Surf forecast · United Kingdom · Cornwall
Surf forecast Sennen Cove today
Waves, swell and wind at Sennen Cove (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 Sennen Cove
Right now
Big onshore.
Sennen Cove 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 16:00–17:00: big, onshore.
| Time | Waves | Swell | Wind |
|---|---|---|---|
| 09:00 | 4.9 m · 10 s ↑WNW | 1.2 m · 13 s ↑WNW | 42–73 km/h ↑WNW onshore |
| 12:00 | 4.5 m · 10 s ↑WNW | 2.4 m · 11 s ↑WNW | 40–70 km/h ↑WNW onshore |
| 15:00 | 3.9 m · 10 s ↑W | 3.0 m · 9 s ↑WNW | 31–53 km/h ↑WNW onshore |
Monday 26 October
Big Best window 07:00–10:00: big, cross-shore.
| Time | Waves | Swell | Wind |
|---|---|---|---|
| 09:00 | 3.1 m · 8 s ↑SW | 1.3 m · 9 s ↑WNW | 36–63 km/h ↑SW cross-shore |
| 12:00 | 3.2 m · 8 s ↑SW | 1.3 m · 9 s ↑WNW | 35–62 km/h ↑SSW cross-shore |
| 15:00 | 3.3 m · 8 s ↑SW | 1.4 m · 9 s ↑WNW | 37–67 km/h ↑SSW cross-shore |
Tuesday 27 October
Big Best window 16:00–17:00: big, onshore.
| Time | Waves | Swell | Wind |
|---|---|---|---|
| 09:00 | 4.4 m · 9 s ↑WSW | 1.5 m · 12 s ↑W | 33–55 km/h ↑WSW onshore |
| 12:00 | 4.4 m · 9 s ↑WSW | 2.6 m · 9 s ↑SW | 40–68 km/h ↑W onshore |
| 15:00 | 4.3 m · 10 s ↑WSW | 2.8 m · 9 s ↑SW | 33–56 km/h ↑W onshore |
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 Sennen Cove
Open the waves map centred on Sennen Cove
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 Sennen Cove
Water temperature in Penzance · Tides in Penzance · Swell map · Wind map
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Questions
- Is there surf at Sennen Cove today?
- Big: waves 4.9 m at 9 s from WSW, swell 2.0 m · 10 s W (Sat 20:00).
- Is the wind offshore at Sennen Cove?
- Wind 41 km/h from W: onshore for a beach facing W.
- When is the best time to surf Sennen Cove today?
- No daylight hours are left today; the table shows the next days.
- How warm is the water at Sennen Cove?
- 14.7 °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
Praa Sands 24 km · Porthleven 28 km · Gwithian 28 km · Porthtowan 41 km · Perranporth 49 km · Fistral Beach (Newquay) 58 km
How it is computed
Hourly Open-Meteo Marine forecast (wave height, peak period and direction, swell) at a point just off Sennen Cove, 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.