Surf Forecasts:
Grunta Beach surf forecast from 5 Aug 2026:
- Best quality surf: Wednesday 12 Aug, 7AM (local time) - 2ft (0.6m), 10s period, W swell with cross-offshore winds.
- Most powerful swell: Wednesday 12 Aug, 1PM (local time) - 3ft (0.9m), 9s period, WSW swell with 144 kJ wave energy.
- Next surfable swell (1★+): Wednesday 12 Aug, 7AM (local time) - 2ft (0.6m), 10s period with W swell.
Best Forecast Surf Conditions for Grunta Beach this week:
The surf forecast for Grunta Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 12) at 7AM. The primary swell is predicted to be 0.6m and 10s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Grunta Beach in the next 16 days are 0.9m 9s and forecast to arrive on Wednesday (Aug 12) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Tuesday (Aug 11) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Wed 12th Aug) | 2ft (0.6m) 10s |
| Best Surf | 7AM (Wed 12th Aug) | 2ft (0.6m) 10s |
| Most Powerful | 1PM (Wed 12th Aug) | 3ft (0.9m) 9s |
Table - best surf conditions forecast for Grunta Beach over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 17°C on Wed night, min 14°C on Wed night). Winds decreasing (fresh winds from the WNW on Wed afternoon, calm by Thu night). | Days 4-6 Weather SummaryMostly dry. Warm (max 20°C on Sun morning, min 17°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | |||||||||||||||
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 7 | W 7 | W 6 | W 6 | W 6 | W 5 | W 9 | W 9 | W 9 | W 9 | WSW 8 | WSW 7 | WSW 7 | W 3 | WSW 6 | W 6 | W 5 | W 8 | W 8 | W 9 | WSW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 233 | 204 | 106 | 76 | 31 | 8 | 7 | 6 | 6 | 6 | 21 | 43 | 15 | 7 | 11 | 5 | 9 | 11 | 5 | 7 | 40 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | on | cross-on | glassy | on | glassy | glassy | cross-on | cross-on | cross | cross-on | cross-on | on | on | on | glassy | cross-on | glassy |
High Tide | 10:55AM8.05m | 11:20PM8.04m | 11:41AM7.67m | 00:14AM7.59m | 12:42PM7.28m | 1:25AM7.21m | 2:06PM7.09m | 2:55AM7.14m | 3:37PM7.34m | 4:21AM7.52m | 4:54PM7.94m | 5:31AM8.13m | 5:56PM8.63m | ||||||||
Low Tide | 4:45PM2.04m | 5:15AM2.16m | 5:36PM2.43m | 6:14AM2.58m | 6:51PM2.79m | 7:39AM2.86m | 8:30PM2.84m | 9:13AM2.73m | 10:00PM2.44m | 10:33AM2.23m | 11:11PM1.82m | 11:37AM1.61m | 00:12AM1.21m | ||||||||
 |  |  | | |  | | | | | | | | | | | | | | | | |
 | 5:46 | — | — | 5:48 | — | — | 5:48 | — | — | 5:50 | — | — | 5:52 | — | — | 5:54 | — | — | 5:56 | — | — |
 | — | 8:57 | — | — | 8:55 | — | — | 8:53 | — | — | 8:52 | — | — | 8:50 | — | — | 8:49 | — | — | 8:46 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 17 | 15 | 15 | 15 | 16 | 16 | 16 | 19 | 19 | 18 | 20 | 20 | 18 | 18 | 19 | 18 | 19 | 20 | 19 |
Feels °C | 11 | 10 | 12 | 12 | 11 | 12 | 14 | 13 | 15 | 17 | 16 | 17 | 17 | 15 | 16 | 17 | 16 | 15 | 19 | 18 | 20 |
Swell 1 Height (m) Direction Period (s) | — | W 13 | W 11 | W 6 | W 10 | W 5 | W 5 | W 9 | W 4 | W 9 | WSW 8 | WSW 7 | WSW 7 | W 8 | WSW 6 | W 6 | W 5 | W 8 | W 8 | W 9 | WSW 11 |
| kJ | — | 3 | 9 | 76 | 8 | 8 | 4 | 6 | 1 | 6 | 21 | 43 | 15 | 1 | 11 | 5 | 9 | 11 | 5 | 7 | 40 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 10 | W 12 | W 10 | W 9 | W 6 | W 9 | SW 9 | — | — | W 8 | — | W 8 | WSW 6 | WSW 6 | SW 6 | SW 6 | E 3 | W 7 |
| kJ | — | — | — | 8 | 3 | 7 | 7 | 1 | 6 | 3 | — | — | 1 | — | 5 | 4 | 4 | 2 | 2 | 1 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 12 | — | — | W 12 | — | — | — | — | — | W 8 | W 8 | W 8 | — | W 10 | W 5 | — |
| kJ | — | — | — | — | — | 3 | — | — | 3 | — | — | — | — | — | 1 | 5 | 5 | — | 2 | 1 | — |
Wind waves Height (m) Direction Period (s) | W 7 | W 7 | W 6 | — | W 6 | — | — | W 4 | — | — | — | — | — | W 3 | NNW 3 | — | — | — | ESE 2 | — | SE 6 |
| kJ | 233 | 204 | 106 | — | 31 | — | — | 4 | — | — | — | — | — | 7 | 1 | — | — | — | 1 | — | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 681 | 317 | 316 | 45 | 440 | 387 | 389 | 409 | 402 | 160 | 92 | 39 | 146 | 163 | 145 | 140 | 147 | 146 | 420 | 255 | 6 |
Best forecast wave conditions in North Devon | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Grunta Beach 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 Grunta Beach Surf forecast
The above surf forecast table for Grunta Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Grunta Beach can be found by selecting the local surf guide option on the grey menu. Our Grunta Beach 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 (Grunta Beach) 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 Grunta Beach 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.
Grunta Beach is 15 km (9 miles) from Appledore. If you plan a holiday in North Devon, look for hotels and other accommodation in Appledore. Appledore has rooms for a wide range of budgets as well as car hire and transport links.
Nearest