Surf Forecasts:
Octagon House surf forecast from 19 Aug 2026:
- Most powerful swell: Sunday 23 Aug, 1AM (local time) - 3ft (0.9m), 4s period, SSW swell with 32 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 Sunday (Aug 23) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (CDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1AM (Sun 23rd 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 me level with you – we’re looking at a pretty bleak stretch ahead for Octagon House. The next couple of weeks are a write-off for any real surfing. The swell is tiny and weak, with combined energy barely cracking 45 (45) on the best day, which is nothing to write home about. The water is sitting around 87°, which is a touch warmer than normal for this time of year.
Starting from Tuesday the 18th of August, we’ve got waves around 1.0ft to 2ft coming from the south-east and south. The problem is, most of this period is plagued by a moderate cross-onshore wind that’s just chopping everything up. You do get a few cleaner moments, like on the morning of the 21st of August with a light cross-offshore breeze, and the morning of the 22nd of August with a light westerly. But even then, the swell is tiny and weak. The morning of the 26th of August offers a slightly better hope with the swell pushing 3ft and a clean cross-offshore breeze – that’s probably the pick of the bunch, but it’s still small and weak. By the end of the month, we’re down to dribbly 0.3ft to 1.0ft waves.
Honestly, there’s no standout day here. Nothing worth paddling out for. The waves are just too small and too weak across the board. If you’re desperate for a float on a foamie on a clean, tiny day, maybe try the morning of the 22nd of August, but don’t get your hopes up. The crowd factor is listed as “sometimes” here, but with surf this poor, you’ll likely have the place to yourself anyway.
This is just one of those blank runs you get in this area. Forecasts change, but for now, save the wax.
Rusty.
Short Range ForecastMostly dry. Warm (max 31°C on Fri morning, min 28°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 31°C on Sat morning, min 27°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||
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 9 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | SSW 4 | S 4 | SSW 4 | SW 5 | S 5 | S 4 | S 4 | S 4 | S 4 |
Wave Graph  | ||||||||||||||||||||
 kJ | 13 | 9 | 13 | 13 | 16 | 13 | 12 | 14 | 9 | 14 | 17 | 12 | 16 | 32 | 22 | 15 | 15 | 9 | 12 | 16 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-off | cross-on | cross | cross-off | cross-on | cross | cross | cross-on | cross-on | cross | cross-on | cross-on |
High Tide | 1:12AM0.36m | 3:11AM0.39m | 4:01AM0.41m | 4:44AM0.41m | 5:18AM0.41m | 5:36AM0.40m | ||||||||||||||
Low Tide | 4:33PM0.01m | 5:29PM-0.00m | 6:25PM-0.01m | 7:17PM-0.01m | 8:05PM-0.02m | 8:45PM-0.01m | ||||||||||||||
 |  |  | | | | | | | | | | | | | | | | | | |
 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — |
 | 7:57 | — | — | 7:55 | — | — | 7:54 | — | — | 7:53 | — | — | 7:52 | — | — | 7:52 | — | — | 7:51 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 29 | 30 | 30 | 28 | 30 | 30 | 29 | 31 | 30 | 28 | 31 | 30 | 28 | 30 | 30 | 28 | 30 | 30 | 28 |
Feels °C | 31 | 31 | 31 | 30 | 29 | 32 | 31 | 31 | 33 | 31 | 30 | 33 | 30 | 29 | 32 | 31 | 30 | 31 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | ESE 5 | SE 6 | SE 7 | SE 7 | ESE 6 | ESE 5 | SE 5 | SE 8 | S 4 | SE 5 | SE 6 | S 4 | SE 8 | SE 7 | S 5 | SE 8 | S 8 | SE 6 | SE 9 | SE 8 |
| kJ | 2 | 2 | 9 | 7 | 3 | 3 | 1 | 2 | 9 | 1 | 2 | 10 | 2 | 2 | 16 | 2 | 1 | 1 | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | — | — | S 10 | SE 9 | SE 8 | SE 8 | SE 5 | SE 8 | SE 8 | SE 6 | SE 7 | — | — | SE 8 | — | SE 8 | SE 9 | — |
| kJ | 13 | 3 | — | — | 2 | 3 | 3 | 3 | 5 | 2 | 3 | 1 | 2 | — | — | 2 | — | 2 | 3 | — |
Swell 3 Height (m) Direction Period (s) | S 6 | — | — | — | — | — | SE 6 | S 6 | SE 8 | — | — | — | S 8 | — | SE 8 | S 6 | — | S 9 | — | — |
| kJ | 1 | — | — | — | — | — | 2 | 1 | 2 | — | — | — | 1 | — | 2 | 1 | — | 2 | — | — |
Wind waves Height (m) Direction Period (s) | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | — | S 4 | S 4 | SSW 4 | S 4 | SSW 4 | SW 5 | S 5 | S 4 | S 4 | S 4 | S 4 |
| kJ | 2 | 9 | 13 | 13 | 16 | 13 | 12 | 14 | — | 14 | 17 | 12 | 16 | 32 | 22 | 15 | 15 | 9 | 12 | 16 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1291 | 1291 | 1296 | 1741 | 1291 | 1296 | 1395 | 1291 | 1296 | 1456 | 1324 | 1291 | 1295 | 1291 | 1296 | 1330 | 1291 | 1296 | 1331 | 1291 |
Best forecast wave conditions in Texas | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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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