Surf Forecasts:
Octagon House surf forecast from 7 Aug 2026:
- Most powerful swell: Thursday 13 Aug, 1AM (local time) - 3ft (0.9m), 5s period, SSE swell with 46 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 5s and forecast to arrive on Thursday (Aug 13) 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 13th Aug) | 3ft (0.9m) 5s |
Table - best surf conditions forecast for Octagon House over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s get real about the next couple of weeks. We’re looking at a pretty grim stretch, to be honest. The water’s sitting at a warm 86° which is about a degree above normal for this time of year, so at least you won’t be cold while you’re staring at flat, messy lines.
The outlook kicks off on Friday, August 7th, and honestly, it’s a write-off from the get-go. We’ve got a tiny 2 ft swell from the SSE with a short, weak 5-second period, and it’s being blown out by onshore winds. The combined wave energy is barely a whisper at 17. That’s “poor surf conditions” straight through the weekend. Saturday and Sunday are the same story – we’re talking 1 ft to 2 ft of slop, all onshore, all messy. Don’t bother paddling out.
The whole first week, right through to August 21st, is a brutal run of the same thing. The swell bumps up a tiny bit here and there – a 3 ft or 3 ft day – but it’s always accompanied by a cross-onshore wind. The period stays stuck at 5 or 6 seconds, so it’s just weak, wind-affected chop. The combined energy never gets out of double digits, usually hanging around 30 to 50. It’s a wasteland.
The only glimmer in the whole 16-day window shows up on Saturday, August 22nd. That morning, we finally get a break. The wind drops to glassy, and that is a massive, massive positive. The swell is still nothing to write home about – 3 ft from the SSE with a 6-second period – but the combined energy is at 57, which is the highest we’ve seen. The report says "surfable waves but very ordinary conditions." For this stretch, that’s the best on offer. The water will be clean, but you’ll be fighting for weak, short-period waves.
That’s your one and only window. A glassy morning at Octagon House. It's a beginner-friendly spot that’s fairly consistent and exposed to the SE, so it’ll catch whatever little bit of energy is out there. The crowds can be an issue sometimes, but if you’re there on that Saturday morning, you’ll have the best shot at a clean wave in a fortnight. By Saturday afternoon, the wind swings back onshore, and it’s back to square one.
So, a long, dry gap with one morning that might just be worth a look. Keep your eyes on the forecasts, but right now, don’t get your hopes up.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Fri morning. Warm (max 30°C on Fri morning, min 28°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummarySome drizzle, heaviest during Mon morning. Warm (max 30°C on Mon morning, min 28°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | |||||||||||||||
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) | SSE 5 | SE 5 | SE 6 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SSE 5 | SSE 4 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | S 5 | SSE 5 | SSE 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 13 | 10 | 18 | 9 | 8 | 15 | 16 | 22 | 29 | 19 | 15 | 18 | 14 | 14 | 24 | 22 | 34 | 46 | 24 | 26 | 29 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:05AM0.42m | 4:44AM0.43m | 5:20AM0.43m | 5:49AM0.41m | 1:22PM0.40m | 6:14AM0.39m | 2:48PM0.39m | 6:35AM0.36m | 4:08PM0.37m | ||||||||||||
Low Tide | 6:04PM-0.12m | 7:07PM-0.15m | 8:08PM-0.16m | 9:40AM0.40m | 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 | ||||||||||
 |  |  | | | | | | | |  |  | | | | | | | | | | |
 | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — | 6:46 | — | — | 6:47 | — | — | 6:47 | — | — |
 | — | 8:07 | — | — | 8:06 | — | — | 8:06 | — | — | 8:05 | — | — | 8:04 | — | — | 8:02 | — | — | 8:01 | — |
mm | 2 | — | — | — | — | — | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 29 | 28 | 30 | 30 | 29 | 30 | 30 | 28 | 30 | 29 | 28 | 30 | 30 | 28 | 30 | 30 | 28 | 30 | 30 | 28 |
Feels °C | 32 | 31 | 30 | 32 | 32 | 32 | 32 | 32 | 30 | 33 | 31 | 31 | 32 | 32 | 31 | 32 | 31 | 30 | 32 | 32 | 30 |
Swell 1 Height (m) Direction Period (s) | SSE 5 | SE 8 | — | SE 5 | SE 8 | SE 8 | SE 5 | — | — | SE 5 | — | S 9 | SSE 5 | SE 7 | SE 9 | SE 5 | — | SE 10 | ESE 6 | SE 7 | — |
| kJ | 13 | 3 | — | 9 | 3 | 3 | 16 | — | — | 19 | — | 1 | 14 | 2 | 3 | 14 | — | 4 | 13 | 2 | — |
Swell 2 Height (m) Direction Period (s) | SE 8 | S 5 | SE 8 | SE 8 | — | — | — | — | — | — | SE 9 | — | SE 8 | SE 9 | — | — | — | S 10 | SE 8 | SE 6 | — |
| kJ | 3 | 1 | 3 | 3 | — | — | — | — | — | — | 3 | — | 3 | 3 | — | — | — | 2 | 2 | 16 | — |
Swell 3 Height (m) Direction Period (s) | S 5 | S 7 | — | S 5 | — | — | — | — | — | — | — | — | SE 10 | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | 4 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SE 5 | SE 6 | — | SE 5 | SE 5 | — | SE 5 | SE 5 | — | SSE 5 | SSE 4 | — | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | S 5 | SSE 5 | SSE 4 |
| kJ | — | 10 | 18 | — | 8 | 15 | — | 22 | 29 | — | 15 | 18 | — | 14 | 24 | 22 | 34 | 46 | 24 | 26 | 29 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1296 | 1395 | 1291 | 1331 | 1303 | 1291 | 1296 | 1310 | 1291 | 1296 | 1397 | 1291 | 1291 | 1324 | 1291 | 1296 | 1395 | 1291 | 1296 | 1324 | 1291 |
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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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