Surf Forecasts:
Fishermans (Rhiw) surf forecast from 1 Aug 2026:
- Most powerful swell: Thursday 6 Aug, 1AM (local time) - 4.5ft (1.3m), 7s period, WSW swell with 178 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 1.3m 7s and forecast to arrive on Thursday (Aug 06) at 1AM. 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 5s period and expected on Thursday (Aug 06) at 7AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1AM (Thu 6th Aug) | 4.5ft (1.3m) 7s |
Table - best surf conditions forecast for Fishermans (Rhiw) over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s coming up for Fishermans (Rhiw).
To be straight with you, the next sixteen days are a real struggle. We’ve got a long, quiet stretch ahead. The swell is tiny and the conditions are messy for the most part. There’s no standout session, and honestly, no surf worth paddling out for. The first few days are flat, and we’ve got a gap of over a week with nothing but knee-high slop and poor surf. It’s one of those blank runs that’s pretty normal for the area when the swell windows don’t align. Don’t lose hope, though – forecasts can change.
The only day that even gets a pulse is Wednesday the 5th of August. On the morning, we see a bump in swell to 4 ft from the SW with a period of 7 seconds. The combined energy hits 102 (moderate wave energy), but the wind is a cross-onshore at 16 mph, which puts a chop on it. That afternoon, it drops to 3 ft with onshore wind – still poor. It’s a beach-and-reef setup, so with that wind and weak, short-period swell, it’s more interesting for kite surfing than paddle surfing.
The rest of the window is a washout. A few mornings see glassy conditions, like Monday the 3rd of August afternoon with glassy wind and 1 ft, but it’s simply too small. Even the clean offshore winds on Sunday the 2nd of August morning and afternoon can’t do anything with the 0.3 ft swell. The water temp is around 62° with a 1° anomaly – about average for the time of year.
Look, I’m not one to sugarcoat it: there’s nothing good here. The best advice is to wait for a proper SW groundswell and a northerly offshore wind. Until then, keep the board in the shed.
Rusty.
Short Range ForecastSome drizzle, heaviest during Mon night. Warm (max 21°C on Mon afternoon, min 14°C on Sat morning). Wind will be generally light. | Days 4-6 Weather SummarySome drizzle, heaviest during Tue night. Very mild (max 19°C on Tue morning, min 13°C on Wed night). Winds decreasing (fresh winds from the NW on Wed night, calm by Thu night). | ||||||||||||||||||||
Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | |||||||||||||||
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 5 | SW 4 | SW 4 | WSW 4 | SW 8 | WSW 10 | SW 9 | WSW 8 | SW 8 | SW 8 | SSW 5 | SW 5 | SW 7 | SW 7 | WSW 7 | SW 7 | WSW 6 | SW 5 | SW 5 | SW 5 | SW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 6 | 3 | 4 | 3 | 3 | 9 | 20 | 28 | 33 | 16 | 19 | 45 | 102 | 91 | 178 | 63 | 25 | 26 | 9 | 4 | 5 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | on | cross | cross | off | off | cross | glassy | glassy | cross-on | on | on | cross-on | on | cross-off | cross-off | cross-on | on | glassy | cross-on | cross-on |
High Tide | 10:45AM3.65m | 11:01PM4.09m | 11:19AM3.67m | 11:35PM4.06m | 11:55AM3.63m | 00:13AM3.95m | 12:35PM3.54m | 00:55AM3.78m | 1:21PM3.39m | 1:44AM3.54m | 2:16PM3.21m | 2:46AM3.30m | 3:26PM3.07m | ||||||||
Low Tide | 5:33PM0.45m | 6:04AM0.36m | 6:06PM0.52m | 6:38AM0.44m | 6:40PM0.64m | 7:14AM0.58m | 7:17PM0.80m | 7:54AM0.76m | 8:01PM0.97m | 8:43AM0.96m | 9:00PM1.14m | 9:50AM1.13m | 10:26PM1.23m | ||||||||
 |  |  |  | | | | |  | | |  | | |  | | | | | | | |
 | 5:35 | — | — | 5:37 | — | — | 5:39 | — | — | 5:39 | — | — | 5:41 | — | — | 5:43 | — | — | 5:45 | — | — |
 | — | — | 9:12 | — | — | 9:09 | — | — | 9:08 | — | — | 9:07 | — | — | 9:05 | — | — | 9:02 | — | — | 9:00 |
mm | — | — | — | — | — | — | — | — | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 15 | 16 | 18 | 17 | 20 | 21 | 17 | 19 | 19 | 18 | 16 | 19 | 16 | 14 | 15 | 16 | 15 | 16 | 16 |
Feels °C | 11 | 13 | 13 | 15 | 15 | 13 | 19 | 20 | 14 | 18 | 17 | 15 | 12 | 14 | 11 | 10 | 12 | 14 | 15 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 5 | SW 4 | SW 4 | WSW 4 | SW 8 | WSW 9 | SW 9 | WSW 8 | SW 8 | SW 8 | SW 7 | WSW 7 | — | — | W 13 | SW 7 | NW 5 | NNW 5 | SW 5 | NW 4 | SW 5 |
| kJ | 6 | 3 | 4 | 1 | 3 | 9 | 20 | 28 | 33 | 16 | 19 | 5 | — | — | 3 | 63 | 20 | 2 | 9 | 2 | 1 |
Swell 2 Height (m) Direction Period (s) | W 10 | NW 4 | SW 9 | SW 8 | SW 4 | WSW 10 | NNW 4 | — | — | — | — | WSW 6 | — | — | — | W 13 | WSW 6 | SW 12 | NNW 4 | SW 5 | — |
| kJ | 2 | 2 | 3 | 3 | 1 | 9 | 1 | — | — | — | — | 4 | — | — | — | 3 | 25 | 6 | 1 | 4 | — |
Swell 3 Height (m) Direction Period (s) | — | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 12 | — | SW 12 | W 12 | SW 12 |
| kJ | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | 6 | 3 | 5 |
Wind waves Height (m) Direction Period (s) | NW 4 | — | — | — | — | NNE 3 | ESE 3 | — | — | SSE 3 | SSW 5 | SW 5 | SW 7 | SW 7 | WSW 7 | NW 5 | — | SW 5 | NW 4 | NW 4 | — |
| kJ | 5 | — | — | — | — | 4 | 5 | — | — | 1 | 17 | 45 | 102 | 91 | 178 | 50 | — | 26 | 3 | 3 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 307 | 319 | 216 | 292 | 295 | 132 | 134 | 142 | 129 | 298 | 321 | 195 | 7 | 320 | 129 | 137 | 7 | 145 | 309 | 319 | 295 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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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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