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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 Friday 28 Nov 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 3PM is: 4.0m 15s primary swell from a West direction (forecast issued at 11:00am November 28). An open ocean swell of 0.1m 18s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Nov) | 13ft (4.0m) | 16s |
| Afternoon (28 Nov) | 13ft (4.0m) | 15s |
| Evening (28 Nov) | 15ft (4.5m) | 14s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 28 | Saturday 29 | Sunday 30 | Monday 01 | |||||||||||||||||||||
| 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) (?) | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 7 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 8980 | 8842 | 7440 | 6607 | 7450 | 6554 | 5589 | 4089 | 3988 | 3198 | 2214 | 1610 | 1423 | 1190 | 1046 | 934 | 828 | 661 | 575 | 442 | 269 | 658 | 1599 | 2522 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross | cross | cross | on | on | cross- on | cross- on | on | on | cross- on | cross- on | on | on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 10:14AM 4.96 | 10:53PM 4.69 | 11:24AM 4.99 | 12:05AM 4.84 | 12:33PM 5.19 | 1:12AM 5.16 | ||||||||||||||||||
Low Tide / height (m) | 4:51PM 1.73 | 5:15AM 1.83 | 6:00PM 1.60 | 6:26AM 1.67 | 7:06PM 1.34 | |||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 01 | |||||||||||||||||||||
| Sunrise | 7:52 | - | - | - | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:56 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:22 | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - | - | 4:21 | - | - | - | - | - |
 |  | |  | |  |  | |  | | | |  | | | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | 1 | 8 | 3 | 1 | - | - | - | - | - | - | - | - | 1 | - | - | - | 3 | 3 | 3 |
| Temp. °C | 12 | 13 | 12 | 11 | 12 | 12 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 10 | 11 | 12 |
| Feels °C (?) | 4 | 5 | 6 | 6 | 5 | 4 | 4 | 4 | 2 | 4 | 3 | -1 | 0 | 0 | 1 | 3 | 5 | 4 | 4 | 3 | 3 | 1 | 2 | 3 |
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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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