Surf Forecasts:
Portreath Harbour Wall surf forecast from 14 Sep 2026:
- Best quality surf: Sunday 20 Sep, 10PM (local time) - 4ft (1.2m), 13s period, WNW swell with glassy winds.
- Most powerful swell: Friday 18 Sep, 7AM (local time) - 6.5ft (2.0m), 13s period, WNW swell with 1,336 kJ wave energy.
- Next surfable swell (1★+): Sunday 20 Sep, 10PM (local time) - 4ft (1.2m), 13s period with WNW swell.
Best Forecast Surf Conditions for Portreath Harbour Wall this week:
The surf forecast for Portreath Harbour Wall over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 20) at 10PM. The primary swell is predicted to be 1.2m and 13s period with a secondary swell of 0.1m and 13s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Portreath Harbour Wall in the next 16 days are 2.0m 13s and forecast to arrive on Friday (Sep 18) at 7AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 3s period and expected on Monday (Sep 21) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sun 20th Sep) | 4ft (1.2m) 13s |
| Best Surf | 10PM (Sun 20th Sep) | 4ft (1.2m) 13s |
| Most Powerful | 7AM (Fri 18th Sep) | 6.5ft (2.0m) 13s |
Table - best surf conditions forecast for Portreath Harbour Wall over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s talk about what’s coming up for Portreath Harbour Wall.
Honestly, it’s a tough start. The first week is pretty much a write-off. There’s some swell around, but the wind is all over the place – mostly cross or onshore – and the conditions are just too choppy or blown out. A couple of those days, especially Wednesday the 16th, there’s a lot of energy in the water (1046 combined energy), but with a fresh breeze straight onshore and waves over 7ft, it’s not for paddling. That kind of setup is more interesting for the kite crew than anyone with a surfboard. The water’s a touch warmer than normal for the time of year, about 64°, but that doesn’t make the waves any better.
Then, after a pretty grim run, things change. Monday the 21st is the first real standout. You’ll get clean 3ft surf from the west with a 12-second period, and a light offshore ESE breeze. It’s small but glassy and rideable. That’s the best we’ve seen in days. Thursday the 24th is another good one – morning has 4ft west swell with an offshore wind, and the afternoon picks up to 4ft from the west at 12 seconds. The wind stays light and clean. It’s not huge, but for a wave-starved stretch, it’s a welcome change.
Later on, Tuesday the 29th sees a long-period 14-second groundswell from the west (398-417 combined energy), but with a fresh cross-off wind, it’s probably going to be a bit too clean and lined up for the reef. It’s a promising longer-range call, but less certain.
So, the pick of the period: Monday 21st morning for the clean, offshore 3ft west swell. Thursday 24th morning and afternoon for the slightly bigger, clean 4ft to 4ft west swell with light wind. It’s not epic, but after that first week of nothing, it’s a lifeline.
Rusty
Short Range ForecastSome drizzle, heaviest during Wed night. Warm (max 20°C on Mon afternoon, min 14°C on Wed morning). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Sat night, min 14°C on Thu 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 6 | W 8 | WNW 8 | WNW 9 | WNW 10 | WNW 11 | W 10 | W 7 | WNW 8 | WNW 9 | WNW 13 | W 13 | WNW 12 | W 7 | W 7 | W 10 | W 10 | W 12 | WNW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 230 | 181 | 64 | 407 | 437 | 632 | 1007 | 685 | 458 | 297 | 438 | 775 | 1192 | 825 | 206 | 134 | 146 | 384 | 279 | 418 | 492 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | on | on | on | on | on | cross-on | cross-on | on | on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross-on | on | cross |
High Tide | 7:59PM6.41m | 8:15AM6.17m | 8:33PM6.00m | 8:49AM5.79m | 9:08PM5.53m | 9:25AM5.34m | 9:45PM5.02m | 10:05AM4.86m | 10:31PM4.52m | 11:00AM4.42m | 11:41PM4.13m | 12:28PM4.15m | 1:29AM4.03m | ||||||||
Low Tide | 1:58PM0.25m | 2:16AM0.43m | 2:30PM0.57m | 2:47AM0.82m | 3:03PM0.97m | 3:19AM1.26m | 3:39PM1.43m | 3:56AM1.72m | 4:23PM1.89m | 4:45AM2.16m | 5:28PM2.29m | 6:06AM2.47m | 7:12PM2.45m | ||||||||
 | |  |  | | | |  |  | | | | | | | | | | | |  | |
 | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — |
 | — | 7:37 | — | — | 7:36 | — | — | 7:34 | — | — | 7:30 | — | — | 7:29 | — | — | 7:27 | — | — | 7:24 | — |
mm | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 20 | 18 | 16 | 16 | 16 | 15 | 15 | 16 | 16 | 16 | 15 | 16 | 16 | 17 | 17 | 18 | 19 | 19 | 19 | 18 |
Feels °C | 18 | 19 | 17 | 11 | 11 | 13 | 10 | 11 | 12 | 12 | 10 | 10 | 12 | 12 | 16 | 14 | 15 | 17 | 17 | 18 | 19 |
Swell 1 Height (m) Direction Period (s) | SW 12 | W 9 | W 8 | S 11 | S 11 | S 11 | WNW 10 | WNW 11 | N 5 | W 10 | — | S 13 | WNW 13 | W 13 | WNW 12 | WNW 11 | WNW 10 | W 10 | W 10 | W 12 | WNW 13 |
| kJ | 6 | 181 | 46 | 2 | 2 | 2 | 1007 | 685 | 14 | 71 | — | 3 | 1192 | 825 | 206 | 93 | 108 | 384 | 279 | 418 | 492 |
Swell 2 Height (m) Direction Period (s) | SW 12 | SW 12 | WNW 12 | S 11 | — | — | S 11 | N 6 | S 13 | N 5 | — | — | SW 12 | N 5 | SW 16 | SW 16 | SW 15 | SW 14 | WNW 13 | SW 14 | SW 13 |
| kJ | 6 | 6 | 27 | 2 | — | — | 2 | 41 | 4 | 2 | — | — | 6 | 4 | 10 | 10 | 9 | 8 | 62 | 8 | 7 |
Swell 3 Height (m) Direction Period (s) | — | W 14 | SW 12 | — | — | — | — | — | — | — | — | — | S 18 | SW 17 | S 12 | S 12 | S 11 | — | SW 14 | — | — |
| kJ | — | 4 | 6 | — | — | — | — | — | — | — | — | — | 6 | 12 | 3 | 3 | 2 | — | 8 | — | — |
Wind waves Height (m) Direction Period (s) | W 9 | — | WSW 6 | W 8 | WNW 8 | WNW 9 | N 6 | — | W 10 | W 7 | WNW 8 | WNW 9 | — | — | W 6 | W 7 | W 7 | — | — | — | — |
| kJ | 230 | — | 64 | 407 | 437 | 632 | 39 | — | 458 | 297 | 438 | 775 | — | — | 161 | 134 | 146 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 14 | 14 | 14 | 217 | 217 | 107 | 107 | 210 | 210 | 553 | 217 | 61 | 14 | 193 | 14 | 37 | 37 | 14 | 13 | 14 | 8 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Information about the Portreath Harbour Wall Surf forecast
The above surf forecast table for Portreath Harbour Wall provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Portreath Harbour Wall can be found by selecting the local surf guide option on the grey menu. Our Portreath Harbour Wall 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 (Portreath Harbour Wall) 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 Portreath Harbour Wall 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.
Portreath Harbour Wall is 5 km (3 miles) from Camborne. If you plan a holiday in North Cornwall, look for hotels and other accommodation in Camborne. Camborne has rooms for a wide range of budgets as well as car hire and transport links.
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