Surf Forecasts:
Poldhu Cove surf forecast from 14 Sep 2026:
- Most powerful swell: Friday 18 Sep, 7AM (local time) - 8ft (2.5m), 13s period, WNW swell with 2,233 kJ wave energy.
Best Forecast Surf Conditions for Poldhu Cove this week:
The most powerful waves expected at Poldhu Cove in the next 16 days are 2.5m 13s and forecast to arrive on Friday (Sep 18) at 7AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Sunday (Sep 20) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7AM (Fri 18th Sep) | 8ft (2.5m) 13s |
Table - best surf conditions forecast for Poldhu Cove over the next 16 days.
The Lowdown
Right then, let’s have a look at what’s on offer for the 16-day window. To be straight with you, the first week or so is a bit of a write-off for decent waves, with mostly bumpy onshore or cross-shore winds and poor conditions. There’s a long gap of about eight days before we see anything worth getting excited about, so don’t bother paddling out before then.
The standout window arrives on Tuesday the 22nd of September at Poldhu Cove. That afternoon, we’ve got a nice 6ft swell coming from the WNW, but the real story is the glassy conditions – dead calm wind. That means the surface will be like a mirror, and with a solid 11-second period, those waves will have some proper shape and push behind them. The combined wave energy is strong at 881, so you’ll feel it. It’s a fairly exposed spot, so that west-northwest groundswell will wrap in nicely. Fair warning though, it can be inconsistent here, and crowds are possible at times. The water temperature is about average for this time of year, so nothing unusual there.
The next morning, Wednesday the 23rd, is also a decent shout. Offshore wind from the ENE at just 6 mph will keep it clean, with a 5ft swell from the west at 10 seconds. It won’t be as powerful as the day before, but clean waves are clean waves.
Further out, on Sunday the 27th of September, a massive 12ft swell from the WSW rolls in, with very long 11-second intervals. The combined energy is huge at 2918. But, and it’s a big but, that’s just too much size for this break. It’s a beginner-friendly spot, and anything over 8ft is only for experts, so unless you’re seriously charging and know the place, give it a miss. The wind is light, so it’ll look clean, but the sheer power will make it a tough paddle and a heavy wave. Not one for the average punter.
To sum it up: save your energy for Tuesday the 22nd afternoon and Wednesday the 23rd morning. That’s the pick of the whole period.
Rusty.
Short Range ForecastMostly dry. Very mild (max 19°C on Sun night, min 14°C on Tue night). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Wed night. Very mild (max 17°C on Fri afternoon, min 15°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||
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 9 | W 9 | WSW 8 | W 8 | W 8 | W 9 | W 10 | W 11 | W 10 | W 8 | W 8 | W 9 | W 13 | W 13 | W 8 | W 8 | W 8 | W 10 | W 10 | W 15 | W 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 235 | 186 | 171 | 334 | 488 | 893 | 1046 | 750 | 520 | 517 | 630 | 982 | 1642 | 1308 | 420 | 357 | 355 | 847 | 484 | 648 | 999 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross | cross | cross | cross-off | cross | cross-on | cross | cross | cross | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 7:16AM4.81m | 7:33PM4.82m | 7:51AM4.64m | 8:08PM4.53m | 8:25AM4.38m | 8:44PM4.18m | 9:02AM4.05m | 9:23PM3.81m | 9:44AM3.70m | 10:12PM3.44m | 10:43AM3.38m | 11:31PM3.15m | 12:25PM3.20m | 1:22AM3.11m | |||||||
Low Tide | 1:58PM0.11m | 2:17AM0.23m | 2:33PM0.36m | 2:50AM0.54m | 3:07PM0.67m | 3:24AM0.88m | 3:44PM1.01m | 4:01AM1.22m | 4:27PM1.34m | 4:48AM1.53m | 5:23PM1.63m | 5:52AM1.76m | 6:45PM1.78m | ||||||||
 | |  |  | | | | |  | | | |  |  | | | | | | |  | |
 | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — |
 | — | 7:37 | — | — | 7:36 | — | — | 7:32 | — | — | 7:30 | — | — | 7:29 | — | — | 7:27 | — | — | 7:23 | — |
mm | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — |
Temp °C | 19 | 19 | 18 | 16 | 16 | 16 | 15 | 15 | 16 | 16 | 16 | 15 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 17 |
Feels °C | 18 | 18 | 16 | 10 | 10 | 12 | 10 | 10 | 11 | 10 | 9 | 9 | 12 | 13 | 14 | 14 | 14 | 17 | 16 | 17 | 18 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | WNW 6 | W 11 | S 11 | S 11 | W 10 | W 11 | S 13 | W 9 | S 13 | S 13 | W 13 | S 17 | W 12 | W 11 | W 10 | W 10 | W 10 | W 10 | W 14 |
| kJ | 235 | 186 | 7 | 82 | 2 | 2 | 1046 | 750 | 4 | 85 | 3 | 3 | 1642 | 6 | 187 | 154 | 225 | 847 | 484 | 347 | 999 |
Swell 2 Height (m) Direction Period (s) | S 12 | SW 12 | W 12 | S 11 | — | — | — | — | S 13 | — | — | — | S 12 | S 12 | S 16 | S 16 | SW 15 | SW 14 | W 16 | W 15 | S 13 |
| kJ | 3 | 6 | 25 | 2 | — | — | — | — | 3 | — | — | — | 3 | 3 | 5 | 5 | 9 | 8 | 129 | 648 | 3 |
Swell 3 Height (m) Direction Period (s) | — | W 14 | S 12 | — | — | — | — | — | — | — | — | — | S 18 | — | S 12 | S 12 | — | — | SW 14 | S 14 | — |
| kJ | — | 4 | 3 | — | — | — | — | — | — | — | — | — | 6 | — | 3 | 3 | — | — | 8 | 4 | — |
Wind waves Height (m) Direction Period (s) | — | — | WSW 8 | W 8 | W 8 | W 9 | — | — | W 10 | W 8 | W 8 | W 9 | — | W 13 | W 8 | W 8 | W 8 | — | NE 3 | — | — |
| kJ | — | — | 171 | 334 | 488 | 893 | — | — | 520 | 517 | 630 | 982 | — | 1308 | 420 | 357 | 355 | — | 3 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 23 | 23 | 23 | 192 | 192 | 107 | 68 | 107 | 483 | 530 | 192 | 107 | 200 | 189 | 200 | 200 | 168 | 22 | 60 | 167 | 22 |
Best forecast wave conditions in South Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Information about the Poldhu Cove Surf forecast
The above surf forecast table for Poldhu Cove provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Poldhu Cove can be found by selecting the local surf guide option on the grey menu. Our Poldhu Cove 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 (Poldhu Cove) 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 Poldhu Cove 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.
Poldhu Cove is 12 km (7 miles) from The Lizard. If you plan a holiday in South Cornwall, look for hotels and other accommodation in The Lizard. The Lizard has rooms for a wide range of budgets as well as car hire and transport links.
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