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Fishermans (Rhiw) surfForecast / Wales – Lleyn / UK
12 Day Weather and Surf, issued 12 pm Wednesday 27 Aug 2025 BST
Best Forecast Surf Conditions for Fishermans (Rhiw) this week:
The most powerful waves expected at Fishermans (Rhiw) in the next 12 days are 2.5m 8s and forecast to arrive on Sunday (Aug 31) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Tuesday (Sep 02) at 4AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1AM (Sun 31st Aug) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Fishermans (Rhiw) over the next 12 days.
Short Range Forecast Heavy rain (total 24mm), heaviest during Wed morning. Very mild (max 17°C on Fri afternoon, min 15°C on Wed morning). Winds decreasing (strong winds from the SW on Thu afternoon, light winds from the SW by Fri afternoon). | Days 3-6 Weather Summary Heavy rain (total 32mm), heaviest during Sat afternoon. Very mild (max 18°C on Sat afternoon, min 14°C on Mon night). Winds decreasing (near gales from the SSE on Sat morning, light winds from the W by Mon afternoon). | ||||||||||||||||||||
Wednesday 27 | Thursday 28 | Friday 29 | Saturday 30 | Sunday 31 | Monday 01 | Tuesday 02 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 6 | 8 | 7 | 7 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 7 | 8 | 7 | 8 | 7 | 7 | 4 | 6 |
Wave (?)Graph  | |||||||||||||||||||||
| Energy (?) | 297 | 293 | 256 | 162 | 184 | 343 | 200 | 112 | 131 | 78 | 734 | 854 | 577 | 453 | 339 | 187 | 84 | 44 | 53 | 18 | 245 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | on |
High Tide / height (m) | 11:27AM 3.72 | 11:43PM 3.91 | 11:59AM 3.55 | 12:16AM 3.62 | 12:32PM 3.33 | 12:51AM 3.30 | 1:07PM 3.08 | 1:30AM 2.98 | 1:52PM 2.82 | 2:23AM 2.68 | 3:02PM 2.60 | 3:58AM 2.51 | 4:58PM 2.59 | ||||||||
Low Tide / height (m) | 6:02PM 0.52 | 6:27AM 0.59 | 6:31PM 0.71 | 6:55AM 0.84 | 7:04PM 0.94 | 7:27AM 1.10 | 7:43PM 1.19 | 8:10AM 1.35 | 8:39PM 1.43 | 9:16AM 1.56 | 10:09PM 1.59 | 10:59AM 1.61 | 11:59PM 1.52 | ||||||||
Wednesday 27 | Thursday 28 | Friday 29 | Saturday 30 | Sunday 31 | Monday 01 | Tuesday 02 | |||||||||||||||
| Sunrise | 6:18 | - | - | 6:20 | - | - | 6:22 | - | - | 6:24 | - | - | 6:26 | - | - | 6:26 | - | - | 6:28 | - | - |
| Sunset | - | 8:19 | - | - | 8:16 | - | - | 8:15 | - | - | 8:12 | - | - | 8:09 | - | - | 8:07 | - | - | 8:05 | - |
 |  |  |  | |  | |  |  |  | | | |  | | | | | | |  | |
Rain (mm) | 10 | - | 5 | 5 | 2 | - | 2 | - | - | 9 | 9 | - | - | 2 | 3 | 3 | 1 | 5 | 1 | 1 | 5 |
| Temp. °C | 16 | 16 | 16 | 15 | 16 | 16 | 15 | 17 | 17 | 16 | 18 | 16 | 15 | 16 | 15 | 15 | 16 | 16 | 15 | 16 | 16 |
| Feels °C (?) | 11 | 10 | 10 | 10 | 9 | 10 | 11 | 15 | 14 | 9 | 12 | 8 | 7 | 9 | 10 | 11 | 14 | 14 | 11 | 11 | 12 |
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Surf Rating (10 Max)
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Recent Eyeball Surf Reports for Wales - Lleyn
Wind reports 10 km away suggest it is still onshore at Fishermans (Rhiw) (strong winds from the SW at Aberdaron). A 1.4m windswell from the SW
Actual: 37 min ago
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Information about the Fishermans (Rhiw) Surf forecast
The above surf forecast table for Fishermans (Rhiw) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Fishermans (Rhiw) can be found by selecting the local surf guide option on the grey menu. Our Fishermans (Rhiw) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Fishermans (Rhiw)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Fishermans (Rhiw) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Lleyn Peninsula? If you are looking for accommodation near Fishermans (Rhiw), camping, hotels and holiday cottages in Lleyn Peninsula, consider staying in Porthmadog which is 34 km (21 miles) away. Other places in and around Lleyn Peninsula where you can find information about places to rent, and car hire include Anglesey which is 48 km (30 miles) away, Holyhead, Aberystwyth and Bangor.
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