Surf Forecasts:
Trestrignel surf forecast from 21 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 8AM (local time) - 3.5ft (1.1m), 7s period, NE swell with cross-offshore winds.
- Most powerful swell: Friday 28 Aug, 11PM (local time) - 7ft (2.2m), 9s period, W swell with 736 kJ wave energy.
- Next surfable swell (1★+): Tuesday 25 Aug, 8AM (local time) - 3.5ft (1.1m), 7s period with NE swell.
Best Forecast Surf Conditions for Trestrignel this week:
The surf forecast for Trestrignel over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 25) at 8AM. The primary swell is predicted to be 1.1m and 7s period with a secondary swell of 0.2m and 11s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Trestrignel in the next 16 days are 2.2m 9s and forecast to arrive on Friday (Aug 28) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 6s period and expected on Monday (Aug 24) at 11AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Tue 25th Aug) | 3.5ft (1.1m) 7s |
| Best Surf | 8AM (Tue 25th Aug) | 3.5ft (1.1m) 7s |
| Most Powerful | 11PM (Fri 28th Aug) | 7ft (2.2m) 9s |
Table - best surf conditions forecast for Trestrignel over the next 16 days.
The Lowdown
Alright, let’s cut the crap. The next week and a half is a total dud. We’ve got a long stretch of nothing on the horizon, so don’t even bother waxing up. From today until the 30th of August, it’s flat, weak, and all over the place. We’re talking a solid nine-day dry spell. Any bump in the water is just short-period slop or blown out by the wind. The water is sittin’ at 66°F, which is a touch warmer than usual for this time of year.
Then, finally, on the morning of the 31st of August, we get a pulse of proper groundswell. It’s not huge, but it’s got some energy behind it – the reading jumps to 487, the first real sign of life. The swell is out of the W, and the wind is light and clean. It’s not perfect, but it’s the first real chance you’ll get. The afternoon gets a bit lumpy, so get out there early.
But then it fades again. The first few days of September look messy with cross-shore winds chopping up any remaining swell. On the 3rd, there’s some bump, but it’s short-period windswell with onshore winds – that’s not gonna be fun.
Your real window, the one to circle on the calendar, is the morning of the 4th of September. It’s still over a week out, so take it with a grain of salt, but the setup looks good. We’ve got a modest swell out of the W running about 5ft, and the wind is light and offshore, leaving it clean. The energy is solid. It’s not a monster, but it will be the best surf we’ve seen in the whole window. Trestrignel is sheltered and consistent, but it’s a beginner spot, so expect it to be crowded. This is your one and only standout.
The morning after, the 5th, still has some waves but it’s a step down in quality. So, make a plan for the 4th. That’s your call.
Rusty, out.
Short Range ForecastSome drizzle, heaviest during Mon afternoon. Warm (max 21°C on Mon afternoon, min 16°C on Fri night). Winds increasing (calm on Sat morning, strong winds from the E by Mon morning). | Days 5-7 Weather SummaryHeavy rain (total 35mm), heaviest during Wed afternoon. Warm (max 25°C on Tue afternoon, min 16°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | ||||||||||||||
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 9 | NE 5 | W 9 | ENE 5 | WSW 10 | WSW 9 | NE 7 | NE 7 | NE 7 | WNW 10 | WNW 10 | W 9 | W 8 | W 8 | WNW 8 | WNW 7 | W 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 207 | 52 | 43 | 31 | 13 | 72 | 19 | 8 | 227 | 303 | 73 | 40 | 51 | 39 | 51 | 72 | 273 | 212 | 272 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross | cross | cross | cross-off | cross | cross-off | cross-off | cross | cross-off | off | cross-off | cross-off | cross-off | cross-off | off | cross | cross | cross-off |
High Tide | 1:49AM5.02m | 2:34PM5.02m | 3:29AM4.88m | 4:13PM5.11m | 4:58AM5.14m | 5:25PM5.52m | 5:56AM5.60m | 6:14PM6.04m | 6:37AM6.11m | 6:51PM6.57m | 7:12AM6.59m | 7:24PM7.04m | |||||||
Low Tide | 8:06AM2.97m | 9:11PM3.00m | 9:59AM3.01m | 10:52PM2.75m | 11:18AM2.63m | 11:51PM2.25m | 12:07PM2.11m | 00:32AM1.69m | 12:45PM1.57m | 1:07AM1.15m | 1:19PM1.08m | 1:39AM0.67m | |||||||
 | |  |  | | | |  |  |  | | |  | | | | |  | | |
 | — | 7:15 | — | — | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — | 7:20 | — | — | 7:22 | — | — |
 | 9:17 | — | — | 9:16 | — | — | 9:15 | — | — | 9:13 | — | — | 9:10 | — | — | 9:08 | — | — | 9:07 |
mm | — | — | — | — | — | — | — | — | 1 | 4 | 2 | — | 4 | — | 21 | 2 | 1 | 1 | 6 |
Temp °C | 17 | 18 | 19 | 18 | 19 | 20 | 19 | 18 | 21 | 21 | 21 | 25 | 21 | 20 | 21 | 21 | 17 | 18 | 17 |
Feels °C | 13 | 15 | 14 | 14 | 13 | 14 | 13 | 12 | 15 | 17 | 21 | 24 | 22 | 18 | 18 | 19 | 14 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 8 | W 9 | W 9 | W 9 | W 9 | WSW 10 | WSW 9 | SW 9 | SW 9 | NE 7 | NE 6 | WNW 10 | W 9 | W 8 | W 8 | WNW 8 | WSW 8 | W 8 |
| kJ | 207 | 52 | 43 | 24 | 13 | 6 | 19 | 8 | 3 | 3 | 73 | 23 | 51 | 39 | 51 | 72 | 273 | 6 | 272 |
Swell 2 Height (m) Direction Period (s) | — | W 9 | WNW 8 | WNW 6 | WNW 7 | WSW 12 | W 10 | W 10 | W 9 | NW 12 | WNW 11 | WNW 10 | NE 5 | SW 8 | SW 7 | — | — | — | — |
| kJ | — | 41 | 22 | 8 | 4 | 14 | 2 | 2 | 2 | 6 | 22 | 40 | 4 | 2 | 2 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 15 | W 15 | W 15 | W 14 | NW 7 | — | W 9 | W 8 | W 9 | SW 9 | SW 8 | W 8 | NE 4 | — | — | — | — | — |
| kJ | — | 4 | 4 | 4 | 4 | 2 | — | 2 | 1 | 2 | 3 | 3 | 1 | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NE 4 | NE 4 | NE 5 | E 5 | ENE 5 | ENE 6 | ENE 6 | NE 7 | NE 7 | — | — | SW 4 | SW 4 | S 2 | SSW 3 | — | WNW 7 | — |
| kJ | — | 2 | 24 | 31 | 61 | 72 | 178 | 309 | 227 | 303 | — | — | 10 | 3 | 1 | 3 | — | 212 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 95 | 13 | 96 | 216 | 197 | 105 | 210 | 197 | 107 | 106 | 74 | 105 | 92 | 209 | 105 | 21 | 107 | 161 | 0 |
Best forecast wave conditions in Cote d'Armor - Brittany | |||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||
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Information about the Trestrignel Surf forecast
The above surf forecast table for Trestrignel provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Trestrignel can be found by selecting the local surf guide option on the grey menu. Our Trestrignel 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 (Trestrignel) 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 Trestrignel 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 Cote d'Armor - Brittany? If you are looking for accommodation near Trestrignel, camping, hotels and holiday cottages in Cote d'Armor - Brittany, consider staying in Lannion which is 10 km (6 miles) away. Other places in and around Cote d'Armor - Brittany where you can find information about places to rent, and car hire include Treguier which is 15 km (9 miles) away, Paimpol, Morlaix and Roscoff.
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