Surf Forecasts:
Octagon House surf forecast from 15 Aug 2026:
- Most powerful swell: Saturday 15 Aug, 1AM (local time) - 3ft (0.9m), 5s period, SSE swell with 41 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 Saturday (Aug 15) 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 (Sat 15th Aug) | 3ft (0.9m) 5s |
Table - best surf conditions forecast for Octagon House over the next 16 days.
The Lowdown
G'day, I'm Rusty, and here's how it's looking for Octagon House over the next couple of weeks.
Honestly, mate, it's a grim stretch. The 16-day window is almost entirely a write-off, with a long gap of nothing worth paddling out for. The water temp is sitting at a touch warmer than normal for this time of year, around 87°, but that's about the only thing that's not a letdown.
The first real flicker of hope doesn't show up until Saturday, 29 August. The morning session is the only thing that gets a nod. We're looking at a clean 4ft swell from the SE, with a light offshore breeze from the NW. It's surfable, but the conditions are still described as very ordinary. The swell energy is weak (57), so don't expect much push. It's a small, clean window for the patient surfer, but that's about it. After that, it's back to onshore slop.
The rest of the fortnight is a total blank. There's no consistency, no standout days, and the wind is mostly cross or onshore, messing up any chance of decent waves. The setups just aren't there, and for this area, a dry run like this is more normal than you'd hope.
So, if you're desperate, pencil in the morning of the 29th, but keep your expectations low.
Rusty.
Short Range ForecastMostly dry. Warm (max 30°C on Fri morning, min 26°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 30°C on Mon morning, min 27°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||
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) | SE 5 | SSE 5 | SSE 5 | SSE 5 | SE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SE 5 | SSE 4 | SE 5 | SSE 10 | S 4 | S 4 | S 4 | S 4 | S 5 | S 5 | S 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 18 | 34 | 41 | 32 | 25 | 31 | 21 | 25 | 22 | 15 | 14 | 12 | 6 | 9 | 14 | 19 | 17 | 17 | 30 | 25 | 33 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | on | on | cross-on | glassy | on | cross-on | cross | on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:30PM0.34m | 7:10AM0.33m | 7:00PM0.32m | 7:23AM0.32m | 8:39PM0.31m | 7:31AM0.32m | 10:35PM0.33m | 7:24AM0.33m | 1:12AM0.36m | 3:11AM0.39m | |||||||||||
Low Tide | 12:05PM0.23m | 00:21AM0.06m | 1:00PM0.17m | 1:04AM0.15m | 1:54PM0.11m | 1:48AM0.23m | 2:46PM0.07m | 2:42AM0.30m | 3:39PM0.03m | 4:33PM0.01m | 5:29PM-0.00m | ||||||||||
 |  |  | | | | | | | | |  | | | | | | | | | | |
 | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | 8:00 | — | — | 8:00 | — | — | 7:59 | — | — | 7:58 | — | — | 7:57 | — | — | 7:55 | — | — | 7:54 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 30 | 29 | 29 | 29 | 28 | 29 | 29 | 28 | 30 | 30 | 28 | 30 | 29 | 28 | 29 | 30 | 28 | 29 | 30 | 28 |
Feels °C | 32 | 32 | 32 | 33 | 31 | 31 | 32 | 31 | 32 | 33 | 32 | 31 | 33 | 30 | 30 | 30 | 31 | 29 | 32 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | SE 5 | S 5 | — | SSE 5 | SE 6 | SSW 5 | SSE 6 | SSE 6 | — | SE 6 | SE 9 | SE 8 | SE 5 | SE 5 | SE 9 | SE 5 | SE 7 | SE 6 | SE 6 | SSE 7 | S 8 |
| kJ | 18 | 13 | — | 32 | 25 | 2 | 21 | 25 | — | 15 | 3 | 3 | 6 | 4 | 3 | 5 | 7 | 6 | 1 | 5 | 1 |
Swell 2 Height (m) Direction Period (s) | S 5 | — | — | SSW 5 | SSW 5 | — | SSW 5 | SSW 4 | — | — | S 5 | SE 12 | SE 8 | SSE 10 | SE 6 | — | — | SE 9 | SE 7 | SE 7 | — |
| kJ | 13 | — | — | 9 | 8 | — | 2 | 2 | — | — | 2 | 5 | 2 | 9 | 1 | — | — | 3 | 2 | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SSE 7 | — | — | — | — | — | SE 9 | — | SE 11 | S 6 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 5 | — | — | — | — | — | 3 | — | 4 | 1 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSE 5 | SSE 5 | — | SSE 5 | SE 6 | — | — | SSE 6 | — | SE 5 | SSE 4 | SSW 4 | SSW 3 | S 4 | S 4 | S 4 | S 4 | S 5 | S 5 | S 5 |
| kJ | — | 34 | 41 | — | 25 | 31 | — | — | 22 | — | 14 | 12 | 3 | 3 | 14 | 19 | 17 | 17 | 30 | 25 | 33 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1296 | 1395 | 1291 | 1296 | 1397 | 1291 | 1296 | 1346 | 1291 | 1296 | 1308 | 1291 | 1295 | 1331 | 1291 | 1296 | 1456 | 1291 | 1296 | 1399 | 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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