Surf Forecasts:
Belle Ile surf forecast from 19 Jul 2026:
- Most powerful swell: Tuesday 21 Jul, 5AM (local time) - 1ft (0.3m), 11s period, WNW swell with 23 kJ wave energy.
Best Forecast Surf Conditions for Belle Ile this week:
The most powerful waves expected at Belle Ile in the next 16 days are 0.3m 11s and forecast to arrive on Tuesday (Jul 21) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 5s period and expected on Monday (Jul 20) at 8AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5AM (Tue 21st Jul) | 1ft (0.3m) 11s |
Table - best surf conditions forecast for Belle Ile over the next 16 days.
The Lowdown
Alright, folks. Rusty here. Let’s talk about Belle Ile.
The next week or so is a bust. The swell is tiny—barely a ripple—for the first nine days, with the combined energy down in the weak range. The wind is clean, often offshore or cross-offshore, which is a real tease, but with waves at 0.7 ft to 1.0 ft, there’s nothing to ride. That dry spell runs from Sunday, July 19th, right through until Monday, July 27th.
Things start to move on Tuesday, July 28th. The swell comes up to 4 ft from the WNW, with the combined energy jumping into the moderate zone (207). The wind is a light cross-onshore, so it’s a bit bumpy, but at least there’s something to look at. It’s still a marginal call.
The first real standout is Wednesday, July 29th. The morning is the session to chase. We’ve got a clean 5 ft swell from the WNW, and the wind is a light cross-offshore from the NNE. That’s butter. The combined energy is a solid 281, so there’s some push. The period is a short 6 seconds, so it’s a windswell, not a groundswell, meaning it’ll be a bit sectiony and crumbly, but for a beginner break, it’s a fun wave. 5 ft is a good size for the learners here.
After that, the wind turns onshore in the afternoons, so mornings are the key. Thursday, July 30th morning has a 4 ft swell from the WNW with a gentle cross-shore, which is a smaller, mellower version of Wednesday. Friday, July 31st morning sees a 5 ft swell from the WNW, but the wind is a light cross-onshore, so it’s not as clean, and it’s getting a bit punchy for the beginners.
The real gem of the whole forecast is Monday, August 3rd. The morning delivers a clean 4 ft swell from the west, with a moderate offshore wind from the ENE. The combined energy is 230, and the wind is described as “moderate offshore and clean.” That’s a beautiful morning for a paddle. The west swell direction lines up nicely for this spot, which likes the swell from the SW. The water temp is about average for the time of year, so no shocks there.
Bottom line: if you’re itching, the mornings of Wednesday, July 29th, and Monday, August 3rd, are your best shots. The Wednesday has more size, but the Monday has the better shape and cleaner conditions. The second week has some promise, so keep watching.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Tue afternoon, min 16°C on Mon morning). Winds decreasing (strong winds from the NNE on Sun night, light winds from the NE by Tue afternoon). | Days 4-6 Weather SummaryMostly dry. Warm (max 26°C on Wed afternoon, min 18°C on Wed morning). Mainly fresh winds. | ||||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | WNW 8 | WNW 8 | W 10 | W 9 | W 12 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 11 | 11 | 2 | 6 | 11 | 12 | 22 | 20 | 19 | 19 | 18 | 16 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 10 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-off | cross-off | on | cross-off | off | cross | cross-off | cross-off | on | cross-on |
High Tide | 9:03AM3.76m | 9:21PM3.92m | 9:46AM3.53m | 10:06PM3.59m | 10:33AM3.31m | 10:56PM3.29m | 11:29AM3.12m | 00:00AM3.04m | 12:43PM3.01m | 1:25AM2.93m | 2:05PM3.03m | 2:44AM2.98m | 3:11PM3.16m | 3:41AM3.12m | |||||||
Low Tide | 3:10PM0.47m | 3:42AM0.54m | 3:58PM0.74m | 4:29AM0.83m | 4:50PM1.01m | 5:21AM1.10m | 5:49PM1.23m | 6:20AM1.30m | 6:56PM1.36m | 7:26AM1.39m | 8:05PM1.36m | 8:31AM1.34m | 9:07PM1.24m | ||||||||
 | |  | | |  | | | | | | | | | | | | | | | | |
 | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — |
 | — | — | 10:01 | — | — | 10:00 | — | — | 10:00 | — | — | 9:59 | — | — | 9:58 | — | — | 9:57 | — | — | 9:55 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 26 | 23 | 18 | 25 | 25 | 19 | 27 | 25 | 20 | 26 | 26 | 19 | 24 | 26 | 20 | 26 | 25 | 20 | 22 | 22 |
Feels °C | 11 | 20 | 13 | 9 | 19 | 16 | 11 | 23 | 17 | 15 | 21 | 20 | 17 | 19 | 22 | 15 | 23 | 22 | 19 | 17 | 15 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 8 | NW 7 | W 9 | ESE 4 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | ESE 4 | WNW 4 | W 9 | W 9 | WNW 4 | W 9 | ESE 4 | W 8 | W 8 | W 8 | WNW 4 |
| kJ | 11 | 11 | 2 | 6 | 6 | 12 | 22 | 20 | 19 | 19 | 3 | 3 | 6 | 6 | 1 | 6 | 7 | 5 | 5 | 5 | 8 |
Swell 2 Height (m) Direction Period (s) | W 11 | W 11 | W 7 | W 12 | W 12 | W 8 | W 8 | ESE 5 | — | N 5 | WNW 10 | W 10 | WNW 5 | E 3 | W 9 | — | W 8 | SSE 4 | W 11 | NW 10 | SSW 4 |
| kJ | 2 | 2 | 1 | 3 | 11 | 1 | 1 | 2 | — | 1 | 18 | 16 | 2 | 1 | 6 | — | 6 | 1 | 2 | 4 | 2 |
Swell 3 Height (m) Direction Period (s) | W 11 | W 10 | W 10 | NW 7 | W 8 | NW 8 | — | — | — | — | — | — | NW 6 | WNW 6 | NW 7 | NW 5 | NW 6 | — | — | — | WNW 10 |
| kJ | 2 | 2 | 2 | 2 | 1 | 3 | — | — | — | — | — | — | 2 | 4 | 2 | 1 | 2 | — | — | — | 9 |
Wind waves Height (m) Direction Period (s) | ENE 5 | ENE 4 | NE 5 | ENE 5 | NE 4 | NE 5 | ENE 5 | ENE 4 | NE 5 | ENE 4 | — | NE 4 | ENE 3 | — | NE 3 | E 4 | — | N 2 | ENE 2 | — | W 4 |
| kJ | 69 | 12 | 82 | 88 | 7 | 75 | 57 | 8 | 63 | 24 | — | 17 | 7 | — | 9 | 22 | — | 1 | 1 | — | 10 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 742 | 356 | 347 | 335 | 356 | 347 | 377 | 356 | 347 | 426 | 435 | 316 | 139 | 436 | 377 | 433 | 717 | 426 | 742 | 908 | 1248 |
Best forecast wave conditions in Morbihan - Brittany | |||||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||||
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Information about the Belle Ile Surf forecast
The above surf forecast table for Belle Ile provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Belle Ile can be found by selecting the local surf guide option on the grey menu. Our Belle Ile 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 (Belle Ile) 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 Belle Ile 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.
Belle Ile is 48 km (30 miles) from the city of Ploemeur. If you plan a holiday in Morbihan - Brittany, look for hotels and other accommodation in Ploemeur. Ploemeur has rooms for a wide range of budgets as well as car hire and transport links.
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