Surf Forecasts:
Fishermans (Rhiw) surf forecast from 13 Jul 2026:
- Most powerful swell: Tuesday 14 Jul, 4PM (local time) - 0.5ft (0.1m), 18s period, SW swell with 12 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 0.1m 18s and forecast to arrive on Tuesday (Jul 14) at 4PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Monday (Jul 13) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4PM (Tue 14th Jul) | 0.5ft (0.1m) 18s |
Table - best surf conditions forecast for Fishermans (Rhiw) over the next 16 days.
Right then, folks, Rusty here. Let’s have a look at what’s on offer for the next couple of weeks.
Alright, I’m gonna be straight with you – this is a tough one. The 16-day window for Fishermans (Rhiw) is basically a flat spell. There’s a massive gap right from the start, with no real surf to speak of. We’re looking at days of absolutely nothing worth paddling out for. The first few days are all tiny 0.3ft to 0.7ft slop with weak energy readings (mostly under 12), and the period is short and all over the shop. It’s a grim start. The water temperature is sitting at 64°, which is 5° warmer than normal for this time of year – that’s a notable anomaly, feeling more like a bath than the usual Welsh summer.
We do see a slight pulse of energy moving in by Thursday the 24th of July. The morning of the 24th sees the swell height bump up to 5ft from the SW with a period of just 6 seconds, and the combined energy climbs to 133 (moderate). That’s the biggest we’ll see, but it’s a short-period, wind-affected swell with a light cross-onshore breeze. It’s not going to be clean. The quality is poor, and for a reef break like this, that short period won’t translate into anything with shape. It’s still a write-off for a decent paddle.
The end of the run on the 25th of July has a clean morning with a light offshore breeze, but the swell is a pathetic 2ft at 6 seconds with only 19 energy. It’s barely a ripple.
Honestly, there’s no standout in this whole forecast. The blank run is pretty normal for this area when the swell windows just don’t line up. The best you could say is that Thursday the 24th morning is the biggest, but it’s also the worst quality. If you’re desperate, the 2ft on the 25th morning might be a log session, but the wave state is clean. I wouldn’t hold your breath.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Wed night, min 16°C on Mon night). Winds decreasing (fresh winds from the NNE on Mon afternoon, light winds from the NNE by Wed morning). | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Thu afternoon, min 17°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||
AM | 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) | SE 4 | W 19 | W 15 | W 18 | SW 18 | W 14 | W 16 | SW 16 | W 13 | SW 14 | SW 14 | SSW 7 | SSW 7 | SSW 7 | SW 13 | SW 6 | SW 6 | SW 11 | W 11 | S 5 | NNW 3 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1 | 7 | 4 | 6 | 12 | 4 | 5 | 10 | 3 | 8 | 8 | 6 | 5 | 6 | 6 | 1 | 1 | 5 | 2 | 1 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | glassy | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off |
High Tide | 8:13PM3.98m | 8:41AM3.88m | 9:03PM4.23m | 9:31AM3.97m | 9:51PM4.40m | 10:19AM3.97m | 10:38PM4.46m | 11:05AM3.88m | 11:24PM4.39m | 11:50AM3.73m | 00:09AM4.20m | 12:36PM3.54m | 00:55AM3.91m | ||||||||
Low Tide | 2:55PM0.48m | 3:26AM0.22m | 3:45PM0.31m | 4:17AM-0.00m | 4:32PM0.20m | 5:05AM-0.11m | 5:16PM0.18m | 5:51AM-0.10m | 5:59PM0.24m | 6:35AM0.04m | 6:41PM0.39m | 7:19AM0.27m | 7:23PM0.61m | ||||||||
 | |  | | | | | | | | | |  | | | | | | | | | |
 | 5:07 | — | — | 5:09 | — | — | 5:11 | — | — | 5:11 | — | — | 5:13 | — | — | 5:15 | — | — | 5:16 | — | — |
 | — | — | 9:37 | — | — | 9:37 | — | — | 9:36 | — | — | 9:35 | — | — | 9:34 | — | — | 9:32 | — | — | 9:30 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 23 | 23 | 22 | 24 | 25 | 23 | 25 | 27 | 23 | 24 | 22 | 21 | 23 | 22 | 18 | 21 | 20 | 18 | 20 | 20 |
Feels °C | 17 | 17 | 18 | 19 | 19 | 20 | 22 | 21 | 22 | 21 | 19 | 18 | 18 | 19 | 17 | 16 | 18 | 16 | 15 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | SE 4 | W 19 | NNW 4 | W 18 | N 5 | NNW 5 | — | — | N 5 | ESE 3 | SW 6 | NNW 4 | ESE 3 | SSW 7 | SW 6 | NNW 4 | SW 6 | S 6 | NNW 4 | S 5 | NNW 3 |
| kJ | 1 | 7 | 5 | 6 | 2 | 7 | — | — | 2 | 1 | 1 | 3 | 1 | 4 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | — | W 15 | W 15 | — | SW 18 | W 14 | W 16 | SW 16 | SW 7 | SW 6 | SW 14 | SSW 7 | SSW 7 | SW 12 | SW 13 | SW 6 | — | SW 11 | S 6 | — | — |
| kJ | — | 4 | 4 | — | 12 | 4 | 5 | 10 | 2 | 1 | 8 | 5 | 5 | 6 | 6 | 1 | — | 5 | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 14 | — | — | W 13 | S 6 | W 13 | SW 14 | — | SW 12 | — | — | W 13 | — | — | — | W 11 | — | — |
| kJ | — | — | — | 4 | — | — | 3 | 1 | 3 | 8 | — | 6 | — | — | 3 | — | — | — | 2 | — | — |
Wind waves Height (m) Direction Period (s) | ENE 3 | NNE 2 | ENE 3 | NNE 3 | NNE 3 | E 3 | E 3 | — | ESE 4 | — | — | E 3 | — | NNW 3 | N 3 | — | NNW 4 | NNW 4 | — | NNW 3 | — |
| kJ | 2 | 2 | 2 | 2 | 1 | 5 | 4 | — | 10 | — | — | 5 | — | 5 | 4 | — | 7 | 4 | — | 3 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 405 | 184 | 251 | 134 | 184 | 251 | 134 | 184 | 303 | 313 | 184 | 216 | 303 | 331 | 321 | 321 | 321 | 305 | 305 | 379 | 305 |
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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