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Grunta Beach surfForecast / Devon (North) / UK
48hr Weather and Surf, issued 6 pm Monday 18 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
11.6° 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 12AM is: 1.3m 7s primary swell from a West-southwest direction and 0.3m 10s secondary swell from a West direction, 0.8m 4s secondary swell from a South direction (forecast issued at 06:00pm May 18). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 5.5ft (1.7m) | 8s |
| Afternoon (19 May) | 6.5ft (2.0m) | 8s |
| Evening (19 May) | 8ft (2.5m) | 9s |
Table - waves today at Grunta Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Mon night. Very mild (max 18°C on Thu morning, min 11°C on Mon afternoon). Winds decreasing (strong winds from the SW on Tue night, light winds from the SW by Thu morning). | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 7 | WSW 7 | W 7 | WSW 7 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 10 | WSW 13 | W 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 10 | |
198 | 145 | 107 | 153 | 305 | 326 | 403 | 432 | 597 | 782 | 998 | 1119 | 1633 | 2801 | 2576 | 2224 | 1808 | 1365 | 1009 | 847 | 647 | 559 | 503 | 385 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | 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 | cross-on | cross | cross | cross | cross | cross-on | |
High Tide | 8:02PM9.27m | 8:29AM9.08m | 8:48PM9.09m | 9:18AM8.75m | 9:38PM8.75m | 10:10AM8.31m | ||||||||||||||||||
Low Tide | 1:43PM0.72m | 2:08AM0.78m | 2:29PM0.94m | 2:57AM1.04m | 3:17PM1.30m | 3:50AM1.44m | ||||||||||||||||||
 |  |  | | | | | |  | | |  | | |  | | | |  |  |  | | | | |
 | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — |
 | — | 9:04 | — | — | — | — | — | — | — | 9:05 | — | — | — | — | — | — | — | 9:07 | — | — | — | — | — | 9:07 |
— | 2 | 3 | 1 | 2 | — | 1 | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 11 | 12 | 13 | 13 | 13 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 14 | 13 | 14 | 14 | 16 | 18 |
6 | 6 | 4 | 5 | 7 | 7 | 6 | 6 | 5 | 3 | 3 | 4 | 5 | 6 | 7 | 7 | 8 | 9 | 11 | 9 | 10 | 10 | 13 | 17 | |
Swell 1 Height (m) Direction Period (s) | WSW 7 | WSW 7 | W 7 | WSW 7 | WSW 8 | WSW 8 | W 15 | W 15 | — | — | W 13 | W 16 | W 15 | W 14 | — | — | — | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 10 |
 kJ | 198 | 145 | 107 | 153 | 151 | 212 | 4 | 4 | — | — | 3 | 188 | 465 | 2394 | — | — | — | 1365 | 1009 | 847 | 647 | 559 | 503 | 385 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 11 | W 10 | — | — | — | — | — | — | — | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 35 | 21 | 19 | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | S 4 | S 4 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 10 | WSW 13 | W 13 | WSW 13 | WSW 13 | — | — | — | — | — | — | — |
| kJ | — | — | 12 | 18 | 305 | 326 | 403 | 432 | 597 | 782 | 998 | 1119 | 1633 | 2801 | 2576 | 2224 | 1808 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 23 | 231 | 253 | 424 | 458 | 458 | 471 | 459 | 352 | 428 | 428 | 440 | 373 | 279 | 279 | 469 | 140 | 90 | 23 | 23 | 23 | 23 | 23 | 3 |
Best forecast wave conditions in North Devon | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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