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Surf Forecasts:
Porthjoke surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 5 pm Saturday 21 Mar 2026 GMTForecast update in hr min s Forecast update imminent
Porthjoke surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porthjoke sea temperature is
10.7° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Porthjoke today?
The current surf forecast for Porthjoke at 11PM is: 0.8m 12s primary swell from a West-northwest direction and 0.1m 10s secondary swell from a Southwest direction (forecast issued at 05:00pm March 21). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | - | - |
| Afternoon (21 Mar) | 2.5ft (0.8m) | 12s |
| Evening (21 Mar) | 2.5ft (0.8m) | 11s |
Table - waves today at Porthjoke. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| 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) (?) | 12 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 176 | 173 | 173 | 183 | 195 | 145 | 299 | 286 | 222 | 215 | 202 | 195 | 195 | 202 | 256 | 252 | 244 | 236 | 228 | 217 | 202 | 158 | 114 | 187 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross | cross | cross- off | cross | cross | cross | cross | cross |
High Tide / height (m) | 6:48PM 6.93 | 7:08AM 6.95 | 7:27PM 6.73 | 7:49AM 6.60 | 8:10PM 6.36 | 8:34AM 6.08 | ||||||||||||||||||
Low Tide / height (m) | 12:47PM -0.12 | 1:04AM -0.04 | 1:24PM 0.10 | 1:43AM 0.22 | 2:04PM 0.48 | 2:26AM 0.64 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:15 | - |
| Sunset | - | 6:34 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - |
 | |  | | | | |  | | | |  | | | | |  | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 11 | 10 | 10 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 11 | 10 | 9 | 9 | 9 | 9 | 10 | 11 |
| Feels °C (?) | 10 | 9 | 8 | 8 | 7 | 6 | 5 | 6 | 6 | 4 | 5 | 5 | 6 | 7 | 7 | 7 | 9 | 7 | 6 | 5 | 5 | 4 | 4 | 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)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Porthjoke surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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