Surf Forecasts:
Octagon House surf forecast from 30 Aug 2026:
- Most powerful swell: Wednesday 2 Sep, 1AM (local time) - 2.5ft (0.7m), 4s period, SE swell with 16 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 4s and forecast to arrive on Wednesday (Sep 02) 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 (Wed 2nd Sep) | 2.5ft (0.7m) 4s |
Table - best surf conditions forecast for Octagon House over the next 16 days.
The Lowdown
Alright, this is a tough one. Let's be straight with you—there's barely a ripple on the cards for the next couple of weeks. You're looking at a long, quiet stretch with very little to get excited about.
Right now, at Octagon House, the water is sitting at 87°, which is a touch warmer than average for this time of year. Feels nice, but that's about the only good news.
The next few days are a write-off. We're talking about flat, tiny swells that wouldn't tickle a longboard. Sunday the 30th through to the 10th of September is mostly a dead zone. You'll see days of near-zero energy, like the 4th of September when the combined energy reading is a pathetic 8 (weak energy). Winds are mostly onshore or glassy, but with zero swell, it doesn't matter. There's a few mornings with glassy conditions, like the 5th and 8th of September, but the swell is so small it's not worth paddling out for.
Now, there is a glimmer. It's a long way off, but Friday the 11th of September, the morning has a pulse. We see a 5 ft SSE swell with a period of 8 seconds, and it's blowing a gentle offshore from the NW. That's the cleanest we'll see. The combined energy hits 220 (moderate wave energy), which is a real step up. The swell direction is from the SSE, which is a good match for the spot's optimum SE direction. This is the standout. It's for the more experienced crew though—that 5 ft is a solid size, and with the period, it'll have some punch.
The problem is, that window is tiny. The Friday afternoon turns messy with an onshore breeze, and the weekend (12th and 13th) sees bigger swell but gets ruined by strong cross-shore winds. By Sunday, the 13th, it's 6 ft of SSE swell but with a 19 mph cross-onshore, making it a choppy, blown-out mess, mostly for kites. The energy spikes to 344 (strong wave energy) but it's unrideable for a surfer.
So, here's the deal: you have one morning, Friday the 11th, that looks promising. After that, it's back to nothing. The following week (14th and 15th) is just wind and chop, with no real quality.
Hang in there, but don't hold your breath. The forecast can change, but right now, it's a waiting game.
Rusty.
Short Range ForecastModerate rain (total 15mm), heaviest on Mon night. Warm (max 30°C on Sun morning, min 26°C on Tue morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 6mm), mostly falling on Wed morning. Warm (max 30°C on Wed morning, min 28°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | |||||||||||||||
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 9 | SE 9 | SSE 3 | SE 9 | SE 8 | E 5 | E 5 | S 4 | SE 4 | S 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 5 | SE 5 | SSE 5 | SE 4 | SE 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 5 | 16 | 5 | 10 | 11 | 7 | 8 | 9 | 13 | 9 | 11 | 8 | 7 | 6 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | cross-on | glassy | on | cross-on | glassy | on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | on | on | on | on | on | cross-on |
High Tide | 6:39PM0.35m | 6:10AM0.36m | 8:09PM0.36m | 6:02AM0.37m | 9:48PM0.39m | 5:42AM0.39m | 11:43PM0.42m | 5:14AM0.42m | 4:42AM0.45m | 3:43AM0.47m | |||||||||||
Low Tide | 12:04PM0.17m | 00:03AM0.22m | 12:46PM0.11m | 00:41AM0.29m | 1:32PM0.06m | 1:21AM0.35m | 2:25PM0.02m | 1:59AM0.41m | 3:26PM-0.02m | 4:36PM-0.03m | 5:50PM-0.04m | ||||||||||
 |  |  | | |  | |  | | | |  | | | | | | | | | | |
 | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — |
 | — | 7:44 | — | — | 7:43 | — | — | 7:42 | — | — | 7:40 | — | — | 7:39 | — | — | 7:38 | — | — | 7:37 | — |
mm | 1 | — | — | — | — | 8 | 5 | — | 1 | 2 | — | — | 2 | — | — | 2 | — | — | — | — | — |
Temp °C | 30 | 30 | 29 | 30 | 30 | 29 | 26 | 28 | 28 | 30 | 29 | 29 | 30 | 29 | 29 | 30 | 30 | 28 | 30 | 30 | 29 |
Feels °C | 32 | 31 | 30 | 31 | 31 | 32 | 31 | 30 | 28 | 33 | 30 | 32 | 33 | 30 | 32 | 32 | 32 | 30 | 34 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | S 3 | SE 9 | SE 8 | S 3 | — | E 5 | SSW 4 | E 5 | — | ESE 4 | SE 8 | SE 7 | SSE 4 | E 8 | SE 8 | SSE 4 | — | SW 4 | SSE 5 | — | S 6 |
| kJ | 1 | 3 | 3 | 1 | — | 2 | 3 | 2 | — | 3 | 2 | 2 | 7 | 1 | 2 | 13 | — | 1 | 8 | — | 1 |
Swell 2 Height (m) Direction Period (s) | SE 9 | — | — | SE 9 | SE 8 | — | E 5 | SE 8 | — | SE 8 | SE 5 | — | SSE 6 | SE 8 | — | E 7 | — | — | — | — | — |
| kJ | 3 | — | — | 3 | 3 | — | 4 | 2 | — | 2 | 1 | — | 3 | 2 | — | 1 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SE 8 | SE 8 | SE 8 | — | SE 8 | SE 8 | — | SSE 5 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 3 | 3 | 2 | — | 2 | 2 | — | 3 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSE 3 | SSE 3 | — | — | — | — | S 4 | SE 4 | S 4 | SSE 4 | SSE 4 | — | SSE 4 | SSE 4 | — | SSE 5 | SE 5 | — | SE 4 | SE 4 |
| kJ | — | 1 | 1 | — | — | — | — | 5 | 16 | 5 | 10 | 11 | — | 8 | 9 | — | 9 | 11 | — | 7 | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1295 | 1397 | 1291 | 1291 | 1339 | 1291 | 1296 | 1410 | 1291 | 1296 | 1397 | 1291 | 1296 | 1331 | 1291 | 1295 | 1331 | 1291 | 1295 | 1395 | 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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