Surf Forecasts:
Harlyn surf forecast from 6 Sep 2026:
- Best quality surf: Sunday 13 Sep, 4AM (local time) - 6ft (1.8m), 10s period, W swell with cross-offshore winds.
- Most powerful swell: Monday 7 Sep, 7AM (local time) - 6.5ft (2.0m), 14s period, W swell with 1,585 kJ wave energy.
- Next surfable swell (1★+): Sunday 6 Sep, 1PM (local time) - 2.5ft (0.7m), 9s period with W 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 Sunday (Sep 06) at 1PM. The primary swell is predicted to be 0.7m and 9s period with a secondary swell of 0.1m and 13s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Harlyn in the next 16 days are 2.0m 14s and forecast to arrive on Monday (Sep 07) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Sunday (Sep 06) at 1PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Sun 6th Sep) | 2.5ft (0.7m) 9s |
| Best Surf | 4AM (Sun 13th Sep) | 6ft (1.8m) 10s |
| Most Powerful | 7AM (Mon 7th Sep) | 6.5ft (2.0m) 14s |
Table - best surf conditions forecast for Harlyn over the next 16 days.
The Lowdown
Alright mate, Rusty here. Let’s break it down for Harlyn.
I won’t sugarcoat it—this stretch is a lean one. The first week is basically a no-go: onshore winds, lumpy cross-chop, and messy conditions. The only time you might get wet is the morning of Thursday 10 September. It’s small, around 4ft from the west, short period, and just ordinary. The wind is offshore, so the surface will be clean, but the energy is weak (134) and it’s barely surfable. The next few days stay small, mostly under 4ft, with short period and hardly any punch. There’s no real standout.
Into the second week, it doesn’t get much better. Monday 14 September afternoon shows a jump in period to 12 seconds with 4ft swell, but it’s marginal. Wednesday 16 September is a washout with strong onshore wind and messy conditions. The one session that stands out is the afternoon of Thursday 17 September—around 8ft from the west, 11-second period, clean with cross-off wind, and moderate energy (1304). That’s the biggest, cleanest swell of the whole outlook. For Harlyn, with that size and cross-off wind, it might still be tricky with the tide, but if you’re keen, that’s your best chance.
The water temperature is about 65°, which is a touch warmer than usual for this time of year—about a degree and a half above average. Nothing wild.
So, first week is mostly a gap of poor surf with only a couple of ordinary, small windows. The second week gives you one possible session on the 17th, but it’s not a sure thing. If you’re waiting for clean waves, you’re in for a long wait. But forecasts can change.
Rusty.
Short Range ForecastLight rain (total 6mm), mostly falling on Mon night. Warm (max 22°C on Sun afternoon, min 15°C on Mon night). Winds increasing (light winds from the SSW on Sun night, strong winds from the SW by Mon night). | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Thu morning. Very mild (max 19°C on Fri afternoon, min 15°C on Wed night). Winds decreasing (fresh winds from the NW on Wed morning, calm by Fri afternoon). | ||||||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | |||||||||||||||
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 | W 16 | W 13 | W 12 | W 7 | W 9 | W 9 | WNW 9 | WNW 8 | W 8 | W 8 | W 6 | W 8 | W 9 | W 9 | W 9 | W 8 | WSW 8 | W 8 | W 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 78 | 55 | 254 | 1487 | 1106 | 553 | 792 | 646 | 839 | 477 | 287 | 153 | 119 | 329 | 445 | 225 | 177 | 100 | 145 | 594 | 813 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross-on | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross | cross-off | off | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | cross |
High Tide | 1:25PM4.98m | 2:17AM4.94m | 2:56PM5.26m | 3:37AM5.33m | 4:05PM5.78m | 4:35AM5.83m | 4:57PM6.33m | 5:22AM6.30m | 5:41PM6.76m | 6:03AM6.65m | 6:21PM7.03m | 6:41AM6.84m | 6:58PM7.10m | ||||||||
Low Tide | 8:08PM1.90m | 8:50AM1.86m | 9:35PM1.51m | 10:02AM1.40m | 10:36PM0.98m | 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 | ||||||||
 |  |  | |  |  |  | | | | |  | | |  | | | | | | | |
 | 6:39 | — | — | 6:41 | — | — | 6:43 | — | — | 6:45 | — | — | 6:47 | — | — | 6:48 | — | — | 6:50 | — | — |
 | — | 7:54 | — | — | 7:52 | — | — | 7:50 | — | — | 7:47 | — | — | 7:45 | — | — | 7:44 | — | — | 7:42 | — |
mm | — | — | — | — | — | 4 | 1 | — | 1 | — | — | — | 3 | — | 1 | — | — | — | — | — | — |
Temp °C | 21 | 22 | 18 | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 19 | 18 | 19 | 18 | 16 |
Feels °C | 17 | 19 | 17 | 12 | 13 | 11 | 9 | 9 | 8 | 10 | 11 | 12 | 14 | 14 | 14 | 16 | 20 | 18 | 16 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | W 13 | W 12 | — | — | — | — | WNW 10 | N 6 | W 8 | N 6 | W 11 | W 9 | W 9 | W 9 | W 8 | WNW 10 | W 15 | W 10 |
| kJ | 78 | 55 | 120 | 1487 | 1106 | — | — | — | — | 80 | 41 | 153 | 5 | 10 | 445 | 225 | 177 | 100 | 22 | 4 | 813 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | W 16 | — | — | — | — | — | — | — | — | N 6 | WNW 8 | N 5 | — | — | — | — | — | — | — |
| kJ | 7 | 6 | 254 | — | — | — | — | — | — | — | — | 16 | 7 | 1 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 20 | SW 12 | — | — | — | — | — | — | — | — | W 13 | W 12 | — | — | — | — | — | — | — | — |
| kJ | — | 8 | 6 | — | — | — | — | — | — | — | — | 3 | 3 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 3 | SSW 3 | SW 3 | — | — | W 7 | W 9 | W 9 | WNW 9 | WNW 8 | W 8 | — | W 6 | W 8 | — | — | — | — | WSW 8 | W 8 | — |
| kJ | 8 | 3 | 2 | — | — | 553 | 792 | 646 | 839 | 477 | 287 | — | 119 | 329 | — | — | — | — | 145 | 594 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 87 | 50 | 1 | 45 | 45 | 227 | 227 | 245 | 245 | 245 | 391 | 223 | 227 | 74 | 1 | 1 | 1 | 2 | 1 | 274 | 15 |
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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