Surf Forecasts:
Octagon House surf forecast from 17 Jul 2026:
- Most powerful swell: Saturday 18 Jul, 10AM (local time) - 2.5ft (0.7m), 7s period, SE swell with 54 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 0.7m 7s and forecast to arrive on Saturday (Jul 18) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Thursday (Jul 23) at 10AM.
| Wave Type | Time (CDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10AM (Sat 18th Jul) | 2.5ft (0.7m) 7s |
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’s on offer at Octagon House over the next couple of weeks.
Right off the bat, I’ve gotta be straight with you: the surf situation is pretty grim for a while. There’s nothing worth paddling out for across the entire 16-day window. The combined wave energy is weak, barely hitting double digits for most of the first week. We’re looking at tiny, wind-affected slop. The water temperature is sitting at 86°, which is about normal for this time of year, so that’s one thing that’s not a headache.
The first ten days or so are a write-off. Winds are mostly cross-onshore, and the swell is under 3 feet with short periods. It’s a lot of choppy, crumbly junk. Even the occasional clean session with light offshore winds doesn’t help because there’s just no swell to work with. You’d be floating out there.
Now, from around Wednesday, July 30th, things look a little more interesting. The combined energy rises into the moderate range (164 – 167) and the swell bumps up to 4 – 4 feet from the SE. Still, the wind is a moderate cross-onshore, so expect bumpy, lumpy conditions. The period is only 7-8 seconds, so it’s windswell, not the clean groundswell we’d want. This is not beginner territory – that 4 foot swell with onshore wind will be a messy, challenging paddle. Honestly, at this point, with the cross-onshore wind and that short-period swell, the setup looks more interesting for kite surfing than paddle surfing.
The very end of the forecast, around July 31st, settles back down to 3 feet and the energy drops. There’s no standout day here, no hidden gem. It’s a long, flat spell for Octagon House. It tends not to stay this poor for long around here, so keep an eye on the forecasts. But for now, leave the boards in the car.
Rusty.
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Warm (max 29°C on Thu morning, min 27°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 31°C on Tue morning, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||
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 | SSE 5 | SSE 6 | SSE 6 | SE 7 | SSE 6 | SSE 6 | SSE 6 | SE 7 | SE 6 | SE 5 | S 4 | SE 10 | SSW 4 | S 4 | SSW 3 | SSW 4 | S 11 | SW 3 |
Wave Graph  | |||||||||||||||||||||
 kJ | 33 | 32 | 42 | 33 | 39 | 28 | 54 | 36 | 27 | 17 | 12 | 6 | 5 | 3 | 14 | 5 | 5 | 4 | 3 | 3 | 4 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross-off | cross-on | cross | cross-off | cross-on | cross | cross-off | cross-on | cross-off |
High Tide | 4:36PM0.33m | 8:28AM0.33m | 6:10PM0.28m | 8:50AM0.30m | 8:02PM0.24m | 9:07AM0.29m | 10:15PM0.23m | 9:19AM0.28m | 00:55AM0.27m | 9:21AM0.28m | 3:15AM0.32m | ||||||||||
Low Tide | 12:31PM0.29m | 00:37AM-0.09m | 1:45PM0.24m | 1:25AM-0.00m | 3:00PM0.17m | 2:13AM0.09m | 4:04PM0.10m | 3:07AM0.18m | 4:58PM0.04m | 4:58AM0.26m | 5:45PM-0.02m | 6:28PM-0.05m | |||||||||
 |  |  | |  | | | | | | |  | | | | | | | | | | |
 | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — |
 | — | 8:20 | — | — | 8:20 | — | — | 8:20 | — | — | 8:19 | — | — | 8:19 | — | — | 8:17 | — | — | 8:17 | — |
mm | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 28 | 30 | 30 | 28 | 31 | 31 | 28 | 31 | 31 | 29 |
Feels °C | 32 | 31 | 30 | 33 | 32 | 31 | 32 | 31 | 31 | 32 | 31 | 30 | 34 | 31 | 29 | 34 | 32 | 30 | 35 | 33 | 31 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | — | SSE 5 | SW 5 | SE 10 | SE 7 | SE 11 | SE 10 | SSE 6 | SE 7 | SE 6 | SSW 4 | SE 9 | SE 10 | SSW 4 | SE 9 | SE 9 | SSW 4 | SE 9 | SE 10 |
| kJ | 3 | 3 | — | 33 | 3 | 4 | 54 | 5 | 4 | 17 | 12 | 5 | 3 | 3 | 14 | 5 | 3 | 3 | 3 | 3 | 4 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SE 8 | SW 5 | — | — | SE 11 | SE 10 | SE 9 | SE 10 | SE 10 | SE 5 | SE 5 | — | SE 9 | SE 11 | SE 10 | SE 9 | S 11 | — |
| kJ | — | — | — | 2 | 5 | — | — | 5 | 4 | 3 | 4 | 4 | 5 | 1 | — | 3 | 5 | 4 | 3 | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SE 11 | — | SE 7 | — | — | SE 9 | S 11 | — | SE 5 | SE 11 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 5 | — | 2 | — | — | 3 | 2 | — | 1 | 5 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 5 | SSE 5 | SSE 5 | — | SSE 6 | SSE 6 | SSE 5 | SSE 6 | SSE 6 | — | S 4 | SSW 4 | — | S 4 | SSW 3 | — | S 4 | SSW 3 | — | — | SW 3 |
| kJ | 33 | 32 | 42 | — | 39 | 28 | 31 | 36 | 27 | — | 4 | 6 | — | 3 | 2 | — | 3 | 4 | — | — | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1296 | 1395 | 1291 | 1291 | 1296 | 1291 | 1296 | 1331 | 1291 | 1291 | 1291 | 1291 | 1296 | 1336 | 1291 | 1296 | 1330 | 1291 | 808 | 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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