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Porth Nobla surfForecast / Wales – Anglesy / UK
48hr Weather and Surf, issued 12 pm Sunday 14 Sep 2025 BST
How big are the waves at Porth Nobla today?
The current surf forecast for Porth Nobla at 1PM is: 1.8m 6s primary swell from a South direction and 1.1m 6s secondary swell from a Southwest direction (forecast issued at 12:00pm September 14). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | 4.5ft (1.3m) | 5s |
| Afternoon (14 Sep) | 7ft (2.2m) | 6s |
| Evening (14 Sep) | 8ft (2.5m) | 7s |
Table - waves today at Porth Nobla. (Swell directed towards the surf break)
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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 | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 73 | 227 | 508 | 656 | 816 | 1248 | 1699 | 2180 | 2428 | 1773 | 1631 | 1179 | 766 | 771 | 662 | 493 | 295 | 232 | 126 | 83 | 54 | 73 | 87 | 320 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- on | on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross | cross- on |
High Tide / height (m) | 2:38PM 3.35 | 3:24AM 3.17 | 4:01PM 3.11 | 5:15AM 2.95 | 5:51PM 3.10 | |||||||||||||||||||
Low Tide / height (m) | 9:17AM 0.93 | 9:52PM 0.94 | 10:32AM 1.24 | 11:20PM 1.09 | 12:02PM 1.31 | 12:51AM 0.98 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:54 |
| Sunset | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:31 | - | - | - | - |
 |  |  |  |  |  | | | | | | |  |  | |  |  | | | | | |  |  | |
Rain (mm) | - | 3 | 2 | 1 | 2 | 1 | 1 | 1 | - | 3 | 1 | 1 | - | - | - | - | - | - | - | - | - | 1 | 8 | 17 |
| Temp. °C | 14 | 13 | 15 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 13 | 13 | 15 |
| Feels °C (?) | 8 | 7 | 6 | 8 | 7 | 5 | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 3 | 3 | 5 | 6 | 8 | 10 | 10 | 12 | 9 | 9 | 10 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Wales - Anglesy
The wind is still cross-on at Porth Nobla (strong winds from the S at Valley RAF Airport 2 km from Porth Nobla). 1.1m 4s local chop from the SSW to make surfable waves.
2 h 2 min ago
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