Surf Forecasts:
Slade Bay/Boot Reef surf forecast from 8 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 1PM (local time) - 3.5ft (1.0m), 8s period, W swell with cross-offshore winds.
- Most powerful swell: Thursday 10 Sep, 10PM (local time) - 7.5ft (2.3m), 8s period, WSW swell with 705 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 1PM (local time) - 3.5ft (1.0m), 8s period with W swell.
Best Forecast Surf Conditions for Slade Bay/Boot Reef this week:
The surf forecast for Slade Bay/Boot Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 09) at 1PM. The primary swell is predicted to be 1.0m and 8s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Slade Bay/Boot Reef in the next 16 days are 2.3m 8s and forecast to arrive on Thursday (Sep 10) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 6s period and expected on Wednesday (Sep 09) at 4PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Wed 9th Sep) | 3.5ft (1.0m) 8s |
| Best Surf | 1PM (Wed 9th Sep) | 3.5ft (1.0m) 8s |
| Most Powerful | 10PM (Thu 10th Sep) | 7.5ft (2.3m) 8s |
Table - best surf conditions forecast for Slade Bay/Boot Reef over the next 16 days.
The Lowdown
Text 2 (Imperial Units)
Alright, mates, Rusty here. Let’s break down what’s on the cards for Slade Bay/Boot Reef over the next couple of weeks. I gotta be straight with you – this forecast is a tough one. We’re looking at a solid run of days where the surf quality is pretty ordinary, so don’t expect much action for a while.
We’ve got a bit of a blank run to start. The first half of this outlook is dominated by messy, blown-out conditions. The first notable energy shows up on Tuesday, September 8th, with a 6ft WSW swell and 9-second period, but the wind is a cross-off from the NW at 16 mph. The combined energy is a moderate 528, but the "poor surf conditions" tag says it all. The water is a notable 66° – that’s 5° warmer than normal for this time of year, which is a standout. It doesn’t make up for the rest of the session though.
Wednesday the 9th is smaller at 4ft and Thursday the 10th sees a drop in size and a horrible onshore wind from the S at 19 mph. Friday the 11th offers a sliver of hope with a 4ft WSW swell and a 9-second period, combined energy of 268, and a morning cross-off breeze. It’s rated “marginal” at best – you’d need to be pretty keen, but it’s the closest thing to a session we get for a while.
From Saturday the 12th right through to the end of the forecast on September 23rd, we’re looking at tiny surf. Sizes hover around 1ft to 2ft, with periods mostly in the 8-10 second range, and the combined energy barely cracks three digits. The winds glass off a few times – like the afternoon of Thursday the 17th and Saturday the 19th – but with waves that small, there’s nothing to ride. There’s a 1ft swell with a 12-second period on Monday the 21st, but it’s still too weak to get excited about.
So what’s the pick? Honestly, there isn’t a standout session in this 16-day window. If you’re desperate, Friday morning, September 11th, is your best bet for a paddle, but keep expectations low. The rest of the window is a solid 12 days of nothing worth chasing. Maybe dust off the kite if you’ve got one, because this setup is more interesting for kiting than traditional surfing.
Rusty, signing off.
Short Range ForecastLight rain (total 4mm), mostly falling on Thu afternoon. Very mild (max 17°C on Thu morning, min 13°C on Tue night). Winds increasing (light winds from the W on Wed night, strong winds from the SSW by Thu afternoon). | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Sat night. Very mild (max 17°C on Sat afternoon, min 13°C on Fri night). Winds increasing (calm on Fri night, fresh winds from the SW by Sat afternoon). | ||||||||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||||
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) | WSW 9 | W 9 | W 7 | W 8 | WSW 8 | WSW 8 | SW 4 | SW 6 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | SW 8 | WSW 7 | WSW 8 | WSW 7 | WSW 9 | WSW 9 | WSW 9 | WSW 5 | WSW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 528 | 431 | 286 | 190 | 109 | 65 | 32 | 312 | 651 | 294 | 202 | 119 | 192 | 401 | 322 | 167 | 176 | 140 | 121 | 47 | 71 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | cross-on | cross-off | cross-off | cross-off | off | cross-on | cross-on | cross-on | cross-off | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:04PM7.20m | 5:34AM7.31m | 5:56PM7.89m | 6:21AM7.90m | 6:40PM8.44m | 7:02AM8.34m | 7:20PM8.77m | 7:40AM8.58m | 7:57PM8.86m | 8:16AM8.60m | 8:33PM8.72m | 8:50AM8.41m | 9:07PM8.36m | ||||||||
Low Tide | 10:53AM1.83m | 11:27PM1.35m | 11:47AM1.20m | 00:15AM0.74m | 12:31PM0.65m | 00:56AM0.29m | 1:10PM0.27m | 1:33AM0.05m | 1:46PM0.09m | 2:07AM0.02m | 2:20PM0.12m | 2:39AM0.20m | 2:53PM0.34m | 3:10AM0.55m | |||||||
 |  |  | | | | |  |  |  | | | | | | | | | | | | |
 | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:45 | — | — | 6:47 | — | — | 6:48 | — | — |
 | — | 7:47 | — | — | 7:45 | — | — | 7:44 | — | — | 7:40 | — | — | 7:38 | — | — | 7:37 | — | — | 7:34 | — |
mm | — | — | — | — | — | — | — | 3 | 1 | — | — | — | — | — | 5 | — | — | — | — | — | — |
Temp °C | 16 | 16 | 15 | 14 | 15 | 15 | 17 | 17 | 17 | 14 | 16 | 14 | 16 | 17 | 17 | 16 | 17 | 17 | 18 | 20 | 19 |
Feels °C | 9 | 9 | 8 | 10 | 11 | 12 | 12 | 11 | 13 | 11 | 13 | 11 | 11 | 12 | 13 | 15 | 16 | 17 | 18 | 20 | 18 |
Swell 1 Height (m) Direction Period (s) | WSW 9 | — | — | W 8 | WSW 8 | WSW 8 | WSW 8 | W 11 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | — | — | WSW 7 | WSW 9 | WSW 9 | WSW 9 | W 8 | WSW 8 |
| kJ | 528 | — | — | 190 | 109 | 65 | 22 | 2 | 651 | 294 | 202 | 119 | 51 | — | — | 167 | 176 | 140 | 121 | 35 | 22 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | W 13 | W 12 | — | — | — | — | — | — | — | — | — | SW 13 | — | — | — | — |
| kJ | — | — | — | — | — | 3 | 3 | — | — | — | — | — | — | — | — | — | 7 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | W 12 |
| kJ | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
Wind waves Height (m) Direction Period (s) | — | W 9 | W 7 | — | W 6 | — | SW 4 | SW 6 | — | — | — | — | SW 8 | WSW 7 | WSW 8 | — | — | — | — | WSW 5 | WSW 6 |
| kJ | — | 431 | 286 | — | 30 | — | 32 | 312 | — | — | — | — | 192 | 401 | 322 | — | — | — | — | 47 | 71 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 3 | 895 | 151 | 8 | 125 | 44 | 308 | 256 | 3 | 8 | 8 | 0 | 44 | 357 | 267 | 144 | 364 | 104 | 11 | 174 | 95 |
Best forecast wave conditions in Wales - Gower | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Information about the Slade Bay/Boot Reef Surf forecast
The above surf forecast table for Slade Bay/Boot Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Slade Bay/Boot Reef can be found by selecting the local surf guide option on the grey menu. Our Slade Bay/Boot Reef 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 (Slade Bay/Boot Reef) 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 Slade Bay/Boot Reef 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.
Slade Bay/Boot Reef is 19 km (12 miles) from Swansea. If you plan a holiday in Wales - Gower, look for hotels and other accommodation in Swansea. Swansea has rooms for a wide range of budgets as well as car hire and transport links.
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