Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Nanjizal surfForecast / Cornwall (South) / UK
48hr Weather and Surf, issued 5 pm Thursday 18 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Nanjizal surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nanjizal sea temperature is
12.2° C
(Which is slightly warmer than usual)How big are the waves at Nanjizal today?
The current surf forecast for Nanjizal at 8PM is: 6.0m 18s primary swell from a West direction and 2.2m 10s secondary swell from a South direction (forecast issued at 05:00pm December 18). The wind direction is predicted to be cross-onshore and the swell rating is 11.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Dec) | - | - |
| Afternoon (18 Dec) | 20ft (6.0m) | 19s |
| Evening (18 Dec) | 20ft (6.0m) | 18s |
Table - waves today at Nanjizal. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 19 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 9 | 13 | 12 | 12 | 12 | 17 | 17 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 24964 | 22172 | 20905 | 19047 | 17311 | 16336 | 16169 | 15383 | 13225 | 10246 | 7886 | 6792 | 3408 | 2153 | 2588 | 6989 | 3035 | 3551 | 4417 | 10899 | 12087 | 11495 | 11334 | 11169 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 3:42PM 4.53 | 4:01AM 4.70 | 4:20PM 4.64 | 4:38AM 4.83 | 4:56PM 4.72 | 5:14AM 4.92 | ||||||||||||||||||
Low Tide / height (m) | 10:08PM 1.00 | 10:32AM 0.92 | 10:46PM 0.88 | 11:10AM 0.81 | 11:24PM 0.80 | 11:48AM 0.75 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:17 | - | - | - | - | - | - | - | 8:17 | - | - | - | - | - | - | - | 8:18 | - |
| Sunset | 4:21 | - | - | - | - | - | - | - | 4:21 | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - | - |
 |  |  |  | | |  | | | | | |  | | |  | | | | | | | | | |
Rain (mm) | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | 5 | 1 | - | - | - | - | 1 | 2 | 1 |
| Temp. °C | 11 | 10 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 8 | 10 | 10 | 9 | 8 | 8 | 7 | 6 | 6 |
| Feels °C (?) | 3 | 0 | 1 | 0 | 0 | 1 | 3 | 3 | 4 | 4 | 4 | 2 | 1 | 0 | -1 | 3 | 2 | 1 | 2 | 4 | 4 | 2 | 0 | 0 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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 Nanjizal 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.
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