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Surf Forecasts:
Coxos surf forecast from 8 Sep 2026:
- Best quality surf: Sunday 13 Sep, 10AM (local time) - 4.5ft (1.3m), 13s period, NW swell with glassy winds.
- Most powerful swell: Sunday 13 Sep, 7PM (local time) - 5.5ft (1.7m), 12s period, NNW swell with 769 kJ wave energy.
- Next surfable swell (1★+): Saturday 12 Sep, 10AM (local time) - 4.5ft (1.4m), 8s 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 12) at 10AM. The primary swell is predicted to be 1.4m and 8s period with a secondary swell of 0.5m and 10s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Coxos in the next 16 days are 1.7m 12s and forecast to arrive on Sunday (Sep 13) at 7PM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Sat 12th Sep) | 4.5ft (1.4m) 8s |
| Best Surf | 10AM (Sun 13th Sep) | 4.5ft (1.3m) 13s |
| Most Powerful | 7PM (Sun 13th Sep) | 5.5ft (1.7m) 12s |
Table - best surf conditions forecast for Coxos over the next 16 days.
The Lowdown
Right, mate. Rusty here. Let’s have a look at what’s on the table for the next couple of weeks.
Coxos is the only spot firing for us this period, and honestly, it’s a bit of a slow start. The first few days are a write-off with messy cross-on winds and lumpy, poor surf conditions. You’ll be waiting until Saturday the 12th to even consider a paddle, and even then, it’s just a glimmer.
The real standout, the one you need to circle on the calendar, is Sunday the 13th. That morning at Coxos is where it’s at. We’ve got a glassy, calm sea with a 4ft swell from the NW wrapped in a very long 13-second period. The combined energy is cranking at 677 (moderate to strong), and it’s an exposed reef, so it’ll soak up that energy. Winds are dead calm, so it’ll be clean as a whistle. This is a high-quality option for advanced surfers—it’s a reef break, it’s fairly consistent, and with that long period, the sets will have some punch and shape. The water temp is about 68°, which is pretty normal for this time of year.
The second little window is the following weekend. Saturday the 19th and Sunday the 20th show some promise. Saturday afternoon has a 3ft swell from the WNW with a very long 13-second period, but it’s a cross-shore wind, so not perfect. The real looker is Sunday the 20th morning—glassy, a little 3ft swell from the WNW, and a clean face. It’s small, but it’s the kind of morning you’d have the place to yourself if you’re keen.
Beyond that, into the third week, there’s a flicker on Wednesday the 23rd. That afternoon shows a 5ft NW swell with a massive 17-second period and a combined energy of 1225 (strong). The wind is light cross-shore, and it’s a reef break, so that long period is a bonus. It’s far out, so take it with a pinch of salt, but it’s got the bones of something special.
No other standouts. The first week is a write-off; you’ve got a gap of five days from the 8th to the 12th with no worthwhile surf. For the rest, it’s mostly small or windy. Sunday the 13th morning is your best bet—get in early, it’ll be worth it.
Rusty.
Short Range ForecastMostly dry. Warm (max 21°C on Thu morning, min 18°C on Tue night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 29°C on Sun morning, min 18°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||||
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 | NW 9 | NW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 11 | NNW 10 | NNW 7 | NNW 6 | NNW 6 | NNW 8 | NNW 8 | NW 15 | NW 13 | NW 12 | NW 12 | NNW 11 | NW 11 | NW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 302 | 241 | 126 | 307 | 392 | 419 | 319 | 260 | 223 | 163 | 155 | 114 | 220 | 176 | 174 | 543 | 520 | 503 | 411 | 229 | 117 |
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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | on | cross-on | glassy | cross-on | cross-on | glassy | cross-on | cross-on |
High Tide | 1:28PM2.77m | 2:02AM2.63m | 2:16PM3.00m | 2:45AM2.80m | 2:59PM3.15m | 3:25AM2.92m | 3:38PM3.21m | 4:01AM2.96m | 4:15PM3.17m | 4:36AM2.94m | 4:51PM3.04m | 5:10AM2.86m | 5:26PM2.85m | ||||||||
Low Tide | 7:52PM0.27m | 8:03AM0.35m | 8:37PM0.08m | 8:45AM0.17m | 9:16PM-0.04m | 9:25AM0.07m | 9:53PM-0.07m | 10:02AM0.03m | 10:27PM-0.02m | 10:38AM0.08m | 11:00PM0.11m | 11:13AM0.19m | 11:32PM0.29m | ||||||||
 | |  |  | |  | | | | | | | | | | | | | | | | |
 | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:16 | — | — |
 | — | 7:58 | — | — | 7:55 | — | — | 7:54 | — | — | 7:52 | — | — | 7:51 | — | — | 7:50 | — | — | 7:47 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 20 | 19 | 19 | 18 | 21 | 20 | 18 | 21 | 21 | 20 | 26 | 24 | 25 | 29 | 26 | 25 | 26 | 24 | 22 |
Feels °C | 18 | 19 | 20 | 15 | 14 | 14 | 18 | 16 | 14 | 18 | 18 | 20 | 25 | 23 | 23 | 27 | 24 | 24 | 25 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | NW 9 | NW 9 | N 13 | N 15 | NNW 12 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | W 7 | N 9 | NNW 8 | NNW 8 | NNW 7 | NW 13 | NW 12 | NW 12 | NNW 11 | NW 11 | NW 10 |
| kJ | 302 | 241 | 126 | 4 | 4 | 85 | 239 | 260 | 223 | 100 | 4 | 16 | 220 | 176 | 147 | 543 | 520 | 503 | 411 | 229 | 117 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 13 | N 15 | NW 10 | NNW 9 | WNW 7 | W 7 | W 7 | W 8 | W 8 | WNW 10 | WNW 9 | NW 15 | NNW 7 | NNW 8 | NNW 7 | WNW 9 | NNW 7 | NNW 6 |
| kJ | — | — | — | 4 | 4 | 38 | 30 | 11 | 9 | 4 | 6 | 5 | 51 | 49 | 174 | 94 | 138 | 62 | 26 | 42 | 11 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 11 | NW 11 | NW 10 | WNW 9 | — | W 11 | SW 13 | NW 18 | WNW 9 | W 9 | S 12 | S 11 | S 11 | W 9 | WNW 8 |
| kJ | — | — | — | — | — | — | 2 | 4 | 4 | 8 | — | 9 | 7 | 12 | 46 | 40 | 3 | 2 | 2 | 39 | 23 |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 4 | — | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | — | — | — | — | — | — | — | — | — |
| kJ | 24 | 16 | — | 307 | 392 | 419 | 319 | 249 | 181 | 163 | 155 | 114 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 34 | 418 | 132 | 247 | 399 | 132 | 34 | 442 | 36 | 51 | 223 | 36 | 0 | 36 | 34 | 0 | 41 | 12 | 0 | 196 | 32 |
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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