
Surf Forecasts:
Trestrignel surf forecast from 8 Aug 2026:
- Most powerful swell: Thursday 13 Aug, 2PM (local time) - 4ft (1.2m), 11s period, W swell with 338 kJ wave energy.
Best Forecast Surf Conditions for Trestrignel this week:
The most powerful waves expected at Trestrignel in the next 16 days are 1.2m 11s and forecast to arrive on Thursday (Aug 13) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Tuesday (Aug 11) at 11PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2PM (Thu 13th Aug) | 4ft (1.2m) 11s |
Table - best surf conditions forecast for Trestrignel over the next 16 days.
The Lowdown
Gutted, folks. I’ve been staring at the charts for Trestrignel and honestly, it’s a tough stretch. We’re looking at a blank run for the foreseeable future, and by that I mean a solid ten days or more of nothing worth paddling out for. The water’s sitting at a lukewarm 66°, which is about average for this time of year, so at least you won’t be freezing while you stare at the flatness. But make no mistake, this is a waiting game.
The first week is a total write-off. We’ve got swell, sure, but it’s tiny—nothing over 2ft until mid-week, and even then it’s all short-period, weak energy. The combined energy is struggling to even hit the triple digits, sitting around 42 to 56 units early on. That’s just not enough push to break Trestrignel properly. The winds are all over the place, mostly cross-onshore or blowing straight on, which is making a mess of the little bumps that are there. It’s clean in the mornings, but there’s just no size. You’d be floating around on a longboard, not surfing.
Come the 12th and 13th, we see a bit more life in the water—the energy jumps to 164 and then 358 units—and the swell ticks up to around 3ft. But the wind swings onshore and the waves are gutless and choppy. It’s better than nothing for a few closeouts, but it’s still not surf you’d set your alarm for. The 14th and 15th are similar; energy is there, but the period stays short around 8-9 seconds, and the consistency is just poor. It’s all “poor surf conditions” from the models, and I have to agree.
The real kick in the teeth is the 19th and 20th of August. The swell finally shows up—pushing 6ft to 8ft and a combined energy of 390 and then a hefty 919 units. That’s proper power. But the wind is howling cross-shore and cross-onshore at 15-19 mph. The whole place is going to be a wind-blown, lumpy mess. Honestly, at that size and with that wind, this isn’t a paddle-surf setup anymore. You’d be better off rigging up a kite and having a blast out the back. It’s going to be that kind of day.
Then, just when the swell starts to ease, we get one little glimmer. On the morning of the 21st, the wind dies right off to a light NNW, and we have 5ft of WNW swell with a period of 10 seconds. The energy is still strong at 457 units. The model gives it a 1/10 score, calling it marginal, but that’s the first time the wind and the swell are on the same page. It might be a bit buckled from the previous days, but if you’re desperate, that’s the window. The afternoon reverts to type, though, with the NE cross-on breeze messing it up again.
After that, it fades out into small, junky, wind-blown leftovers for the final days of the window. The 22nd and 23rd see the energy drop back below 140 units and the swell shrink to under 3ft. It’s a poor finish to a poor stretch.
So there you have it. If you’re a beginner, stay home—even the slightly bigger days are messy and the period is too short. If you’re an expert, maybe the morning of the 21st is worth a look for a few racier ones, but don’t hold your breath. Right now, I’d say give it a miss. It’s been flat for a while and it’ll turn again, the forecasts always change. But for now, the quiver can stay in the shed.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Sat afternoon, min 16°C on Sat morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 32°C on Wed afternoon, min 17°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||
Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | |||||||||||||||
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) | W 9 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | ENE 5 | W 12 | W 10 | W 10 | W 9 | W 11 | W 10 | W 10 | W 9 | WNW 9 | NW 6 |
Wave Graph | |||||||||||||||||||||
6 | 41 | 37 | 33 | 32 | 46 | 45 | 43 | 38 | 26 | 87 | 24 | 98 | 118 | 106 | 242 | 264 | 194 | 142 | 274 | 80 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | on | on | on | cross-on | cross-on | cross | cross-off | cross | cross-off | cross-off | on | cross-on | cross-on | cross-on | on | on | on | cross-on |
High Tide | 2:49PM5.81m | 3:37AM5.76m | 4:19PM5.99m | 5:03AM6.06m | 5:34PM6.47m | 6:11AM6.55m | 6:34PM7.05m | 7:05AM7.05m | 7:24PM7.56m | 7:51AM7.45m | 8:07PM7.91m | 8:33AM7.67m | 8:48PM8.04m | ||||||||
Low Tide | 8:32AM2.09m | 9:21PM2.07m | 10:04AM2.05m | 10:50PM1.74m | 11:23AM1.64m | 11:59PM1.14m | 12:24PM1.07m | 00:54AM0.52m | 1:14PM0.54m | 1:41AM0.02m | 1:59PM0.14m | 2:24AM-0.28m | 2:40PM-0.06m | 3:04AM-0.33m | |||||||
6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | |
— | — | 9:42 | — | — | 9:39 | — | — | 9:37 | — | — | 9:37 | — | — | 9:35 | — | — | 9:32 | — | — | 9:30 | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 26 | 21 | 20 | 22 | 20 | 20 | 21 | 21 | 23 | 27 | 26 | 29 | 32 | 27 | 20 | 22 | 20 | 19 | 20 | 20 |
Feels °C | 18 | 22 | 18 | 18 | 20 | 17 | 19 | 19 | 19 | 19 | 23 | 21 | 26 | 29 | 25 | 18 | 21 | 19 | 18 | 18 | 18 |
Swell 1 Height (m) Direction Period (s) | W 9 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | W 12 | ENE 7 | W 10 | W 9 | W 11 | W 10 | W 10 | W 9 | WNW 9 | WNW 9 |
6 | 41 | 37 | 33 | 32 | 46 | 45 | 43 | 38 | 26 | 21 | 24 | 78 | 118 | 106 | 242 | 264 | 194 | 142 | 274 | 80 | |
Swell 2 Height (m) Direction Period (s) | NW 5 | NW 5 | ENE 4 | ENE 4 | — | WSW 7 | NNW 4 | WSW 7 | WSW 7 | W 10 | W 10 | WNW 8 | W 10 | — | NE 5 | W 11 | NE 6 | NE 5 | — | — | — |
1 | 1 | 5 | 1 | — | 5 | 6 | 5 | 5 | 8 | 8 | 11 | 98 | — | 28 | 93 | 5 | 1 | — | — | — | |
Swell 3 Height (m) Direction Period (s) | NW 12 | — | W 7 | W 6 | SW 6 | NE 4 | WSW 7 | WSW 7 | W 11 | SW 6 | W 6 | W 9 | — | — | W 13 | — | — | — | — | — | — |
5 | — | 1 | 1 | 2 | 1 | 5 | 5 | 2 | 2 | 1 | 6 | — | — | 14 | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | E 3 | ENE 3 | — | — | — | NW 4 | — | N 3 | NE 3 | ENE 4 | ENE 5 | ENE 6 | — | NE 6 | — | N 6 | WNW 4 | NW 4 | WNW 5 | NNE 4 | NW 6 |
4 | 6 | — | — | — | 6 | — | 2 | 2 | 24 | 87 | 185 | — | 46 | — | 23 | 13 | 29 | 36 | 3 | 79 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 107 | 74 | 74 | 102 | 600 | 101 | 101 | 119 | 102 | 107 | 600 | 102 | 21 | 105 | 21 | 117 | 107 | 95 | 117 | 117 | 117 |
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.











