Surf Forecasts:
Octagon House surf forecast from 6 Sep 2026:
- Most powerful swell: Sunday 13 Sep, 1AM (local time) - 3ft (0.9m), 4s period, SSE swell with 36 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 (Sep 13) at 1AM. 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 | 1AM (Sun 13th Sep) | 3ft (0.9m) 4s |
Table - best surf conditions forecast for Octagon House over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s get real about what’s on offer at Octagon House (United States).
Honestly, looking at the whole 16-day window, I’ve got to be straight with you – there’s not a single standout, not one day where it all clicks. The surf is just tiny, and the conditions are a mess. It’s a tough run for a spot that’s exposed to the southeast.
We kick off on Saturday, 5th September with a mere 1.0ft of short-period, weak S swell. The combined energy is a pathetic 4, and with an onshore ESE breeze, it’s not even worth paddling out for. The water’s a warm 87°, which is a touch warmer than normal for this time of year.
Sunday morning the 6th looks glassy, but the swell drops to 0.7ft. It’s a tease. You could sit out there on a log, but you won’t be catching anything.
This pattern just keeps rolling. Through the first week we see tiny swell, mostly under 2ft, with cross-on or onshore winds from the south and southeast. The energy builds a little, but by the 13th and 14th of September, when we finally see a combined energy into the 40s, the winds are still onshore. It’s frustrating.
The only slightly interesting moment comes on Tuesday morning, 15th September. We get a glassy morning with a 3ft S swell and a period of 6 seconds. The combined energy reaches 49. It’s the best we’ve got. The wind is a light offshore from the ENE, so it’ll be clean. But the swell is weak and short-period, so it’s barely rideable on a log. It’s not a standout, it’s just the least-bad option.
After that, the energy fades again. The 16th sees a cross-offshore wind, but the swell drops to 2ft. From the 17th onward, it’s back to tiny, choppy surf with no power.
The whole second week is a write-off. The swell stays small, and the winds are consistently cross-on or onshore. There’s nothing to get excited about.
So, what’s the call? There’s a real gap of good surf here. If you’re desperate, that Tuesday morning the 15th is your only chance for a clean, glassy paddle, but bring a log. Otherwise, this is a stretch of days where you’re better off doing something else. The setup just isn’t there for paddle surfing.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Sun morning. Warm (max 30°C on Sat afternoon, min 28°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Thu morning. Warm (max 31°C on Thu morning, min 28°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Sat 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | ||||||||||||||
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) | S 4 | S 4 | S 4 | S 4 | S 3 | SSW 4 | SSE 5 | S 5 | S 4 | SSE 5 | SSE 3 | SSE 5 | S 5 | SSE 6 | SSE 5 | S 6 | SSE 4 | S 4 | S 4 | S 4 |
Wave Graph  | ||||||||||||||||||||
 kJ | 3 | 1 | 1 | 1 | 1 | 2 | 3 | 7 | 3 | 5 | 3 | 9 | 11 | 20 | 23 | 22 | 10 | 12 | 16 | 21 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | glassy | cross-on | cross | cross | cross-on | cross-on | cross-on | on | on | cross-on | on | on | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:03AM0.48m | 4:22AM0.46m | 4:39AM0.45m | 4:53AM0.42m | 2:20PM0.43m | 5:07AM0.41m | 3:41PM0.43m | 5:19AM0.39m | 4:57PM0.42m | |||||||||||
Low Tide | 5:50PM-0.04m | 7:02PM-0.04m | 8:06PM-0.03m | 9:09AM0.41m | 9:04PM-0.00m | 9:36AM0.36m | 9:55PM0.05m | 10:14AM0.30m | 10:41PM0.11m | 10:54AM0.23m | 11:25PM0.18m | |||||||||
 |  |  |  | | | | | | | | | | | | | | | |  | |
 | — | — | 7:00 | — | — | 7:00 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — |
 | 7:37 | — | — | 7:36 | — | — | 7:35 | — | — | 7:34 | — | — | 7:32 | — | — | 7:31 | — | — | 7:30 | — |
mm | — | — | 2 | — | — | 1 | — | — | — | — | — | 1 | — | — | 2 | — | — | — | — | — |
Temp °C | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 28 | 30 | 30 | 28 | 31 | 30 | 29 | 30 | 30 | 29 |
Feels °C | 32 | 31 | 33 | 32 | 32 | 33 | 33 | 31 | 32 | 32 | 30 | 33 | 32 | 30 | 34 | 31 | 31 | 32 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | S 4 | S 4 | S 4 | E 7 | — | SSW 4 | SSE 5 | SE 8 | S 4 | SE 7 | SE 8 | SE 7 | SE 8 | SSE 6 | SSE 5 | SE 8 | SE 7 | SE 5 | SSE 5 | SE 9 |
| kJ | 3 | 1 | 1 | 1 | — | 2 | 3 | 2 | 3 | 2 | 2 | 2 | 2 | 20 | 23 | 3 | 2 | 4 | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | E 6 | — | — | — | — | S 6 | — | S 6 | S 6 | SW 4 | — | SE 7 | SE 5 | — | SE 6 | SE 8 | — | SE 8 | SE 8 | SE 8 |
| kJ | 1 | — | — | — | — | 1 | — | 1 | 1 | 1 | — | 2 | 1 | — | 2 | 3 | — | 3 | 2 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | E 7 | — | — | — | — | — | SE 7 | SE 7 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 1 | — | — | — | — | — | 2 | 2 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | S 4 | S 3 | — | S 4 | S 5 | — | SSE 5 | SSE 3 | SSE 5 | S 5 | — | SW 4 | S 6 | SSE 4 | S 4 | S 4 | S 4 |
| kJ | — | — | — | 1 | 1 | — | 1 | 7 | — | 5 | 3 | 9 | 11 | — | 3 | 22 | 10 | 12 | 16 | 21 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1395 | 1291 | 1296 | 1397 | 1291 | 1291 | 1324 | 1291 | 1291 | 1389 | 1291 | 1291 | 1296 | 1291 | 1295 | 1291 | 1291 | 1291 | 1397 | 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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