Surf Forecasts:
Sandy Mouth surf forecast from 12 Aug 2026:
- Best quality surf: Thursday 13 Aug, 1AM (local time) - 2.5ft (0.8m), 10s period, W swell with glassy winds.
- Most powerful swell: Thursday 13 Aug, 10AM (local time) - 3.5ft (1.0m), 11s period, W swell with 224 kJ wave energy.
- Next surfable swell (1★+): Thursday 13 Aug, 1AM (local time) - 2.5ft (0.8m), 10s period with W swell.
Best Forecast Surf Conditions for Sandy Mouth this week:
The surf forecast for Sandy Mouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 13) at 1AM. The primary swell is predicted to be 0.8m and 10s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Sandy Mouth in the next 16 days are 1.0m 11s and forecast to arrive on Thursday (Aug 13) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Thu 13th Aug) | 2.5ft (0.8m) 10s |
| Best Surf | 1AM (Thu 13th Aug) | 2.5ft (0.8m) 10s |
| Most Powerful | 10AM (Thu 13th Aug) | 3.5ft (1.0m) 11s |
Table - best surf conditions forecast for Sandy Mouth over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s talk about what’s cooking at Sandy Mouth.
Look, I gotta be straight with you – we’ve got a long stretch of pretty grim conditions ahead before we see anything worth paddling out for. The water’s sitting at 66°, which is *much warmer* than normal for this time of year, so the feel is off, but that’s about the only good news for a while.
The first week is a write-off. We’re starting on the 12th of August with tiny, weak 2.3ft west swell and a cross-shore wind that’s just chopping it up. The combined energy is barely there at 89. That theme carries through for days. We get a bit of a pulse on the 15th, but with an 18.6 mph onshore wind, it’s lumpy and miserable. The 16th and 17th see the swell drop to almost nothing – 1.3ft and 1.0ft with period so short it’s barely a ripple. Even the clean conditions on the 16th morning can't save it because there's no energy.
Things pick up in size around the 19th and 20th, with swell hitting 4.6ft to 6.6ft from the WNW, but the wind is stuck in a nasty cross-onshore groove with moderate to fresh breezes. The energy jumps to 375 on the 20th morning, but the surf is chopped and messy. This is the kind of setup that’d be far more interesting for a kite surfer than a paddle surfer.
There’s a huge gap of poor conditions all the way to the 23rd. Then, finally, on the morning of Monday the 24th of August, we get a real standout. The wind goes light and cross-off from the SSE, the 5.2ft west swell has a clean face, and the combined energy is a solid 335. It’s not huge, but the conditions are clean. This is the only session in the whole 16 days where the wave comment actually says "expect good surf conditions". It’s a true highlight. The period is only 8 seconds, so it’s a windswell, not a groundswell, but the clean conditions and light breeze will make it fun. After that, it’s back to poor conditions and choppy wind for the rest of the run.
So, to be clear - if you want a paddle, the only window is the morning of the 24th. It’s not firing, but it’s the one clean chance we get.
Short Range ForecastMostly dry. Warm (max 31°C on Wed afternoon, min 15°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 20°C on Tue morning, min 14°C on Sat night). Winds decreasing (fresh winds from the NNW on Sat afternoon, light winds from the NNE by Sun night). | |||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||
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 10 | W 10 | W 11 | W 10 | W 10 | W 9 | W 9 | W 8 | W 8 | W 8 | N 5 | W 7 | W 7 | W 7 | W 7 | W 9 | W 6 | W 7 | W 6 | W 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 88 | 115 | 224 | 196 | 149 | 104 | 99 | 107 | 61 | 58 | 61 | 20 | 15 | 15 | 8 | 13 | 98 | 91 | 81 | 112 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross-on | cross-on | on | on | cross-on | cross | cross | cross-on | cross | cross-off | cross | cross | cross | cross-on | on | on | on | on |
High Tide | 6:27PM7.71m | 6:51AM7.59m | 7:11PM8.06m | 7:34AM7.80m | 7:52PM8.19m | 8:13AM7.81m | 8:32PM8.07m | 8:52AM7.63m | 9:10PM7.75m | 9:29AM7.30m | 9:47PM7.27m | 10:06AM6.84m | 10:25PM6.68m | |||||||
Low Tide | 00:45AM0.27m | 1:01PM0.26m | 1:28AM0.02m | 1:42PM0.08m | 2:07AM-0.02m | 2:20PM0.11m | 2:44AM0.14m | 2:57PM0.32m | 3:20AM0.48m | 3:34PM0.69m | 3:55AM0.94m | 4:10PM1.17m | ||||||||
 |  | | |  |  | | | | | |  | | | | | | | |  | |
 | — | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — | 6:07 | — | — | 6:09 | — | — |
 | 8:45 | — | — | 8:43 | — | — | 8:40 | — | — | 8:39 | — | — | 8:37 | — | — | 8:36 | — | — | 8:34 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 31 | 22 | 22 | 21 | 19 | 21 | 20 | 18 | 18 | 18 | 15 | 17 | 18 | 15 | 17 | 18 | 18 | 20 | 20 | 19 |
Feels °C | 28 | 24 | 22 | 20 | 20 | 21 | 19 | 17 | 14 | 13 | 11 | 14 | 15 | 12 | 15 | 16 | 18 | 17 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 11 | W 10 | W 10 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | W 9 | W 6 | W 7 | W 17 | W 17 |
| kJ | 88 | 115 | 224 | 196 | 149 | 104 | 99 | 107 | 61 | 58 | 40 | 17 | 15 | 15 | 8 | 13 | 98 | 91 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 18 | NNW 3 | — | W 16 | W 17 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 1 | — | 5 | 6 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 10 | W 18 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 6 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 2 | — | — | — | — | — | — | NNW 4 | N 5 | NNW 5 | N 5 | N 4 | N 4 | N 4 | — | SW 3 | — | — | W 6 | W 6 |
| kJ | 1 | — | — | — | — | — | — | 13 | 55 | 37 | 61 | 20 | 7 | 7 | — | 5 | — | — | 81 | 112 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 35 | 0 | 57 | 278 | 47 | 47 | 120 | 68 | 334 | 319 | 103 | 248 | 102 | 398 | 402 | 96 | 38 | 47 | 334 | 235 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
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Information about the Sandy Mouth Surf forecast
The above surf forecast table for Sandy Mouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sandy Mouth can be found by selecting the local surf guide option on the grey menu. Our Sandy Mouth 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 (Sandy Mouth) 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 Sandy Mouth 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.
Sandy Mouth is 2 km (1 miles) from Bude. If you plan a holiday in North Cornwall, look for hotels and other accommodation in Bude. Bude has rooms for a wide range of budgets as well as car hire and transport links.
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