Surf Forecasts:
Slade Bay/Boot Reef surf forecast from 18 Jul 2026:
- Most powerful swell: Saturday 25 Jul, 7AM (local time) - 5ft (1.5m), 7s period, W swell with 214 kJ wave energy.
Best Forecast Surf Conditions for Slade Bay/Boot Reef this week:
The most powerful waves expected at Slade Bay/Boot Reef in the next 16 days are 1.5m 7s and forecast to arrive on Saturday (Jul 25) at 7AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Wednesday (Jul 22) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7AM (Sat 25th Jul) | 5ft (1.5m) 7s |
Table - best surf conditions forecast for Slade Bay/Boot Reef over the next 16 days.
The Lowdown
Right, let’s have a look at what’s brewing for Slade Bay/Boot Reef over the next couple of weeks.
To be straight with you, the forecast is pretty grim for the vast majority of the period. The only time we see any real size is around Saturday the 25th of July, but even then, the conditions are messy. So, there’s a long stretch of nothing much at all.
Let’s start with the first week. From Saturday the 18th right through to Friday the 24th, we’re looking at tiny, weak waves. We’re talking swell heights of 0.3ft to 1ft, with combined wave energy in the single digits (2 to 15). That’s not enough to ride. The wind is all over the place – cross-off, cross-on, glassy at times – but with no swell, it doesn’t matter. The water is a very unusual 68°, which is a massive 8° warmer than normal for this time of year. It’s a total write-off for surfing.
Then, on Saturday the 25th of July, we finally get a pulse. The morning shows a 5ft swell from the West, with a short period of 7 seconds. The combined energy hits 205, which is moderate, but the wind is cross-off from the NW at 12 mph, keeping it clean. This is the closest thing to a standout in the whole window, but it’s not great. 5ft is at the upper limit for beginners, but with that short period, it’ll be a bit fat and crumbly. The afternoon gets messier with a 19 mph cross-shore wind, turning it lumpy.
Sunday the 26th drops back to 2ft, and the rest of the forecast through to Sunday the 2nd of August is back to tiny, weak surf with energy rarely breaking 100. The wind is mostly offshore or light, but the swell just isn’t there.
Honestly, this is a poor run for Slade Bay/Boot Reef. The only time you might get a wave is on the morning of the 25th of July, and even then, it’s a short-period, weak swell with a cross-off wind. It’s not worth getting excited about. If you’re desperate, you could scratch around for a knee-high wave, but that’s about it.
Rusty.
Short Range ForecastMostly dry. Warm (max 21°C on Sat afternoon, min 15°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 22°C on Tue afternoon, min 14°C on Tue night). Winds decreasing (fresh winds from the NNW on Wed afternoon, calm by Thu night). | ||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||
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) | W 8 | W 8 | S 12 | ESE 3 | W 19 | W 19 | W 9 | SW 18 | W 18 | W 11 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 8 | W 14 | SW 13 | W 3 | W 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 5 | 5 | 3 | 3 | 7 | 7 | 2 | 12 | 6 | 2 | 2 | 10 | 7 | 7 | 6 | 8 | 6 | 4 | 7 | 8 | 39 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | cross-on | cross | cross-off | glassy | cross-off | off | cross-on | cross | off | off | off | off | glassy | cross | cross-off | cross-off | cross | cross-off |
High Tide | 10:10PM8.34m | 10:33AM7.74m | 10:54PM7.85m | 11:17AM7.27m | 11:38PM7.27m | 12:02PM6.78m | 00:26AM6.68m | 12:53PM6.31m | 1:21AM6.18m | 1:54PM5.96m | 2:29AM5.85m | 3:07PM5.83m | 3:44AM5.81m | ||||||||
Low Tide | 3:56PM0.60m | 4:24AM0.69m | 4:39PM0.98m | 5:07AM1.15m | 5:22PM1.45m | 5:51AM1.66m | 6:09PM1.94m | 6:39AM2.15m | 7:04PM2.39m | 7:36AM2.55m | 8:09PM2.70m | 8:45AM2.76m | 9:24PM2.78m | ||||||||
 | |  | | | | | |  | | | |  | | | | | | | | | |
 | 5:18 | — | — | 5:20 | — | — | 5:22 | — | — | 5:22 | — | — | 5:24 | — | — | 5:26 | — | — | 5:26 | — | — |
 | — | — | 9:24 | — | — | 9:23 | — | — | 9:22 | — | — | 9:21 | — | — | 9:20 | — | — | 9:19 | — | — | 9:16 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 21 | 19 | 18 | 20 | 19 | 19 | 21 | 19 | 20 | 22 | 20 | 18 | 21 | 17 | 18 | 21 | 19 | 18 | 19 | 18 |
Feels °C | 17 | 18 | 16 | 15 | 15 | 15 | 17 | 18 | 17 | 18 | 18 | 16 | 13 | 16 | 15 | 17 | 18 | 17 | 14 | 14 | 16 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | NW 4 | W 7 | — | W 10 | W 9 | W 8 | W 8 | W 11 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | SW 13 | W 8 |
| kJ | 5 | 5 | 4 | 1 | — | 2 | 2 | 1 | 1 | 2 | 2 | 8 | 7 | 7 | 6 | 6 | 6 | 1 | 1 | 7 | 1 |
Swell 2 Height (m) Direction Period (s) | — | SW 5 | W 8 | NW 4 | W 7 | W 7 | — | SW 18 | W 11 | W 7 | W 7 | W 7 | — | — | W 15 | SW 15 | W 14 | W 14 | SW 13 | — | — |
| kJ | — | 1 | 1 | 1 | 1 | 1 | — | 12 | 2 | 1 | 1 | 1 | — | — | 4 | 8 | 4 | 4 | 7 | — | — |
Swell 3 Height (m) Direction Period (s) | SW 5 | S 11 | S 12 | — | W 19 | W 19 | — | W 11 | W 18 | — | — | SW 16 | — | — | — | W 15 | — | — | W 13 | — | — |
| kJ | 1 | 2 | 3 | — | 7 | 7 | — | 2 | 6 | — | — | 10 | — | — | — | 4 | — | — | 3 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NE 3 | ESE 3 | NNE 2 | N 3 | — | — | NNW 4 | — | — | NNW 3 | N 4 | NW 4 | NNW 4 | NNW 3 | — | NW 3 | — | W 3 | W 5 |
| kJ | — | — | 3 | 3 | 1 | 3 | — | — | 5 | — | — | 4 | 9 | 21 | 12 | 2 | — | 3 | — | 8 | 39 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 427 | 427 | 47 | 391 | 333 | 361 | 193 | 193 | 365 | 126 | 182 | 199 | 391 | 759 | 199 | 79 | 458 | 359 | 384 | 947 | 306 |
Best forecast wave conditions in Wales - Gower | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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