Surf Forecasts:
Whitsand Bay and Tregantle surf forecast from 13 Sep 2026:
- Best quality surf: Sunday 20 Sep, 10AM (local time) - 2.5ft (0.7m), 10s period, SW swell with glassy winds.
- Most powerful swell: Friday 18 Sep, 1AM (local time) - 3.5ft (1.0m), 9s period, W swell with 158 kJ wave energy.
- Next surfable swell (1★+): Sunday 20 Sep, 10AM (local time) - 2.5ft (0.7m), 10s period with SW swell.
Best Forecast Surf Conditions for Whitsand Bay and Tregantle this week:
The surf forecast for Whitsand Bay and Tregantle over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 20) at 10AM. The primary swell is predicted to be 0.7m and 10s period with a secondary swell of 0.2m and 14s. Another secondary swell of 0.1m and 14s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Whitsand Bay and Tregantle in the next 16 days are 1.0m 9s and forecast to arrive on Friday (Sep 18) at 1AM. 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 Wednesday (Sep 16) at 7AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Sun 20th Sep) | 2.5ft (0.7m) 10s |
| Best Surf | 10AM (Sun 20th Sep) | 2.5ft (0.7m) 10s |
| Most Powerful | 1AM (Fri 18th Sep) | 3.5ft (1.0m) 9s |
Table - best surf conditions forecast for Whitsand Bay and Tregantle over the next 16 days.
The Lowdown
Right then, Rusty here. Gotta be straight with you – the next couple of weeks are looking pretty grim for a proper paddle. We’ve got a long, long gap of poor conditions ahead before anything even gets close to rideable.
Looking at the whole run from now, it’s a tale of two parts: a lot of blown-out, messy junk, followed by a long stretch where there’s barely a ripple. The first week is all onshore or cross-shore wind, chewing up whatever small swell is around. You’ll see a lot of “poor surf conditions” in the notes, and that’s exactly what it is. The combined wave energy stays mostly weak to moderate, with values like 141 (moderate) on Sunday 13th September morning, but with a 12 mph onshore wind, it’s just not worth getting wet. The water temperature is 64°, which feels a touch warmer than normal for this time of year, so at least you won't be freezing while you’re sitting there watching the whitecaps.
The only half-decent window I can see, and I’m stretching the term, is on the morning of Sunday the 20th of September. Early doors at Whitsand Bay and Tregantle, the wind is forecast to go glassy – that’s a 3 mph light air. The swell is small, only 2 ft from the SW, with a moderate energy reading of 141. The period is 10 seconds, so it’s not groundswell with any real punch. It says “surfable waves but very ordinary conditions.” That’s the closest we get to a recommendation, and it’s a big “but.” It’s an inconsistent spot, and crowds are often a thing here, so if you’re desperate for a longboard and a clean surface, that’s your only look. But honestly, it’s ordinary.
After that, from the 21st right through to the end of the forecast on the 28th, it’s a complete shut-down. Swell heights drop to 1 ft or less, and the combined energy falls right off – we’re talking single and low double digits (like 3, 7, 19). There are days with offshore and glassy conditions, but with no swell to work with, it’s a lake. That’s a solid week of nothing. For an exposed spot like this, a blank run like that is a bit unusual, but it happens. Looks more interesting for a kite surfer than a paddle surfer on those windy days, but that’s about it.
Keep an eye on the charts, but for now, I’d say take a week off.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Sun morning, min 12°C on Tue night). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Thu morning. Very mild (max 17°C on Thu morning, min 13°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | |||||||||||||||
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 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 8 | W 8 | W 8 | WSW 8 | WSW 11 | WSW 11 | WSW 11 | WSW 5 | WSW 8 | W 9 | WSW 14 | WSW 7 | WSW 12 | SW 5 | SW 5 | WSW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 138 | 130 | 85 | 54 | 53 | 40 | 64 | 80 | 73 | 133 | 130 | 90 | 33 | 44 | 158 | 74 | 70 | 50 | 42 | 31 | 135 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross | cross-on | cross | cross-off | cross | cross-on | cross-on | cross | cross-on | cross-on | on | on | cross-on | cross-on | cross |
High Tide | 8:08PM5.70m | 8:27AM5.49m | 8:42PM5.55m | 8:59AM5.35m | 9:14PM5.31m | 9:31AM5.14m | 9:46PM5.01m | 10:03AM4.88m | 10:21PM4.67m | 10:41AM4.58m | 11:05PM4.32m | 11:34AM4.28m | 00:17AM4.01m | ||||||||
Low Tide | 1:58PM0.58m | 2:18AM0.57m | 2:34PM0.71m | 2:53AM0.80m | 3:09PM0.97m | 3:27AM1.13m | 3:43PM1.32m | 4:00AM1.52m | 4:18PM1.72m | 4:35AM1.93m | 4:59PM2.12m | 5:17AM2.33m | 5:57PM2.48m | ||||||||
 |  |  |  | |  | | | | | | |  | | | | |  | | |  | |
 | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | 7:36 | — | — | 7:34 | — | — | 7:31 | — | — | 7:29 | — | — | 7:27 | — | — | 7:24 | — | — | 7:22 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 | — | — | — |
Temp °C | 20 | 20 | 18 | 20 | 20 | 18 | 17 | 18 | 15 | 16 | 16 | 15 | 17 | 16 | 15 | 17 | 17 | 17 | 19 | 19 | 14 |
Feels °C | 18 | 18 | 19 | 19 | 18 | 18 | 13 | 13 | 13 | 11 | 10 | 12 | 11 | 10 | 10 | 13 | 11 | 13 | 16 | 15 | 12 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | WSW 10 | S 12 | S 12 | W 12 | WSW 11 | WSW 10 | WSW 8 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 8 | — | WSW 8 | WSW 13 | WSW 12 | WSW 12 | WSW 11 | S 14 |
| kJ | 3 | 3 | 85 | 3 | 3 | 3 | 12 | 21 | 73 | 133 | 130 | 90 | 20 | 44 | — | 50 | 70 | 50 | 13 | 12 | 4 |
Swell 2 Height (m) Direction Period (s) | — | — | S 13 | SW 12 | SW 12 | S 12 | S 11 | S 11 | WSW 10 | — | — | — | — | — | — | WSW 14 | — | S 16 | S 16 | W 9 | S 14 |
| kJ | — | — | 3 | 6 | 6 | 3 | 2 | 2 | 21 | — | — | — | — | — | — | 74 | — | 5 | 5 | 2 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | S 12 | — | — | — | — | — | — | — | — | — | W 10 | — | S 12 | S 12 | S 16 | — |
| kJ | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | 2 | — | 3 | 3 | 5 | — |
Wind waves Height (m) Direction Period (s) | WSW 10 | WSW 10 | — | WSW 9 | WSW 9 | WSW 8 | W 8 | W 8 | — | NW 3 | WNW 3 | — | WSW 5 | W 4 | W 9 | NW 3 | WSW 7 | SW 4 | SW 5 | SW 5 | WSW 10 |
| kJ | 138 | 130 | — | 54 | 53 | 40 | 64 | 80 | — | 3 | 4 | — | 33 | 22 | 158 | 2 | 61 | 32 | 42 | 31 | 135 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 58 | 58 | 49 | 58 | 58 | 52 | 224 | 224 | 37 | 14 | 188 | 188 | 524 | 276 | 276 | 173 | 188 | 231 | 231 | 179 | 6 |
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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