Port Rhu surf break

Port Rhu surfForecast / Brittany – Morbihan / France

information circle16 Day Weather and Surf, issued 6 pm Wednesday 18 Mar 2026 CET
Forecast update in hr  min  s Forecast update imminent
Port Rhu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Port Rhu sea temperature is
11.4° C
(Which is normal for this time of year)

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 Thursday (Mar 19) at 4PM. The primary swell is predicted to be 1.2m and 14s period with a secondary swell of 1.0m and 6s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Port Rhu in the next 16 days are 1.9m 15s and forecast to arrive on Thursday (Mar 19) at 4AM. Winds are predicted to be offshore 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 (Mar 19) at 4AM.

Wave TypeTime (CET) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Thu 19th Mar)4ft (1.2m) 14s
Best Surf 4PM (Thu 19th Mar)4ft (1.2m) 14s
Most Powerful 4AM (Thu 19th Mar)6ft (1.9m) 15s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 17°C on Wed afternoon, min 7°C on Wed night). Winds decreasing (strong winds from the ENE on Wed afternoon, moderate winds from the ENE by Sat morning).

Days 3-6 Weather Summary Mostly dry. Very mild (max 15°C on Sat afternoon, min 7°C on Sat night). Winds decreasing (fresh winds from the NNE on Sat night, calm by Mon morning).

Wed
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
3
2
1
3
0
0
0
0
0
1
1
2
2
1
1
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.2
WSW
2
W
1.5
W
1.2
W
0.9
W
0.7
W
0.6
W
0.4
W
0.3
WSW
0.5
W
1.1
W
1.1
W
1
W
0.8
W
0.7
W
0.6
W
0.8
W
0.7
W
0.7
W
0.6
W
0.9
W
Period(s) (?)171514141312121114171817161313141312111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)26081860868534272143100393615374169951322215314220213612384181
Wind
(km/h)
35
E
40
ENE
35
E
25
E
30
ENE
35
ENE
30
ENE
25
NE
25
NE
20
NE
25
NE
20
NNE
15
NNE
20
NNE
10
NE
10
W
15
WNW
20
W
20
WSW
30
WSW
30
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffcross-
off
offoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
onononononon
High Tide
/ height (m)
4:36PM
4.35
4:49AM
4.68
5:09PM
4.55
5:24AM
4.80
5:43PM
4.65
5:59AM
4.79
6:18PM
4.62
6:37AM
4.64
6:56PM
4.48
7:18AM
4.36
7:37PM
4.22
8:03AM
3.97
8:25PM
3.87
9:00AM
3.54
Low Tide
/ height (m)
10:41PM
0.10
11:03AM
-0.10
11:17PM
-0.07
11:39AM
-0.19
11:54PM
-0.13
12:16PM
-0.13
12:33AM
-0.06
12:55PM
0.07
1:16AM
0.15
1:38PM
0.38
2:03AM
0.46
2:27PM
0.76
3:00AM
0.83
Wed
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Sunrise--7:18--7:16--7:13--7:11--7:09--7:07--7:05
Sunset7:21--7:22--7:23--7:24--7:27--7:28--7:30--
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
Rain (mm)
---------------------
Temp. °C171011141211131213159121388101011111111
Feels °C (?)11049747681127826666666
  • 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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