Fishermans (Rhiw) Surf Break

Lat Long: 52.82° N 4.61° W

Fishermans (Rhiw) Surf Forecast and Surf Report

Issued: 6 pm 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Fishermans (Rhiw) sea temperature is
18.3° C
2.4° 

Fishermans (Rhiw) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Fishermans (Rhiw) surf forecast from 20 Aug 2026:

  • Most powerful swell: Wednesday 26 Aug, 10PM (local time) - 2.5ft (0.8m), 6s period, SW swell with 42 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 0.8m 6s and forecast to arrive on Wednesday (Aug 26) 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 0.9m 5s period and expected on Friday (Aug 21) at 10AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful10PM (Wed 26th Aug)2.5ft (0.8m) 6s

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 shaping up for Fishermans (Rhiw). I’ll be straight with you – this outlook is a tough one. The whole 16-day window is a long, flat spell with only a couple of very brief moments that might get your heart beating, but don’t expect much.

The water is sitting at a balmy 65° , which is much warmer than normal for this time of year – a solid 4° above the average. That’s a real treat for the skin, but it doesn’t make up for the lack of swell.

We start with a whole lot of nothing. From Thursday, 20th August, right through to the morning of Friday, 28th August, there is basically no surf worth mentioning. The energy is tiny, with combined swell energy readings staying in the weak double digits (27, 14, 15, 10, 16, 8, 9, 17, 10, 31, 10, 45, 32, 28, 20, 25). The swell heights are pathetic, mostly 0.3 ft to 2 ft with a very short period, and the wind is often cross-off or even onshore. It’s a total write-off for nearly nine days. You’d be better off finding a new hobby.

Then, on Friday afternoon the 28th of August, things finally get a pulse. We see a 5 ft swell from the SW, but it has a short period of 5 seconds and the wind is a messy cross-onshore. The combined energy hits a moderate 113. It’s poor surf conditions, and with that short period and chop, it’s more of a messy bump than a wave. This is not a standout.

The real action, such as it is, happens on Saturday, 29th August. The morning brings a 7 ft swell from the WSW, but once again the period is a weak 7 seconds. The wind is a fresh cross-shore, creating lumpy, choppy conditions. The combined energy here is a strong 394. This is the biggest swell of the window, but it’s a messy, lumpy beast. For a reef break, this is not ideal. The size (7 ft) puts it solidly into expert territory, and the onshore-lumpy cross-shore wind will make it a battle. This is the only time the surf might be big enough to be interesting, but the quality is poor. The afternoon drops to 6 ft with a cross-onshore wind and a combined energy of 213 – still poor.

After that, the energy fades back into the weak double digits for the rest of the window. There’s a brief moment on Sunday morning, 30th August, with a 3 ft glassy swell, but the period is a short 6 seconds and energy is only 68. The forecast says "surfable waves but very ordinary conditions" – and that’s exactly what it is: ordinary. The rest of the week is a washout with tiny, weak swells and often strong winds or onshores.

So, where’s the best? Honestly, there’s no standout. The biggest surf is on Saturday, 29th August, but it’s a lumpy, expert-only mess. If you’re desperate, the Sunday morning 30th August offers the cleanest conditions with glassy winds, but the swell is tiny. For a break like Fishermans (Rhiw), which is a fairly consistent reef, this is a truly disappointing run. The long swell gap at the start is a killer. With the cross-shore winds and the size of that Saturday swell, this setup actually looks more interesting for kite surfing than paddle surfing.

Keep your eyes on the charts, but for now, I’d say save your energy. This is a flat spell you won’t forget.

Rusty.

Short Range Forecast

Light rain (total 3mm), mostly falling on Fri morning. Very mild (max 16°C on Fri afternoon, min 13°C on Thu night). Winds decreasing (fresh winds from the N on Thu afternoon, light winds from the NNE by Sun morning).

Days 5-7 Weather Summary

Moderate rain (total 14mm), heaviest on Tue night. Warm (max 22°C on Mon afternoon, min 16°C on Sun afternoon). Winds increasing (calm on Mon afternoon, fresh winds from the E by Mon night).

Thu
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
SW
6
0.4
SW
6
0.1
W
14
0.1
W
16
0.1
W
16
0.1
SW
15
0.1
SW
15
0.1
SW
15
0.1
SW
14
0.1
SW
14
0.2
WSW
11
0.2
WSW
9
0.1
SW
13
0.7
ESE
4
0.8
ESE
4
0.1
SW
13
0.1
SW
13
0.9
SSW
5
0.7
SW
5
0.6
SW
6
Wave Graph
Metric surfscale
Energy kJ
19
9
7
7
7
9
9
8
8
7
13
8
7
11
21
7
7
37
24
33
Wind (km/h)
35
N
30
N
25
NNW
10
NNE
20
N
20
N
25
NNW
15
NNE
10
NNE
15
NNW
15
ENE
15
ESE
5
NNE
30
ESE
30
E
25
E
30
SE
20
SSW
30
S
10
ESE
Wind State
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
off
off
cross-off
cross-off
cross
glassy
cross
cross-off
cross-off
cross
on
on
cross
High Tide
2:45AM2.80m
3:22PM2.70m
4:14AM2.59m
5:01PM2.65m
5:49AM2.62m
6:22PM2.82m
6:54AM2.80m
7:16PM3.08m
7:39AM3.02m
7:55PM3.37m
8:14AM3.26m
8:28PM3.66m
Low Tide
8:50PM1.34m
9:23AM1.49m
10:11PM1.52m
10:58AM1.60m
00:02AM1.51m
12:37PM1.49m
1:19AM1.30m
1:36PM1.24m
2:08AM1.03m
2:17PM0.97m
2:46AM0.75m
2:53PM0.72m
3:20AM0.50m
clear
part cloud
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
heavy rain
rain showers
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:11
6:13
6:15
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:35
8:32
8:30
8:28
8:25
8:23
8:22
 mm
2
1
12
2
1
2
Temp °C
15
15
15
16
15
14
14
14
15
16
17
20
22
21
19
22
18
17
17
17
Feels °C
8
10
12
13
11
10
9
10
13
13
14
18
17
14
16
18
16
15
13
16
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 
submit an eyeball surf report

Quick surf report for Fishermans (Rhiw):

join our community of surf reporters

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Fishermans (Rhiw) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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.

Nearest locationNearest