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Porthtowan Surf Forecast
/ Cornwall (North) (60 surf breaks) /
Surf Forecasts:
Porthtowan surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 am Tuesday 02 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Porthtowan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porthtowan sea temperature is
12.7° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 7PM is: 4.0m 15s primary swell from a West direction (forecast issued at 11:00am December 02). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Dec) | 11ft (3.5m) | 14s |
| Afternoon (02 Dec) | 13ft (4.0m) | 16s |
| Evening (02 Dec) | 13ft (4.0m) | 15s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 02 | Wednesday 03 | Thursday 04 | Friday 05 | |||||||||||||||||||||
| 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 | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 15 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 13 | 13 | 12 | 13 | 14 | 15 | 16 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4948 | 6271 | 7613 | 8314 | 7421 | 6361 | 5957 | 5969 | 5969 | 5306 | 4458 | 3663 | 1739 | 3765 | 4295 | 4679 | 5413 | 4823 | 4139 | 5498 | 5270 | 6691 | 7056 | 7872 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off |
High Tide / height (m) | 2:34PM 5.88 | 3:03AM 5.99 | 3:27PM 6.22 | 3:53AM 6.35 | 4:17PM 6.46 | 4:41AM 6.60 | ||||||||||||||||||
Low Tide / height (m) | 8:30AM 0.98 | 8:59PM 0.66 | 9:24AM 0.59 | 9:50PM 0.37 | 10:15AM 0.27 | 10:39PM 0.19 | ||||||||||||||||||
Tuesday 02 | Wednesday 03 | Thursday 04 | Friday 05 | |||||||||||||||||||||
| Sunrise | 7:58 | - | - | - | - | - | - | - | 8:00 | - | - | - | - | - | - | - | 8:02 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:20 | - | - | - | - | - | - | - | 4:20 | - | - | - | - | - | - | - | 4:19 | - | - | - | - | - |
 |  | |  |  |  | | |  |  | |  | | | | | | |  | |  | | | | |
Rain (mm) | - | 1 | 1 | - | 1 | - | - | 1 | - | - | - | 1 | 2 | - | - | 1 | 2 | 1 | 1 | 1 | - | - | - | - |
| Temp. °C | 9 | 10 | 9 | 8 | 9 | 8 | 8 | 9 | 9 | 11 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 8 | 8 | 8 | 9 |
| Feels °C (?) | 4 | 5 | 6 | 4 | 4 | 3 | 3 | 5 | 5 | 6 | 4 | 4 | 0 | -1 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 3 | 3 | 3 |
- 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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