Fishermans (Rhiw) Surf Break

Lat Long: 52.82° N 4.61° W

Fishermans (Rhiw) Surf Forecast and Surf Report

Issued: 6 pm 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Fishermans (Rhiw) sea temperature is
18.4° C
2.5° 

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 19 Aug 2026:

  • Most powerful swell: Thursday 20 Aug, 1AM (local time) - 4ft (1.2m), 6s period, WSW swell with 110 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 1.2m 6s and forecast to arrive on Thursday (Aug 20) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Thursday (Aug 20) at 1PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 1AM (Thu 20th Aug)4ft (1.2m) 6s

Table - best surf conditions forecast for Fishermans (Rhiw) over the next 16 days.


The Lowdown

Alright, grab a cuppa, because I’ve been over the charts for the next couple of weeks, and I gotta be straight with you – it’s a bit of a tough stretch for us here at Fishermans (Rhiw).

Right now, the water is sitting at 65°F which is a solid 5°F warmer than usual for this time of year. That’s properly weird, feels more like a holiday than a surf trip.

The outlook kicks off on Wednesday the 19th, but honestly, don’t get your hopes up. We’ve got a weak 3 ft swell from the SW, but it’s only packing 4 seconds of period and the wind is slamming straight onshore at 19 mph. The combined energy is a measly 26, and it’s just rain showers and poor surf. That’s the story for the next week or so. We’ve got a massive gap here with nothing really worth paddling out for. From Thursday the 20th all the way through to Wednesday the 26th, the swell is tiny – mostly 0.3 ft to 2 ft – with a mix of cross-off and cross-on winds. The few times the wind is offshore, like Sunday morning the 23rd with a gentle NNE breeze, the swell is just 0.3 ft with a 14-second period. That’s a long period, but with no energy (combined energy of just 8), it’s barely a ripple. This is a real blank run for the area.

Now, hold on. There is a glimmer of something on the horizon. On Thursday the 27th, things get interesting. The morning shows a 7 ft swell from the WSW, but the period is a short 6 seconds, making it a bit of a messy, lumpy beast. The wind is light from the SE, so it’s cross-shore. The combined energy jumps to 366, which is strong, but the surf quality is only marginal. Then, Thursday afternoon is the standout of the entire forecast. The swell drops to 6 ft, still from the SW, but the wind goes absolutely glassy – zero mph. That’s a major positive. The waves will be clean, even if the period is still short at 6 seconds. The combined energy is 237, so there’s a solid push. For a spot that’s been dead as a doornail, that afternoon session on the 27th is your best bet. Even the crowds are only “sometimes” an issue here, so you might get a few waves to yourself.

After that, it’s back to the doldrums. From Friday the 28th all the way to the end of the forecast on the 3rd of September, we’re back to tiny, weak swells with onshore or cross-shore winds. There’s a brief flash of 4 ft from the W on the morning of the 1st of September, but the wind is cross-shore and the energy is a weak 64. Not worth the drive.

So, to wrap it up: the next 16 days are mostly a write-off for surf. Forget the first week. Your only real window is the afternoon of Thursday the 27th of August. Get out there while the glass is on and the energy is up. It's not perfect, but it's the best we’ve got.

Rusty.

Short Range Forecast

Moderate rain (total 11mm), heaviest on Wed night. Very mild (max 17°C on Wed afternoon, min 13°C on Thu night). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 23°C on Mon afternoon, min 13°C on Sat night). Mainly fresh winds.

Wed
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
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)
0.9
SW
4
1.2
WSW
6
0.7
SW
6
0.5
SW
6
0.4
SW
6
0.1
SW
13
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
0.1
SW
14
0.1
SW
14
0.1
SW
14
0.1
SW
13
0.8
ESE
4
0.1
SW
13
0.1
SW
13
Wave Graph
Metric surfscale
Energy kJ
24
110
43
20
10
7
7
7
9
9
8
8
7
8
8
7
7
17
7
7
Wind (km/h)
30
SW
25
WNW
25
NW
35
N
30
N
20
NNW
15
N
20
N
15
NNW
20
NNW
15
NNE
15
NNE
20
N
15
ENE
15
ESE
10
NNE
35
ESE
35
E
25
E
20
SE
Wind State
on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
off
cross-off
cross-off
cross
off
cross
cross-off
cross-off
cross-on
High Tide
1:46AM3.14m
2:11PM2.93m
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
Low Tide
7:59PM1.07m
8:27AM1.25m
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
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:09
6:09
6:11
6:13
6:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:37
8:35
8:32
8:30
8:28
8:25
8:23
 mm
2
5
3
1
15
Temp °C
17
17
16
15
15
14
16
15
14
14
15
15
17
17
20
23
20
21
22
19
Feels °C
13
15
11
8
10
10
13
11
10
10
12
13
12
13
17
18
13
17
17
15
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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