Surf Forecasts:
Harlyn surf forecast from 6 Sep 2026:
- Best quality surf: Sunday 6 Sep, 10PM (local time) - 1.5ft (0.4m), 18s period, W swell with cross-offshore winds.
- Most powerful swell: Monday 7 Sep, 7AM (local time) - 7ft (2.1m), 14s period, W swell with 1,748 kJ wave energy.
- Next surfable swell (1★+): Sunday 6 Sep, 10PM (local time) - 1.5ft (0.4m), 18s 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 10PM. The primary swell is predicted to be 0.4m and 18s period with a secondary swell of 0.7m 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 2.1m 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 0.9m 6s period and expected on Thursday (Sep 10) at 7AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sun 6th Sep) | 1.5ft (0.4m) 18s |
| Best Surf | 10PM (Sun 6th Sep) | 1.5ft (0.4m) 18s |
| Most Powerful | 7AM (Mon 7th Sep) | 7ft (2.1m) 14s |
Table - best surf conditions forecast for Harlyn over the next 16 days.
The Lowdown
Alright, grab a coffee and listen up. I’ve had a look at the charts for Harlyn, and I’ll be straight with you – it’s a tough run ahead. We’ve got a 16-day window, and there’s a big gap of absolute nothing at the start. For a sheltered spot like this, conditions need to line up perfectly, and they just don’t for a long stretch.
The first real hope doesn’t show up until the afternoon of Sunday, September 21st. That’s a brutal two-week wait. The water temp is sitting at a touch warmer than normal for this time of year, around 64°, so at least you won’t be freezing while you’re staring at flat, onshore junk.
Starting this week, from Sunday the 6th through Saturday the 19th, it’s a write-off. We’ve got a mix of onshore winds, strong breezes, and cross-chop that’s going to turn any tiny swell into a washing machine. There’s a pulse of energy on Monday the 8th with a 7ft swell from the west, and the combined energy reading is massive at 1632, but it’s blowing a cross-shore gale, so it’ll be a total mess. Not worth paddling out. For the beginners out there, that size is already pushing it.
Even the smaller, cleaner days like Wednesday morning the 10th are still plagued by poor conditions and short, weak energy (188), so you’re just practicing your duck dive for nothing.
Sunday, September 20th finally sees a bit of relief. The wind swings offshore from the south, cleaning things up. But with only 3ft of west swell and weak energy (117), it’s just "surfable" – nothing to get excited about. It’s a paddling warm-up.
The standout, the only real highlight in this entire outlook, is the afternoon of Monday, September 21st. The swell jumps to 12ft out of the west, with a solid 9-second period and the combined energy cranking up to 2205. The wind is cross-off from the southwest, keeping things clean. Now, that’s big. Over 8ft, so this is strictly for experienced surfers only. That’s a proper groundswell pulse. For a sheltered spot like Harlyn, getting a clean 12ft west swell is a rare treat if you can handle the power. Plan your trip around that afternoon, but remember, this is over two weeks out, so keep an eye on it – long-range calls are less certain.
Otherwise, until that late burst, the setup at Harlyn looks more interesting for the kite crew than for us paddle surfers.
Stay patient.
Rusty
Short Range ForecastModerate rain (total 10mm), heaviest on Mon night. Warm (max 22°C on Sun morning, min 15°C on Mon night). Winds increasing (light winds from the SSW on Sun night, strong winds from the NW by Tue night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 18°C on Thu afternoon, min 15°C on Wed night). Winds decreasing (fresh winds from the SW on Thu morning, light winds from the W 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 11 | W 9 | WNW 9 | WNW 8 | WNW 8 | W 8 | WNW 9 | WSW 7 | W 8 | W 9 | W 9 | W 9 | W 8 | W 7 | W 8 | WNW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 78 | 55 | 254 | 1632 | 1106 | 890 | 670 | 660 | 702 | 437 | 266 | 99 | 175 | 513 | 476 | 269 | 177 | 103 | 215 | 555 | 345 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | off | cross-off | cross-off | cross-off |
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 | — | — | — | — | — | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 |
Temp °C | 22 | 21 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 18 | 18 | 18 | 17 | 19 | 20 | 18 |
Feels °C | 18 | 18 | 17 | 13 | 13 | 13 | 10 | 9 | 8 | 11 | 13 | 13 | 12 | 15 | 17 | 16 | 16 | 16 | 16 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 16 | W 13 | W 12 | — | — | — | — | WNW 8 | W 8 | WNW 9 | N 6 | — | W 9 | W 9 | W 9 | W 8 | — | W 15 | WNW 8 |
| kJ | 78 | 55 | 254 | 1632 | 1106 | — | — | — | — | 437 | 266 | 99 | 2 | — | 476 | 269 | 177 | 103 | — | 4 | 345 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 12 | — | — | — | — | — | — | — | N 6 | WSW 8 | W 12 | — | — | — | — | — | — | — | — |
| kJ | 7 | 6 | 6 | — | — | — | — | — | — | — | 34 | 51 | 11 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 20 | — | — | — | — | — | — | — | — | — | N 6 | — | — | — | — | — | — | — | — | — |
| kJ | — | 8 | — | — | — | — | — | — | — | — | — | 18 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 3 | S 3 | W 9 | — | — | W 11 | W 9 | WNW 9 | WNW 8 | N 6 | — | — | WSW 7 | W 8 | — | — | — | SSW 3 | W 7 | W 8 | — |
| kJ | 8 | 6 | 150 | — | — | 890 | 670 | 660 | 702 | 46 | — | — | 175 | 513 | — | — | — | 3 | 215 | 555 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 87 | 50 | 1 | 45 | 45 | 222 | 94 | 245 | 245 | 44 | 1 | 1 | 306 | 227 | 1 | 45 | 1 | 2 | 1 | 1 | 1 |
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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