Fishermans (Rhiw) Surf Break

Lat Long: 52.82° N 4.61° W

Fishermans (Rhiw) Surf Forecast and Surf Report

Issued: 12 pm 01 Sep 2026 (local time)

Forecast update in  hr  min

Today's Fishermans (Rhiw) sea temperature is
17.5°C
1.7° 

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 1 Sep 2026:

  • Most powerful swell: Tuesday 8 Sep, 4AM (local time) - 10ft (3.0m), 8s period, SW swell with 1,074 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 3.0m 8s and forecast to arrive on Tuesday (Sep 08) at 4AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Saturday (Sep 05) at 1AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 4AM (Tue 8th Sep)10ft (3.0m) 8s

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


The Lowdown

Right then, let’s have a look at what’s coming our way. I’ll be honest with you, it’s a tough stretch ahead. The immediate outlook for Fishermans (Rhiw) is pretty grim. We’re looking at a solid block of poor surf conditions right through the first week with a cross-onshore wind dominating. The water temp is sitting at 64°, which is a touch warmer than usual for this time of year, nothing too wild.

The first real flicker of hope comes on the morning of Thursday the 10th. We finally get a clean offshore wind from the NNE at 16 mph, with a tiny 2ft swell from the WSW. It’s not going to be big, but it’ll be the cleanest we’ve seen in a while. The combined energy is a weak 19, so it’s more about the session than the size.

The true standout arrives on the morning of Sunday the 13th. The swell bumps up to 5ft from the SSW with a combined energy of 100, and the wind is a light cross-offshore from the NW. It’s clean, it’s surfable, and it’s the best window in the whole 16-day period. The afternoon of the 14th is also a good call, with a 4ft swell from the west and a light offshore breeze from the NE. The energy is a bit lower at 78, but it’ll be clean and fun.

After that, we see a gap surf-wise. The 15th and 16th are back to choppy, onshore conditions with poor surf quality, so that’s it for the forecast.

Rusty

Short Range Forecast

Moderate rain (total 19mm), heaviest on Wed morning. Very mild (max 19°C on Wed night, min 15°C on Tue night). Winds increasing (moderate winds from the SW on Wed night, near gales from the SW by Thu night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 18°C on Sun night, min 13°C on Sat night). Mainly fresh winds.

Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
AM
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
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
1.1
SW
5
1.1
SW
5
1.5
SSW
5
1.6
SW
6
1.9
SW
7
1
SW
7
1.5
SW
6
1.8
SW
7
1.2
WSW
7
1.1
WSW
7
0.5
SW
7
0.5
NW
5
0.4
SW
6
0.3
SW
6
0.8
SSW
4
1.2
SSW
6
1.2
SW
6
0.6
SW
6
0.7
SW
7
2.1
SW
6
Wave Graph
Metric surfscale
Energy kJ
29
49
60
124
206
323
99
136
271
131
115
22
13
9
7
22
81
99
33
57
352
Wind (km/h)
30
SW
30
SW
25
SW
40
S
30
SSW
35
SW
30
SW
35
SSW
50
SW
25
W
25
WSW
30
NW
15
W
15
SW
15
S
30
S
30
S
35
SSW
30
SW
20
SW
20
SW
Wind State
cross-on
on
cross-on
on
on
cross-on
cross-on
on
on
cross-on
cross-on
cross-off
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
on
High Tide
11:28AM3.91m
11:47PM4.09m
12:08PM3.76m
00:30AM3.83m
12:53PM3.53m
1:20AM3.49m
1:48PM3.26m
2:25AM3.15m
3:02PM3.03m
3:52AM2.93m
4:36PM3.02m
5:28AM2.98m
6:01PM3.28m
Low Tide
6:13PM0.48m
6:41AM0.53m
6:51PM0.67m
7:22AM0.79m
7:39PM0.91m
8:16AM1.08m
8:50PM1.14m
9:38AM1.30m
10:31PM1.24m
11:19AM1.31m
00:09AM1.06m
12:42PM1.09m
1:21AM0.71m
part cloud
part cloud
rain showers
heavy rain
clear
part cloud
part cloud
part cloud
light rain
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:28
6:31
6:31
6:33
6:35
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:07
8:05
8:02
8:00
7:59
7:55
7:53
 mm
5
11
3
Temp °C
16
16
17
17
17
19
17
17
18
15
17
16
14
14
14
16
17
18
17
17
16
Feels °C
12
11
13
12
13
15
14
13
11
10
12
10
12
11
11
11
12
14
13
15
14
  • 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
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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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