Surf Forecasts:
Sandy Mouth surf forecast from 29 Aug 2026:
- Best quality surf: Sunday 6 Sep, 1AM (local time) - 4.5ft (1.4m), 8s period, W swell with cross-offshore winds.
- Most powerful swell: Friday 4 Sep, 4AM (local time) - 10ft (3.0m), 9s period, W swell with 1,691 kJ wave energy.
- Next surfable swell (1★+): Sunday 6 Sep, 1AM (local time) - 4.5ft (1.4m), 8s 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 Sunday (Sep 06) at 1AM. The primary swell is predicted to be 1.4m and 8s period with a secondary swell of 0.1m and 13s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Sandy Mouth in the next 16 days are 3.0m 9s and forecast to arrive on Friday (Sep 04) at 4AM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Sun 6th Sep) | 4.5ft (1.4m) 8s |
| Best Surf | 1AM (Sun 6th Sep) | 4.5ft (1.4m) 8s |
| Most Powerful | 4AM (Fri 4th Sep) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for Sandy Mouth over the next 16 days.
The Lowdown
Right, let’s have a look at what’s on the table for Sandy Mouth over the next couple of weeks. I gotta be straight with you – the first week is a write-off. Saturday the 29th of August through to Monday the 7th of September, it’s a long stretch of poor surf conditions. The wind is mostly onshore or cross-onshore, with a moderate to fresh breeze, making things lumpy and choppy. Even when there’s swell, it’s ragged and ugly. You’re not missing a thing.
That said, there’s a flicker of hope. The standout window kicks off on Monday morning the 7th of September. That morning, the wind goes glassy from the southeast at just 3 mph, and we’ve got a clean 6 ft swell rolling in from the west, with a period of 11 seconds. The combined energy is strong at 722 – there’s some proper grunt in the water. The waves will have shape and power, and with that glassy surface, it’s going to be clean. Now, that west swell at 6 ft is pushing into the beach break here, and with that long period, the sets will be more defined and have good punch. It’s not too big for intermediates, but beginners might find it a bit much. Crowds are possible here, so get in early.
A close second is Friday the 11th of September. The morning brings a light cross-off breeze from the southeast, with a 5 ft west swell, period 10 seconds, and very high energy at 875. That’s a powerful groundswell, and the conditions look clean. The water is still warm – a notable 66°F on that first good day, which is much warmer than normal for this time of year.
After that, there’s a bit more surf through to the end of the window, but nothing quite as good as that Monday and Friday. Thursday the 10th and Sunday the 13th have some size and period, but the wind is more onshore or cross, so expect a bit of chop.
All in all, hold out for that Monday the 7th and Friday the 11th. They’re the real deals.
Rusty
Short Range ForecastModerate rain (total 13mm), heaviest on Sun afternoon. Very mild (max 18°C on Sat afternoon, min 15°C on Sun night). Winds decreasing (strong winds from the W on Sat afternoon, light winds from the SW by Mon night). | Days 5-7 Weather SummaryLight rain (total 5mm), mostly falling on Wed night. Very mild (max 19°C on Wed afternoon, min 15°C on Tue night). Winds increasing (light winds from the SW on Tue night, fresh winds from the W by Thu night). | |||||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | ||||||||||||||
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) | WSW 6 | W 9 | W 9 | WSW 8 | W 9 | W 10 | W 10 | W 10 | W 9 | W 9 | W 8 | WSW 6 | W 8 | W 8 | W 8 | W 8 | W 9 | WNW 9 | WNW 8 | W 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 266 | 492 | 264 | 367 | 1062 | 1070 | 752 | 314 | 157 | 123 | 84 | 115 | 397 | 382 | 346 | 516 | 1622 | 1437 | 800 | 292 |
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 | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | on | on |
High Tide | 7:33PM7.75m | 7:50AM7.58m | 8:06PM7.85m | 8:24AM7.62m | 8:41PM7.77m | 8:59AM7.50m | 9:18PM7.52m | 9:37AM7.22m | 9:58PM7.11m | 10:20AM6.80m | 10:45PM6.58m | 11:12AM6.29m | 11:46PM6.02m | |||||||
Low Tide | 1:43AM0.30m | 1:54PM0.30m | 2:13AM0.25m | 2:26PM0.31m | 2:46AM0.35m | 3:00PM0.47m | 3:21AM0.61m | 3:38PM0.78m | 4:00AM1.02m | 4:22PM1.23m | 4:48AM1.54m | 5:18PM1.75m | ||||||||
 |  |  |  |  |  |  |  | | | | | |  |  | | | | |  | |
 | — | — | 6:26 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — |
 | 8:10 | — | — | 8:08 | — | — | 8:06 | — | — | 8:04 | — | — | 8:01 | — | — | 8:00 | — | — | 7:58 | — |
mm | — | 1 | 1 | 5 | 5 | 1 | — | — | — | — | — | — | — | 4 | — | — | 1 | — | — | — |
Temp °C | 18 | 17 | 18 | 17 | 16 | 15 | 16 | 16 | 18 | 18 | 16 | 18 | 19 | 18 | 18 | 17 | 16 | 16 | 16 | 16 |
Feels °C | 12 | 13 | 14 | 12 | 11 | 9 | 11 | 14 | 15 | 15 | 15 | 13 | 15 | 14 | 14 | 11 | 10 | 10 | 11 | 13 |
Swell 1 Height (m) Direction Period (s) | — | W 9 | W 9 | — | — | — | — | W 10 | W 9 | W 18 | W 8 | W 16 | W 16 | W 15 | W 15 | — | — | — | W 14 | WNW 11 |
| kJ | — | 492 | 264 | — | — | — | — | 314 | 157 | 6 | 84 | 5 | 5 | 4 | 4 | — | — | — | 4 | 153 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNW 5 | W 18 | — | W 16 | — | — | — | — | — | — | — | — | W 14 |
| kJ | — | — | — | — | — | — | — | 8 | 6 | — | 5 | — | — | — | — | — | — | — | — | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 6 | — | — | WSW 8 | W 9 | W 10 | W 10 | — | — | W 9 | — | WSW 6 | W 8 | W 8 | W 8 | W 8 | W 9 | WNW 9 | WNW 8 | W 8 |
| kJ | 266 | — | — | 367 | 1062 | 1070 | 752 | — | — | 123 | — | 115 | 397 | 382 | 346 | 516 | 1622 | 1437 | 800 | 292 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 88 | 57 | 402 | 468 | 91 | 278 | 91 | 22 | 47 | 47 | 70 | 825 | 240 | 286 | 537 | 278 | 278 | 341 | 97 | 56 |
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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