- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Marazion surfForecast / Cornwall (South) / UK
16 Day Weather and Surf, issued 12 pm Sunday 17 May 2026 BSTForecast update in hr min s Forecast update imminent
Marazion surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Marazion sea temperature is
12.2° C
(Which is normal for this time of year)Best Forecast Surf Conditions for Marazion this week:
The surf forecast for Marazion over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (May 22) at 7PM. The primary swell is predicted to be 1.7m and 11s period with a secondary swell of 0.3m and 5s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Marazion in the next 16 days are 3.5m 14s and forecast to arrive on Wednesday (May 20) 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 0.9m 4s period and expected on Thursday (May 21) at 10PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Fri 22nd May) | 5.5ft (1.7m) 11s |
| Best Surf | 7PM (Fri 22nd May) | 5.5ft (1.7m) 11s |
| Most Powerful | 7AM (Wed 20th May) | 11ft (3.5m) 14s |
Table - best surf conditions forecast for Marazion over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Mon night. Very mild (max 13°C on Mon night, min 10°C on Sun afternoon). Mainly strong winds. | Days 4-6 Weather SummaryMostly dry. Very mild (max 18°C on Fri night, min 13°C on Wed morning). Winds decreasing (fresh winds from the SW on Wed morning, calm by Fri afternoon). | ||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
W 14 | W 13 | WNW 12 | W 12 | W 11 | SW 6 | WSW 8 | WSW 8 | WSW 10 | WSW 14 | WSW 13 | WSW 12 | WSW 11 | WSW 11 | WSW 10 | WSW 12 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | |
831 | 1751 | 1725 | 1406 | 682 | 321 | 698 | 931 | 1892 | 4994 | 3145 | 1647 | 955 | 716 | 641 | 1190 | 786 | 520 | 570 | 464 | 245 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | cross-on | cross-on | on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross | cross | on | cross-on | off | cross-off | cross-off | cross-off | |
High Tide | 5:51PM5.59m | 6:15AM5.54m | 6:38PM5.60m | 7:04AM5.43m | 7:26PM5.51m | 7:54AM5.23m | 8:18PM5.33m | 8:48AM4.98m | 9:13PM5.11m | 9:47AM4.71m | 10:14PM4.88m | 10:53AM4.50m | 11:22PM4.70m | ||||||||
Low Tide | 12:15PM0.73m | 00:42AM0.69m | 1:02PM0.75m | 1:30AM0.72m | 1:50PM0.86m | 2:20AM0.84m | 2:38PM1.06m | 3:11AM1.04m | 3:30PM1.30m | 4:07AM1.28m | 4:26PM1.55m | 5:10AM1.49m | 5:31PM1.74m | ||||||||
 | |  |  | |  |  | |  | |  |  | | | | | | | |  | | |
 | 5:33 | — | — | 5:31 | — | — | 5:31 | — | — | 5:28 | — | — | 5:28 | — | — | 5:26 | — | — | 5:26 | — | — |
 | — | — | 9:02 | — | — | 9:05 | — | — | 9:06 | — | — | 9:07 | — | — | 9:08 | — | — | 9:09 | — | — | 9:10 |
— | — | 1 | 1 | 1 | 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | |
Temp °C | 11 | 11 | 11 | 11 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 17 | 17 | 16 | 17 | 18 | 20 | 22 | 21 |
5 | 5 | 4 | 5 | 6 | 7 | 6 | 6 | 5 | 9 | 10 | 9 | 12 | 13 | 12 | 16 | 17 | 16 | 20 | 21 | 18 | |
Swell 1 Height (m) Direction Period (s) | W 14 | S 12 | S 12 | W 12 | W 11 | WNW 10 | W 15 | W 14 | WSW 16 | WSW 14 | WSW 13 | WSW 12 | WSW 11 | WSW 11 | WSW 10 | WSW 12 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 |
 kJ | 831 | 3 | 3 | 1406 | 682 | 214 | 17 | 16 | 758 | 4994 | 3145 | 1647 | 955 | 716 | 641 | 1190 | 786 | 520 | 570 | 464 | 245 |
Swell 2 Height (m) Direction Period (s) | S 12 | — | — | S 14 | S 20 | S 19 | S 18 | W 19 | SW 17 | — | — | SW 16 | SW 15 | SSW 15 | WSW 15 | S 5 | S 5 | SW 16 | SE 4 | SSW 14 | SSW 14 |
| kJ | 3 | — | — | 4 | 7 | 7 | 6 | 7 | 11 | — | — | 10 | 9 | 21 | 75 | 21 | 9 | 10 | 6 | 19 | 20 |
Swell 3 Height (m) Direction Period (s) | S 12 | — | — | — | — | W 16 | S 13 | SE 5 | — | — | — | — | — | — | SSW 14 | ESE 5 | ESE 4 | SW 13 | SSW 14 | SSW 14 | S 5 |
| kJ | 3 | — | — | — | — | 5 | 3 | 1 | — | — | — | — | — | — | 20 | 13 | 7 | 7 | 19 | 19 | 2 |
Wind waves Height (m) Direction Period (s) | WNW 8 | W 13 | WNW 12 | — | SSW 4 | SW 6 | WSW 8 | WSW 8 | WSW 10 | SSW 6 | — | — | — | — | SE 5 | — | — | SE 4 | — | — | NNE 3 |
| kJ | 295 | 1751 | 1725 | — | 25 | 321 | 698 | 931 | 1892 | 110 | — | — | — | — | 42 | — | — | 13 | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 206 | 551 | 206 | 8 | 43 | 571 | 528 | 586 | 207 | 207 | 207 | 8 | 8 | 13 | 145 | 8 | 8 | 6 | 0 | 6 | 6 |
Best forecast wave conditions in South 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 Marazion 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 Marazion Surf forecast
The above surf forecast table for Marazion provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Marazion can be found by selecting the local surf guide option on the grey menu. Our Marazion 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 (Marazion) 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 Marazion 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 South Cornwall? If you are looking for accommodation near Marazion, camping, hotels and holiday cottages in South Cornwall, consider staying in Penzance which is 4 km (2 miles) away. Other places in and around South Cornwall where you can find information about places to rent, and car hire include Camborne which is 16 km (10 miles) away, Penryn, The Lizard and Falmouth.
Nearest