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Surf Forecasts:
Porthmeor surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 pm Monday 23 Mar 2026 GMTForecast update in hr min s Forecast update imminent
Porthmeor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porthmeor sea temperature is
10.7° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Porthmeor today?
The current surf forecast for Porthmeor at 4AM is: 0.9m 11s primary swell from a West-northwest direction and 0.1m 10s secondary swell from a Southwest direction (forecast issued at 11:00pm March 23). An open ocean swell of 1.0m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Mar) | 5ft (1.5m) | 6s |
| Afternoon (24 Mar) | 8ft (2.5m) | 7s |
| Evening (24 Mar) | 13ft (4.0m) | 10s |
Table - waves today at Porthmeor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 24 | Wednesday 25 | Thursday 26 | ||||||||||||||||||||||
| 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 | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 11 | 11 | 11 | 6 | 6 | 7 | 8 | 10 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 298 | 278 | 202 | 158 | 167 | 230 | 539 | 1318 | 3118 | 5299 | 8654 | 9301 | 8208 | 7436 | 6260 | 5743 | 4976 | 4050 | 1961 | 1649 | 1220 | 976 | 748 | 650 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross | cross |
High Tide / height (m) | 7:57PM 5.80 | 8:22AM 5.54 | 8:45PM 5.35 | 9:15AM 4.99 | 9:45PM 4.86 | 10:27AM 4.49 | ||||||||||||||||||
Low Tide / height (m) | 2:21AM 0.59 | 2:44PM 0.91 | 3:14AM 1.07 | 3:41PM 1.41 | 4:24AM 1.52 | 5:01PM 1.80 | ||||||||||||||||||
Tuesday 24 | Wednesday 25 | Thursday 26 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:11 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:42 | - | - | - | - | - | - | - | 6:43 |
 | | | |  |  | | |  |  | | |  | |  | |  | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | - | - | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 |
| Feels °C (?) | 6 | 5 | 5 | 5 | 5 | 3 | 1 | 1 | -2 | -4 | -7 | -7 | -6 | -5 | -4 | -3 | -3 | -3 | -1 | 1 | 2 | 2 | 3 | 4 |
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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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