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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 am Thursday 22 Jan 2026 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
10.2° C
(Which is normal for this time of year)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 12PM is: 5.0m 16s primary swell from a West direction (forecast issued at 05:00am January 22). An open ocean swell of 1.1m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Jan) | 16ft (5.0m) | 16s |
| Afternoon (22 Jan) | 16ft (5.0m) | 15s |
| Evening (22 Jan) | 11ft (3.5m) | 14s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 22 | Friday 23 | Saturday 24 | Sun 25 | |||||||||||||||||||||
| 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 | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 18 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 18 | 18 | 19 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 8765 | 14935 | 13805 | 12692 | 12236 | 7728 | 5413 | 3508 | 2248 | 1359 | 1947 | 18756 | 27917 | 16882 | 10489 | 8650 | 7525 | 7655 | 17281 | 16882 | 15776 | 18710 | 17300 | 16630 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- on | on | cross- on | cross- on | cross- off | off | off | cross- off | off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off |
High Tide / height (m) | 7:11AM 6.32 | 7:30PM 6.01 | 7:48AM 6.27 | 8:08PM 5.92 | 8:27AM 6.10 | 8:50PM 5.74 | ||||||||||||||||||
Low Tide / height (m) | 1:35PM 0.48 | 1:45AM 0.56 | 2:10PM 0.56 | 2:22AM 0.70 | 2:49PM 0.74 | |||||||||||||||||||
Thursday 22 | Friday 23 | Saturday 24 | Sun 25 | |||||||||||||||||||||
| Sunrise | - | - | 8:07 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:06 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:55 | - | - | - | - | - | - | - | 4:58 | - | - | - | - | - | - | - | 4:59 | - | - | - |
 |  |  |  |  |  | |  | | |  | | | | |  | | |  | |  | | | | |
Rain (mm) | - | - | 1 | - | - | - | - | 1 | 3 | 1 | - | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 3 | - | 1 | 1 | 1 | 1 |
| Temp. °C | 8 | 8 | 9 | 9 | 9 | 7 | 7 | 8 | 8 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 8 | 8 | 8 | 9 | 9 | 8 | 8 | 7 |
| Feels °C (?) | 5 | 5 | 3 | 3 | 3 | 3 | 3 | -1 | 0 | 1 | -3 | -6 | -7 | -4 | -3 | -2 | -2 | -1 | 2 | 3 | 2 | 1 | 2 | 2 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
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