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Surf Forecasts:
The Boiler surfForecast / Wales – Gower / UK
48hr Weather and Surf, issued 12 am Monday 18 May 2026 BSTForecast update in hr min s Forecast update imminent
The Boiler surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Boiler sea temperature is
12.9° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at The Boiler today?
The current surf forecast for The Boiler at 7AM is: 2.0m 7s primary swell from a West-southwest direction and 0.3m 12s secondary swell from a West direction (forecast issued at 12:00am May 18). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 6ft (1.9m) | 7s |
| Afternoon (18 May) | 5ft (1.5m) | 7s |
| Evening (18 May) | 4ft (1.2m) | 6s |
Table - waves today at The Boiler. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 34mm), heaviest during Sun night. Very mild (max 14°C on Wed afternoon, min 9°C on Sun night). Winds decreasing (strong winds from the WSW on Tue night, moderate winds from the SW by Wed afternoon). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | SW 6 | WSW 6 | SW 7 | SW 7 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | |
232 | 355 | 403 | 328 | 240 | 210 | 149 | 116 | 121 | 218 | 285 | 346 | 458 | 620 | 771 | 932 | 1010 | 1238 | 2867 | 2084 | 1730 | 1387 | 1246 | 905 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross-on | cross-on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 8:03AM9.54m | 8:22PM9.58m | 8:51AM9.39m | 9:10PM9.41m | 9:40AM9.09m | 9:59PM9.09m | ||||||||||||||||||
Low Tide | 1:40AM1.02m | 2:03PM1.05m | 2:28AM1.10m | 2:49PM1.23m | 3:17AM1.32m | 3:37PM1.56m | ||||||||||||||||||
 | |  | |  | | | | | | | | | | | | | | |  |  | | |  | |
 | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:05 | — | — | — | — | — | — | — | 9:06 | — | — | — | — | — | — | — | 9:07 | — |
3 | 5 | 2 | 2 | 1 | 1 | 1 | 2 | 3 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | — | — | — | — | — | |
Temp °C | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 13 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 14 |
2 | 4 | 3 | 4 | 5 | 5 | 5 | 5 | 5 | 7 | 6 | 8 | 6 | 6 | 4 | 5 | 5 | 5 | 7 | 7 | 7 | 9 | 10 | 12 | |
Swell 1 Height (m) Direction Period (s) | W 11 | W 12 | W 12 | W 11 | — | W 10 | WSW 10 | SW 6 | WSW 6 | W 19 | W 19 | W 15 | W 15 | — | — | — | W 16 | W 15 | WSW 14 | — | — | — | WSW 13 | WSW 12 |
 kJ | 63 | 46 | 25 | 23 | — | 2 | 19 | 116 | 121 | 7 | 7 | 4 | 4 | — | — | — | 188 | 471 | 2310 | — | — | — | 1246 | 905 |
Swell 2 Height (m) Direction Period (s) | — | W 12 | — | — | — | — | W 11 | WSW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 42 | — | — | — | — | 21 | 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | S 3 | S 4 | SW 7 | SW 7 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | — |
| kJ | 232 | 355 | 403 | 328 | 240 | 210 | 149 | 1 | 13 | 218 | 285 | 346 | 458 | 620 | 771 | 932 | 1010 | 1238 | 2867 | 2084 | 1730 | 1387 | 894 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 365 | 144 | 138 | 144 | 308 | 67 | 251 | 273 | 426 | 426 | 67 | 450 | 437 | 394 | 386 | 320 | 365 | 320 | 320 | 320 | 320 | 288 | 133 | 39 |
Best forecast wave conditions in Wales - Gower | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
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