
Surf Forecasts:
Coxos surf forecast from 14 Sep 2026:
- Best quality surf: Saturday 19 Sep, 10AM (local time) - 8ft (2.5m), 14s period, NNW swell with cross-offshore winds.
- Most powerful swell: Saturday 19 Sep, 4AM (local time) - 10ft (3.0m), 14s period, NNW swell with 3,183 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 cross-offshore as the swell arrives.
The most powerful waves expected at Coxos in the next 16 days are 3.0m 14s and forecast to arrive on Saturday (Sep 19) at 4AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.1m 13s period and expected on Wednesday (Sep 16) at 1AM.
| 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 | 4AM (Sat 19th Sep) | 10ft (3.0m) 14s |
Table - best surf conditions forecast for Coxos over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what’s on the cards for the next couple of weeks. The first good news is that we’ve got a bit of swell on the way, but it’s going to be a game of patience before we get the real standout sessions.
The forecast starts with a clean, glassy morning on Monday the 14th at Coxos. We’re looking at a clean 3ft wave from the NW, with a nice 11-second period. The water temp is about average for the time of year. That morning session will be a treat, with light, calm winds and minimal energy in the water (combined energy of 323). It’s a solid, fun little starter, but not the main event.
The first real standout is going to be the morning of Saturday the 19th. We’ve got a solid 8ft NW groundswell, with a very long 14-second period pushing in, and a combined energy that’s cranking (2412). The wind is light and cross-offshore from the ENE, so it’s going to be clean. This wave is big enough that it’s for experienced surfers only, so no messing around. The long period will mean the sets are well-defined, with long lulls in between – a real challenge for the crew who paddle out. This is the one to circle on the calendar.
The following Monday morning, the 21st, is another beauty. We’ve got a 6ft NW swell with that same excellent 14-second period and a combined energy of 1433. The wind is glassy from the SW, so the conditions will be absolutely pristine. Another top-tier session for the experienced crew.
Further out, the Friday morning of the 25th is showing a promising 6ft NW groundswell, also with a 14-second period and a combined energy of 1500. The wind will be glassy from the SSE again, making it a clean option. It’s a long-range call, but it looks like a good one. The Saturday morning the 26th brings another glassy start, with a smaller 5ft NW swell (546 combined energy), perfect for those who want a more relaxed paddle.
In between these highlights, there’s a lot of onshore wind and messy, lumpy conditions, especially from Wednesday the 16th through Friday the 18th. The swell is big, but the wind is ruining it. A 10ft NW swell on the 16th with a strong cross-onshore breeze? That’s a write-off for a clean paddle session. There will be a few smaller, cleaner windows later in the second week, like the morning of the 24th with a glassy 3ft wave (376 energy), but those are for the patient ones.
So, to sum it up: get after the early morning on the 14th, but the absolute standouts are the Saturdays and Mondays around the 19th and 21st. The end of the month is also looking interesting, but we’ll worry about that when it gets closer. Keep your eyes on the ocean.
Rusty
Short Range ForecastMostly dry. Warm (max 26°C on Mon morning, min 17°C on Tue night). Winds increasing (calm on Mon morning, strong winds from the N by Tue night). | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Sat morning, min 17°C on Thu night). Winds decreasing (fresh winds from the N on Thu afternoon, light winds from the WNW by Sat morning). | ||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||
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) | NW 11 | NW 11 | NW 10 | NNW 10 | NW 5 | NNW 8 | NNW 9 | NNW 9 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 8 | NW 15 | NNW 14 | NNW 13 | NNW 12 | NNW 12 | NW 11 | NW 10 |
Wave Graph | |||||||||||||||||||||
242 | 169 | 102 | 63 | 51 | 620 | 1494 | 1528 | 2345 | 1591 | 1247 | 1411 | 926 | 588 | 1663 | 2378 | 1497 | 878 | 743 | 485 | 304 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | on | cross-on | off | cross-on | cross-on |
High Tide | 5:26PM2.85m | 5:44AM2.73m | 6:02PM2.62m | 6:18AM2.55m | 6:39PM2.37m | 6:56AM2.36m | 7:22PM2.13m | 7:44AM2.16m | 8:22PM1.92m | 8:58AM2.00m | 10:00PM1.81m | 10:42AM1.99m | 11:40PM1.88m | ||||||||
Low Tide | 11:13AM0.19m | 11:32PM0.29m | 11:48AM0.36m | 00:04AM0.50m | 12:25PM0.57m | 00:38AM0.73m | 1:07PM0.80m | 1:19AM0.95m | 2:02PM1.01m | 2:18AM1.13m | 3:32PM1.14m | 4:00AM1.22m | 5:23PM1.11m | ||||||||
7:16 | — | — | 7:18 | — | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — | 7:22 | — | — | |
— | 7:47 | — | — | 7:46 | — | — | 7:45 | — | — | 7:43 | — | — | 7:42 | — | — | 7:39 | — | — | 7:38 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 21 | 21 | 20 | 18 | 18 | 19 | 19 | 21 | 20 | 18 | 22 | 23 | 22 | 28 | 25 | 24 | 28 | 27 | 26 |
Feels °C | 25 | 24 | 21 | 20 | 17 | 13 | 11 | 12 | 13 | 15 | 14 | 13 | 17 | 19 | 18 | 25 | 22 | 22 | 26 | 24 | 22 |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 10 | NNW 10 | NW 11 | S 13 | S 13 | SW 13 | S 12 | NNW 10 | S 12 | SW 16 | NNW 9 | NW 14 | NNW 8 | NNW 14 | NNW 13 | NNW 12 | NNW 12 | NW 11 | NW 10 |
242 | 169 | 102 | 63 | 33 | 3 | 3 | 6 | 3 | 1591 | 3 | 10 | 926 | 245 | 560 | 2378 | 1497 | 878 | 743 | 485 | 304 | |
Swell 2 Height (m) Direction Period (s) | WNW 9 | NW 9 | WNW 8 | WNW 8 | WNW 8 | S 13 | — | — | — | SW 18 | S 16 | — | NNW 16 | SW 14 | NW 15 | SW 14 | SW 13 | SW 13 | S 13 | NW 18 | NW 16 |
64 | 83 | 40 | 22 | 22 | 3 | — | — | — | 12 | 5 | — | 24 | 8 | 1663 | 8 | 7 | 7 | 3 | 13 | 251 | |
Swell 3 Height (m) Direction Period (s) | NNW 7 | S 11 | S 11 | WNW 12 | S 10 | — | — | — | — | S 18 | — | — | SW 15 | S 11 | SW 14 | — | — | — | — | S 13 | S 12 |
17 | 2 | 2 | 15 | 2 | — | — | — | — | 6 | — | — | 9 | 2 | 8 | — | — | — | — | 3 | 3 | |
Wind waves Height (m) Direction Period (s) | — | — | NNW 5 | NNW 4 | NW 5 | NNW 8 | NNW 9 | NNW 9 | NNW 10 | — | NNW 9 | NNW 9 | — | NNW 8 | — | — | — | — | — | — | — |
— | — | 10 | 6 | 51 | 620 | 1494 | 1528 | 2345 | — | 1247 | 1411 | — | 588 | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 34 | 34 | 34 | 985 | 238 | 594 | 668 | 126 | 36 | 508 | 132 | 36 | 34 | 34 | 0 | 190 | 1 | 0 | 41 | 17 |
Best forecast wave conditions in Ericeira | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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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.










