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Surf Forecasts:
Porth Nobla surfForecast / Wales – Anglesy / UK
48hr Weather and Surf, issued 11 am Saturday 21 Mar 2026 GMTForecast update in hr min s Forecast update imminent
Porth Nobla surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Nobla sea temperature is
8.9° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Porth Nobla today?
The current surf forecast for Porth Nobla at 6PM is: 0.2m 9s primary swell from a South-southwest direction and 0.1m 13s secondary swell from a South direction (forecast issued at 11:00am March 21). The wind direction is predicted to be glassy.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 0.5ft (0.2m) | 10s |
| Afternoon (21 Mar) | 0.5ft (0.2m) | 9s |
| Evening (21 Mar) | 0.5ft (0.2m) | 9s |
Table - waves today at Porth Nobla. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| 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) (?) | 10 | 9 | 9 | 9 | 9 | 8 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 4 | 5 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 10 | 9 | 8 | 8 | 7 | 7 | 7 | 8 | 7 | 4 | 4 | 8 | 8 | 12 | 10 | 10 | 24 | 23 | 21 | 64 | 28 | 91 | 182 | 353 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- on | glass | cross- on | cross- on | on | on | glass | cross- on | cross- on | cross- off | off | cross- off | off | cross- off | glass | cross- on | on | cross- on | cross- on | cross- on | cross- on | on |
High Tide / height (m) | 10:26AM 4.51 | 10:47PM 4.20 | 11:05AM 4.37 | 11:26PM 4.08 | 11:48AM 4.11 | 12:09AM 3.85 | ||||||||||||||||||
Low Tide / height (m) | 5:24PM -0.15 | 5:39AM 0.04 | 6:05PM 0.08 | 6:23AM 0.22 | 6:49PM 0.41 | |||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| Sunrise | 6:18 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:34 | - | - | - | - | - | - | - | 6:35 | - | - | - | - |
 | | | |  | | |  |  | | | |  | | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 9 | 9 | 8 | 8 | 7 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 9 |
| Feels °C (?) | 7 | 9 | 8 | 8 | 6 | 5 | 6 | 6 | 6 | 6 | 6 | 4 | 3 | 3 | 3 | 3 | 3 | 2 | 1 | 2 | 0 | 1 | 0 | 0 |
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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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