Surf Forecasts:
Slade Bay/Boot Reef surf forecast from 20 Sep 2026:
- Best quality surf: Wednesday 23 Sep, 1AM (local time) - 2.5ft (0.8m), 11s period, W swell with cross-offshore winds.
- Most powerful swell: Sunday 27 Sep, 10PM (local time) - 4.5ft (1.4m), 10s period, WSW swell with 394 kJ wave energy.
- Next surfable swell (1★+): Tuesday 22 Sep, 7PM (local time) - 2.5ft (0.7m), 12s 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 Tuesday (Sep 22) at 7PM. The primary swell is predicted to be 0.7m and 12s period with a secondary swell of 0.2m and 19s. 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 1.4m 10s and forecast to arrive on Sunday (Sep 27) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Wednesday (Sep 23) at 4PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Tue 22nd Sep) | 2.5ft (0.7m) 12s |
| Best Surf | 1AM (Wed 23rd Sep) | 2.5ft (0.8m) 11s |
| Most Powerful | 10PM (Sun 27th Sep) | 4.5ft (1.4m) 10s |
Table - best surf conditions forecast for Slade Bay/Boot Reef over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 19°C on Tue afternoon, min 14°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 21°C on Fri afternoon, min 11°C on Wed night). Winds decreasing (fresh winds from the ESE on Thu morning, calm by Fri afternoon). | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | ||||||||||||||
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 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | W 8 | W 12 | W 11 | W 14 | W 13 | W 12 | WSW 11 | W 11 | WSW 10 | W 12 | W 11 | W 11 | WSW 11 | WSW 10 | WSW 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 86 | 40 | 27 | 27 | 17 | 29 | 98 | 151 | 146 | 125 | 103 | 23 | 20 | 32 | 76 | 157 | 86 | 150 | 180 | 176 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross-on | cross-on | cross-off | cross-off | cross | cross-off | cross-off | off | cross-off | cross-on | cross-on | cross-on | cross | cross-on | on | cross-off | cross | cross |
High Tide | 2:25AM5.26m | 3:14PM5.52m | 3:58AM5.60m | 4:26PM6.04m | 4:54AM6.18m | 5:13PM6.68m | 5:35AM6.82m | 5:51PM7.33m | 6:10AM7.43m | 6:26PM7.92m | 6:44AM7.97m | 6:59PM8.39m | ||||||||
Low Tide | 8:06PM3.24m | 8:54AM3.23m | 9:47PM2.97m | 10:15AM2.80m | 10:48PM2.43m | 11:05AM2.21m | 11:30PM1.81m | 11:43AM1.61m | 00:05AM1.22m | 12:17PM1.05m | 00:37AM0.70m | 12:49PM0.58m | 1:08AM0.30m | |||||||
 |  |  | |  | | | | | | | | | | | | | | | | |
 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — |
 | 7:21 | — | — | 7:17 | — | — | 7:15 | — | — | 7:14 | — | — | 7:10 | — | — | 7:08 | — | — | 7:07 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 16 | 18 | 18 | 18 | 19 | 19 | 17 | 15 | 14 | 15 | 18 | 15 | 18 | 21 | 17 | 15 | 16 | 15 |
Feels °C | 12 | 14 | 16 | 18 | 18 | 18 | 18 | 19 | 16 | 10 | 12 | 12 | 15 | 12 | 14 | 20 | 15 | 11 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | W 8 | W 12 | W 11 | W 9 | W 13 | W 12 | WSW 8 | WSW 8 | WSW 10 | W 12 | W 11 | WSW 8 | WSW 11 | SW 14 | WSW 10 |
| kJ | 86 | 40 | 27 | 27 | 17 | 29 | 98 | 151 | 85 | 125 | 103 | 22 | 11 | 32 | 76 | 157 | 68 | 150 | 8 | 35 |
Swell 2 Height (m) Direction Period (s) | S 14 | WSW 9 | W 9 | W 13 | W 13 | — | W 20 | W 16 | W 14 | W 8 | N 3 | WSW 11 | W 11 | SW 4 | SSW 4 | WSW 16 | W 11 | SW 15 | — | SW 15 |
| kJ | 4 | 17 | 15 | 3 | 3 | — | 7 | 129 | 146 | 33 | 1 | 23 | 20 | 1 | 2 | 52 | 86 | 8 | — | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | S 13 | — | — | — | — | — | W 11 | — | — | — | — | — | W 16 | SE 3 | WSW 15 | — | — | — |
| kJ | — | — | 3 | — | — | — | — | — | 9 | — | — | — | — | — | 5 | 1 | 22 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NW 3 | — | ESE 3 | SE 3 | SE 3 | SE 3 | SW 3 | — | W 3 | WSW 10 | WSW 6 |
| kJ | — | — | — | — | — | — | — | — | — | 4 | — | 8 | 5 | 2 | 5 | 1 | — | 3 | 180 | 176 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 8 | 2 | 88 | 181 | 79 | 55 | 8 | 0 | 0 | 132 | 0 | 41 | 115 | 159 | 31 | 8 | 11 | 185 | 319 | 132 |
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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