Port Rhu Surf Break

Lat Long: 47.50° N 3.15° W

Port Rhu Surf Forecast and Surf Report

Issued: 7 am 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Port Rhu sea temperature is
19.5°C
2.0° 

Port Rhu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Port Rhu surf forecast from 17 Sep 2026:

  • Best quality surf: Friday 18 Sep, 11AM (local time) - 4.5ft (1.4m), 16s period, W swell with glassy winds.
  • Most powerful swell: Friday 18 Sep, 8AM (local time) - 4.5ft (1.4m), 16s period, W swell with 996 kJ wave energy.
  • Next surfable swell (1★+): Friday 18 Sep, 11AM (local time) - 4.5ft (1.4m), 16s period with W swell.

Best Forecast Surf Conditions for Port Rhu this week:

The surf forecast for Port Rhu over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 18) at 11AM. The primary swell is predicted to be 1.4m and 16s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Port Rhu in the next 16 days are 1.4m 16s and forecast to arrive on Friday (Sep 18) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Tuesday (Sep 22) at 5AM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Fri 18th Sep)4.5ft (1.4m) 16s
Best Surf11AM (Fri 18th Sep)4.5ft (1.4m) 16s
Most Powerful 8AM (Fri 18th Sep)4.5ft (1.4m) 16s

Table - best surf conditions forecast for Port Rhu over the next 16 days.


Short Range Forecast

Some drizzle, heaviest during Thu afternoon. Very mild (max 19°C on Thu night, min 14°C on Thu night). Winds decreasing (fresh winds from the W on Thu afternoon, calm by Fri morning).

Days 4-6 Weather Summary

Mostly dry. Warm (max 26°C on Tue night, min 16°C on Sun morning). Mainly fresh winds.

Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
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
3
0
0
0
0
0
1
0
1
2
0
0
1
0
0
3
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
WNW
10
1.3
W
10
1.2
W
10
1.4
W
16
1.3
W
14
1.1
W
13
0.9
W
12
1
W
11
1
W
11
1
W
11
1
W
11
1
W
11
0.9
W
12
0.8
W
12
0.7
W
12
0.5
W
11
0.6
W
11
0.7
W
11
1
W
15
1.2
W
14
1.2
W
13
Wave Graph
Metric surfscale
Energy kJ
363
325
262
996
659
401
233
253
248
235
235
248
239
196
139
61
82
114
459
602
492
Wind (km/h)
25
WSW
30
W
15
NNW
5
NW
25
W
15
W
15
WSW
20
WSW
15
WNW
10
NNW
20
W
20
NE
15
ENE
15
W
25
NE
25
ENE
5
W
25
NE
25
ENE
15
WNW
20
NNE
Wind State
on
on
cross
glassy
on
on
cross-on
on
cross-on
cross
on
cross-off
cross-off
on
cross-off
off
on
cross-off
off
on
cross-off
High Tide
8:49AM3.65m
9:09PM3.37m
9:27AM3.34m
9:54PM3.04m
10:24AM3.05m
11:17PM2.78m
12:34PM2.90m
2:02AM2.83m
2:30PM3.09m
3:06AM3.09m
3:20PM3.40m
3:45AM3.39m
3:56PM3.72m
4:16AM3.70m
Low Tide
3:28PM1.10m
3:47AM1.34m
4:22PM1.44m
4:47AM1.64m
5:36PM1.68m
6:11AM1.78m
7:08PM1.70m
7:39AM1.69m
8:25PM1.49m
8:45AM1.42m
9:18PM1.17m
9:32AM1.09m
9:59PM0.82m
part cloud
light rain
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:50
7:52
7:54
7:54
7:56
7:58
7:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:21
8:19
8:16
8:15
8:13
8:10
8:08
 mm
1
Temp °C
17
17
19
15
17
16
17
17
18
17
20
21
18
22
24
17
24
26
16
23
24
Feels °C
13
12
14
13
13
12
15
15
17
17
18
19
17
21
21
13
23
24
10
19
20
  • Map Icons:
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  • 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 Port Rhu Surf forecast

The above surf forecast table for Port Rhu provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Port Rhu can be found by selecting the local surf guide option on the grey menu. Our Port Rhu 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 (Port Rhu) 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 Port Rhu 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.

Port Rhu is 31 km (19 miles) from the city of Lanester. If you plan a holiday in Morbihan - Brittany, look for hotels and other accommodation in Lanester. Lanester has rooms for a wide range of budgets as well as car hire and transport links.

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