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Surf Forecasts:
Coxos surf forecast from 22 Aug 2026:
- Best quality surf: Sunday 23 Aug, 4AM (local time) - 7ft (2.2m), 12s period, WNW swell with offshore winds.
- Most powerful swell: Friday 28 Aug, 10AM (local time) - 10ft (3.0m), 11s period, NW swell with 2,116 kJ wave energy.
- Next surfable swell (1★+): Saturday 22 Aug, 10PM (local time) - 3.5ft (1.0m), 15s 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 (Aug 22) at 10PM. The primary swell is predicted to be 1.0m and 15s period with a secondary swell of 0.9m and 9s. 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 11s and forecast to arrive on Friday (Aug 28) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 8s period and expected on Monday (Aug 24) at 7AM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sat 22nd Aug) | 3.5ft (1.0m) 15s |
| Best Surf | 4AM (Sun 23rd Aug) | 7ft (2.2m) 12s |
| Most Powerful | 10AM (Fri 28th Aug) | 10ft (3.0m) 11s |
Table - best surf conditions forecast for Coxos over the next 16 days.
The Lowdown
Alright, this is Rusty. Let's talk about what's on the menu for our local stretch, Coxos.
The next few days are looking pretty grim, to be honest. We've got a long, quiet run ahead. From now until the end of the month, conditions are going to be tough with a lot of wind and messy, unappealing surf. You're looking at a solid week-plus of poor conditions, with the wind mostly cross-shore or cross-onshore, and the wave energy is weak, barely hitting triple digits in the energy department. It's one of those stretches where you're better off tuning the board than paddling out.
The first real glimmer of hope doesn't show up until Friday morning the 28th of August. That's when a proper pulse of swell finally arrives. We're talking a 10ft groundswell from the NW, with a long 11-second period and a massive energy reading of 2116. That's a serious push of water. The problem is the wind is a light cross-onshore, which will keep the surface from being glassy, but at those sizes, it'll still be powerful. This is advanced territory for sure, so leave the foamies at home. The water temperature is sitting around 68°, which is about average for this time of year, nothing unusual there.
Keep an eye on Saturday the 5th of September. That morning looks promising with clean, offshore NW wind at just 3 mph, and a 6ft NW swell with a very long 13-second period and strong energy of 1173. That's a standout session if the forecast holds, offering proper, lined-up waves at Coxos. The wind will be light and onshore by the afternoon, so the morning window is the one to chase.
So, to sum it up: forget the next week and a half. The real action, if you're patient, is the big Friday morning on the 28th for the experienced crew, and then that Saturday morning on the 5th of September looks like the pick of the bunch for cleaner, more manageable conditions. It's a long wait, but there's light at the end of the tunnel.
- Rusty
Short Range ForecastModerate rain (total 13mm), heaviest on Sun morning. Warm (max 22°C on Sun afternoon, min 19°C on Sat morning). Winds increasing (light winds from the NW on Sat morning, strong winds from the SSW by Sun night). | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Wed morning. Warm (max 22°C on Tue morning, min 19°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | |||||||||||||||
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 | WNW 13 | WNW 11 | W 10 | WSW 9 | WSW 8 | WSW 8 | W 7 | W 7 | W 7 | WNW 6 | WSW 6 | W 6 | WNW 7 | WNW 8 | WNW 8 | WNW 9 | NW 11 | NW 11 | NW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 394 | 248 | 1255 | 643 | 509 | 791 | 897 | 650 | 261 | 157 | 107 | 55 | 65 | 113 | 118 | 322 | 410 | 749 | 2116 | 1537 | 934 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross | cross | cross | cross | cross-on | cross | cross-on | on | on | cross-on | cross-on | cross-on |
High Tide | 11:22AM2.03m | 00:11AM1.94m | 12:36PM2.16m | 1:11AM2.08m | 1:28PM2.34m | 1:54AM2.25m | 2:08PM2.54m | 2:30AM2.42m | 2:43PM2.72m | 3:03AM2.57m | 3:15PM2.87m | 3:34AM2.69m | 3:46PM2.98m | ||||||||
Low Tide | 5:56PM1.07m | 6:14AM1.07m | 7:03PM0.92m | 7:12AM0.91m | 7:48PM0.74m | 7:53AM0.72m | 8:24PM0.55m | 8:28AM0.54m | 8:57PM0.38m | 9:01AM0.39m | 9:28PM0.24m | 9:32AM0.26m | 9:59PM0.14m | ||||||||
 | |  |  |  |  | |  |  |  | | | | |  | | | | | | | |
 | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:01 | — | — |
 | — | 8:22 | — | — | 8:22 | — | — | 8:21 | — | — | 8:19 | — | — | 8:17 | — | — | 8:15 | — | — | 8:15 | — |
mm | — | — | — | 4 | 1 | 5 | 3 | — | — | — | — | — | 2 | — | 1 | 1 | — | — | — | — | — |
Temp °C | 20 | 21 | 20 | 21 | 22 | 21 | 22 | 22 | 21 | 22 | 22 | 20 | 21 | 21 | 20 | 21 | 21 | 20 | 21 | 20 | 19 |
Feels °C | 19 | 20 | 20 | 17 | 19 | 17 | 19 | 20 | 21 | 22 | 22 | 21 | 18 | 20 | 20 | 17 | 17 | 18 | 19 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NNW 9 | WNW 13 | WNW 11 | W 10 | NNW 8 | N 8 | NNW 8 | W 7 | W 7 | W 7 | WNW 6 | NNW 6 | NNW 6 | WNW 7 | SW 11 | SW 11 | WNW 9 | NW 11 | NW 11 | NW 10 |
| kJ | 394 | 248 | 1255 | 643 | 509 | 12 | 10 | 12 | 261 | 157 | 107 | 55 | 15 | 4 | 118 | 5 | 5 | 749 | 2116 | 1537 | 934 |
Swell 2 Height (m) Direction Period (s) | W 9 | W 9 | NNW 9 | N 8 | N 8 | SSW 13 | S 13 | NNW 8 | N 7 | N 7 | SW 12 | NW 11 | NW 10 | NW 9 | SW 11 | — | — | SW 11 | — | — | — |
| kJ | 38 | 39 | 106 | 49 | 33 | 17 | 3 | 12 | 10 | 1 | 6 | 5 | 4 | 3 | 5 | — | — | 4 | — | — | — |
Swell 3 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | — | SW 13 | SW 12 | SW 12 | W 10 | W 10 | W 9 | SW 11 | SW 11 | — | — | — | — | — | — |
| kJ | 20 | 20 | 20 | 18 | 17 | 17 | — | 7 | 6 | 6 | 2 | 2 | 2 | 5 | 5 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SSW 6 | S 6 | WSW 9 | WSW 8 | WSW 8 | — | — | — | — | WSW 6 | W 6 | — | WNW 8 | WNW 8 | — | — | — | — |
| kJ | — | — | — | 81 | 169 | 791 | 897 | 650 | — | — | — | — | 65 | 113 | — | 322 | 410 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 34 | 399 | 5 | 144 | 134 | 142 | 405 | 271 | 37 | 41 | 41 | 49 | 144 | 403 | 41 | 541 | 414 | 34 | 34 | 238 | 37 |
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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