Surf Forecasts:
Octagon House surf forecast from 13 Aug 2026:
- Most powerful swell: Saturday 15 Aug, 7PM (local time) - 2.5ft (0.8m), 6s period, SSE swell with 51 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 6s and forecast to arrive on Saturday (Aug 15) at 7PM. 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 | 7PM (Sat 15th Aug) | 2.5ft (0.8m) 6s |
Table - best surf conditions forecast for Octagon House over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what the charts are telling us for the coming weeks.
Well, I gotta be straight with you – it’s looking like a pretty flat spell for the Octagon House (exposed to SE) area. We’ve got a long stretch of small, weak windswell and dicey winds ahead. There’s nothing that jumps out as a standout session in this entire 16-day window. The combined swell energy is weak, barely cracking 45 on the best days and dropping to single digits by the end, so we’re not dealing with any real power out of the water.
Let’s run through it. Starting on Thursday, August 13th, through the weekend, a persistent SSE windswell barely pushes 3 to 3 ft with a short, weak 5-second period. Onshore winds are the story here, with a moderate breeze making things choppy. Not worth paddling out for.
The pattern continues into the next week. August 16th Sunday morning does offer a brief moment of glassy conditions with a light WSW breeze, but the swell drops to just 2 ft with a 6-second period. It’s clean, but there’s no oomph behind it for a proper ride. Later that week, on the 18th, the swell period bumps up to 10 seconds on a tiny 0.7 ft wave – that’s a long wait for nothing.
The second week is more of the same. From the 22nd of August onwards, we’ve got tiny surf in the 0.7 ft to 2 ft range. Even when it goes glassy again on the morning of August 23rd, it’s only 2 ft of weak SSE windswell. The combined energy is pitiful, mostly in the teens. By the end of the month, August 28th Friday morning, we see the swell trying to pick up to 3 ft with glassy conditions, but it’s still that same short-period SSE slop with energy at only 34. It’s clean, but it’s just not enough push to get you excited.
Honestly, for the foreseeable future, this setup looks more suited for a longboard cruise if you’re desperate, or maybe a kite session if the wind is blowing. There’s no real surfable energy on offer.
Rusty, signing off.
Short Range ForecastMostly dry. Warm (max 30°C on Thu morning, min 27°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 30°C on Sun morning, min 27°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||
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 | SSE 5 | SSE 5 | SE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SSE 5 | SSE 5 | S 4 | S 4 | S 4 | S 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 37 | 37 | 46 | 23 | 36 | 41 | 37 | 47 | 46 | 29 | 33 | 23 | 21 | 17 | 6 | 10 | 9 | 15 | 13 | 13 | 21 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | on | cross-on | glassy | on | cross-on | cross-off | cross-on | cross-on | cross | cross-on | cross-on | cross | cross-on | cross-on |
High Tide | 4:08PM0.37m | 6:53AM0.34m | 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 | 11:10AM0.29m | 11:36PM-0.02m | 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 | |||||||||
 | |  |  | |  | | | | | | | | | | | | | | | | |
 | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | 8:01 | — | — | 8:00 | — | — | 8:00 | — | — | 7:59 | — | — | 7:58 | — | — | 7:57 | — | — | 7:55 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 30 | 28 | 30 | 30 | 29 | 29 | 29 | 28 | 30 | 30 | 28 | 30 | 30 | 28 | 30 | 30 | 28 | 30 | 30 | 28 |
Feels °C | 33 | 32 | 29 | 31 | 32 | 32 | 31 | 31 | 30 | 33 | 32 | 31 | 33 | 32 | 31 | 32 | 31 | 31 | 30 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SE 8 | ESE 8 | — | S 5 | S 5 | — | SSE 5 | SSE 6 | — | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 10 | SE 6 | SSE 5 | SSE 9 | SE 9 | ESE 5 | SE 6 | ESE 6 |
| kJ | 2 | 6 | — | 13 | 13 | — | 37 | 47 | — | 29 | 33 | 23 | 21 | 4 | 5 | 10 | 9 | 3 | 3 | 5 | 3 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SE 5 | — | — | SW 5 | — | — | — | — | — | — | SE 11 | SE 10 | SSE 10 | S 5 | ESE 5 | SE 8 | — | SE 9 |
| kJ | — | — | — | 23 | — | — | 6 | — | — | — | — | — | — | 4 | 4 | 10 | 1 | 2 | 2 | — | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 10 | — | — | S 5 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — | 1 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 5 | SSE 5 | SSE 5 | — | SSE 5 | SSE 5 | — | — | SSE 6 | — | — | — | — | SSE 6 | S 3 | — | SSE 5 | S 4 | S 4 | S 4 | S 4 |
| kJ | 37 | 37 | 46 | — | 36 | 41 | — | — | 46 | — | — | — | — | 17 | 6 | — | 9 | 15 | 13 | 13 | 21 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1296 | 1395 | 1291 | 1296 | 1395 | 1291 | 1296 | 1395 | 1291 | 1296 | 1331 | 1291 | 1296 | 1410 | 1291 | 1296 | 1330 | 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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