
Surf Forecasts:
Coxos surf forecast from 17 Sep 2026:
- Best quality surf: Saturday 19 Sep, 10AM (local time) - 8ft (2.5m), 14s period, NNW swell with glassy winds.
- Most powerful swell: Friday 18 Sep, 10PM (local time) - 8ft (2.5m), 15s period, NNW swell with 3,156 kJ wave energy.
- Next surfable swell (1★+): Saturday 19 Sep, 10AM (local time) - 8ft (2.5m), 14s period with NNW swell.
Best Forecast Surf Conditions for Coxos this week:
The surf forecast for Coxos over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Sep 19) at 10AM. The primary swell is predicted to be 2.5m and 14s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Coxos in the next 16 days are 2.5m 15s and forecast to arrive on Friday (Sep 18) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.1m 12s period and expected on Thursday (Sep 17) at 4PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Sat 19th Sep) | 8ft (2.5m) 14s |
| Best Surf | 10AM (Sat 19th Sep) | 8ft (2.5m) 14s |
| Most Powerful | 10PM (Fri 18th Sep) | 8ft (2.5m) 15s |
Table - best surf conditions forecast for Coxos over the next 16 days.
Short Range ForecastMostly dry. Warm (max 23°C on Sat morning, min 17°C on Thu night). Winds decreasing (fresh winds from the N on Thu afternoon, calm by Sat morning). | Days 4-6 Weather SummaryMostly dry. Warm (max 29°C on Mon morning, min 17°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||
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) | NNW 10 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 15 | NNW 14 | NNW 13 | NNW 13 | NNW 12 | NNW 11 | NW 11 | NW 10 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 16 | NW 14 | NW 14 |
Wave Graph | |||||||||||||||||||||
1361 | 1126 | 1058 | 782 | 487 | 3030 | 2344 | 1520 | 1049 | 850 | 669 | 561 | 299 | 645 | 524 | 478 | 383 | 198 | 739 | 1220 | 1179 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | on | cross-on | cross-off | on | cross-on | off | cross-on | cross-on | glassy | on | cross-on | cross-on | on | cross-on |
High Tide | 7:22PM2.13m | 7:44AM2.16m | 8:22PM1.92m | 8:58AM2.00m | 10:00PM1.81m | 10:42AM1.99m | 11:40PM1.88m | 12:03PM2.12m | 00:41AM2.05m | 12:55PM2.32m | 1:23AM2.24m | 1:34PM2.54m | 1:58AM2.44m | ||||||||
Low Tide | 1:07PM0.80m | 1:19AM0.95m | 2:02PM1.01m | 2:18AM1.13m | 3:32PM1.14m | 4:00AM1.22m | 5:23PM1.11m | 5:40AM1.12m | 6:33PM0.94m | 6:39AM0.94m | 7:16PM0.73m | 7:21AM0.73m | 7:51PM0.52m | ||||||||
7:20 | — | — | 7:20 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:24 | — | — | 7:24 | — | — | |
— | 7:43 | — | — | 7:42 | — | — | 7:39 | — | — | 7:38 | — | — | 7:37 | — | — | 7:35 | — | — | 7:34 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 20 | 18 | 20 | 20 | 18 | 23 | 23 | 22 | 28 | 26 | 26 | 29 | 26 | 24 | 26 | 23 | 21 | 22 | 21 | 20 |
Feels °C | 15 | 14 | 13 | 17 | 17 | 17 | 22 | 22 | 19 | 26 | 23 | 24 | 27 | 24 | 22 | 23 | 21 | 18 | 21 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | NNW 10 | S 12 | SW 16 | NW 16 | NNW 13 | NNW 15 | NNW 14 | NNW 13 | NNW 13 | NNW 12 | NNW 11 | NW 11 | NW 10 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 16 | NW 14 | NW 14 |
1361 | 3 | 10 | 61 | 479 | 3030 | 2344 | 1520 | 1049 | 850 | 669 | 561 | 292 | 645 | 524 | 478 | 383 | 198 | 739 | 1220 | 1179 | |
Swell 2 Height (m) Direction Period (s) | S 18 | S 16 | S 11 | NW 12 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | S 13 | S 13 | S 12 | NNW 13 | N 6 | S 12 | S 12 | S 11 | NW 18 | NW 11 | WNW 10 | NNW 7 |
6 | 5 | 3 | 6 | 8 | 8 | 8 | 7 | 7 | 3 | 3 | 3 | 299 | 20 | 3 | 3 | 2 | 81 | 57 | 9 | 107 | |
Swell 3 Height (m) Direction Period (s) | S 12 | — | — | SW 15 | S 11 | — | SW 14 | — | — | — | — | — | S 12 | S 12 | — | — | — | S 11 | NW 11 | — | S 16 |
3 | — | — | 9 | 2 | — | 8 | — | — | — | — | — | 3 | 3 | — | — | — | 2 | 30 | — | 5 | |
Wind waves Height (m) Direction Period (s) | — | NNW 9 | NNW 9 | NNW 8 | NNW 8 | — | — | — | — | — | — | — | — | — | NW 3 | — | NNW 5 | NNW 6 | NNW 7 | NNW 7 | — |
— | 1126 | 1058 | 782 | 487 | — | — | — | — | — | — | — | — | — | 2 | — | 9 | 57 | 166 | 153 | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 36 | 223 | 132 | 37 | 226 | 34 | 0 | 34 | 17 | 0 | 37 | 1 | 0 | 196 | 34 | 0 | 36 | 34 | 34 | 222 | 34 |
Best forecast wave conditions in Ericeira | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Coxos Surf forecast
The above surf forecast table for Coxos provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Coxos can be found by selecting the local surf guide option on the grey menu. Our Coxos 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 (Coxos) 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 Coxos 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 Ericeira? If you are looking for accommodation near Coxos, camping, hotels and holiday cottages in Ericeira, consider staying in Torres Vedras which is 18 km (11 miles) away. Other places in and around Ericeira where you can find information about places to rent, and car hire include Sintra which is 22 km (14 miles) away, Rio de Mouro, Cacem and Loures.










