Surf Forecasts:
Walton Rocks (Power Plant) surf forecast from 28 Aug 2026:
- Most powerful swell: Monday 31 Aug, 5AM (local time) - 2.5ft (0.7m), 8s period, E swell with 64 kJ wave energy.
Best Forecast Surf Conditions for Walton Rocks (Power Plant) this week:
The most powerful waves expected at Walton Rocks (Power Plant) in the next 16 days are 0.7m 8s and forecast to arrive on Monday (Aug 31) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 4s period and expected on Friday (Aug 28) at 11AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5AM (Mon 31st Aug) | 2.5ft (0.7m) 8s |
Table - best surf conditions forecast for Walton Rocks (Power Plant) over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s break down what’s coming our way.
Honestly, it’s a slow start. From now through the end of August and into the first week of September, it’s flat and funky. Swell heights are tiny, barely hitting 2ft, with short, weak periods of 4 to 8 seconds, and combined energy readings are low, mostly between 11 and 96 – barely a pulse. Winds are mostly cross-onshore or onshore, making everything choppy and messy. There’s a real dry spell; nothing worth paddling out for until the second week of September.
We get a tiny bump around Saturday the 6th, with swell heights reaching 3ft and combined energy climbing into the low 100s (124 Sunday morning), but winds are still cross-onshore and the quality is poor. Not the one.
The first real glimmer of hope shows up on Wednesday, September 9th. The morning at Walton Rocks (Power Plant) is looking like the best of the bunch. We’ve got a 4ft NE swell with a 7-second period, and combined energy hits 288 – that’s moderate energy with some punch. The real winner is the wind: glassy, dead calm. That means clean, smooth faces. It’s not huge, but for this stretch, it’s a standout. The swell direction (NE) matches the optimum for this break. Water temp is sitting around 86°, which is about normal for this time of year.
Thursday the 10th morning also offers a chance: a 3ft ENE swell with a light offshore wind from the SSW. Combined energy is only 83, so it’s weak, but clean conditions can make a small wave feel fun. Not a standout, but a salvageable session.
Looking further out, the 11th and 12th of September see a slight bump in period to 10-11 seconds and combined energy in the 100-138 range, but swell heights drop back to 2ft to 2ft. Winds are cross-offshore or light, so it’ll be clean, but the size is really marginal. It’s a promising signal for a longer period groundswell, but the size just isn’t there.
Best Bet: If you’ve got one session to chase, make it the morning of Wednesday, September 9th. That glassy 4ft NE swell is the pick of the forecast. The rest of the window is either flat, onshore junk, or too small to get excited about.
Stay patient, keep an eye on the charts.
Rusty.
Short Range ForecastModerate rain (total 18mm), heaviest on Sun morning. Warm (max 30°C on Fri afternoon, min 27°C on Fri morning). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 17mm), heaviest on Tue morning. Warm (max 29°C on Mon morning, min 28°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | |||||||||||||||
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) | E 9 | ENE 12 | ENE 12 | E 8 | NE 11 | E 7 | E 5 | E 5 | E 10 | E 8 | E 8 | E 8 | E 5 | E 5 | E 4 | E 11 | E 10 | E 10 | E 9 | E 9 | E 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 17 | 15 | 14 | 12 | 31 | 54 | 15 | 20 | 46 | 33 | 32 | 10 | 15 | 22 | 19 | 21 | 19 | 17 | 15 | 25 | 14 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross | cross-on | on | cross-on | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on |
High Tide | 9:12AM0.67m | 9:34PM0.69m | 9:54AM0.69m | 10:11PM0.69m | 10:36AM0.70m | 10:48PM0.69m | 11:19AM0.70m | 11:27PM0.67m | 12:06PM0.69m | 00:10AM0.66m | 12:57PM0.68m | 00:59AM0.64m | 1:55PM0.66m | 1:57AM0.62m | |||||||
Low Tide | 3:09PM0.09m | 3:29AM0.09m | 3:47PM0.09m | 4:06AM0.05m | 4:27PM0.11m | 4:45AM0.03m | 5:08PM0.14m | 5:28AM0.03m | 5:54PM0.19m | 6:17AM0.05m | 6:47PM0.24m | 7:13AM0.07m | 7:47PM0.29m | ||||||||
 | |  |  | | | |  | | | | | | |  | | | | | | | |
 | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — | 7:00 | — | — |
 | — | 7:45 | — | — | 7:45 | — | — | 7:44 | — | — | 7:42 | — | — | 7:40 | — | — | 7:39 | — | — | 7:38 | — |
mm | 1 | 3 | 3 | — | 1 | 3 | 4 | — | 3 | 2 | 2 | 3 | 3 | 1 | — | 1 | 3 | 2 | 2 | 1 | 1 |
Temp °C | 29 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 |
Feels °C | 32 | 32 | 31 | 32 | 31 | 31 | 32 | 32 | 32 | 33 | 32 | 32 | 32 | 31 | 31 | 30 | 30 | 32 | 32 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 8 | E 8 | ESE 4 | E 8 | E 8 | E 5 | SSE 4 | SSE 4 | E 8 | SE 4 | E 8 | E 7 | E 13 | E 7 | E 11 | E 10 | E 10 | E 9 | E 9 | E 9 |
| kJ | 14 | 12 | 12 | 3 | 5 | 28 | 15 | 8 | 3 | 33 | 1 | 10 | 10 | 3 | 4 | 21 | 19 | 17 | 15 | 14 | 14 |
Swell 2 Height (m) Direction Period (s) | ENE 13 | ENE 12 | ENE 12 | E 8 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | SSE 4 | SE 4 | ENE 9 | NE 9 | NE 9 | E 12 | E 8 | NE 8 | — | S 6 | E 9 | S 6 |
| kJ | 17 | 15 | 14 | 11 | 12 | 12 | 10 | 10 | 10 | 4 | 2 | 8 | 3 | 3 | 11 | 5 | 3 | — | 1 | 25 | 1 |
Swell 3 Height (m) Direction Period (s) | SE 4 | — | — | ENE 11 | NE 11 | — | E 8 | E 8 | — | ENE 10 | ENE 10 | — | — | E 13 | NE 9 | E 7 | — | — | — | S 5 | — |
| kJ | 1 | — | — | 12 | 31 | — | 5 | 10 | — | 9 | 9 | — | — | 3 | 3 | 4 | — | — | — | 1 | — |
Wind waves Height (m) Direction Period (s) | SE 4 | SE 4 | ESE 3 | — | E 4 | E 7 | SSE 4 | E 5 | E 10 | ENE 4 | E 8 | E 4 | E 5 | E 5 | E 4 | E 5 | E 5 | E 4 | E 4 | E 4 | E 4 |
| kJ | 3 | 4 | 2 | — | 5 | 54 | 7 | 20 | 46 | 6 | 32 | 8 | 15 | 22 | 19 | 16 | 16 | 12 | 14 | 10 | 8 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 61 | 1334 | 190 | 304 | 1017 | 436 | 63 | 900 | 900 | 900 | 900 | 1107 | 1100 | 1581 | 556 | 519 | 1064 | 348 | 556 | 1441 | 191 |
Best forecast wave conditions in North Florida | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Walton Rocks (Power Plant) Surf forecast
The above surf forecast table for Walton Rocks (Power Plant) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Walton Rocks (Power Plant) can be found by selecting the local surf guide option on the grey menu. Our Walton Rocks (Power Plant) 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 (Walton Rocks (Power Plant)) 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 Walton Rocks (Power Plant) 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.
Walton Rocks (Power Plant) is 14 km (9 miles) from Port Saint Lucie. If you plan a vacation in North Florida, look for hotels and other accommodation in Port Saint Lucie. Port Saint Lucie has rooms for a wide range of budgets as well as car hire and transport links.
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