Surf Forecasts:
The Boiler surf forecast from 28 Jul 2026:
- Most powerful swell: Tuesday 4 Aug, 1AM (local time) - 5ft (1.5m), 8s period, WSW swell with 292 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 1.5m 8s and forecast to arrive on Tuesday (Aug 04) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 4s period and expected on Saturday (Aug 01) at 10PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1AM (Tue 4th Aug) | 5ft (1.5m) 8s |
Table - best surf conditions forecast for The Boiler over the next 16 days.
The Lowdown
Alright, Rusty here. Let's get into it.
Look, I'm going to be straight with you – the next 16 days are a tough stretch for The Boiler. This is a spot that's already described as *inconsistent*, and this forecast is proving it. There's a long, lean gap coming up with no real surf to speak of, so don't get your hopes up for a quick fix.
Right now, through Tuesday the 28th and Wednesday the 29th, it's flat and messy. Tiny swell, poor conditions, and cross-onshore winds. Not worth paddling out. The water temp is sitting at 69°, which is a huge 9° warmer than normal for this time of year – that's really unusual, feels like a bath out there.
Thursday the 30th morning shows a slight pulse of 3ft swell from the west, with a clean cross-offshore breeze. The combined energy is weak at 41, but it's the cleanest it's going to look for a while. Still, it's small and inconsistent.
The standout, if you can call it one, is actually the morning of Thursday, August 9th. We've got a 5ft swell from the WSW (8 seconds) pushing through, with a moderate cross-shore wind. The combined energy jumps to 353, which is moderate. But the real highlight is the *afternoon* of that same day – Sunday, August 9th: a 5ft swell from the WSW, but with a 10-second period and a clean cross-offshore breeze. That energy reading hits 515 (strong), and it's clean. That's the best session on offer, but it's still a long way off and things could change. If you're an intermediate or better, that Sunday afternoon window is the one to watch.
Bottom line: For the next week and a half, it's a write-off. The only real glimmer of hope is a couple of windows around August 9th and 10th, with a stronger, cleaner swell on the afternoon of the 9th. Keep an eye on that one, but don't hold your breath.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Tue afternoon, min 14°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Sun afternoon, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | |||||||||||||||
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 6 | W 5 | W 5 | WSW 5 | WSW 5 | W 10 | W 6 | W 5 | W 5 | W 5 | W 5 | WSW 11 | WSW 10 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 8 | WSW 8 | WSW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 33 | 20 | 13 | 9 | 8 | 8 | 39 | 36 | 20 | 12 | 13 | 12 | 18 | 26 | 24 | 13 | 13 | 46 | 62 | 76 | 292 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | glassy | cross-on | cross | cross | cross-off | cross | off | glassy | cross | cross-off | cross-off | cross | cross-off | cross | cross-on | glassy | cross-on | cross-on | cross-on |
High Tide | 6:47PM8.55m | 7:06AM8.42m | 7:24PM8.82m | 7:42AM8.66m | 7:59PM9.04m | 8:16AM8.84m | 8:33PM9.18m | 8:49AM8.96m | 9:07PM9.24m | 9:22AM8.97m | 9:40PM9.18m | 9:54AM8.86m | 10:13PM9.00m | ||||||||
Low Tide | 12:31PM2.27m | 00:51AM2.06m | 1:08PM1.99m | 1:28AM1.79m | 1:43PM1.77m | 2:03AM1.57m | 2:15PM1.60m | 2:37AM1.43m | 2:47PM1.51m | 3:09AM1.37m | 3:18PM1.51m | 3:41AM1.44m | 3:50PM1.63m | ||||||||
 |  |  | | |  |  | | | | | | | |  | | | | | | | |
 | 5:31 | — | — | 5:33 | — | — | 5:35 | — | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:41 | — | — |
 | — | — | 9:10 | — | — | 9:08 | — | — | 9:07 | — | — | 9:06 | — | — | 9:05 | — | — | 9:02 | — | — | 9:00 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 20 | 17 | 19 | 19 | 17 | 17 | 18 | 16 | 17 | 18 | 15 | 17 | 18 | 17 | 21 | 25 | 21 | 22 | 21 | 18 |
Feels °C | 18 | 19 | 18 | 18 | 16 | 16 | 12 | 13 | 12 | 13 | 12 | 11 | 13 | 14 | 13 | 17 | 21 | 19 | 20 | 18 | 18 |
Swell 1 Height (m) Direction Period (s) | WSW 6 | W 5 | W 5 | WSW 5 | W 10 | W 10 | W 10 | W 10 | W 5 | W 5 | W 9 | W 4 | W 5 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 8 | WSW 8 | WSW 8 |
| kJ | 33 | 20 | 13 | 9 | 2 | 8 | 2 | 2 | 20 | 12 | 2 | 2 | 13 | 26 | 24 | 13 | 13 | 46 | 62 | 76 | 197 |
Swell 2 Height (m) Direction Period (s) | — | W 8 | W 8 | W 11 | W 7 | W 6 | — | W 8 | W 9 | W 9 | W 12 | WSW 11 | WSW 10 | — | WNW 4 | — | SW 11 | — | — | — | — |
| kJ | — | 1 | 1 | 2 | 1 | 1 | — | 1 | 2 | 1 | 3 | 12 | 18 | — | 3 | — | 5 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 12 | W 11 | W 8 | W 8 | — | — | — | W 8 | W 8 | W 12 | W 9 | — | — | — | — | — | — | — | — | — |
| kJ | — | 3 | 2 | 1 | 1 | — | — | — | 1 | 1 | 3 | 2 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | WSW 5 | W 4 | W 6 | W 5 | — | — | W 5 | W 4 | — | W 5 | — | — | — | — | — | SW 3 | WSW 8 |
| kJ | — | — | — | — | 8 | 8 | 39 | 36 | — | — | 13 | 4 | — | 11 | — | — | — | — | — | 5 | 292 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 135 | 162 | 134 | 182 | 320 | 320 | 773 | 397 | 188 | 188 | 398 | 398 | 190 | 205 | 51 | 201 | 126 | 14 | 20 | 74 | 20 |
Best forecast wave conditions in Wales - Gower | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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.
Nearest