
Surf Forecasts:
Fishermans (Rhiw) surf forecast from 17 Jul 2026:
- Most powerful swell: Friday 17 Jul, 1PM (local time) - 0.5ft (0.1m), 12s period, SW swell with 6 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 12s and forecast to arrive on Friday (Jul 17) at 1PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Saturday (Jul 18) at 4PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1PM (Fri 17th Jul) | 0.5ft (0.1m) 12s |
Table - best surf conditions forecast for Fishermans (Rhiw) over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s get straight into it for this stretch.
First off, I’m not gonna sugarcoat it – this is a tough outlook. We’re looking at a 16-day window starting now, and the first recommendation is essentially a no-go. For the first week, the combined swell energy is anemically low, reading between 0 and 7 (7 is weak), and the actual rideable wave heights barely register. It’s a long, flat spell. The first sign of anything that might be called a wave doesn’t show up until the 23rd of July, and even then it’s tiny. There’s a bare patch of several days there with no real surf to speak of.
The only spot on the radar is Fishermans (Rhiw). It’s a reef break that’s fairly consistent, but it’s not living up to that right now. For a beginner-friendly reef, it’s a shame, but the swell just isn’t there. Water temp is about average for the time of year, so nothing out of the ordinary for a wetsuit.
The best we’ve got in this whole period is a tiny window on the 25th of July. Saturday morning, we see a 2ft swell from the SW, with a short period of 5 seconds. The combined energy is still only 24 (weak). The wind is cross-off from the NNW at 19 mph, which will keep things clean. It’s small, but it’s the biggest bump in the whole forecast. The afternoon drops to 2ft, still clean. For a beginner break, this is about as good as it gets here, but it’s a far cry from a standout.
After that, it fades back into the doldrums. The 27th of July Monday morning goes glassy, but the swell is a pathetic 1ft at 5 seconds with 6 energy. It’s clean, but it’s barely surfable.
Bottom line: Don’t get your hopes up. The 25th of July Saturday morning is the only time you’d want to paddle out, and that’s only if you’re desperate or learning. The rest of the 16 days is a write-off for any decent waves. It’s just one of those spells.
Stay patient, Rusty.
Short Range ForecastMostly dry. Warm (max 22°C on Thu night, min 13°C on Fri night). Winds decreasing (fresh winds from the NNW on Sat afternoon, light winds from the NE by Sat night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 17°C on Sun night, min 12°C on Tue night). Mainly fresh winds. | ||||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 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 | |||||||||||||||||||||
Wave Height (m) Direction Period (s) | W 12 | SW 12 | SW 13 | SW 6 | S 5 | SW 11 | W 11 | NNW 3 | NW 4 | NNW 4 | W 8 | N 4 | NNW 5 | NNW 4 | W 16 | NNW 4 | NNW 5 | N 3 | NNW 4 | WNW 3 | W 3 |
Wave Graph | |||||||||||||||||||||
3 | 6 | 6 | 1 | 1 | 5 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 2 | 1 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross | cross |
High Tide | 11:05AM3.88m | 11:24PM4.39m | 11:50AM3.73m | 00:09AM4.20m | 12:36PM3.54m | 00:55AM3.91m | 1:23PM3.32m | 1:44AM3.57m | 2:14PM3.10m | 2:38AM3.23m | 3:13PM2.92m | 3:43AM2.96m | 4:24PM2.82m | ||||||||
Low Tide | 5:51AM-0.10m | 5:59PM0.24m | 6:35AM0.04m | 6:41PM0.39m | 7:19AM0.27m | 7:23PM0.61m | 8:02AM0.55m | 8:07PM0.85m | 8:45AM0.85m | 8:54PM1.09m | 9:33AM1.12m | 9:52PM1.30m | 10:33AM1.32m | 11:08PM1.41m | |||||||
5:13 | — | — | 5:15 | — | — | 5:16 | — | — | 5:16 | — | — | 5:18 | — | — | 5:20 | — | — | 5:22 | — | — | |
— | — | 9:34 | — | — | 9:32 | — | — | 9:30 | — | — | 9:30 | — | — | 9:29 | — | — | 9:28 | — | — | 9:25 | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 20 | 19 | 14 | 17 | 18 | 15 | 18 | 17 | 14 | 15 | 16 | 14 | 17 | 16 | 14 | 16 | 15 | 15 | 17 | 18 |
Feels °C | 15 | 15 | 14 | 8 | 13 | 14 | 14 | 15 | 13 | 11 | 10 | 12 | 11 | 13 | 13 | 10 | 11 | 10 | 12 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SW 6 | S 5 | N 5 | NNW 4 | — | NW 4 | — | W 8 | — | — | — | W 16 | — | — | — | — | NNW 4 | — |
2 | 1 | 1 | 1 | 1 | 20 | 2 | — | 3 | — | 1 | — | — | — | 5 | — | — | — | — | 4 | — | |
Swell 2 Height (m) Direction Period (s) | W 12 | SW 12 | SW 13 | — | — | SW 11 | W 11 | — | — | — | — | — | — | — | — | — | — | — | — | WNW 3 | — |
3 | 6 | 6 | — | — | 5 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | NNW 3 | NNW 4 | N 3 | NNW 4 | NNW 4 | — | — | NNW 3 | N 3 | NNW 4 | NNW 4 | N 4 | NNW 5 | NNW 4 | N 3 | NNW 4 | NNW 5 | N 3 | NNW 4 | NW 4 | W 3 |
1 | 17 | 6 | 16 | 47 | — | — | 7 | 6 | 7 | 17 | 11 | 13 | 13 | 5 | 37 | 44 | 8 | 8 | 5 | 1 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 303 | 639 | 319 | 321 | 321 | 226 | 313 | 332 | 305 | 314 | 319 | 305 | 256 | 954 | 80 | 920 | 954 | 80 | 305 | 319 | 322 |
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.










