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Fishermans (Rhiw) surfForecast / Wales – Lleyn / UK
16 Day Weather and Surf, issued 6 am Sunday 17 May 2026 BSTForecast update in hr min s Forecast update imminent
Fishermans (Rhiw) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Fishermans (Rhiw) sea temperature is
11.3° C
(Which is normal for this time of year)Best Forecast Surf Conditions for Fishermans (Rhiw) this week:
The most powerful waves expected at Fishermans (Rhiw) in the next 16 days are 2.4m 8s and forecast to arrive on Wednesday (May 20) at 7AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Saturday (May 23) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7AM (Wed 20th May) | 8ft (2.4m) 8s |
Table - best surf conditions forecast for Fishermans (Rhiw) over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 15mm), heaviest on Mon night. Very mild (max 12°C on Mon night, min 9°C on Sun morning). Winds increasing (light winds from the WSW on Sun night, strong winds from the SW by Tue night). | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Wed night. Very mild (max 19°C on Thu night, min 12°C on Wed morning). Winds decreasing (strong winds from the SW on Wed morning, light winds from the SSW by Fri night). | ||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
W 5 | SW 5 | WSW 6 | SW 6 | SW 6 | SW 6 | SSW 7 | SW 6 | SW 7 | SW 8 | SW 7 | SW 5 | SW 7 | SW 7 | SW 7 | WSW 11 | SW 11 | SW 10 | WSW 10 | SW 10 | WSW 9 | |
44 | 49 | 57 | 40 | 18 | 7 | 150 | 263 | 428 | 606 | 357 | 100 | 114 | 73 | 38 | 75 | 216 | 102 | 64 | 44 | 32 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | on | on | on | on | cross-on | on | cross | on | on | cross-on | cross-off | cross-off | off | |
High Tide | 9:29PM4.30m | 9:53AM4.27m | 10:14PM4.31m | 10:41AM4.11m | 11:01PM4.22m | 11:30AM3.84m | 11:51PM4.04m | 12:24PM3.52m | 00:46AM3.80m | 1:23PM3.20m | 1:48AM3.57m | 2:34PM2.97m | 3:01AM3.39m | ||||||||
Low Tide | 4:05PM0.12m | 4:30AM0.06m | 4:52PM0.21m | 5:20AM0.08m | 5:41PM0.37m | 6:14AM0.19m | 6:32PM0.57m | 7:11AM0.36m | 7:27PM0.78m | 8:12AM0.55m | 8:27PM0.97m | 9:17AM0.71m | 9:32PM1.11m | ||||||||
 |  |  |  |  |  | |  |  | | | | | |  | | | | | |  | |
 | 5:18 | — | — | 5:16 | — | — | 5:15 | — | — | 5:13 | — | — | 5:13 | — | — | 5:11 | — | — | 5:09 | — | — |
 | — | — | 9:10 | — | — | 9:13 | — | — | 9:14 | — | — | 9:15 | — | — | 9:16 | — | — | 9:19 | — | — | 9:20 |
1 | 2 | 3 | — | — | 7 | 1 | — | 1 | — | — | 3 | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 10 | 10 | 11 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 17 | 19 | 18 | 16 | 14 | 15 | 17 | 17 |
3 | 4 | 6 | 7 | 7 | 5 | 7 | 4 | 4 | 4 | 7 | 9 | 10 | 15 | 14 | 15 | 14 | 13 | 12 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | W 12 | NW 4 | W 12 | SW 6 | SW 6 | SW 4 | — | — | — | — | — | SW 8 | SW 7 | SW 7 | SW 7 | WSW 11 | SW 11 | SW 10 | WSW 10 | SW 10 | WSW 9 |
 kJ | 3 | 3 | 3 | 40 | 18 | 6 | — | — | — | — | — | 18 | 104 | 73 | 38 | 75 | 216 | 102 | 64 | 44 | 32 |
Swell 2 Height (m) Direction Period (s) | — | — | W 12 | WNW 4 | — | SW 6 | — | — | — | — | — | — | — | W 15 | W 14 | WSW 10 | — | SW 4 | W 3 | — | SW 13 |
| kJ | — | — | 3 | 1 | — | 5 | — | — | — | — | — | — | — | 4 | 4 | 43 | — | 2 | 1 | — | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 14 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 |
Wind waves Height (m) Direction Period (s) | W 5 | SW 5 | WSW 6 | — | — | SSE 3 | SSW 7 | SW 6 | SW 7 | SW 8 | SW 7 | SW 5 | SW 7 | — | SE 2 | SSW 6 | SW 10 | — | — | — | — |
| kJ | 44 | 49 | 57 | — | — | 7 | 150 | 263 | 428 | 606 | 357 | 100 | 114 | — | 1 | 66 | 132 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 297 | 296 | 285 | 7 | 255 | 295 | 337 | 321 | 292 | 297 | 297 | 205 | 185 | 136 | 74 | 185 | 38 | 7 | 2 | 2 | 2 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 Fishermans (Rhiw) 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.
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 16 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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