Surf Forecasts:
Fishermans (Rhiw) surf forecast from 20 Jul 2026:
- Most powerful swell: Saturday 25 Jul, 10PM (local time) - 3ft (0.9m), 6s period, WSW swell with 58 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 1.0m 5s and forecast to arrive on Saturday (Jul 25) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Sunday (Jul 26) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10PM (Sat 25th Jul) | 3ft (0.9m) 6s |
Table - best surf conditions forecast for Fishermans (Rhiw) over the next 16 days.
The Lowdown
Right folks, let’s have a look at what’s on the cards for the next couple of weeks. I’m not gonna sugarcoat it: the outlook for Fishermans (Rhiw) is a proper flat spell. We’re staring down the barrel of a long, quiet patch.
From now, right through the start of the period, it’s basically a no-go. There’s a gap of several days with no real surf to speak of. The sea is just flat or showing tiny, weak, short-period windswell that’s not worth getting wet for. The wind is mostly cross-off or cross, which would be fine if there was any wave, but there isn’t.
We finally see a tiny pulse of swell on Friday the 24th of July, but it’s a measly 0.3 ft from the west with a period of 13 seconds. The combined energy is a paltry 3 (weak energy), and the wind is onshore in the afternoon, spoiling it completely. Don’t even bother.
The first real sign of life comes on Saturday the 25th of July, but it’s poor. We get a bit of a bump to 3 ft from the west, but the period is a pathetic 4 seconds. The combined energy is only 33 (weak). The wind is a cross-shore, making it messy. The afternoon sees a 4 ft swell from the west-southwest, but again, it’s a 5-second period and the wind is a choppy cross-onshore. It’s all poor surf conditions.
Sunday the 26th of July is the closest we get to a standout, and that’s only because it’s the biggest day. The morning shows 5 ft from the west, but with a 5-second period – that’s short-period windswell, meaning it’ll be fat and crumbly. The combined energy is 124 (moderate). The wind is a clean cross-off from the north-northwest, so it will look clean, but the waves will lack any punch. The afternoon drops to 4 ft from the west-southwest. It’s still not good.
After that, it’s back to tiny, weak, and often onshore. Monday the 27th of July has a 2 ft swell from the southwest, but the wind is a fresh 19 mph cross-off, making it a struggle. The rest of the week and into early August is a repeat of flatness, with the occasional 2 ft or 3 ft bump that’s just too small and weak to do anything with. The water temp is about average for the time of year.
For a spot like Fishermans (Rhiw), a blank run like this isn’t unusual. It’s a wait-and-see game. There’s nothing here that’s going to get me out of bed. Keep the board in the van and check back later.
Rusty
Short Range ForecastMostly dry. Very mild (max 19°C on Wed afternoon, min 11°C on Tue night). Mainly fresh winds. | Days 4-6 Weather SummarySome drizzle, heaviest during Sat morning. Very mild (max 19°C on Thu afternoon, min 13°C on Sat night). Winds increasing (light winds from the W on Thu night, fresh winds from the WSW by Sat morning). | ||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||
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 9 | NNW 4 | N 4 | NW 5 | NNW 4 | W 16 | NNW 5 | NNW 5 | N 4 | NNW 5 | NW 5 | — | W 13 | W 13 | WSW 3 | W 4 | WSW 5 | SW 6 | SW 6 | WSW 6 | SW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 0 | 0 | 1 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1 | 7 | 44 | 46 | 9 | 4 | 1 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | on | cross-off | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off |
High Tide | 1:23PM3.32m | 1:44AM3.57m | 2:14PM3.10m | 2:38AM3.23m | 3:13PM2.92m | 3:43AM2.96m | 4:24PM2.82m | 4:58AM2.82m | 5:36PM2.84m | 6:08AM2.84m | 6:38PM2.97m | 7:05AM2.95m | 7:29PM3.16m | ||||||||
Low Tide | 8:07PM0.85m | 8:45AM0.85m | 8:54PM1.09m | 9:33AM1.12m | 9:52PM1.30m | 10:33AM1.32m | 11:08PM1.41m | 11:50AM1.39m | 00:34AM1.37m | 1:04PM1.32m | 1:40AM1.21m | 1:59PM1.16m | 2:29AM1.01m | ||||||||
 | |  | | |  |  | | | | | | | |  |  |  | | | | | |
 | 5:16 | — | — | 5:18 | — | — | 5:20 | — | — | 5:22 | — | — | 5:22 | — | — | 5:24 | — | — | 5:26 | — | — |
 | — | — | 9:30 | — | — | 9:29 | — | — | 9:28 | — | — | 9:25 | — | — | 9:24 | — | — | 9:22 | — | — | 9:22 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — |
Temp °C | 14 | 16 | 16 | 14 | 16 | 14 | 13 | 19 | 17 | 15 | 19 | 19 | 15 | 17 | 17 | 15 | 16 | 16 | 14 | 15 | 14 |
Feels °C | 11 | 11 | 12 | 11 | 12 | 10 | 8 | 14 | 13 | 12 | 17 | 17 | 13 | 15 | 16 | 10 | 14 | 14 | 9 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | W 9 | — | — | NW 5 | — | W 16 | — | — | NW 4 | — | — | — | W 13 | NW 3 | — | W 12 | — | SW 6 | SW 6 | WSW 6 | NW 5 |
| kJ | 2 | — | — | 1 | — | 5 | — | — | 4 | — | — | — | 3 | 2 | — | 3 | — | 46 | 9 | 4 | 6 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 13 | — | — | — | — | — | — | SW 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 4 | NNW 4 | N 4 | NNW 5 | NNW 4 | N 4 | NNW 5 | NNW 5 | N 4 | NNW 5 | NW 5 | — | WNW 3 | — | WSW 3 | W 4 | WSW 5 | NNW 4 | NNW 6 | NNW 5 | — |
| kJ | 7 | 16 | 16 | 15 | 24 | 26 | 59 | 46 | 13 | 9 | 5 | — | 1 | — | 1 | 7 | 44 | 5 | 111 | 69 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 313 | 1044 | 320 | 216 | 308 | 80 | 80 | 332 | 309 | 256 | 1033 | 297 | 297 | 1856 | 297 | 649 | 1559 | 129 | 96 | 332 | 146 |
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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