Surf Forecasts:
The Boiler surf forecast from 7 Jul 2026:
- Most powerful swell: Friday 10 Jul, 10AM (local time) - 1.5ft (0.5m), 9s period, W swell with 41 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 0.5m 9s and forecast to arrive on Friday (Jul 10) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 3s period and expected on Sunday (Jul 12) at 10PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10AM (Fri 10th Jul) | 1.5ft (0.5m) 9s |
Table - best surf conditions forecast for The Boiler over the next 16 days.
Updates in hr min s Forecast update imminent
Alright folks, Rusty here. Gotta be straight with you – this forecast period is a tough one. We're looking at a solid 16-day run, and the honest truth is there isn't a single day where the conditions come together to give us anything worth paddling out for. From now through to the 22nd of July, it's a flat, messy, or just plain un-rideable stretch. The only break on the radar is The Boiler, but it just can't get a break.
The Boiler (a reef setup) is inconsistent at the best of times, and this run is proving that. The whole 16 days is a write-off. We kick off Tuesday the 7th with a tiny 1ft WSW swell at 9 seconds and a cross-shore wind. The energy is weak (22) and the surf quality is just poor. Wednesday the 8th is the same story – 1ft with a cross-onshore wind. We get a brief moment of glassy conditions on the morning of Thursday the 9th, but it's still only a 1ft, 10-second swell with combined energy of just 17. It's flat, not surfable.
The pattern just repeats. Small 2ft waves on Friday the 10th with a clean cross-offshore wind in the afternoon, but the swell is just too weak and the period too short (9 seconds) to do anything. The energy is very weak (39). The rest of the second week into the third week is even smaller, with swells dropping to 0.3ft and 0.6ft. We get some glassy conditions again on the morning of Saturday the 18th and even a calm, glassy morning on Sunday the 19th, but with a 0.6ft swell? You'd be floating.
Look, when a spot is as inconsistent as The Boiler, a blank run like this isn't a surprise. There is simply no surf on offer. The energy readings are all two-digit numbers, the swell heights are ankle-to-knee deep at best, and the wind is never truly aligned to make something out of nothing. It's a long dry spell. The forecasts can always change, but as it stands, leave the board at home.
Stay patient,
Rusty
Short Range ForecastMostly dry. Warm (max 26°C on Thu afternoon, min 15°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 31°C on Fri afternoon, min 17°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | |||||||||||||||
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 | WSW 9 | WSW 8 | WSW 8 | W 8 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | WSW 8 | WSW 7 | WSW 8 | W 8 | W 16 | W 8 | W 8 | W 19 | SW 19 | E 3 |
Wave Graph  | |||||||||||||||||||||
 kJ | 15 | 15 | 13 | 23 | 23 | 17 | 17 | 16 | 15 | 41 | 39 | 22 | 9 | 13 | 5 | 5 | 1 | 1 | 8 | 15 | 9 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-on | cross | cross-off | glassy | cross | cross-off | cross-on | cross-off | cross-off | cross-on | cross-off | cross | cross | cross-off | cross | cross | cross | cross-off |
High Tide | 11:39AM7.99m | 00:06AM8.12m | 12:30PM7.78m | 1:04AM7.90m | 1:35PM7.64m | 2:14AM7.80m | 2:51PM7.69m | 3:31AM7.90m | 4:08PM8.00m | 4:45AM8.22m | 5:17PM8.49m | 5:52AM8.65m | 6:19PM8.99m | ||||||||
Low Tide | 5:24AM2.22m | 5:38PM2.47m | 6:13AM2.43m | 6:34PM2.68m | 7:14AM2.62m | 7:46PM2.80m | 8:27AM2.68m | 9:05PM2.71m | 9:43AM2.51m | 10:21PM2.39m | 10:54AM2.17m | 11:29PM1.95m | 11:58AM1.75m | 00:32AM1.52m | |||||||
 | |  | | | |  | | | | | | | | | | | | | | | |
 | 5:07 | — | — | 5:07 | — | — | 5:09 | — | — | 5:09 | — | — | 5:11 | — | — | 5:11 | — | — | 5:13 | — | — |
 | — | — | 9:34 | — | — | 9:32 | — | — | 9:31 | — | — | 9:31 | — | — | 9:30 | — | — | 9:30 | — | — | 9:29 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 21 | 20 | 21 | 23 | 21 | 22 | 26 | 24 | 27 | 31 | 28 | 28 | 29 | 27 | 25 | 29 | 24 | 23 | 27 | 22 |
Feels °C | 17 | 18 | 19 | 21 | 22 | 20 | 22 | 25 | 24 | 27 | 30 | 27 | 27 | 28 | 25 | 23 | 26 | 18 | 18 | 22 | 14 |
Swell 1 Height (m) Direction Period (s) | W 5 | WSW 9 | WSW 8 | WSW 8 | W 8 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | WSW 8 | WSW 7 | WSW 8 | W 8 | W 8 | W 8 | W 8 | W 19 | SW 19 | SW 15 |
| kJ | 7 | 15 | 13 | 23 | 23 | 17 | 17 | 16 | 15 | 41 | 39 | 22 | 9 | 13 | 5 | 1 | 1 | 1 | 7 | 15 | 9 |
Swell 2 Height (m) Direction Period (s) | WSW 9 | W 11 | W 4 | — | — | W 4 | — | — | W 4 | — | — | — | W 8 | — | — | W 16 | — | — | W 8 | W 15 | W 8 |
| kJ | 15 | 2 | 3 | — | — | 1 | — | — | 1 | — | — | — | 6 | — | — | 5 | — | — | 1 | 4 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 8 | W 13 |
| kJ | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 |
Wind waves Height (m) Direction Period (s) | WNW 5 | WSW 5 | — | — | — | — | — | — | — | — | — | — | E 3 | E 3 | E 3 | E 3 | E 3 | E 4 | E 3 | E 3 | E 3 |
| kJ | 8 | 7 | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 4 | 5 | 5 | 13 | 8 | 5 | 8 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 190 | 320 | 85 | 71 | 205 | 71 | 51 | 188 | 51 | 14 | 50 | 71 | 88 | 144 | 126 | 471 | 143 | 419 | 392 | 139 | 370 |
Best forecast wave conditions in Wales - Gower | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our The Boiler surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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