Surf Forecasts:
Harlyn surf forecast from 9 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 10PM (local time) - 2.5ft (0.7m), 8s period, WNW swell with cross-offshore winds.
- Most powerful swell: Thursday 10 Sep, 7PM (local time) - 8ft (2.4m), 9s period, W swell with 881 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 10PM (local time) - 2.5ft (0.7m), 8s period with WNW swell.
Best Forecast Surf Conditions for Harlyn this week:
The surf forecast for Harlyn over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 09) at 10PM. The primary swell is predicted to be 0.7m and 8s period with a secondary swell of 0.5m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Harlyn in the next 16 days are 2.4m 9s and forecast to arrive on Thursday (Sep 10) at 7PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Thursday (Sep 10) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Wed 9th Sep) | 2.5ft (0.7m) 8s |
| Best Surf | 10PM (Wed 9th Sep) | 2.5ft (0.7m) 8s |
| Most Powerful | 7PM (Thu 10th Sep) | 8ft (2.4m) 9s |
Table - best surf conditions forecast for Harlyn over the next 16 days.
The Lowdown
Right then folks, Rusty here. Gotta be straight up with you about this one – it’s looking grim.
The whole 16-day window for Harlyn is pretty much a blank. You’re looking at a solid run of poor surf conditions from Wednesday the 9th right through to the end. The water temp is sitting at 18° which is much warmer than normal for the time of year, but that’s about the only positive. The combined swell energy is weak across the board, barely scraping into double digits for most of the run.
Honestly, there’s nothing here that gets the heart racing. A few sessions on Monday the 21st of September morning offer a tiny bit of hope with 3ft swell from the W, period around 11 seconds, and glassy conditions with the wind dropping to just 3 mph from the S. The energy is only moderate at 242, and it’s “surfable waves but very ordinary conditions”. It’s not a standout by any stretch.
Before that, you’ve got a handful of mornings like Tuesday the 15th and Monday the 14th where the waves are just about rideable but the quality is flat. The wind is mostly cross-off or cross, never clean enough to really make it good. Most of the time the combined energy is moderate at best – think 134 or 215 (raw numbers) – and the swell direction is W, which isn’t the optimum WNW for Harlyn.
This is just one of those periods where it’s not happening. It’s a sheltered spot and when the wind and swell don’t line up, you get this. Forecasts can change, but as it stands, save the petrol.
Rusty.
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Very mild (max 18°C on Thu morning, min 14°C on Wed morning). Winds decreasing (fresh winds from the SW on Thu afternoon, light winds from the WNW by Fri afternoon). | Days 4-6 Weather SummaryModerate rain (total 10mm), heaviest on Sat night. Warm (max 21°C on Sun night, min 17°C on Sat morning). Winds decreasing (fresh winds from the SW on Sat afternoon, light winds from the S by Sun night). | ||||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||
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 | WNW 9 | W 8 | WSW 8 | WSW 7 | W 10 | W 9 | W 9 | W 8 | W 8 | W 7 | W 8 | W 10 | W 10 | W 9 | W 9 | W 9 | W 8 | W 8 | W 10 | W 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 332 | 134 | 66 | 21 | 365 | 730 | 392 | 225 | 130 | 200 | 352 | 511 | 424 | 314 | 164 | 127 | 125 | 88 | 153 | 417 | 332 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | off | off | cross-off | cross-off | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | off | cross-off | cross-on | cross-on |
High Tide | 4:57PM6.33m | 5:22AM6.30m | 5:41PM6.76m | 6:03AM6.65m | 6:21PM7.03m | 6:41AM6.84m | 6:58PM7.10m | 7:17AM6.86m | 7:34PM6.98m | 7:51AM6.72m | 8:08PM6.69m | 8:25AM6.44m | 8:42PM6.27m | ||||||||
Low Tide | 10:56AM0.88m | 11:24PM0.49m | 11:40AM0.44m | 00:06AM0.14m | 12:20PM0.15m | 00:43AM-0.04m | 12:56PM0.02m | 1:18AM-0.03m | 1:31PM0.06m | 1:50AM0.14m | 2:04PM0.26m | 2:22AM0.44m | 2:36PM0.59m | 2:53AM0.85m | |||||||
 | |  |  |  | | | | | | |  | | | | | | |  | |  | |
 | 6:45 | — | — | 6:47 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — |
 | — | 7:47 | — | — | 7:45 | — | — | 7:44 | — | — | 7:42 | — | — | 7:38 | — | — | 7:37 | — | — | 7:35 | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | 10 | — | — | — | — | — | — | 2 | — | — |
Temp °C | 14 | 14 | 15 | 18 | 17 | 18 | 17 | 17 | 16 | 18 | 18 | 18 | 17 | 17 | 21 | 20 | 21 | 19 | 18 | 16 | 17 |
Feels °C | 9 | 11 | 13 | 13 | 12 | 15 | 16 | 17 | 16 | 14 | 13 | 15 | 16 | 16 | 21 | 20 | 20 | 19 | 18 | 12 | 14 |
Swell 1 Height (m) Direction Period (s) | W 9 | WNW 9 | W 8 | WSW 8 | WNW 11 | W 10 | W 9 | W 9 | W 8 | WNW 14 | W 15 | — | W 10 | W 10 | W 9 | W 9 | W 9 | W 8 | W 8 | W 10 | W 9 |
| kJ | 332 | 134 | 66 | 19 | 24 | 730 | 392 | 225 | 130 | 20 | 4 | — | 424 | 314 | 164 | 127 | 125 | 88 | 153 | 417 | 332 |
Swell 2 Height (m) Direction Period (s) | — | N 6 | WSW 8 | WNW 8 | — | — | — | — | N 4 | — | — | — | SW 13 | SW 13 | NNW 4 | N 4 | SW 12 | W 13 | W 11 | — | — |
| kJ | — | 30 | 40 | 21 | — | — | — | — | 1 | — | — | — | 7 | 7 | 6 | 1 | 6 | 3 | 62 | — | — |
Swell 3 Height (m) Direction Period (s) | — | WSW 8 | N 6 | N 5 | — | — | — | — | — | W 15 | — | — | — | — | — | SW 12 | — | W 12 | — | — | — |
| kJ | — | 55 | 11 | 2 | — | — | — | — | — | 4 | — | — | — | — | — | 6 | — | 3 | — | — | — |
Wind waves Height (m) Direction Period (s) | N 6 | — | — | WSW 5 | WSW 7 | — | — | — | — | W 8 | W 7 | W 8 | — | — | — | — | — | SSW 2 | — | — | — |
| kJ | 50 | — | — | 22 | 365 | — | — | — | — | 200 | 352 | 511 | — | — | — | — | — | 1 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 44 | 45 | 3 | 222 | 246 | 44 | 44 | 44 | 1 | 15 | 253 | 227 | 44 | 253 | 1 | 1 | 1 | 3 | 1 | 119 | 57 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Information about the Harlyn Surf forecast
The above surf forecast table for Harlyn provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Harlyn can be found by selecting the local surf guide option on the grey menu. Our Harlyn 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 (Harlyn) 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 Harlyn 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.
Harlyn is 6 km (4 miles) from Padstow. If you plan a holiday in North Cornwall, look for hotels and other accommodation in Padstow. Padstow has rooms for a wide range of budgets as well as car hire and transport links.
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