Surf Forecasts:
Octagon House surf forecast from 14 Sep 2026:
- Most powerful swell: Thursday 17 Sep, 4PM (local time) - 4.5ft (1.4m), 6s period, ESE swell with 126 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 1.4m 6s and forecast to arrive on Thursday (Sep 17) at 4PM. 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 | 4PM (Thu 17th Sep) | 4.5ft (1.4m) 6s |
Table - best surf conditions forecast for Octagon House over the next 16 days.
The Lowdown
Alright, it’s Rusty again. Let’s be real – Octagon House is looking like a total dud for the next couple weeks. Tiny waves and messy wind mean you’re better off doing something else.
Starting Monday the 14th, we’ve got onshore wind and a weak 2ft swell from the SSE with a period of just 5 seconds. Combined energy is a measly 30, so it’s all chop and no go. That flat, poor-quality setup sticks around all week. Tuesday the 15th and Wednesday the 16th are even smaller, with swell barely 2ft. Thursday the 17th sees a bump to 4ft from the ESE, energy climbs to 126, but the wind is a fresh cross-onshore at 18 mph, making it lumpy and ugly. Friday the 18th drops back to 3ft, still cross-onshore.
The weekend of the 20th stays tiny, though Sunday morning the 20th gives us a clean glass-off with cross-offshore wind – but only 1ft of swell. Not enough to surf. Monday the 21st is dead flat and glassy, with 1.0ft. Tuesday the 22nd and Wednesday the 23rd are similar, never getting above 1ft.
Toward the end of the month, we finally see a bit more size. Saturday the 26th has 3ft from the east with a moderate cross-offshore breeze and energy at 81 – still small but clean. Sunday the 27th morning is the best shot, with 4ft from the east, a 7-second period, cross-offshore wind at 18 mph, and combined energy of 206. The swell direction (E) doesn’t line up with the optimum SE for Octagon House, and it’s under 5ft, so it’s rideable but nothing special. After that, Monday and Tuesday the 28th and 29th fade back to 2ft and 2ft with clean but weak surf.
Bottom line: there’s no good surf in this window. If you’re itching to get wet, Sunday the 27th morning has the most push and clean conditions, but keep expectations low. Leave the board at home for now.
Rusty.
Short Range ForecastLight rain (total 5mm), mostly falling on Mon afternoon. Warm (max 31°C on Mon morning, min 29°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Wed night. Warm (max 30°C on Thu morning, min 28°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||
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 6 | SSE 5 | SSE 5 | SE 4 | SE 5 | ESE 4 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | SE 5 | SE 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 27 | 20 | 32 | 13 | 14 | 13 | 10 | 15 | 44 | 106 | 126 | 100 | 82 | 68 | 51 | 24 | 34 | 24 | 12 | 7 | 8 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | on | cross-off | cross-on | cross-on |
High Tide | 5:44AM0.38m | 8:51PM0.43m | 5:31AM0.39m | 10:21PM0.44m | 00:22AM0.45m | 2:57AM0.46m | 3:47AM0.46m | 4:19AM0.46m | |||||||||||||
Low Tide | 12:55PM0.09m | 1:41AM0.37m | 1:37PM0.07m | 2:24PM0.07m | 3:19PM0.08m | 4:24PM0.08m | 5:33PM0.09m | 6:37PM0.09m | |||||||||||||
 | |  |  | | |  | |  | | | | | | | | | | | | | |
 | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — |
 | — | 7:27 | — | — | 7:24 | — | — | 7:23 | — | — | 7:22 | — | — | 7:22 | — | — | 7:21 | — | — | 7:19 | — |
mm | 1 | 3 | — | — | — | — | — | — | 5 | 2 | — | — | — | — | — | — | — | — | 2 | — | 1 |
Temp °C | 31 | 30 | 30 | 31 | 31 | 29 | 29 | 30 | 29 | 30 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 28 |
Feels °C | 33 | 32 | 33 | 34 | 33 | 32 | 31 | 32 | 31 | 30 | 28 | 30 | 31 | 30 | 28 | 29 | 29 | 29 | 31 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SSE 5 | SE 8 | SE 8 | SE 5 | SE 8 | SE 9 | — | — | — | — | — | — | ESE 6 | — | ESE 6 | ESE 6 | SE 5 | — |
| kJ | 3 | 3 | 3 | 13 | 3 | 3 | 10 | 2 | 3 | — | — | — | — | — | — | 24 | — | 24 | 12 | 7 | — |
Swell 2 Height (m) Direction Period (s) | — | S 6 | S 10 | SE 9 | S 7 | — | SE 8 | S 6 | — | — | — | — | — | — | — | — | — | — | SE 8 | SE 7 | — |
| kJ | — | 1 | 2 | 3 | 1 | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | SE 9 | S 11 | — | SE 6 | S 6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 3 | 2 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 5 | SSE 5 | SSE 6 | — | SSE 5 | SE 4 | — | ESE 4 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | — | ESE 6 | — | — | — | SE 5 |
| kJ | 27 | 20 | 32 | — | 14 | 13 | — | 15 | 44 | 106 | 126 | 100 | 82 | 68 | 51 | — | 34 | — | — | — | 8 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1296 | 1410 | 1291 | 1296 | 1395 | 1291 | 1295 | 833 | 1291 | 1296 | 1461 | 613 | 833 | 1395 | 1291 | 1296 | 1397 | 1291 | 352 | 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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