Surf Forecasts:
Trez Hir surf forecast from 27 Aug 2026:
- Best quality surf: Monday 31 Aug, 5PM (local time) - 7.5ft (2.3m), 10s period, W swell with offshore winds.
- Most powerful swell: Monday 31 Aug, 8AM (local time) - 10ft (3.0m), 10s period, W swell with 1,928 kJ wave energy.
- Next surfable swell (1★+): Thursday 27 Aug, 11PM (local time) - 2ft (0.6m), 10s period with WNW swell.
Best Forecast Surf Conditions for Trez Hir this week:
The surf forecast for Trez Hir over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 27) at 11PM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.7m and 7s. Another secondary swell of 0.7m and 6s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Trez Hir in the next 16 days are 3.0m 10s and forecast to arrive on Monday (Aug 31) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Friday (Aug 28) at 5PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Thu 27th Aug) | 2ft (0.6m) 10s |
| Best Surf | 5PM (Mon 31st Aug) | 7.5ft (2.3m) 10s |
| Most Powerful | 8AM (Mon 31st Aug) | 10ft (3.0m) 10s |
Table - best surf conditions forecast for Trez Hir over the next 16 days.
The Lowdown
Hey, Rusty here. Let’s call it like it is: the next 16 days at Trez Hir are mostly a struggle. Water temp’s about 64°F, which is dead normal for this time of year.
First real movement comes Saturday, August 29th. Morning brings 8ft swell from the SW (8-second period) with a clean cross-off wind from the WSW at 25 mph, and the combined energy sits at 614 – that’s moderate. In the afternoon it jumps to 10ft from the WSW, still clean, but energy spikes to 1134 – strong stuff. At that size, it’s expert-only, and the short period means it’s gonna be a bit dumpy. Not for beginners.
Monday, August 31st, is the pick. Morning has 8ft from the west with an 11-second groundswell period, clean cross-off, and massive energy at 1626. Then Monday afternoon sees 8ft from the west, 10-second period, and glassy offshore wind from the WNW – clean, lined-up waves, energy at 1119. That’s the session you wait for. Trez Hir is a “rarely breaks” spot, so when it fires like this, you gotta go. Expect a crowd.
Tuesday, September 1st stays clean, 5ft from the WNW (9-second period) in the morning, energy at 345 – just okay. From September 2nd through 4th, it’s mostly small and poor – a real gap in quality.
Then Saturday, September 5th, offers a nice glassy morning: 5ft from the WNW, 11-second period, glassy wind from the SSW at 3 mph, energy at 484. Smooth and clean, but it’s over a week out, so keep tabs on it.
The rest from September 7th to 11th is mostly poor – small swell, sketchy wind, or onshore junk. Tuesday, September 8th morning shows 5ft from the WNW (10-second period), clean, energy at 472 – but the notes call it “poor surf conditions,” so don’t hold your breath.
Best bet: Monday, August 31st afternoon. Saturday, August 29th is worth a look for the brave. Everything else is a waiting game.
Rusty.
Short Range ForecastLight rain (total 5mm), mostly falling on Sat morning. Very mild (max 19°C on Thu afternoon, min 17°C on Thu night). Winds increasing (light winds from the WNW on Thu night, strong winds from the WSW by Sat afternoon). | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Sun afternoon. Very mild (max 19°C on Sun afternoon, min 17°C on Sun night). Winds decreasing (strong winds from the SW on Sun afternoon, light winds from the WNW by Mon night). | |||||||||||||||||||
Thu 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||
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) | SW 6 | WNW 10 | W 9 | WNW 9 | WNW 8 | SW 8 | WSW 8 | WNW 9 | W 9 | WSW 9 | W 9 | W 11 | W 10 | WNW 10 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 60 | 64 | 173 | 64 | 60 | 614 | 1134 | 660 | 463 | 662 | 1303 | 1626 | 1119 | 640 | 333 | 238 | 153 | 125 | 100 | 64 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross | cross-on | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross |
High Tide | 5:46PM5.54m | 6:04AM5.47m | 6:17PM5.82m | 6:35AM5.71m | 6:48PM6.00m | 7:06AM5.85m | 7:20PM6.06m | 7:38AM5.88m | 7:53PM5.99m | 8:13AM5.78m | 8:30PM5.79m | 8:50AM5.57m | 9:10PM5.46m | |||||||
Low Tide | 00:08AM0.57m | 12:19PM0.57m | 00:40AM0.33m | 12:51PM0.38m | 1:11AM0.19m | 1:23PM0.29m | 1:43AM0.18m | 1:56PM0.31m | 2:16AM0.29m | 2:31PM0.45m | 2:52AM0.52m | 3:10PM0.70m | 3:33AM0.86m | |||||||
 |  | |  |  |  | |  |  |  | | | | | | | | | | | |
 | — | — | 7:28 | — | — | 7:31 | — | — | 7:31 | — | — | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — |
 | — | 9:10 | — | — | 9:08 | — | — | 9:07 | — | — | 9:05 | — | — | 9:02 | — | — | 9:00 | — | 8:59 | — |
mm | — | — | — | — | 2 | 3 | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 18 | 19 | 18 | 19 | 19 | 18 | 18 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 18 | 17 |
Feels °C | 18 | 17 | 15 | 15 | 15 | 15 | 13 | 15 | 14 | 14 | 12 | 16 | 16 | 16 | 16 | 15 | 15 | 16 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 6 | W 7 | W 9 | WNW 9 | WNW 8 | — | — | WNW 9 | W 9 | — | — | W 11 | W 10 | WNW 10 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 |
| kJ | 60 | 50 | 173 | 64 | 59 | — | — | 660 | 463 | — | — | 1626 | 1119 | 640 | 333 | 238 | 153 | 125 | 100 | 64 |
Swell 2 Height (m) Direction Period (s) | W 8 | SW 6 | S 11 | S 11 | WSW 7 | — | — | SW 7 | — | — | — | — | — | — | SW 18 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 |
| kJ | 46 | 38 | 3 | 2 | 36 | — | — | 156 | — | — | — | — | — | — | 12 | 11 | 10 | 10 | 9 | 8 |
Swell 3 Height (m) Direction Period (s) | WNW 10 | WNW 10 | S 11 | — | WNW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 40 | 64 | 2 | — | 39 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SW 6 | WSW 6 | SSW 6 | SW 8 | WSW 8 | — | SW 7 | WSW 9 | W 9 | — | — | — | — | WNW 3 | — | — | — | — |
| kJ | — | — | 20 | 64 | 60 | 614 | 1134 | — | 103 | 662 | 1303 | — | — | — | — | 3 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 37 | 0 | 213 | 63 | 37 | 531 | 374 | 10 | 84 | 232 | 531 | 10 | 0 | 0 | 0 | 315 | 39 | 0 | 0 | 63 |
Best forecast wave conditions in Finistere - Brittany | ||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||
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Information about the Trez Hir Surf forecast
The above surf forecast table for Trez Hir provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Trez Hir can be found by selecting the local surf guide option on the grey menu. Our Trez Hir 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 (Trez Hir) 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 Trez Hir 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.
Trez Hir is 12 km (7 miles) from the city of Camaret-sur-Mer. If you plan a holiday in Finistere - Brittany, look for hotels and other accommodation in Camaret-sur-Mer. Camaret-sur-Mer has rooms for a wide range of budgets as well as car hire and transport links.
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