Surf Forecasts:
Fishermans (Rhiw) surf forecast from 23 Sep 2026:
- Most powerful swell: Wednesday 30 Sep, 7PM (local time) - 10ft (3.0m), 9s period, SW swell with 1,121 kJ wave energy.
Best Forecast Surf Conditions for Fishermans (Rhiw) this week:
The most powerful waves expected at Fishermans (Rhiw) in the next 16 days are 3.0m 9s and forecast to arrive on Wednesday (Sep 30) at 7PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Friday (Sep 25) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7PM (Wed 30th Sep) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for Fishermans (Rhiw) over the next 16 days.
Short Range ForecastLight rain (total 6mm), mostly falling on Fri afternoon. Very mild (max 16°C on Thu afternoon, min 10°C on Fri afternoon). Winds increasing (calm on Fri afternoon, fresh winds from the SW by Sat morning). | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Mon night. Very mild (max 17°C on Tue morning, min 13°C on Mon morning). Winds increasing (light winds from the SSW on Mon afternoon, near gales from the SE by Tue morning). | |||||||||||||||||||
Wed 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | W 13 | WSW 6 | S 3 | SW 4 | SW 5 | WSW 16 | WSW 16 | WSW 13 | WSW 5 | SW 5 | SW 6 | SW 6 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SE 4 | SSE 5 | SW 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 3 | 4 | 5 | 22 | 31 | 25 | 24 | 17 | 69 | 87 | 132 | 188 | 226 | 58 | 18 | 17 | 9 | 20 | 168 | 778 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-on | on | on | cross-off | cross-off | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | on | cross | cross-on | cross-on | cross-on |
High Tide | 7:25PM3.38m | 7:46AM3.28m | 7:56PM3.70m | 8:15AM3.56m | 8:26PM3.98m | 8:46AM3.82m | 8:58PM4.21m | 9:17AM4.03m | 9:32PM4.35m | 9:51AM4.16m | 10:07PM4.39m | 10:27AM4.19m | 10:45PM4.30m | |||||||
Low Tide | 2:11AM0.70m | 2:19PM0.72m | 2:45AM0.42m | 2:54PM0.48m | 3:19AM0.20m | 3:28PM0.29m | 3:52AM0.06m | 4:02PM0.18m | 4:27AM0.03m | 4:38PM0.16m | 5:02AM0.11m | 5:14PM0.22m | ||||||||
 |  | | |  |  | | | | |  |  | | | | | | |  | | |
 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — | 7:15 | — | — |
 | 7:15 | — | — | 7:13 | — | — | 7:10 | — | — | 7:07 | — | — | 7:06 | — | — | 7:02 | — | — | 7:00 | — |
mm | — | — | — | — | 1 | 1 | 4 | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 2 |
Temp °C | 14 | 13 | 15 | 16 | 16 | 12 | 10 | 15 | 15 | 15 | 15 | 16 | 15 | 15 | 13 | 14 | 16 | 17 | 18 | 16 |
Feels °C | 11 | 11 | 10 | 13 | 12 | 8 | 7 | 10 | 10 | 10 | 10 | 9 | 9 | 10 | 10 | 12 | 10 | 10 | 8 | 7 |
Swell 1 Height (m) Direction Period (s) | WSW 4 | NNW 4 | SW 6 | W 11 | W 11 | SW 5 | SW 5 | WSW 13 | W 12 | — | W 14 | W 13 | — | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | — | — |
| kJ | 2 | 2 | 1 | 2 | 2 | 10 | 6 | 17 | 3 | — | 4 | 3 | — | 58 | 18 | 17 | 9 | 4 | — | — |
Swell 2 Height (m) Direction Period (s) | W 13 | WSW 6 | — | — | — | WSW 16 | WSW 16 | — | W 15 | — | — | W 13 | — | SW 13 | SW 12 | W 12 | W 12 | W 12 | — | — |
| kJ | 3 | 4 | — | — | — | 25 | 24 | — | 4 | — | — | 3 | — | 7 | 6 | 3 | 3 | 3 | — | — |
Swell 3 Height (m) Direction Period (s) | W 8 | W 12 | W 11 | — | — | W 10 | WSW 10 | — | — | — | — | — | — | — | W 9 | — | — | — | — | — |
| kJ | 1 | 3 | 2 | — | — | 2 | 9 | — | — | — | — | — | — | — | 2 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 4 | — | S 3 | SW 4 | SW 5 | NW 3 | NW 4 | WSW 3 | WSW 5 | SW 5 | SW 6 | SW 6 | SW 7 | — | — | — | — | SE 4 | SSE 5 | SW 8 |
| kJ | 26 | — | 5 | 22 | 31 | 5 | 2 | 6 | 69 | 87 | 132 | 188 | 226 | — | — | — | — | 20 | 168 | 778 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 129 | 114 | 185 | 137 | 188 | 123 | 2 | 129 | 129 | 205 | 136 | 240 | 96 | 7 | 129 | 107 | 122 | 918 | 412 | 379 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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 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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