Surf Forecasts:
Octagon House surf forecast from 29 Aug 2026:
- Most powerful swell: Tuesday 1 Sep, 7PM (local time) - 2ft (0.6m), 5s period, SE swell with 19 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 0.6m 5s and forecast to arrive on Tuesday (Sep 01) at 7PM. 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 | 7PM (Tue 1st Sep) | 2ft (0.6m) 5s |
Table - best surf conditions forecast for Octagon House over the next 16 days.
The Lowdown
Alright mates, Rusty here.
Let’s be honest—this stretch is a flat spell. Octagon House (Octagon) is looking at mostly tiny swell and unfriendly winds for the next couple of weeks. Water temp is about normal for this time of year, nothing unusual.
The combined swell energy stays weak to moderate at best, rarely breaking past 100, with a peak of 196 (moderate) on the afternoon of September 7th, but that comes with messy conditions.
From Saturday August 29 through Friday September 5, surf is almost nonexistent—swell heights barely reach 2 ft, periods short, winds onshore or cross-onshore. The one bright spot: Saturday September 5 morning has offshore NW wind at 9 mph, clean, with 2 ft SE swell at 5 seconds. Tiny, but clean.
Sunday September 6 morning shows 3 ft SE swell at 7 seconds with clean cross-offshore WNW wind at 9 mph—surfable but ordinary. The afternoon turns choppy.
Monday September 7 has 4 ft SSE swell at 8 seconds and energy jumping to 174 (moderate), but cross-onshore SSW wind at 9 mph kills it. Afternoon sees 4 ft at 7 seconds and 196 energy, but again, cross-onshore chop.
From Tuesday September 8 onward, it’s back to small, choppy conditions. The last clean windows are Saturday September 12 morning: offshore NW wind at 3 mph, clean, with 2 ft SSE swell at 5 seconds. And Sunday September 13 morning: clean cross-offshore NNW wind at 9 mph, with 2 ft SE swell at 4 seconds.
So the only real chances are those clean mornings: Sept 5, Sept 12, and Sept 13. All small, but if you want a clean wave, that’s your lot. The rest of the 16 days? Not much to write home about.
Rusty.
Short Range ForecastMostly dry. Warm (max 30°C on Sat morning, min 27°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Thu morning. Warm (max 30°C on Tue morning, min 28°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | |||||||||||||||
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 8 | SE 9 | S 3 | SE 9 | SE 9 | SSE 3 | SSE 4 | SE 4 | SSE 4 | S 4 | SSE 5 | SE 5 | SE 5 | SE 5 | SE 4 | SE 4 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3 | 3 | 3 | 3 | 3 | 4 | 6 | 4 | 5 | 9 | 15 | 17 | 11 | 7 | 9 | 7 | 8 | 14 | 10 | 11 | 13 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | on | cross-on | cross-on | on | cross-on | cross-on | on | on | cross-on | on | on | on | on | cross-on | on | on | cross-on | glassy | on | cross |
High Tide | 6:04AM0.36m | 5:18PM0.35m | 6:09AM0.36m | 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 | 11:26AM0.23m | 11:28PM0.15m | 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 | |||||||||
 | |  | | | | | | | | | | | | |  | | | | | | |
 | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — |
 | — | 7:45 | — | — | 7:44 | — | — | 7:43 | — | — | 7:42 | — | — | 7:40 | — | — | 7:39 | — | — | 7:38 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — |
Temp °C | 30 | 30 | 29 | 30 | 30 | 29 | 30 | 29 | 28 | 30 | 29 | 29 | 30 | 30 | 28 | 30 | 30 | 28 | 30 | 30 | 29 |
Feels °C | 32 | 32 | 31 | 32 | 32 | 31 | 33 | 30 | 29 | 32 | 30 | 32 | 32 | 32 | 30 | 32 | 32 | 29 | 32 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | — | SE 9 | SE 8 | S 3 | SE 9 | SE 8 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 5 | SE 8 | SE 7 | SE 4 | — | — | SE 5 | — | SE 5 |
| kJ | — | 3 | 3 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 11 | 2 | 2 | 7 | — | — | 10 | — | 13 |
Swell 2 Height (m) Direction Period (s) | SE 8 | — | — | SE 9 | — | — | — | — | — | SE 8 | — | — | SE 8 | — | — | — | — | — | SE 7 | — | — |
| kJ | 3 | — | — | 3 | — | — | — | — | — | 3 | — | — | 2 | — | — | — | — | — | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | SE 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | S 3 | — | SSE 3 | SSE 3 | SSE 4 | SE 4 | SSE 4 | S 4 | SSE 5 | SE 5 | — | SE 5 | SE 4 | — | SE 5 | SE 5 | — | SE 5 | — |
| kJ | — | — | 1 | — | 1 | 4 | 6 | 4 | 5 | 9 | 15 | 17 | — | 7 | 9 | — | 8 | 14 | — | 11 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1296 | 1395 | 1291 | 1291 | 1386 | 1291 | 1295 | 1335 | 1291 | 1291 | 1397 | 1291 | 1291 | 1397 | 1291 | 1291 | 1389 | 1291 | 1296 | 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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