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 75 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’s cut to the chase for Octagon House (Octagon). The next couple weeks? Honestly, it’s mostly a whole lot of nothing. We got a long stretch of flat, chopped-up ocean ahead. The wave energy is weak, real weak, with readings down in the single digits early on, like a 5 on Tuesday. The water’s a touch warmer than usual, but that’s about the only nice thing I can say. Wind’s mostly onshore or cross-onshore, making everything messy.
Tuesday the 8th and through the weekend is a total washout. We're talking 1ft of 4-second slop. It's not breaking, it's just bumping. Even when the swell ticks up to 2ft on the 11th, the period is still a gutless 4 seconds. You'd be fighting chop for nothing.
The first glimmer of hope shows up around the 14th and 15th. Swell pushes to about 3ft, but the direction is all wrong and the period is still short at 5-6 seconds. The energy does build, hitting 81 on the 15th, which is at least something. But the wind is still onshore, so it’s going to be lumpy and hard to ride.
Then it all dies again from the 16th through the 21st. Another flat spell, dropping back down to 1ft. It's a real bummer stretch. There is nothing surfable in that whole week.
Okay, now for the one bright spot. On the 22nd of September, the wind finally goes cross-offshore from the north, and for the first time, the report says "clean." The swell is still small, only 1ft, but the period jumps to 8 seconds, which makes a huge difference. The energy is up to 26. It's small and clean, which is a decent trade-off for the week.
The next day, the 23rd, the wind is howling at 22 mph from the NNE, but it stays cross-offshore, so it stays clean. The swell is about 2ft with a weak 4-second period, so it'll be a bit sloppy but better than anything else. That morning is your best window to get a couple of fun little ones.
So, to sum it up: the only two mornings worth paddling out are the 22nd and 23rd of September. Cross-offshore wind makes it clean, but the waves are tiny. The 22nd has the better period, so that's the standout. The rest of the time, you might as well leave the board in the car. This forecast is a tough one.
Rusty out.
Short Range ForecastLight rain (total 5mm), mostly falling on Thu afternoon. Warm (max 31°C on Tue afternoon, min 28°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 10mm), heaviest on Fri afternoon. Warm (max 31°C on Fri afternoon, min 29°C on Fri afternoon). Wind will be generally light. | |||||||||||||||||||
Tue 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | ||||||||||||||
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 | SSE 3 | S 4 | S 4 | SSE 4 | E 4 | E 4 | E 4 | S 4 | S 4 | S 4 | S 4 | S 5 | SSE 5 | SSE 5 | SSE 5 | SE 5 | SSE 5 | SSE 6 | SE 5 |
Wave Graph  | ||||||||||||||||||||
 kJ | 3 | 4 | 3 | 3 | 3 | 2 | 3 | 2 | 7 | 7 | 15 | 25 | 28 | 44 | 37 | 39 | 57 | 61 | 57 | 67 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | on | cross-on | cross-on | on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | on | on |
High Tide | 4:53AM0.42m | 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 | ||||||||
Low Tide | 9:04PM-0.00m | 9:36AM0.36m | 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 | |||||||
 |  |  | | |  | | | | |  | | | | | | | |  |  | |
 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — |
 | 7:34 | — | — | 7:32 | — | — | 7:31 | — | — | 7:30 | — | — | 7:29 | — | — | 7:28 | — | — | 7:27 | — |
mm | — | — | 2 | 1 | — | — | 2 | — | — | 5 | 1 | — | — | — | — | 3 | — | 1 | — | 2 |
Temp °C | 31 | 29 | 30 | 30 | 29 | 30 | 30 | 29 | 31 | 31 | 29 | 31 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 29 |
Feels °C | 34 | 31 | 33 | 33 | 32 | 33 | 32 | 32 | 33 | 32 | 31 | 32 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | S 4 | SE 8 | S 4 | S 4 | E 4 | E 4 | E 4 | E 4 | SE 6 | SE 5 | SE 7 | SE 8 | SE 9 | SSW 5 | SE 9 | SE 9 | — | — | SSE 6 | — |
| kJ | 3 | 2 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 19 | 3 | 3 | — | — | 57 | — |
Swell 2 Height (m) Direction Period (s) | SE 7 | — | E 3 | E 4 | SE 8 | S 4 | SE 8 | SE 8 | — | SE 8 | — | S 10 | S 11 | — | — | — | — | — | — | — |
| kJ | 2 | — | 1 | 1 | 2 | 1 | 3 | 2 | — | 2 | — | 2 | 2 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | SE 8 | SE 8 | — | SE 8 | SE 8 | S 7 | SE 7 | — | — | SE 10 | — | — | — | — | — | — | — | — |
| kJ | — | — | 2 | 2 | — | 2 | 2 | 1 | 2 | — | — | 4 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSE 3 | — | — | SSE 4 | — | S 4 | SSE 2 | S 4 | S 4 | S 4 | S 4 | S 5 | SSE 5 | SSE 5 | SSE 5 | SE 5 | SSE 5 | — | SE 5 |
| kJ | — | 4 | — | — | 3 | — | 1 | 1 | 7 | 7 | 15 | 25 | 28 | 44 | 37 | 39 | 57 | 61 | — | 67 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1395 | 1291 | 1296 | 1395 | 1291 | 1295 | 1331 | 1295 | 1291 | 1346 | 1291 | 1324 | 1324 | 1291 | 1296 | 1331 | 1291 | 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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