Surf Forecasts:
Octagon House surf forecast from 21 Jul 2026:
- Best quality surf: Thursday 23 Jul, 4AM (local time) - 3ft (0.9m), 5s period, SW swell with cross-offshore winds.
- Most powerful swell: Thursday 23 Jul, 4AM (local time) - 3ft (0.9m), 5s period, SW swell with 42 kJ wave energy.
- Next surfable swell (1★+): Thursday 23 Jul, 4AM (local time) - 3ft (0.9m), 5s period with SW swell.
Best Forecast Surf Conditions for Octagon House this week:
The surf forecast for Octagon House over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 23) at 4AM. The primary swell is predicted to be 0.9m and 5s period with a secondary swell of 0.7m and 5s. Another secondary swell of 0.1m and 9s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Octagon House in the next 16 days are 0.9m 5s and forecast to arrive on Thursday (Jul 23) at 4AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Tuesday (Jul 21) at 7AM.
| Wave Type | Time (CDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Thu 23rd Jul) | 3ft (0.9m) 5s |
| Best Surf | 4AM (Thu 23rd Jul) | 3ft (0.9m) 5s |
| Most Powerful | 4AM (Thu 23rd Jul) | 3ft (0.9m) 5s |
Table - best surf conditions forecast for Octagon House over the next 16 days.
The Lowdown
Alright, let’s have a look at what’s on offer over the next couple of weeks.
Honestly, it’s a tough run. We’re looking at a long stretch of flat to near-flat conditions. The first surfable day doesn’t show up until Monday the 20th, and even then it’s barely a tickle. The whole 16-day window is a persistent run of poor surf, so don’t expect much.
The only spot that’s even worth mentioning is Octagon House. It’s a beginner-friendly, fairly consistent break that’s exposed to the southeast. The water temperature is sitting at 86° – that’s about average for this time of year, nothing wild.
The first real glimmer – and I’m being generous – is on Thursday morning, July 23rd. The swell is just 2 ft from the SSW, with a period of 5 seconds. That’s short-period, small stuff. But the wind is glassy, which is a big positive. The combined energy is weak, at just 17. It’s clean, but tiny. Not a standout, just the least bad option.
The next tiny peak comes around Saturday morning, July 25th. Swell picks up a touch to 3 ft from the south, still a short 5-second period. The combined energy climbs to 44 – still weak, but it’s the most we see all window. Winds are light cross-onshore, so it’ll be a bit bumpy, but at least there’s a little push.
After that, it’s more of the same – small southerly pulses, never breaking 3 ft, and winds mostly cross to cross-onshore. The best of a bad bunch is probably Saturday morning, August 1st, with 3 ft from the south, 5-second period, and combined energy of 47. Still weak, but it’s the highest energy reading in the whole outlook.
Overall, there’s no real standout. The entire period is a struggle for anyone looking for a proper wave. The swell is tiny, the period is short, and the wind is rarely clean. If you’re desperate, the 23rd morning is the cleanest, and the 25th morning has the most size. But honestly, this is a good time to tune up the board and wait for the next proper swell.
Rusty.
Short Range ForecastMostly dry. Warm (max 34°C on Wed afternoon, min 26°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 8mm), mostly falling on Thu afternoon. Warm (max 30°C on Fri morning, min 27°C on Thu afternoon). Wind will be generally light. | |||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | ||||||||||||||
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 | SSW 4 | SSW 4 | SSW 4 | SW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 4 | SSW 4 | S 5 | S 4 | S 5 | SSE 5 | SSE 5 | S 4 | S 5 | SSE 4 |
Wave Graph  | ||||||||||||||||||||
 kJ | 5 | 7 | 6 | 6 | 18 | 13 | 14 | 29 | 14 | 14 | 21 | 8 | 16 | 17 | 39 | 26 | 22 | 20 | 21 | 21 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross-on | cross-off | cross-off | cross | cross-off | glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross |
High Tide | 00:55AM0.27m | 9:21AM0.28m | 3:15AM0.32m | 4:12AM0.36m | 4:53AM0.38m | 5:29AM0.38m | 6:00AM0.37m | |||||||||||||
Low Tide | 4:58PM0.04m | 4:58AM0.26m | 5:45PM-0.02m | 6:28PM-0.05m | 7:09PM-0.08m | 7:49PM-0.09m | 8:28PM-0.10m | 9:05PM-0.10m | ||||||||||||
 |  | | | |  | |  | |  |  | | | | | | | | | | |
 | — | — | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — |
 | 8:19 | — | — | 8:17 | — | — | 8:17 | — | — | 8:16 | — | — | 8:16 | — | — | 8:15 | — | — | 8:15 | — |
mm | — | — | — | — | — | — | — | — | — | 7 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 28 | 32 | 32 | 29 | 33 | 34 | 30 | 30 | 28 | 28 | 30 | 30 | 28 | 29 | 29 | 28 | 30 | 30 | 28 |
Feels °C | 33 | 30 | 34 | 33 | 29 | 34 | 37 | 31 | 34 | 29 | 28 | 31 | 30 | 31 | 32 | 31 | 30 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 10 | SSW 4 | SE 9 | SE 10 | SSW 5 | SE 9 | SE 10 | SSW 5 | SE 9 | SE 8 | SSE 5 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 6 | SE 5 | — |
| kJ | 3 | 4 | 6 | 3 | 4 | 13 | 3 | 4 | 14 | 3 | 3 | 5 | 2 | 2 | 3 | 3 | 2 | 1 | 11 | — |
Swell 2 Height (m) Direction Period (s) | SE 5 | — | SE 9 | S 11 | E 6 | SE 9 | — | SE 10 | SE 9 | — | S 6 | SSE 5 | SE 8 | — | SE 8 | SW 5 | — | SE 7 | SE 8 | — |
| kJ | 1 | — | 3 | 2 | 1 | 3 | — | 4 | 3 | — | 1 | 3 | 3 | — | 2 | 8 | — | 2 | 2 | — |
Swell 3 Height (m) Direction Period (s) | SE 11 | — | — | — | E 6 | — | — | — | — | — | — | SE 8 | — | — | — | SE 7 | — | — | — | — |
| kJ | 5 | — | — | — | 1 | — | — | — | — | — | — | 3 | — | — | — | 2 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 4 | SSW 4 | — | SSW 4 | SW 4 | WNW 3 | SSW 5 | SSW 5 | — | SSW 5 | SSW 4 | SSW 4 | S 5 | S 4 | S 5 | SSE 5 | SSE 5 | S 4 | S 5 | SSE 4 |
| kJ | 3 | 7 | — | 6 | 18 | 1 | 14 | 29 | — | 14 | 21 | 8 | 16 | 17 | 39 | 26 | 22 | 20 | 21 | 21 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1331 | 1305 | 144 | 1330 | 1291 | 1296 | 1199 | 25 | 1296 | 1331 | 1291 | 1324 | 1331 | 1291 | 1296 | 1331 | 1303 | 1296 | 1346 | 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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