Surf forecast · United Kingdom · Cornwall
Surf forecast Gwithian today
Waves, swell and wind at Gwithian (Cornwall, United Kingdom) today and for the next 3 days, every 3 hours of daylight, with a plain verdict per day — flat, small, fun, good or big, offshore or onshore — and the best window to paddle out.
These numbers are more than 7 hours old, so they are hidden. Open the live waves map for the current sea. Open the waves map centred on Gwithian
Right now
Good cross-shore.
Gwithian surf forecast, next 3 days
- Flat
- Small
- Fun
- Good
- Big
Saturday 24 October
No daylight hours left today: see tomorrow.
Sunday 25 October
Big Best window 11:00–14:00: big, onshore.
| Time | Waves | Swell | Wind |
|---|---|---|---|
| 09:00 | 2.8 m · 10 s ↑WNW | 1.8 m · 10 s ↑WNW | 44–75 km/h ↑WNW onshore |
| 12:00 | 2.5 m · 10 s ↑WNW | 1.8 m · 9 s ↑WNW | 41–70 km/h ↑WNW onshore |
| 15:00 | 2.3 m · 10 s ↑WNW | 2.0 m · 8 s ↑WNW | 33–56 km/h ↑WNW onshore |
Monday 26 October
Fun Best window 13:00–16:00: fun, cross-shore.
| Time | Waves | Swell | Wind |
|---|---|---|---|
| 09:00 | 1.8 m · 7 s ↑WSW | 0.8 m · 8 s ↑WNW | 34–57 km/h ↑SSW cross-shore |
| 12:00 | 1.9 m · 7 s ↑WSW | 0.9 m · 9 s ↑W | 33–55 km/h ↑SSW cross-shore |
| 15:00 | 2.0 m · 7 s ↑WSW | 1.0 m · 9 s ↑W | 36–62 km/h ↑SSW cross-shore |
Tuesday 27 October
Good Best window 16:00–17:00: good, cross-shore.
| Time | Waves | Swell | Wind |
|---|---|---|---|
| 09:00 | 2.3 m · 10 s ↑WSW | 1.5 m · 9 s ↑WSW | 27–48 km/h ↑WSW cross-shore |
| 12:00 | 2.3 m · 10 s ↑W | 1.5 m · 10 s ↑WSW | 36–63 km/h ↑W cross-shore |
| 15:00 | 2.2 m · 10 s ↑W | 1.8 m · 10 s ↑W | 28–50 km/h ↑W cross-shore |
Every 3 hours of daylight, local time. Waves = significant height of the whole sea, with the peak period; swell = the long-period part. Arrows point where the waves and the wind are going.
Forecast for Sat 20:00 local time · updated 2026-10-24 19:11 UTC
Waves map around Gwithian
Open the waves map centred on Gwithian
Live significant wave height from NOAA WaveWatch III, averaged over 2° cells: coarser than the forecast above, so near the coast it can differ from it.
More about Gwithian
Water temperature in St Ives · Tides in St Ives · Swell map · Wind map
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Questions
- Is there surf at Gwithian today?
- Good: waves 2.4 m at 10 s from W, swell 1.3 m · 10 s W (Sat 20:00).
- Is the wind offshore at Gwithian?
- Wind 40 km/h from W: cross-shore for a beach facing NW.
- When is the best time to surf Gwithian today?
- No daylight hours are left today; the table shows the next days.
- How warm is the water at Gwithian?
- 14.9 °C
- Where do the numbers come from?
- The Open-Meteo Marine API (wave models of Météo-France, ECMWF and NOAA) for a point just off the beach, and the Open-Meteo forecast for the wind. A model at sea, not a surf report: sandbanks, reefs and tide shape the waves you actually get.
Nearby surf spots
Porthtowan 13 km · Praa Sands 18 km · Porthleven 21 km · Perranporth 21 km · Sennen Cove 28 km · Fistral Beach (Newquay) 29 km
How it is computed
Hourly Open-Meteo Marine forecast (wave height, peak period and direction, swell) at a point just off Gwithian, and the Open-Meteo wind at 10 m. Size: flat under 0.3 m, small under 0.8 m, fun under 1.5 m, good under 2.5 m (with a period of 8 s or more), big above. Wind: under 8 km/h light; otherwise offshore, cross-shore or onshore from its angle to the direction the beach faces. The best window is the 3 daylight hours with the best mix of size, period and wind. Rebuilt every 3 hours. Live map.