Surf Forecasts:
Gunwalloe surf forecast from 21 Sep 2026:
- Best quality surf: Tuesday 22 Sep, 10PM (local time) - 3.5ft (1.1m), 17s period, W swell with cross-offshore winds.
- Most powerful swell: Friday 25 Sep, 10PM (local time) - 7ft (2.1m), 14s period, W swell with 1,793 kJ wave energy.
- Next surfable swell (1★+): Monday 21 Sep, 7AM (local time) - 4.5ft (1.3m), 11s period with W swell.
Best Forecast Surf Conditions for Gunwalloe this week:
The surf forecast for Gunwalloe over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 21) at 7AM. The primary swell is predicted to be 1.3m and 11s 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 Gunwalloe in the next 16 days are 2.1m 14s and forecast to arrive on Friday (Sep 25) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Thursday (Sep 24) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Mon 21st Sep) | 4.5ft (1.3m) 11s |
| Best Surf | 10PM (Tue 22nd Sep) | 3.5ft (1.1m) 17s |
| Most Powerful | 10PM (Fri 25th Sep) | 7ft (2.1m) 14s |
Table - best surf conditions forecast for Gunwalloe over the next 16 days.
Short Range ForecastMostly dry. Warm (max 20°C on Mon afternoon, min 14°C on Wed afternoon). Winds increasing (calm on Sun night, fresh winds from the N by Wed afternoon). | Days 4-6 Weather SummaryMostly dry. Very mild (max 17°C on Fri morning, min 13°C on Wed 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) | W 12 | W 11 | W 11 | W 10 | W 12 | W 15 | W 14 | W 13 | W 12 | W 11 | W 11 | W 10 | W 13 | W 15 | W 14 | W 12 | W 12 | W 11 | W 11 | W 10 | W 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 376 | 305 | 181 | 210 | 380 | 1019 | 1575 | 1094 | 636 | 284 | 188 | 98 | 311 | 736 | 1515 | 860 | 617 | 433 | 813 | 648 | 502 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-off | off | cross | glassy | cross | cross-off | off | cross-off | cross | cross | cross | cross-on | glassy | cross | cross-on | on | glassy | cross-on | cross-on |
High Tide | 2:01PM3.31m | 2:38AM3.30m | 3:02PM3.59m | 3:28AM3.59m | 3:45PM3.92m | 4:06AM3.92m | 4:21PM4.26m | 4:40AM4.24m | 4:53PM4.57m | 5:12AM4.53m | 5:26PM4.83m | 5:44AM4.77m | 5:59PM5.00m | ||||||||
Low Tide | 7:24AM1.80m | 8:24PM1.67m | 8:52AM1.60m | 9:32PM1.37m | 9:49AM1.26m | 10:18PM1.00m | 10:31AM0.91m | 10:56PM0.63m | 11:09AM0.57m | 11:32PM0.31m | 11:46AM0.29m | 00:07AM0.08m | 12:22PM0.09m | 00:43AM-0.05m | |||||||
 |  |  |  | |  | | | | | | | | | | | | | | | | |
 | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — |
 | — | 7:22 | — | — | 7:20 | — | — | 7:17 | — | — | 7:15 | — | — | 7:13 | — | — | 7:10 | — | — | 7:08 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 20 | 19 | 19 | 19 | 18 | 17 | 16 | 13 | 14 | 15 | 15 | 17 | 17 | 16 | 16 | 15 | 16 | 15 | 16 | 15 |
Feels °C | 21 | 22 | 19 | 19 | 19 | 19 | 16 | 11 | 9 | 10 | 12 | 13 | 15 | 15 | 16 | 12 | 11 | 13 | 15 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | W 12 | W 11 | W 11 | W 10 | W 12 | W 15 | W 14 | W 13 | W 12 | W 11 | W 11 | W 10 | W 13 | W 12 | W 14 | W 12 | W 12 | W 11 | W 11 | W 10 | W 10 |
| kJ | 376 | 305 | 181 | 210 | 380 | 1019 | 1575 | 1094 | 636 | 284 | 188 | 98 | 311 | 529 | 1515 | 860 | 617 | 433 | 813 | 648 | 502 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | S 13 | S 12 | WSW 19 | W 11 | S 12 | — | — | S 13 | N 5 | W 16 | ESE 4 | W 15 | ESE 4 | S 14 | S 14 | S 11 | SW 13 | SSW 13 | SW 13 |
| kJ | 7 | 7 | 3 | 3 | 72 | 372 | 3 | — | — | 3 | 1 | 5 | 11 | 736 | 2 | 16 | 4 | 2 | 7 | 17 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | S 12 | SW 12 | — | — | — | S 11 | S 13 | — | W 18 | ESE 4 | S 15 | — | SE 11 | S 13 | — | — | — |
| kJ | — | — | — | — | 3 | 6 | — | — | — | 2 | 3 | — | 25 | 6 | 4 | — | 5 | 3 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NW 3 | NNE 3 | E 4 | ESE 4 | ESE 4 | — | — | — | — | — | W 3 | — | — | — |
| kJ | — | — | — | — | — | — | — | 3 | 4 | 22 | 13 | 10 | — | — | — | — | — | 3 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 2 | 14 | 2 | 20 | 108 | 2 | 20 | 21 | 21 | 19 | 19 | 2 | 11 | 191 | 20 | 2 | 11 | 19 |
Best forecast wave conditions in South Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Gunwalloe 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 Gunwalloe Surf forecast
The above surf forecast table for Gunwalloe provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Gunwalloe can be found by selecting the local surf guide option on the grey menu. Our Gunwalloe 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 (Gunwalloe) 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 Gunwalloe 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.
Gunwalloe is 14 km (9 miles) from The Lizard. If you plan a holiday in South Cornwall, look for hotels and other accommodation in The Lizard. The Lizard has rooms for a wide range of budgets as well as car hire and transport links.
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