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Surf Forecasts:
The Boiler surfForecast / Wales – Gower / UK
48hr Weather and Surf, issued 6 am Sunday 17 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 11AM is: 1.0m 6s primary swell from a West direction and 0.3m 12s secondary swell from a West-southwest direction, 0.1m 15s secondary swell from a West direction (forecast issued at 06:00am May 17). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 3.5ft (1.0m) | 6s |
| Afternoon (17 May) | 4ft (1.2m) | 6s |
| Evening (17 May) | 4.5ft (1.4m) | 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 21mm), heaviest during Mon night. Very mild (max 13°C on Tue morning, min 9°C on Sun afternoon). Winds increasing (light winds from the W on Sun night, strong winds from the SW by Tue night). | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 7 | W 7 | W 6 | W 6 | WSW 6 | W 12 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | SW 7 | SW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 8 | WSW 8 | |
107 | 107 | 86 | 100 | 117 | 132 | 135 | 139 | 161 | 149 | 149 | 118 | 75 | 59 | 57 | 41 | 55 | 138 | 178 | 257 | 345 | 379 | 382 | 476 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 7:15AM9.52m | 7:36PM9.58m | 8:03AM9.54m | 8:22PM9.58m | 8:51AM9.39m | 9:10PM9.41m | ||||||||||||||||||
Low Tide | 1:17PM1.01m | 1:40AM1.02m | 2:03PM1.05m | 2:28AM1.10m | 2:49PM1.23m | |||||||||||||||||||
 |  | | | | |  | | |  |  |  | | | | | |  | | |  | | |  | |
 | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | 5:16 |
 | — | — | — | — | — | 9:02 | — | — | — | — | — | — | — | 9:05 | — | — | — | — | — | — | — | 9:06 | — | 9:07 |
— | — | — | — | — | — | 1 | 2 | 1 | 1 | 1 | — | — | — | 1 | 2 | 4 | 6 | 1 | 1 | — | — | — | — | |
Temp °C | 9 | 9 | 10 | 11 | 11 | 9 | 10 | 9 | 9 | 9 | 10 | 11 | 12 | 12 | 11 | 11 | 12 | 12 | 13 | 13 | 13 | 12 | 12 | 13 |
5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 5 | 6 | 7 | 7 | 8 | 9 | 6 | 5 | 6 | 6 | 8 | 7 | 6 | 6 | 6 | 6 | |
Swell 1 Height (m) Direction Period (s) | W 7 | W 7 | WSW 12 | WSW 12 | W 12 | W 12 | W 11 | WSW 11 | WSW 11 | WSW 7 | WSW 7 | WSW 7 | WSW 10 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 7 | W 15 | W 15 | — | W 14 | W 13 | WSW 16 |
 kJ | 107 | 107 | 29 | 49 | 102 | 132 | 92 | 41 | 40 | 149 | 149 | 118 | 32 | 59 | 57 | 41 | 55 | 48 | 4 | 4 | — | 4 | 3 | 52 |
Swell 2 Height (m) Direction Period (s) | W 13 | WSW 13 | W 15 | — | — | — | W 12 | W 11 | WSW 11 | WSW 11 | WSW 11 | W 10 | W 10 | WSW 10 | WSW 10 | W 10 | WSW 9 | SE 4 | W 15 | — | — | W 18 | W 13 | W 14 |
| kJ | 14 | 17 | 4 | — | — | — | 96 | 61 | 24 | 25 | 24 | 2 | 33 | 20 | 10 | 8 | 8 | 2 | 4 | — | — | 6 | 3 | 14 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | W 6 | W 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 7 | — | — | — | WSW 6 | — | — | SSE 3 | SSE 4 | SW 7 | SW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 8 | WSW 8 |
| kJ | — | — | 86 | 100 | 117 | 126 | 135 | 139 | 161 | — | — | — | 75 | — | — | 2 | 15 | 138 | 178 | 257 | 345 | 379 | 382 | 476 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 151 | 0 | 352 | 352 | 365 | 365 | 181 | 360 | 144 | 0 | 19 | 133 | 133 | 67 | 273 | 440 | 426 | 422 | 462 | 473 | 464 | 365 | 320 | 320 |
Best forecast wave conditions in Wales - Gower | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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