a frustrating stretch. The consistent lack of decent surf is a real downer, but this kind of flat run can happen in the area. Hang in there, forecasts can change, but for now, I'd say leave the boards at home and maybe find something else to do.
Rusty, signing off.
Short Range ForecastMostly dry. Warm (max 31°C on Fri morning, min 27°C on Fri 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 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||
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) | SSW 4 | S 4 | SSW 4 | SSW 4 | S 4 | SSW 4 | SSW 4 | SSW 4 | S 4 | SSW 4 | S 3 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 5 | 9 | 11 | 6 | 6 | 12 | 6 | 6 | 7 | 3 | 3 | 9 | 7 | 7 | 22 | 14 | 10 | 28 | 19 | 18 | 28 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-off | cross-on | cross | cross | cross-on | cross-on | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on |
High Tide | 4:44AM0.41m | 5:18AM0.41m | 5:36AM0.40m | 5:38AM0.39m | 5:40AM0.38m | 1:45PM0.37m | 5:47AM0.38m | 2:53PM0.37m | |||||||||||||
Low Tide | 6:25PM-0.01m | 7:17PM-0.01m | 8:05PM-0.02m | 8:45PM-0.01m | 10:07AM0.37m | 9:21PM-0.00m | 9:50AM0.35m | 9:53PM0.02m | 10:15AM0.32m | 10:24PM0.05m | |||||||||||
 |  |  | | | | | | | | | | | | | | | | | | | |
 | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 7:53 | — | — | 7:52 | — | — | 7:52 | — | — | 7:51 | — | — | 7:50 | — | — | 7:49 | — | — | 7:47 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 31 | 30 | 29 | 31 | 30 | 28 | 30 | 30 | 28 | 30 | 30 | 28 | 30 | 29 | 28 | 30 | 30 | 28 | 30 | 30 | 28 |
Feels °C | 34 | 32 | 31 | 33 | 31 | 28 | 32 | 31 | 30 | 32 | 31 | 29 | 31 | 29 | 28 | 32 | 31 | 30 | 31 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | SE 5 | SE 7 | SE 5 | SSW 4 | SE 7 | SE 7 | SSW 4 | SE 8 | SE 8 | SE 9 | SE 9 | SE 8 | SE 9 | SE 8 | SE 8 | S 4 | SE 8 | SE 8 | S 8 | SE 8 | SE 6 |
| kJ | 1 | 2 | 1 | 6 | 2 | 2 | 6 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 14 | 3 | 2 | 1 | 2 | 1 |
Swell 2 Height (m) Direction Period (s) | SE 7 | — | SE 7 | SE 6 | S 5 | S 6 | SE 7 | — | — | S 5 | — | SE 10 | — | SE 5 | — | SE 8 | — | — | S 8 | — | — |
| kJ | 2 | — | 2 | 1 | 1 | 1 | 2 | — | — | 1 | — | 4 | — | 1 | — | 3 | — | — | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 8 | — | — | — | — | — | S 9 | S 5 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 1 | — | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 4 | S 4 | SSW 4 | — | S 4 | SSW 4 | — | SSW 4 | S 4 | SSW 4 | S 3 | S 4 | S 4 | S 4 | S 4 | SW 5 | S 4 | S 4 | S 4 | S 4 | S 4 |
| kJ | 5 | 9 | 11 | — | 6 | 12 | — | 6 | 7 | 2 | 3 | 9 | 7 | 7 | 22 | 7 | 10 | 28 | 19 | 18 | 28 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1296 | 1386 | 1291 | 1296 | 1397 | 1291 | 1296 | 1334 | 1291 | 1296 | 1295 | 1291 | 1296 | 1301 | 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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