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Porthtowan Surf Forecast
/ Cornwall (North) (60 surf breaks) /
Surf Forecasts:
Porthtowan surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 12 am Wednesday 29 Apr 2026 BSTForecast 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
11.9° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 6AM is: 1.1m 12s primary swell from a West direction and 0.2m 6s secondary swell from a North-northwest direction, 1.2m 6s secondary swell from a Northeast direction (forecast issued at 12:00am April 29). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 3.5ft (1.1m) | 12s |
| Afternoon (29 Apr) | 3.5ft (1.0m) | 12s |
| Evening (29 Apr) | 3ft (0.9m) | 12s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Wed night. Very mild (max 14°C on Wed morning, min 8°C on Tue night). Winds decreasing (near gales from the E on Wed night, calm by Thu night). | ||||||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 1 | ||||||||||||||||||||||
1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 11 | WSW 11 | W 11 | |
316 | 365 | 371 | 365 | 287 | 282 | 225 | 175 | 123 | 118 | 97 | 92 | 86 | 86 | 85 | 81 | 75 | 75 | 77 | 85 | 94 | 88 | 156 | 83 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | glassy | glassy | cross | cross | cross | cross | cross | |
High Tide | 4:27AM5.71m | 4:49PM5.71m | 5:05AM5.91m | 5:24PM5.93m | 5:40AM6.03m | 5:58PM6.07m | ||||||||||||||||||
Low Tide | 10:31PM1.07m | 10:54AM0.82m | 11:09PM0.83m | 11:28AM0.67m | 11:44PM0.68m | 12:00PM0.60m | ||||||||||||||||||
 | |  | |  | |  |  | |  |  |  | | | | |  | | | | | | | | |
 | — | 6:01 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:36 | — | — | — | — | — | — | — | 8:37 | — | — | — | — | — | — | — | 8:38 | — |
— | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 8 | 8 | 11 | 14 | 14 | 14 | 14 | 13 | 12 | 11 | 11 | 12 | 13 | 12 | 12 | 12 | 12 | 11 | 13 | 14 | 14 | 13 | 12 |
2 | 1 | 1 | 3 | 6 | 4 | 4 | 3 | 3 | 2 | 1 | 2 | 3 | 5 | 6 | 8 | 11 | 11 | 10 | 11 | 12 | 11 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 11 | WSW 11 | WSW 7 |
 kJ | 316 | 365 | 371 | 365 | 287 | 282 | 225 | 175 | 123 | 118 | 87 | 85 | 86 | 86 | 85 | 78 | 75 | 75 | 77 | 85 | 94 | 88 | 156 | 47 |
Swell 2 Height (m) Direction Period (s) | WSW 9 | NNW 6 | NNW 6 | N 6 | W 20 | NNE 6 | WNW 18 | WNW 17 | NNE 6 | WNW 16 | NE 6 | WNW 15 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | WNW 12 | WNW 12 | W 11 |
| kJ | 15 | 3 | 3 | 3 | 8 | 57 | 62 | 116 | 47 | 99 | 19 | 92 | 86 | 84 | 82 | 81 | 51 | 46 | 44 | 44 | 43 | 30 | 14 | 83 |
Swell 3 Height (m) Direction Period (s) | W 7 | — | — | — | W 20 | WNW 19 | — | N 7 | WNW 16 | NNE 7 | WNW 16 | — | — | NE 6 | NE 6 | NE 5 | E 6 | SSE 4 | SSE 4 | SSE 4 | — | SE 5 | SE 5 | WNW 12 |
| kJ | 1 | — | — | — | 8 | 35 | — | 15 | 103 | 15 | 97 | — | — | 5 | 1 | 1 | 3 | 3 | 2 | 2 | — | 1 | 1 | 14 |
Wind waves Height (m) Direction Period (s) | NNE 5 | NNE 6 | NE 6 | NE 6 | ENE 6 | ESE 5 | E 5 | E 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | SE 4 | SE 5 | SSE 5 | — | — | — | — | — | — | — |
| kJ | 64 | 81 | 92 | 116 | 167 | 113 | 142 | 121 | 191 | 162 | 114 | 128 | 114 | 77 | 45 | 20 | 9 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 155 | 273 | 273 | 245 | 236 | 227 | 227 | 245 | 385 | 193 | 193 | 197 | 191 | 191 | 121 | 0 | 0 | 0 | 0 | 5 | 16 | 17 | 16 | 5 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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