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Grunta Beach surfForecast / Devon (North) / UK
48hr Weather and Surf, issued 6 pm Sunday 17 May 2026 BSTForecast update in hr min s Forecast update imminent
Grunta Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Grunta Beach sea temperature is
11.7° C
(Which is normal for this time of year)How big are the waves at Grunta Beach today?
The current surf forecast for Grunta Beach at 1AM is: 2.0m 7s primary swell from a West direction and 0.5m 11s secondary swell from a West direction (forecast issued at 06:00pm May 17). The wind direction is predicted to be onshore.
| 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 Grunta Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 23mm), heaviest during Mon night. Very mild (max 13°C on Mon night, min 10°C on Sun afternoon). Winds increasing (moderate winds from the SSW on Mon afternoon, near gales from the SW by Tue night). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 4 AM | 7 AM | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 12 | W 12 | W 6 | W 7 | W 7 | W 7 | W 7 | W 7 | WSW 7 | WSW 7 | WSW 6 | WSW 7 | SW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 10 | WSW 14 | WSW 13 | WSW 13 | |
472 | 132 | 219 | 377 | 478 | 434 | 352 | 264 | 197 | 135 | 117 | 114 | 211 | 271 | 372 | 499 | 696 | 789 | 1003 | 1016 | 1406 | 3201 | 2658 | 2224 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 7:16PM9.28m | 7:42AM9.24m | 8:02PM9.27m | 8:29AM9.08m | 8:48PM9.09m | 9:18AM8.75m | ||||||||||||||||||
Low Tide | 1:21AM0.69m | 1:43PM0.72m | 2:08AM0.78m | 2:29PM0.94m | 2:57AM1.04m | |||||||||||||||||||
 |  |  | | | | | | | | | | | |  |  | | | | |  | | |  | |
 | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — |
 | — | 9:02 | — | — | — | — | — | — | — | 9:04 | — | — | — | — | — | — | — | 9:05 | — | — | — | — | — | 9:07 |
— | 1 | 1 | 2 | 2 | 1 | 1 | 1 | — | 1 | 3 | 2 | 2 | 1 | 1 | — | — | — | 1 | 3 | — | — | — | — | |
Temp °C | 11 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 12 | 11 | 11 | 12 | 13 | 12 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 13 |
4 | 3 | 3 | 2 | 2 | 3 | 4 | 5 | 7 | 5 | 5 | 5 | 7 | 6 | 6 | 5 | 5 | 5 | 4 | 3 | 6 | 6 | 7 | 7 | |
Swell 1 Height (m) Direction Period (s) | W 12 | W 12 | W 11 | W 11 | W 12 | W 11 | W 11 | — | W 11 | WSW 7 | WSW 6 | WSW 7 | WSW 7 | W 19 | W 15 | W 15 | — | W 14 | — | W 16 | WSW 15 | WSW 14 | — | — |
 kJ | 102 | 132 | 64 | 63 | 46 | 41 | 39 | — | 37 | 135 | 117 | 114 | 115 | 7 | 4 | 4 | — | 4 | — | 188 | 395 | 2343 | — | — |
Swell 2 Height (m) Direction Period (s) | W 9 | — | — | — | — | — | — | — | — | W 10 | W 10 | W 10 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 23 | — | — | — | — | — | — | — | — | 33 | 18 | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 12 | W 6 | W 6 | W 7 | W 7 | W 7 | W 7 | W 7 | WSW 7 | — | — | S 4 | SW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 10 | WSW 14 | WSW 13 | WSW 13 |
| kJ | 472 | 132 | 219 | 377 | 478 | 434 | 352 | 264 | 197 | — | — | 17 | 211 | 271 | 372 | 499 | 696 | 789 | 1003 | 1016 | 1406 | 3201 | 2658 | 2224 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 404 | 404 | 342 | 342 | 184 | 94 | 94 | 90 | 67 | 253 | 253 | 403 | 403 | 23 | 458 | 352 | 438 | 357 | 437 | 352 | 476 | 440 | 279 | 279 |
Best forecast wave conditions in North Devon | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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