Surf Forecasts:
The Boiler surf forecast from 14 Jul 2026:
- Most powerful swell: Wednesday 15 Jul, 7AM (local time) - 1ft (0.3m), 10s period, WSW swell with 19 kJ wave energy.
Best Forecast Surf Conditions for The Boiler this week:
The most powerful waves expected at The Boiler in the next 16 days are 0.3m 10s and forecast to arrive on Wednesday (Jul 15) 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 0.6m 3s period and expected on Thursday (Jul 16) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7AM (Wed 15th Jul) | 1ft (0.3m) 10s |
Table - best surf conditions forecast for The Boiler over the next 16 days.
The Lowdown
Alright folks, Rusty here. Gotta be straight with you – the next couple of weeks are looking pretty grim for a paddle. Let's get into it.
The Boiler is a reef break that's inconsistent and needs a proper swell to get going, and right now it's just not happening. For the first ten days or so, from Tuesday the 14th through to Saturday the 26th, we're looking at tiny, weak surf. The swell heights are mostly hovering around 0.3ft to 0.7ft, with combined energy readings barely climbing into double digits (27 at best in the first week). There's no punch, no power, and certainly no reason to get wet. The wind does lay down glassy at times, like Tuesday afternoon the 14th and Friday morning the 17th, but it's on flat, non-existent waves. It's a total write-off.
Now, here's the one glimmer of hope, but it's a long way off. Starting Sunday morning the 27th, the swell starts to bump up. By Monday the 28th morning, we're seeing a 5ft swell from the WS West, with the combined energy jumping to a solid 515. That's a moderate energy event, but the problem is the wind. It's a cross-onshore breeze at 9 mph, making it choppy and messy. That swell is also short period at 7 seconds, so it's not going to have any real shape.
If you're an expert and absolutely desperate, the best on offer is probably the Tuesday morning of the 29th. The swell is 6ft from the WSW with a period of 8 seconds, giving us a combined energy of 389. But again, the wind is a cross-onshore at 16 mph, which is going to turn it into a lumpy, blown-out mess. Honestly, with that kind of size and wind, this setup looks more interesting for kite surfing than paddle surfing. It's too big for beginners at over 5ft, and the conditions won't be clean enough for anyone to really enjoy it. So, the outlook is bleak. Sometimes it's like this, just a blank run. Hang in there, forecasts can change.
- Rusty
Short Range ForecastMostly dry. Warm (max 29°C on Wed afternoon, min 15°C on Mon night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 26°C on Thu night, min 12°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||
Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||
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 11 | WSW 11 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | W 8 | WSW 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | WNW 4 | W 7 | W 7 | W 8 | W 9 | W 8 | W 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 12 | 12 | 10 | 10 | 10 | 10 | 5 | 8 | 6 | 5 | 7 | 5 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 2 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross-off | cross | cross-off | cross-off | cross-off | off | cross-off | glassy | cross | off | glassy | cross-off | off | cross-off | cross | cross-off | glassy | cross | cross-off |
High Tide | 6:52AM9.05m | 7:15PM9.41m | 7:47AM9.35m | 8:07PM9.66m | 8:37AM9.47m | 8:55PM9.74m | 9:23AM9.43m | 9:40PM9.63m | 10:05AM9.21m | 10:22PM9.35m | 10:45AM8.86m | 11:01PM8.94m | 11:23AM8.43m | 11:40PM8.45m | |||||||
Low Tide | 12:56PM1.39m | 1:30AM1.17m | 1:50PM1.13m | 2:24AM0.97m | 2:39PM1.03m | 3:12AM0.94m | 3:24PM1.08m | 3:55AM1.08m | 4:05PM1.29m | 4:34AM1.38m | 4:43PM1.62m | 5:11AM1.78m | 5:21PM2.03m | ||||||||
 | |  | |  |  | | | | | | | | | | | | | | | | |
 | 5:13 | — | — | 5:15 | — | — | 5:16 | — | — | 5:16 | — | — | 5:18 | — | — | 5:20 | — | — | 5:20 | — | — |
 | — | — | 9:28 | — | — | 9:27 | — | — | 9:25 | — | — | 9:24 | — | — | 9:23 | — | — | 9:22 | — | — | 9:22 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 28 | 26 | 26 | 29 | 26 | 25 | 28 | 26 | 22 | 26 | 23 | 21 | 22 | 17 | 19 | 22 | 21 | 18 | 21 | 21 |
Feels °C | 22 | 26 | 23 | 25 | 26 | 19 | 25 | 26 | 23 | 19 | 24 | 20 | 18 | 17 | 10 | 17 | 19 | 17 | 15 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | W 11 | WSW 11 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | W 8 | WSW 8 | W 8 | W 8 | W 8 | NW 3 | W 8 | W 8 | WNW 4 | NW 4 | W 7 | W 8 | W 8 | W 8 | NW 3 |
| kJ | 10 | 12 | 10 | 9 | 8 | 8 | 5 | 7 | 6 | 5 | 5 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 14 | SW 16 | SW 16 | SW 6 | W 10 | SW 7 | SW 7 | SW 7 | SW 6 | W 8 | SW 6 | S 5 | W 8 | W 7 | — | — | W 9 | — | W 8 |
| kJ | 12 | 12 | 7 | 10 | 10 | 1 | 2 | 2 | 2 | 2 | 2 | 5 | 1 | 1 | 1 | 1 | — | — | 2 | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | W 14 | — | S 7 | SW 7 | SW 16 | SW 7 | SW 14 | — | — | SW 13 | SW 6 | — | — | — | — | — | — | — | — | W 11 |
| kJ | — | 4 | — | 1 | 2 | 10 | 2 | 8 | — | — | 7 | 1 | — | — | — | — | — | — | — | — | 2 |
Wind waves Height (m) Direction Period (s) | E 3 | E 3 | E 3 | E 3 | E 3 | E 3 | — | — | E 3 | — | — | — | — | — | NNW 4 | — | — | SSE 2 | ESE 2 | — | — |
| kJ | 5 | 3 | 5 | 1 | 1 | 8 | — | — | 2 | — | — | — | — | — | 2 | — | — | 1 | 1 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 72 | 126 | 126 | 134 | 413 | 189 | 199 | 413 | 178 | 134 | 475 | 401 | 375 | 447 | 196 | 456 | 318 | 401 | 201 | 159 | 159 |
Best forecast wave conditions in Wales - Gower | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the The Boiler Surf forecast
The above surf forecast table for The Boiler provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Boiler can be found by selecting the local surf guide option on the grey menu. Our The Boiler 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 (The Boiler) 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 The Boiler 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.
The Boiler is 9 km (6 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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