Surf Forecasts:
The Boiler surf forecast from 20 Jul 2026:
- Best quality surf: Saturday 25 Jul, 10PM (local time) - 4ft (1.2m), 6s period, WSW swell with cross-offshore winds.
- Most powerful swell: Saturday 25 Jul, 10PM (local time) - 4ft (1.2m), 6s period, WSW swell with 119 kJ wave energy.
- Next surfable swell (1★+): Saturday 25 Jul, 10PM (local time) - 4ft (1.2m), 6s period with WSW swell.
Best Forecast Surf Conditions for The Boiler this week:
The surf forecast for The Boiler over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jul 25) at 10PM. The primary swell is predicted to be 1.2m and 6s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at The Boiler in the next 16 days are 1.2m 6s and forecast to arrive on Saturday (Jul 25) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Sunday (Jul 26) at 4PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sat 25th Jul) | 4ft (1.2m) 6s |
| Best Surf | 10PM (Sat 25th Jul) | 4ft (1.2m) 6s |
| Most Powerful | 10PM (Sat 25th Jul) | 4ft (1.2m) 6s |
Table - best surf conditions forecast for The Boiler over the next 16 days.
The Lowdown
Alright, Rusty here again, and I’m not gonna sugarcoat it – the next sixteen days are a real bummer. The only spot we’ve got is The Boiler, and she’s looking flat as a pancake.
The Boiler is an inconsistent reef break, and we’re looking at a long, dry spell. The water is running at 69°, which is a full 9° warmer than usual for this time of year – that’s a seriously weird anomaly, like swimming in a bathtub.
The whole first week is a total washout. We’ve got tiny, ankle-snapping swell from the west, with heights barely hitting 0.3ft to 0.7ft, and the combined energy is basically nothing, often reading in single digits. The wind is mostly light and glassy or cross-off, but with no swell to work with, it’s just a flat, clean pond. ‘Poor surf conditions’ is the phrase for every single session. This flat spell runs straight through Monday the 20th all the way to the end of July.
We do finally see a pulse of energy on Sunday the 26th of July. The morning shows a 4ft swell from the west-northwest with a moderate 6-second period, and a combined energy of 184 – that’s the biggest number we see. But it’s still rated ‘poor surf conditions’ and the wind is a moderate cross-off. It’s the only time the swell gets above 3ft, but it’s not giving us the quality we need.
After that, it’s right back to the doldrums. The last real chance comes on Wednesday the 29th of July, with a morning pulse of 3ft from the west, 6-second period, and a combined energy of 138, but it’s the same story – cross-off winds and poor quality. The afternoon of the 4th of August brings a fresh offshore wind from the north-northwest, but at only 2ft of weak west swell, it’s a polished, clean, but tiny wave.
So, the honest truth? There are no standout days. No hidden gems. The forecast is a sea of zeros. The Boiler is just not going to fire in this window. The whole setup is better suited for a flat-water paddle than a surf session.
Rusty
Short Range ForecastMostly dry. Warm (max 23°C on Tue afternoon, min 14°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Thu afternoon, min 13°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||
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 12 | W 11 | NW 4 | W 11 | W 10 | W 16 | W 10 | W 9 | W 9 | W 9 | W 8 | W 8 | W 13 | WSW 3 | W 3 | W 4 | W 5 | WSW 7 | WNW 6 | W 6 | W 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3 | 2 | 2 | 2 | 2 | 5 | 8 | 7 | 6 | 6 | 1 | 1 | 3 | 2 | 2 | 6 | 42 | 111 | 104 | 36 | 24 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | off | on | cross | off | glassy | cross | cross-off | glassy | cross-off | off | cross | cross | cross | cross-off | cross | cross-off | cross-off | cross-off | off |
High Tide | 11:23AM8.43m | 11:40PM8.45m | 12:03PM7.96m | 00:23AM7.94m | 12:51PM7.52m | 1:15AM7.47m | 1:53PM7.20m | 2:22AM7.17m | 3:07PM7.14m | 3:36AM7.15m | 4:18PM7.38m | 4:45AM7.40m | 5:18PM7.78m | ||||||||
Low Tide | 5:21PM2.03m | 5:48AM2.25m | 6:03PM2.48m | 6:32AM2.72m | 6:55PM2.92m | 7:29AM3.13m | 8:02PM3.24m | 8:40AM3.34m | 9:16PM3.29m | 9:53AM3.26m | 10:24PM3.08m | 10:57AM2.97m | 11:22PM2.74m | ||||||||
 | |  | | | | | | | | | | | |  |  | | | | | | |
 | 5:20 | — | — | 5:22 | — | — | 5:24 | — | — | 5:24 | — | — | 5:26 | — | — | 5:28 | — | — | 5:28 | — | — |
 | — | — | 9:22 | — | — | 9:21 | — | — | 9:19 | — | — | 9:17 | — | — | 9:16 | — | — | 9:15 | — | — | 9:14 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 22 | 19 | 21 | 23 | 20 | 19 | 22 | 21 | 22 | 25 | 20 | 20 | 22 | 18 | 17 | 16 | 17 | 18 | 19 | 16 |
Feels °C | 17 | 18 | 16 | 20 | 20 | 17 | 18 | 19 | 18 | 21 | 22 | 18 | 17 | 17 | 16 | 14 | 13 | 16 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 8 | NW 4 | W 11 | W 10 | W 10 | W 10 | W 9 | NW 4 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | — | WSW 7 | W 6 | W 6 | W 7 |
| kJ | 2 | 1 | 2 | 2 | 2 | 2 | 8 | 7 | 2 | 6 | 1 | 1 | 1 | 1 | 1 | 1 | — | 111 | 80 | 36 | 24 |
Swell 2 Height (m) Direction Period (s) | — | — | W 8 | W 7 | W 7 | W 7 | — | — | W 9 | W 15 | — | — | W 13 | — | — | — | — | — | — | — | NW 4 |
| kJ | — | — | 1 | 1 | 1 | 1 | — | — | 6 | 4 | — | — | 3 | — | — | — | — | — | — | — | 9 |
Swell 3 Height (m) Direction Period (s) | W 12 | W 11 | W 11 | — | — | W 16 | W 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 2 | 2 | — | — | 5 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NW 4 | NNW 4 | NW 3 | — | — | — | — | — | WSW 3 | W 3 | W 4 | W 5 | — | WNW 6 | WNW 5 | NNW 4 |
| kJ | — | — | — | — | — | 3 | 1 | 3 | — | — | — | — | — | 2 | 2 | 6 | 42 | — | 104 | 54 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 201 | 903 | 375 | 85 | 189 | 196 | 196 | 473 | 349 | 134 | 899 | 365 | 437 | 1968 | 426 | 785 | 1700 | 0 | 0 | 473 | 14 |
Best forecast wave conditions in Wales - Gower | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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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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