Surf Forecasts:
Octagon House surf forecast from 9 Sep 2026:
- Most powerful swell: Monday 14 Sep, 10PM (local time) - 3.5ft (1.0m), 6s period, SE swell with 68 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 1.0m 6s and forecast to arrive on Monday (Sep 14) at 10PM. 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 | 10PM (Mon 14th Sep) | 3.5ft (1.0m) 6s |
Table - best surf conditions forecast for Octagon House over the next 16 days.
The Lowdown
Alright, let me tell you what I’m seeing for the Octagon House area. It’s a bit of a slow burn for the first couple of weeks, but there’s a big pulse of energy showing up way out there in the second week. We’ll get to that.
Right now, from the 9th of September through the 23rd, it’s pretty grim. We’re looking at tiny swell, mostly under 1 ft, and the wind’s all over the shop – onshore, cross-shore, and even a few days of those stormy conditions. The combined energy is just a whisper, bouncing between 4 and 62 (weak energy). It’s a beginner-friendly spot, but with hardly any waves and a lot of chop, it’s not really worth paddling out for a proper session. This is a long stretch of almost nothing, basically a 14-day gap of poor surf.
But hold on. That changes on the 24th of September. We’ve got a proper groundswell coming in from the Southeast, with a solid 7 ft swell and a long period of 14 seconds. That’s a lot of energy in the water – 1504 (strong wave energy). The wind is blowing cross-off from the WSW at 25 mph, which is clean. Now, this is a big, powerful swell for a beginner spot. At 7 ft, it’s getting into the “experts only” territory. The period is long, so it’s going to be a proper groundswell. That means better shaped waves, more energy, and longer gaps between sets. It’s a glassy, clean morning, but the power is serious. The 24th afternoon keeps that clean cross-off wind, but the swell drops to 6 ft. The energy is still massive at 1172 (strong wave energy).
Given the size and the fact this is an exposed beach, those waves are going to be heavy. Honestly, for a beginner spot, this setup looks more interesting for the kite surfers than paddle surfers. The crowds are listed as “sometimes,” so there might be a few out, but on a day like that, it’ll be the locals charging.
So, for the whole 16-day window, the only real standout is the morning of the 24th of September. That’s your one shot at something memorable. The rest is a waiting game. Keep an eye on the forecasts, though – it tends not to stay poor for long around here.
Rusty.
Short Range ForecastModerate rain (total 15mm), heaviest on Thu morning. Warm (max 30°C on Wed morning, min 28°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Sat morning. Warm (max 30°C on Sat morning, min 28°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||
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) | S 4 | S 4 | E 4 | E 4 | E 4 | E 5 | SSW 4 | S 4 | S 4 | S 5 | S 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 6 | SE 6 | SE 6 | SSE 6 | SE 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3 | 2 | 3 | 3 | 2 | 2 | 4 | 9 | 17 | 31 | 33 | 36 | 36 | 32 | 44 | 37 | 40 | 59 | 46 | 41 | 42 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | on | cross | on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on |
High Tide | 2:20PM0.43m | 5:07AM0.41m | 3:41PM0.43m | 5:19AM0.39m | 4:57PM0.42m | 5:31AM0.38m | 6:13PM0.42m | 5:41AM0.38m | 7:30PM0.42m | 5:44AM0.38m | 8:51PM0.43m | 5:31AM0.39m | 10:21PM0.44m | ||||||||
Low Tide | 9:55PM0.05m | 10:14AM0.30m | 10:41PM0.11m | 10:54AM0.23m | 11:25PM0.18m | 11:35AM0.18m | 00:08AM0.25m | 12:15PM0.13m | 00:52AM0.32m | 12:55PM0.09m | 1:41AM0.37m | 1:37PM0.07m | |||||||||
 | |  | | |  | | |  | |  |  | | | |  | | | | | | |
 | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — |
 | — | 7:32 | — | — | 7:31 | — | — | 7:30 | — | — | 7:29 | — | — | 7:28 | — | — | 7:27 | — | — | 7:24 | — |
mm | 2 | 1 | 1 | 5 | 1 | 1 | 2 | 2 | — | 2 | — | — | 1 | 1 | — | — | — | — | — | 1 | — |
Temp °C | 30 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 29 |
Feels °C | 33 | 32 | 31 | 33 | 32 | 32 | 32 | 31 | 31 | 32 | 31 | 31 | 33 | 33 | 31 | 33 | 33 | 31 | 33 | 33 | 32 |
Swell 1 Height (m) Direction Period (s) | S 4 | S 4 | E 4 | E 4 | E 4 | E 5 | — | — | SE 8 | SE 8 | SE 9 | — | SE 9 | SE 9 | SE 9 | SE 8 | — | — | SE 6 | — | SE 9 |
| kJ | 3 | 1 | 3 | 3 | 1 | 2 | — | — | 2 | 2 | 3 | — | 13 | 3 | 3 | 2 | — | — | 46 | — | 3 |
Swell 2 Height (m) Direction Period (s) | E 3 | — | SE 8 | S 4 | SE 8 | SE 8 | SE 8 | SE 8 | — | SE 10 | S 11 | — | — | — | — | — | — | — | S 10 | — | — |
| kJ | 1 | — | 2 | 1 | 2 | 2 | 2 | 2 | — | 4 | 2 | — | — | — | — | — | — | — | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | — | SE 8 | SE 8 | S 7 | S 6 | — | — | — | S 9 | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 2 | — | 2 | 2 | 1 | 1 | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | E 4 | S 4 | — | SSE 4 | SSE 3 | SSW 4 | S 4 | S 4 | S 5 | S 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 6 | SE 6 | — | SSE 6 | SE 6 |
| kJ | — | 1 | 3 | — | 1 | 1 | 4 | 9 | 17 | 31 | 33 | 36 | 36 | 32 | 44 | 37 | 40 | 59 | — | 41 | 42 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1296 | 1310 | 1291 | 1296 | 1397 | 1291 | 1295 | 1395 | 1291 | 1296 | 1395 | 1291 | 1296 | 1397 | 1291 | 1291 | 1301 | 1291 | 1291 | 1395 | 1291 |
Best forecast wave conditions in Texas | |||||||||||||||||||||
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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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