Surf Forecasts:
Whitsand Bay and Tregantle surf forecast from 21 Aug 2026:
- Most powerful swell: Wednesday 26 Aug, 7PM (local time) - 6ft (1.8m), 7s period, SSW swell with 316 kJ wave energy.
Best Forecast Surf Conditions for Whitsand Bay and Tregantle this week:
The most powerful waves expected at Whitsand Bay and Tregantle in the next 16 days are 1.8m 7s and forecast to arrive on Wednesday (Aug 26) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Monday (Aug 24) at 1PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7PM (Wed 26th Aug) | 6ft (1.8m) 7s |
Table - best surf conditions forecast for Whitsand Bay and Tregantle over the next 16 days.
The Lowdown
Alright, let’s see what we’ve got. To be honest, it’s looking pretty bleak for Whitsand Bay and Tregantle. We’re staring down a long stretch of nothing that’s worth paddling out for.
It starts on Friday the 21st of August. We’ve got a tiny swell, only about 1 feet from the WSW, and a cross-off wind from the NNW at 15 mph, which would be fine, but there’s just no power behind it. The wave energy is weak (43). The water is sitting at 65°, which is a touch warmer than normal, but that doesn’t help when the waves are flat. This poor run continues right through the weekend. Saturday the 22nd is even smaller at 0.7 feet, and Sunday the 23rd, although the wind is light from the east, that 0.7-foot swell isn’t going to offer anything.
The whole next week is a struggle. From Monday the 24th to Friday the 28th, we get a mix of clean, tiny waves under 2 feet, and then a jump in size on Wednesday the 26th afternoon to 5 feet, but the wind is a messy cross-on from the SSE at 15 mph, making it ugly. The energy is moderate (202), but the quality is poor. That pattern just repeats: a bit of size, but always with a bad wind. On Friday the 28th afternoon, the swell hits 5 feet from the SW with a strong onshore breeze of 25 mph, and the energy ramps up to 326. That’s not surfable for us; it’s just a blown-out mess.
The only real standout in this whole sorry outlook is the afternoon of Monday the 31st of August. We get a 6-foot swell from the WSW, and even though the wind is onshore from the SSW at 12 mph, the energy is pumping hard at 581. That’s a lot of water moving. For a spot like this, which is an exposed beach-and-reef setup, that kind of onshore wind and solid swell is going to be a messy, churning beast. It’s the biggest swell of the period, but the quality is poor, so it’s really more of a kite-surfing day than a clean paddle session.
After that, the first week of September just fizzles out. We’re back to tiny waves under 3 feet and onshore or cross-shore winds. The entire 16-day window is a dead loss. There’s a long gap with no real recommendations. It’s one of those blank runs that this area can get. The forecast can always change, but right now, I’d say keep the boards in the shed.
Rusty.
Short Range ForecastMostly dry. Very mild (max 19°C on Sun morning, min 13°C on Fri night). Winds increasing (calm on Sat afternoon, fresh winds from the E by Sun night). | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Wed night. Warm (max 20°C on Mon night, min 17°C on Mon morning). Winds decreasing (strong winds from the E on Mon morning, light winds from the SE by Tue night). | ||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||
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) | WSW 9 | WSW 8 | WSW 8 | WSW 10 | SSW 15 | SSW 15 | SSW 14 | SW 13 | SW 10 | SW 10 | SSW 13 | SSW 13 | SW 9 | SW 9 | SSW 8 | SSW 5 | SSW 7 | SSW 7 | WNW 8 | SSW 7 | W 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 31 | 24 | 14 | 9 | 21 | 21 | 20 | 27 | 25 | 17 | 16 | 17 | 19 | 37 | 46 | 30 | 198 | 183 | 96 | 70 | 64 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross-off | cross-on | off | cross-off | cross | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross-on | on | cross-on |
High Tide | 12:31PM4.30m | 1:05AM4.12m | 1:49PM4.13m | 2:33AM4.01m | 3:13PM4.16m | 3:53AM4.11m | 4:23PM4.37m | 4:55AM4.34m | 5:15PM4.64m | 5:41AM4.61m | 5:58PM4.92m | 6:21AM4.86m | 6:36PM5.16m | ||||||||
Low Tide | 6:56PM2.46m | 7:34AM2.55m | 8:25PM2.59m | 9:01AM2.59m | 9:47PM2.47m | 10:14AM2.41m | 10:48PM2.19m | 11:06AM2.11m | 11:33PM1.85m | 11:48AM1.77m | 00:11AM1.52m | 12:24PM1.44m | 00:45AM1.21m | ||||||||
 | |  | | | |  | |  | | | | | |  | |  |  |  |  | | |
 | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — | 6:20 | — | — | 6:22 | — | — |
 | — | 8:24 | — | — | 8:22 | — | — | 8:21 | — | — | 8:19 | — | — | 8:16 | — | — | 8:15 | — | — | 8:13 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 5 | 2 | 1 | — |
Temp °C | 18 | 18 | 14 | 18 | 17 | 16 | 19 | 19 | 17 | 19 | 19 | 20 | 19 | 19 | 18 | 19 | 20 | 18 | 18 | 18 | 16 |
Feels °C | 13 | 12 | 11 | 14 | 13 | 12 | 16 | 15 | 14 | 11 | 12 | 12 | 14 | 16 | 17 | 18 | 17 | 15 | 12 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | WSW 9 | WSW 8 | WSW 8 | WSW 10 | WSW 10 | SSW 15 | SSW 14 | SW 13 | SW 10 | SW 10 | SSW 13 | SW 9 | SW 9 | SW 9 | SSW 8 | SSW 8 | W 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 |
| kJ | 31 | 24 | 14 | 9 | 9 | 21 | 20 | 27 | 25 | 14 | 16 | 3 | 19 | 37 | 46 | 24 | 1 | 183 | 96 | 70 | 18 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 14 | SW 15 | SSW 15 | ESE 5 | W 9 | W 8 | SSW 14 | SSW 13 | SW 9 | SSW 13 | SW 13 | SE 4 | S 3 | W 9 | S 12 | SE 5 | W 8 | WSW 9 | S 12 |
| kJ | 7 | 7 | 7 | 9 | 21 | 3 | 2 | 1 | 19 | 17 | 3 | 17 | 7 | 6 | 1 | 2 | 3 | 17 | 12 | 29 | 3 |
Swell 3 Height (m) Direction Period (s) | S 16 | S 16 | SW 16 | SW 12 | SW 12 | W 9 | SE 5 | — | SW 14 | W 9 | — | W 9 | W 11 | E 6 | W 10 | S 12 | — | W 8 | SSE 4 | SE 4 | — |
| kJ | 5 | 5 | 10 | 6 | 6 | 6 | 1 | — | 7 | 2 | — | 2 | 2 | 3 | 2 | 3 | — | 1 | 2 | 1 | — |
Wind waves Height (m) Direction Period (s) | NNW 3 | NW 3 | NNW 3 | ENE 3 | ESE 3 | — | ESE 4 | SE 5 | ESE 5 | ESE 6 | ESE 5 | E 5 | ESE 5 | — | — | SSW 5 | SSW 7 | — | WNW 8 | WNW 3 | W 7 |
| kJ | 1 | 2 | 1 | 2 | 3 | — | 1 | 14 | 21 | 137 | 144 | 122 | 56 | — | — | 30 | 198 | — | 83 | 9 | 64 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 12 | 189 | 54 | 47 | 106 | 12 | 58 | 54 | 57 | 446 | 188 | 188 | 188 | 70 | 57 | 193 | 132 | 30 | 281 | 320 | 231 |
Best forecast wave conditions in South Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Information about the Whitsand Bay and Tregantle Surf forecast
The above surf forecast table for Whitsand Bay and Tregantle provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Whitsand Bay and Tregantle can be found by selecting the local surf guide option on the grey menu. Our Whitsand Bay and Tregantle 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 (Whitsand Bay and Tregantle) 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 Whitsand Bay and Tregantle 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.
Are you planning a holiday in South Cornwall? If you are looking for accommodation near Whitsand Bay and Tregantle, camping, hotels and holiday cottages in South Cornwall, consider staying in Plymouth which is 7 km (4 miles) away. Other places in and around South Cornwall where you can find information about places to rent, and car hire include Fowey which is 27 km (17 miles) away, Brent, Par and Bodmin.
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