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Porthtowan Surf Forecast
/ Cornwall (North) (60 surf breaks) /
Surf Forecasts:
Porthtowan surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 5 pm Wednesday 03 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
12.6° C
(Which is slightly warmer than usual)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 7PM is: 3.0m 14s primary swell from a West direction (forecast issued at 05:00pm December 03). The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Dec) | - | - |
| Afternoon (03 Dec) | 11ft (3.5m) | 14s |
| Evening (03 Dec) | 7.5ft (2.3m) | 13s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 03 | Thursday 04 | Friday 05 | Saturday 06 | |||||||||||||||||||||
| 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) (?) | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 9 | 11 | 12 | 13 | 15 | 17 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4201 | 3434 | 1739 | 4192 | 4320 | 3953 | 3610 | 3732 | 5553 | 5071 | 6601 | 7225 | 6789 | 6148 | 5846 | 2481 | 1870 | 2342 | 3345 | 5089 | 9868 | 18560 | 28094 | 28761 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 3:27PM 6.22 | 3:53AM 6.35 | 4:17PM 6.46 | 4:41AM 6.60 | 5:06PM 6.56 | 5:28AM 6.70 | ||||||||||||||||||
Low Tide / height (m) | 9:50PM 0.37 | 10:15AM 0.27 | 10:39PM 0.19 | 11:05AM 0.07 | 11:27PM 0.13 | 11:55AM 0.02 | ||||||||||||||||||
Wednesday 03 | Thursday 04 | Friday 05 | Saturday 06 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:02 | - | - | - | - | - | - | - | 8:03 | - | - | - | - | - | - | - | 8:03 | - |
| Sunset | 4:20 | - | - | - | - | - | - | - | 4:19 | - | - | - | - | - | - | - | 4:19 | - | - | - | - | - | - | - |
 |  |  | | | |  | | |  |  |  | | | | | | | | | | |  |  | |
Rain (mm) | - | - | 1 | 3 | 1 | - | 1 | 1 | 1 | 1 | - | - | - | - | - | 4 | 4 | 1 | 1 | 1 | - | - | - | - |
| Temp. °C | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 |
| Feels °C (?) | 5 | 5 | 2 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 3 | 1 | -1 | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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