Surf Forecasts:
Fishermans (Rhiw) surf forecast from 12 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 0.7m 3s 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.
Alright, folks, Rusty here. Let's look at what the next couple of weeks are serving up. We're on one break only, and to be honest, the beginning is a long, flat road.
From July 12th right through to July 22nd – that's eleven days – there's nothing doing. The swell energy readings are all zeros and single digits. It's flat. You'll see some glassy mornings with light breezes, but no waves to surf. Even when a long-period groundswell from the WNW shows up on the 13th with a 19-second period, there's literally no height behind it, so it's a non-event. Fishermans (Rhiw) is a fairly consistent reef, but even it can't find waves in this.
Things start to look interesting around July 23rd. On Thursday the 23rd, the afternoon brings a 6ft swell from the NW with a combined energy reading of 220, but the wind is a strong onshore from the SSW at 28 mph, turning that into total whitewash. Not worth it.
The one day with a real pulse is Sunday, July 26th. The morning is looking at a 5ft SW swell and a combined energy of 237 – that's a proper moderate-to-strong pulse of energy. For intermediate surfers, that's a solid chest-to-head-high day. The problem is a fresh cross-onshore wind from the SW at 22 mph will make it lumpy and choppy. The afternoon gets even worse with a stronger onshore. So the power is there, but the wind is going to ruin it. Swell that size in those winds is more of a wrestling match than a good time.
Your best chance for a cleanish surf is Monday, July 27th. After the swell drops to about 3ft from the SW (combined energy 86), with a lighter cross-onshore from the W at 9 mph. It's not going to be pristine, but it's the best combination of rideable waves and manageable wind we get.
Also, the water on July 12th is warm – about 63°F, which is 4°F above the norm. It feels like a balmy swim.
So here's the drill: Don't even look at the ocean until July 23rd. July 26th has the most size but will be lumpy. The real call for a surf would be Monday, July 27th, for some cleaner, smaller leftovers.
Rusty.
Short Range ForecastMostly dry. Warm (max 29°C on Tue afternoon, min 15°C on Sun night). Winds increasing (light winds from the E on Sun morning, fresh winds from the NNE by Mon afternoon). | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Fri night. Warm (max 28°C on Wed afternoon, min 17°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | |||||||||||||||
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) | NNW 4 | NW 4 | E 3 | E 3 | W 19 | W 15 | W 18 | SW 18 | W 14 | W 16 | SW 16 | SW 13 | SSW 8 | SW 7 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SSW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 1 | 0 | 0 | 7 | 4 | 6 | 12 | 4 | 5 | 10 | 7 | 6 | 9 | 7 | 7 | 6 | 6 | 6 | 5 | 5 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross | glassy | cross-off | off | glassy | cross-off | off |
High Tide | 7:19PM3.69m | 7:48AM3.73m | 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 | ||||||||
Low Tide | 1:58PM0.68m | 2:30AM0.51m | 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 | ||||||||
 | |  | | | | | |  |  |  | | | | | | |  | |  | | |
 | 5:07 | — | — | 5:07 | — | — | 5:09 | — | — | 5:11 | — | — | 5:11 | — | — | 5:13 | — | — | 5:15 | — | — |
 | — | — | 9:38 | — | — | 9:37 | — | — | 9:37 | — | — | 9:36 | — | — | 9:35 | — | — | 9:34 | — | — | 9:32 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | 2 | — |
Temp °C | 24 | 28 | 24 | 20 | 24 | 23 | 24 | 29 | 26 | 24 | 28 | 27 | 24 | 26 | 24 | 19 | 20 | 20 | 20 | 23 | 23 |
Feels °C | 22 | 24 | 19 | 17 | 18 | 17 | 23 | 26 | 21 | 23 | 25 | 26 | 24 | 22 | 22 | 19 | 17 | 18 | 19 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | NNW 4 | NW 4 | NNW 5 | N 3 | N 5 | W 15 | — | N 5 | N 5 | W 16 | — | — | ESE 3 | SW 7 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SSW 6 |
| kJ | 2 | 1 | 2 | 1 | 1 | 4 | — | 2 | 2 | 5 | — | — | 1 | 9 | 7 | 7 | 6 | 6 | 6 | 5 | 3 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 19 | — | W 18 | SW 18 | W 14 | — | SW 16 | SW 6 | SSW 8 | SW 14 | NNW 5 | — | — | SW 13 | — | — | SW 11 |
| kJ | — | — | — | — | 7 | — | 6 | 12 | 4 | — | 10 | 2 | 6 | 8 | 3 | — | — | 6 | — | — | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 15 | — | W 14 | — | S 7 | W 13 | — | SW 13 | ENE 3 | — | SW 12 | — | SW 12 | — | — | — | — |
| kJ | — | — | — | — | 4 | — | 4 | — | 1 | 3 | — | 7 | 1 | — | 6 | — | 6 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | E 3 | E 3 | NNE 2 | NNE 3 | NNE 3 | — | ESE 4 | E 2 | — | E 3 | — | NW 3 | SW 3 | — | — | — | — | — | N 3 |
| kJ | — | — | 3 | 2 | 1 | 6 | 1 | — | 15 | 1 | — | 8 | — | 2 | 2 | — | — | — | — | — | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 256 | 184 | 346 | 263 | 263 | 256 | 134 | 114 | 256 | 184 | 184 | 300 | 114 | 114 | 275 | 303 | 301 | 303 | 405 | 977 | 344 |
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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