Surf Forecasts:
Playa de Rio Sieira / As Furnas surf forecast from 9 Jun 2026:
- Best quality surf: Friday 12 Jun, 11PM (local time) - 3ft (0.9m), 13s period, NW swell with cross-offshore winds.
- Most powerful swell: Wednesday 10 Jun, 2AM (local time) - 5ft (1.6m), 10s period, NW swell with 538 kJ wave energy.
- Next surfable swell (1★+): Friday 12 Jun, 11AM (local time) - 1.5ft (0.4m), 9s period with WNW swell.
Best Forecast Surf Conditions for Playa de Rio Sieira / As Furnas this week:
The surf forecast for Playa de Rio Sieira / As Furnas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jun 12) at 11AM. The primary swell is predicted to be 0.4m and 9s period with a secondary swell of 0.4m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Playa de Rio Sieira / As Furnas in the next 16 days are 1.6m 10s and forecast to arrive on Wednesday (Jun 10) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Friday (Jun 12) at 8AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Fri 12th Jun) | 1.5ft (0.4m) 9s |
| Best Surf | 11PM (Fri 12th Jun) | 3ft (0.9m) 13s |
| Most Powerful | 2AM (Wed 10th Jun) | 5ft (1.6m) 10s |
Table - best surf conditions forecast for Playa de Rio Sieira / As Furnas over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 30°C on Thu afternoon, min 11°C on Tue morning). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Sat night. Warm (max 32°C on Fri afternoon, min 18°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||
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 10 | WNW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 8 | WNW 9 | NW 14 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 9 | W 10 | W 9 | W 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 402 | 209 | 538 | 344 | 222 | 177 | 99 | 79 | 45 | 26 | 51 | 268 | 379 | 346 | 308 | 232 | 137 | 126 | 117 | 106 | 76 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-off | cross-off | on | cross-off | cross-off | glassy | cross-off | cross-off | cross | off | glassy | on | cross-on |
High Tide | 11:27AM2.32m | 11:45PM2.52m | 12:30PM2.44m | 00:49AM2.61m | 1:29PM2.61m | 1:50AM2.73m | 2:25PM2.81m | 2:49AM2.87m | 3:17PM3.00m | 3:44AM2.99m | 4:09PM3.16m | 4:38AM3.06m | 4:59PM3.28m | ||||||||
Low Tide | 5:27PM0.89m | 6:10AM0.66m | 6:34PM0.79m | 7:10AM0.55m | 7:37PM0.63m | 8:06AM0.42m | 8:35PM0.43m | 9:00AM0.30m | 9:30PM0.23m | 9:52AM0.20m | 10:23PM0.08m | 10:42AM0.15m | 11:16PM-0.02m | ||||||||
 | |  | | | | | | | | | | | |  |  |  |  | | | | |
 | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | — | 10:12 | — | — | 10:13 | — | — | 10:13 | — | — | 10:14 | — | — | 10:14 | — | — | 10:15 | — | — | 10:15 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | — |
Temp °C | 15 | 17 | 17 | 16 | 22 | 20 | 19 | 30 | 28 | 24 | 32 | 31 | 26 | 24 | 25 | 19 | 20 | 19 | 19 | 19 | 18 |
Feels °C | 11 | 11 | 11 | 12 | 16 | 14 | 14 | 25 | 24 | 21 | 30 | 30 | 23 | 23 | 24 | 19 | 20 | 20 | 19 | 19 | 17 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 8 | WNW 9 | WNW 9 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 9 | W 10 | W 9 | W 9 |
| kJ | 402 | 209 | 538 | 344 | 222 | 177 | 99 | 79 | 45 | 26 | 26 | 268 | 379 | 346 | 308 | 232 | 137 | 126 | 117 | 106 | 76 |
Swell 2 Height (m) Direction Period (s) | NW 11 | NW 11 | S 12 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | NW 8 | NW 8 | WNW 8 | SW 15 | SW 14 | S 3 | SSW 13 | W 10 | NW 11 | NW 10 | NW 10 | NW 9 |
| kJ | 19 | 159 | 3 | 81 | 60 | 39 | 38 | 36 | 36 | 18 | 18 | 23 | 9 | 8 | 1 | 17 | 51 | 20 | 36 | 33 | 20 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 11 | — | — | — | S 17 | NNW 5 | NW 14 | NW 10 | N 9 | SSW 14 | SW 13 | — | SSW 13 | SSW 13 | SW 12 | SW 12 | SW 12 |
| kJ | 3 | 3 | 3 | 3 | 3 | — | — | — | 6 | 3 | 51 | 4 | 2 | 19 | 7 | — | 17 | 16 | 6 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | N 3 | NNW 4 | NNW 5 | NNE 3 | NNW 4 | NNE 3 | NNE 3 | N 3 | NNE 3 | ENE 3 | NW 2 | — | — | — | — | — | — | — | — | — | — |
| kJ | 5 | 21 | 62 | 3 | 25 | 6 | 7 | 5 | 10 | 2 | 1 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 216 | 374 | 46 | 46 | 267 | 6 | 6 | 293 | 88 | 0 | 24 | 6 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 80 | 6 |
Best forecast wave conditions in Galicia | |||||||||||||||||||||
Best forecast wave conditions in Spain (Europe) | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Playa de Rio Sieira / As Furnas Surf forecast
The above surf forecast table for Playa de Rio Sieira / As Furnas provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Playa de Rio Sieira / As Furnas can be found by selecting the local surf guide option on the grey menu. Our Playa de Rio Sieira / As Furnas 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 (Playa de Rio Sieira / As Furnas) 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 Playa de Rio Sieira / As Furnas 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 Galicia? If you are looking for accommodation near Playa de Rio Sieira / As Furnas, camping, hotels and holiday cottages in Galicia, consider staying in Boiro which is 12 km (7 miles) away. Other places in and around Galicia where you can find information about places to rent, and car hire include Muros which is 16 km (10 miles) away, Villagarcia, Sanxenxo and Poio.
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