Surf Forecasts:
Fishermans (Rhiw) surf forecast from 29 Jul 2026:
- Most powerful swell: Wednesday 29 Jul, 10PM (local time) - 3ft (0.9m), 5s period, SW swell with 31 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 0.9m 5s and forecast to arrive on Wednesday (Jul 29) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Sunday (Aug 02) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10PM (Wed 29th Jul) | 3ft (0.9m) 5s |
Table - best surf conditions forecast for Fishermans (Rhiw) over the next 16 days.
The Lowdown
Alright, let's talk it through in feet and Fahrenheit now. Rusty here.
Honestly, mate, it’s a pretty dead spell. The whole 16-day window is basically a flat spell. From now through to the 13th of August, we’ve got bog-all. It's *poor surf conditions* all the way.
Let’s start with Fishermans (Rhiw). Over the next few days, late July and into August, it's a no-go. Swell is tiny, about 0.3ft to 2ft, with short periods of 4 to 8 seconds. Combined energy is weak, all under 100 (like 14, 13, 8). Nothing to work with. The wind is mostly onshore or cross-shore, so even those little bumps will be messy. There are a couple of fleeting windows of glassy or clean conditions on Friday the 31st of July morning and Saturday the 1st of August afternoon, but with swell around 0.6ft to 1ft, it's barely a ripple. Not worth the effort.
From the 3rd of August, the wind turns more favourable, with some light to moderate offshore breezes from the NE and NNW, leaving the surface clean. That's the only bright spot. But the swell stays microscopic, never more than 1.0ft, with periods of 7 to 9 seconds. Combined energy is still low (2 to 12). No size.
From the 5th of August onward, the swell drops to 0.3ft, with longer periods of 11 to 13 seconds. The wind stays moderate to fresh from the N or NNW, keeping the surface clean, but you’re looking at flat water with no waves to surf.
All in all, it’s a poor run. The water temperature is about normal for the time of year. If you really need to get on the water, those windy, clean days might be fun for a kite, but for a surf? Forget it. Leave the board in the shed.
Rusty.
Short Range ForecastMostly dry. Very mild (max 18°C on Wed morning, min 14°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Sun night. Very mild (max 18°C on Sun afternoon, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | |||||||||||||||
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) | SW 4 | SW 4 | SW 5 | SW 5 | WSW 5 | WSW 4 | NW 4 | WSW 4 | WSW 4 | SW 5 | NW 4 | WSW 4 | WSW 4 | SW 8 | WSW 9 | SW 9 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 14 | 14 | 22 | 13 | 9 | 7 | 5 | 2 | 10 | 5 | 2 | 3 | 3 | 3 | 8 | 12 | 11 | 10 | 9 | 8 | 2 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-off | cross | cross-on | glassy | glassy | on | cross-off | cross-off | glassy | glassy | cross-off | cross-off | off | off | off | cross-off | off | off | off |
High Tide | 9:07AM3.41m | 9:24PM3.79m | 9:40AM3.52m | 9:56PM3.95m | 10:12AM3.60m | 10:28PM4.05m | 10:45AM3.65m | 11:01PM4.09m | 11:19AM3.67m | 11:35PM4.06m | 11:55AM3.63m | 00:13AM3.95m | 12:35PM3.54m | 00:55AM3.78m | |||||||
Low Tide | 3:53PM0.60m | 4:21AM0.46m | 4:26PM0.49m | 4:56AM0.36m | 5:00PM0.43m | 5:30AM0.33m | 5:33PM0.45m | 6:04AM0.36m | 6:06PM0.52m | 6:38AM0.44m | 6:40PM0.64m | 7:14AM0.58m | 7:17PM0.80m | ||||||||
 | |  |  | |  | | | | | | | |  |  |  | | | | | | |
 | 5:31 | — | — | 5:31 | — | — | 5:33 | — | — | 5:35 | — | — | 5:37 | — | — | 5:39 | — | — | 5:39 | — | — |
 | — | — | 9:16 | — | — | 9:15 | — | — | 9:14 | — | — | 9:12 | — | — | 9:09 | — | — | 9:08 | — | — | 9:07 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 3 | — | — | — |
Temp °C | 18 | 18 | 17 | 14 | 16 | 17 | 14 | 16 | 16 | 13 | 15 | 15 | 16 | 18 | 18 | 15 | 16 | 15 | 15 | 15 | 14 |
Feels °C | 15 | 14 | 16 | 11 | 14 | 16 | 13 | 12 | 13 | 10 | 13 | 13 | 14 | 15 | 14 | 13 | 13 | 13 | 12 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | — | — | SW 5 | SW 5 | NW 4 | WSW 4 | NW 4 | WNW 3 | WSW 4 | SW 5 | NW 4 | WSW 4 | WSW 4 | SW 8 | WSW 9 | SW 9 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 |
| kJ | — | — | 22 | 13 | 2 | 7 | 5 | 1 | 10 | 5 | 2 | 3 | 2 | 3 | 8 | 12 | 11 | 10 | 9 | 8 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 5 | WSW 4 | W 11 | W 10 | WSW 5 | SW 9 | SW 8 | SW 4 | SW 9 | NNW 4 | — | SW 8 | — | — | — |
| kJ | — | — | — | — | — | — | 3 | 2 | 3 | 2 | 2 | 3 | 3 | 1 | 3 | 4 | — | 3 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | W 9 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 4 | — | NW 3 | WSW 5 | — | NNW 4 | — | W 4 | NW 4 | — | — | — | NNW 4 | N 4 | — | NNW 4 | N 4 | N 4 | NNW 4 | N 3 |
| kJ | 14 | 14 | — | 3 | 9 | — | 3 | — | 9 | 4 | — | — | — | 14 | 7 | — | 3 | 6 | 8 | 7 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 292 | 292 | 292 | 498 | 535 | 295 | 308 | 536 | 308 | 308 | 319 | 297 | 297 | 308 | 114 | 114 | 114 | 312 | 442 | 631 | 309 |
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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