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Surf Forecasts:
Coxos surf forecast from 1 Sep 2026:
- Best quality surf: Sunday 6 Sep, 4AM (local time) - 2.5ft (0.7m), 12s period, NW swell with cross-offshore winds.
- Most powerful swell: Tuesday 1 Sep, 10PM (local time) - 5.5ft (1.7m), 9s period, NNW swell with 449 kJ wave energy.
- Next surfable swell (1★+): Saturday 5 Sep, 4AM (local time) - 2.5ft (0.7m), 9s period with WNW 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 05) at 4AM. The primary swell is predicted to be 0.7m and 9s period with a secondary swell of 0.6m and 5s. 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 1.7m 9s and forecast to arrive on Tuesday (Sep 01) 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 0.3m 3s period and expected on Saturday (Sep 05) at 1PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Sat 5th Sep) | 2.5ft (0.7m) 9s |
| Best Surf | 4AM (Sun 6th Sep) | 2.5ft (0.7m) 12s |
| Most Powerful | 10PM (Tue 1st Sep) | 5.5ft (1.7m) 9s |
Table - best surf conditions forecast for Coxos over the next 16 days.
The Lowdown
Alright, Rusty here. Let's have a look at what's on the table for this stretch of coast.
Honestly, for the first two weeks, it's a bit of a heartbreaker. The swell is there at times, sure, but the wind gods are just not playing ball. We're looking at a lot of cross-onshore slop, with wind speeds anywhere from 9 to 19 mph, making a mess of what could be good waves. There's a long run of poor surf conditions from the very start all the way through to the 14th of September. It's not until the 16th of September that things finally start to look interesting.
The standout session, and the only real reason to get excited, is on the morning of Wednesday the 16th of September. The wind drops right out, just a slight air from the north at 3 mph, turning the conditions clean. The swell is a solid 6 ft, coming from the WNW with a period of 10 seconds. The combined wave energy is pumping hard at 1031, so there's some serious power in the water. This is the one to circle on the calendar. It's still a week and a half away, so keep an eye on the charts, but if it holds, Coxos will be firing.
For the rest of the period, you're looking at a lot of onshore winds and choppy, lumpy conditions. The swell is generally small, between 2 ft and 4 ft, and the wind is just never your friend. There's a brief moment on the morning of September 5th with some clean conditions and a little 2 ft WNW swell, but it's tiny. The 6th of September sees a nice 3 ft to 4 ft NW groundswell (11-second period, 378-474 energy), but it's let down by cross and cross-on winds. It's frustrating.
So, to put it plainly: hold out for the 16th of September. That's the one. The rest is a write-off, unless you're desperate for a small, choppy paddle.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Thu afternoon, min 17°C on Tue night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 34°C on Sat morning, min 21°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||||
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 9 | NNW 9 | NNW 9 | NNW 8 | NNW 7 | NNW 6 | NNW 7 | NNW 7 | WNW 8 | WNW 8 | WNW 8 | NW 9 | WNW 9 | WNW 9 | NNW 13 | NNW 11 | NNW 11 | NNW 11 | WNW 12 | WNW 12 | NW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 235 | 440 | 449 | 215 | 163 | 107 | 124 | 79 | 64 | 58 | 44 | 79 | 68 | 68 | 111 | 261 | 329 | 242 | 125 | 294 | 268 |
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 | cross-on | cross-on | cross-on | cross | on | cross | cross-off | cross | cross-off | cross | cross-on | on | cross-on | cross-on | cross-on |
High Tide | 5:46AM2.76m | 6:02PM2.80m | 6:25AM2.66m | 6:46PM2.61m | 7:12AM2.51m | 7:40PM2.39m | 8:13AM2.35m | 8:55PM2.19m | 9:37AM2.25m | 10:33PM2.12m | 11:12AM2.31m | 00:04AM2.23m | 12:30PM2.52m | 1:11AM2.43m | |||||||
Low Tide | 11:48AM0.28m | 00:12AM0.31m | 12:31PM0.42m | 00:55AM0.50m | 1:22PM0.60m | 1:49AM0.71m | 2:31PM0.77m | 3:05AM0.89m | 4:07PM0.85m | 4:44AM0.93m | 5:46PM0.74m | 6:11AM0.79m | 6:58PM0.51m | ||||||||
 | |  |  | | | | |  | | |  | | | | | | | | | | |
 | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — |
 | — | 8:08 | — | — | 8:07 | — | — | 8:06 | — | — | 8:04 | — | — | 8:01 | — | — | 8:00 | — | — | 7:59 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 20 | 18 | 21 | 21 | 19 | 26 | 28 | 23 | 33 | 30 | 31 | 34 | 31 | 25 | 22 | 22 | 20 | 22 | 21 | 19 |
Feels °C | 15 | 16 | 15 | 20 | 19 | 18 | 25 | 25 | 22 | 29 | 28 | 27 | 33 | 29 | 25 | 23 | 23 | 21 | 22 | 20 | 17 |
Swell 1 Height (m) Direction Period (s) | NW 9 | SSW 15 | SSW 14 | NW 8 | NW 8 | NW 7 | NNW 7 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | NW 9 | WNW 9 | WNW 9 | WNW 9 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | WNW 12 | NW 11 |
| kJ | 235 | 22 | 21 | 66 | 32 | 25 | 124 | 49 | 64 | 58 | 44 | 79 | 68 | 68 | 67 | 261 | 329 | 242 | 118 | 294 | 268 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | — | — | SSW 15 | SSW 16 | SSW 15 | NW 9 | SSW 14 | SSW 14 | SW 13 | NW 10 | NNW 5 | NNW 5 | NNW 6 | NNW 13 | WNW 8 | S 12 | WNW 14 | WNW 12 | — | NNW 9 |
| kJ | 23 | — | — | 23 | 24 | 22 | 21 | 20 | 19 | 7 | 24 | 17 | 17 | 30 | 111 | 111 | 3 | 19 | 125 | — | 28 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SSW 15 | — | NW 10 | SSW 14 | — | — | NW 8 | SW 13 | SW 13 | NNW 12 | S 3 | NNW 6 | N 7 | — | S 11 | WNW 8 | — | — |
| kJ | — | — | — | 23 | — | 4 | 20 | — | — | 3 | 7 | 7 | 13 | 1 | 20 | 4 | — | 2 | 24 | — | — |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 9 | NNW 9 | NNW 8 | NNW 7 | NNW 6 | — | NNW 7 | NNW 6 | NNW 5 | NNW 5 | — | — | — | — | N 5 | NW 9 | NW 5 | NNW 5 | NNW 6 | NNW 6 |
| kJ | 115 | 440 | 449 | 215 | 163 | 107 | — | 79 | 40 | 21 | 20 | — | — | — | — | 2 | 145 | 60 | 83 | 119 | 117 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 37 | 238 | 132 | 34 | 34 | 34 | 34 | 34 | 12 | 3 | 317 | 2 | 0 | 36 | 0 | 41 | 41 | 34 | 34 | 37 | 34 |
Best forecast wave conditions in Ericeira | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Coxos surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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.
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