Surf Forecasts:
Porth Beach surf forecast from 21 Sep 2026:
- Best quality surf: Wednesday 23 Sep, 1AM (local time) - 4.5ft (1.3m), 15s period, WNW swell with glassy winds.
- Most powerful swell: Friday 25 Sep, 7PM (local time) - 6ft (1.9m), 14s period, WNW swell with 1,380 kJ wave energy.
- Next surfable swell (1★+): Tuesday 22 Sep, 1PM (local time) - 3.5ft (1.0m), 12s period with W swell.
Best Forecast Surf Conditions for Porth Beach this week:
The surf forecast for Porth Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 22) at 1PM. The primary swell is predicted to be 1.0m and 12s period with a secondary swell of 0.1m and 21s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Porth Beach in the next 16 days are 1.9m 14s and forecast to arrive on Friday (Sep 25) at 7PM. 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 Thursday (Sep 24) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Tue 22nd Sep) | 3.5ft (1.0m) 12s |
| Best Surf | 1AM (Wed 23rd Sep) | 4.5ft (1.3m) 15s |
| Most Powerful | 7PM (Fri 25th Sep) | 6ft (1.9m) 14s |
Table - best surf conditions forecast for Porth Beach over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 18°C on Mon morning, min 13°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 18°C on Thu morning, min 14°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | |||||||||||||||
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) | WNW 10 | W 10 | W 9 | WNW 10 | W 12 | WNW 15 | W 14 | W 13 | W 12 | WNW 11 | W 11 | W 10 | WNW 15 | WNW 13 | W 13 | W 12 | W 11 | WNW 11 | WNW 11 | W 10 | W 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 184 | 138 | 78 | 170 | 330 | 678 | 1097 | 775 | 411 | 198 | 149 | 71 | 512 | 1229 | 892 | 488 | 371 | 422 | 202 | 680 | 426 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | cross-on | cross | glassy | glassy | on | cross-on | cross-off | off | off | off | cross-off | cross-on | cross-on | cross-on | on | cross | cross | cross | cross-off |
High Tide | 2:18PM4.38m | 3:01AM4.42m | 3:27PM4.79m | 3:54AM4.87m | 4:12PM5.29m | 4:34AM5.36m | 4:49PM5.78m | 5:08AM5.83m | 5:23PM6.24m | 5:41AM6.25m | 5:56PM6.60m | 6:14AM6.57m | 6:30PM6.84m | ||||||||
Low Tide | 8:53PM2.31m | 9:19AM2.19m | 9:52PM1.88m | 10:09AM1.72m | 10:34PM1.39m | 10:47AM1.25m | 11:09PM0.92m | 11:22AM0.81m | 11:42PM0.51m | 11:55AM0.44m | 00:15AM0.21m | 12:28PM0.18m | 00:48AM0.04m | ||||||||
 | |  | | |  |  | | | | | | | | | |  | | |  |  | |
 | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — |
 | — | 7:22 | — | — | 7:19 | — | — | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:09 | — | — | 7:07 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 |
Temp °C | 18 | 18 | 17 | 18 | 18 | 18 | 18 | 16 | 14 | 18 | 18 | 16 | 18 | 17 | 16 | 15 | 15 | 14 | 16 | 16 | 15 |
Feels °C | 19 | 18 | 18 | 19 | 19 | 19 | 16 | 13 | 11 | 15 | 15 | 14 | 17 | 16 | 15 | 13 | 13 | 12 | 12 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | W 10 | W 9 | WNW 10 | W 12 | WNW 15 | W 14 | W 13 | W 12 | WNW 11 | W 11 | W 10 | W 12 | WNW 13 | W 13 | W 12 | W 11 | WNW 11 | W 7 | W 10 | W 10 |
| kJ | 184 | 138 | 78 | 170 | 330 | 678 | 1097 | 775 | 411 | 198 | 149 | 71 | 411 | 1229 | 892 | 488 | 371 | 422 | 149 | 680 | 426 |
Swell 2 Height (m) Direction Period (s) | — | SW 13 | SW 13 | SW 12 | WNW 19 | W 11 | — | — | N 5 | N 5 | N 5 | NW 15 | WNW 15 | — | — | SW 14 | — | W 13 | WNW 11 | SW 13 | — |
| kJ | — | 7 | 7 | 6 | 36 | 319 | — | — | 25 | 4 | 2 | 9 | 512 | — | — | 8 | — | 3 | 202 | 7 | — |
Swell 3 Height (m) Direction Period (s) | SW 13 | — | — | — | SW 12 | — | — | — | — | W 13 | — | W 20 | SW 16 | — | — | — | — | — | SW 13 | — | — |
| kJ | 7 | — | — | — | 6 | — | — | — | — | 3 | — | 8 | 10 | — | — | — | — | — | 7 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | N 4 | — | SE 3 | SSE 3 | SSE 2 | — | — | — | — | WNW 4 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 9 | — | 5 | 4 | 1 | — | — | — | — | 16 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 44 | 5 | 3 | 0 | 0 | 27 | 27 | 0 | 18 | 0 | 0 | 0 | 27 | 5 | 44 | 38 | 1 | 2 | 2 | 21 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Porth Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Porth Beach Surf forecast
The above surf forecast table for Porth Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Porth Beach can be found by selecting the local surf guide option on the grey menu. Our Porth Beach 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 (Porth Beach) 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 Porth Beach 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.
Are you planning a holiday in North Cornwall? If you are looking for accommodation near Porth Beach, camping, hotels and holiday cottages in North Cornwall, consider staying in Newquay which is 3 km (2 miles) away. Other places in and around North Cornwall where you can find information about places to rent, and car hire include Padstow which is 16 km (10 miles) away, Truro, Saint Austell and Bodmin.
Nearest