Surf Forecasts:
Cave surf forecast from 11 Nov 2026:
- Best quality surf: Friday 13 Nov, 6PM (local time) - 7ft (2.2m), 9s period, W swell with cross-onshore winds.
- Most powerful swell: Wednesday 18 Nov, 6AM (local time) - 20ft (6.0m), 17s period, WNW swell with 19,454 kJ wave energy.
- Next surfable swell (1★+): Friday 13 Nov, 6PM (local time) - 7ft (2.2m), 9s period with W swell.
Best Forecast Surf Conditions for Cave this week:
The surf forecast for Cave over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Nov 13) at 6PM. The primary swell is predicted to be 2.2m and 9s period with a secondary swell of 1.3m and 12s. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Cave in the next 16 days are 6.0m 17s and forecast to arrive on Wednesday (Nov 18) at 6AM. 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 2s period and expected on Tuesday (Nov 24) at 12AM.
| Wave Type | Time (WET) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Fri 13th Nov) | 7ft (2.2m) 9s |
| Best Surf | 6PM (Fri 13th Nov) | 7ft (2.2m) 9s |
| Most Powerful | 6AM (Wed 18th Nov) | 20ft (6.0m) 17s |
Table - best surf conditions forecast for Cave over the next 16 days.
Short Range ForecastHeavy rain (total 38mm), heaviest during Wed afternoon. Very mild (max 18°C on Wed night, min 17°C on Wed afternoon). Mainly fresh winds. | Days 5-7 Weather SummaryHeavy rain (total 25mm), heaviest during Sun night. Very mild (max 19°C on Mon morning, min 16°C on Sat afternoon). Winds increasing (calm on Sat night, strong winds from the SW by Sun night). | |||||||||||||||||||
Wed 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | ||||||||||||||
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 12 | WNW 11 | SW 11 | WNW 10 | WNW 10 | WSW 13 | W 9 | WSW 12 | W 8 | W 7 | W 7 | WSW 10 | W 9 | W 11 | WNW 11 | W 12 | W 12 | W 12 | W 12 | WNW 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1649 | 1324 | 1536 | 1254 | 1300 | 1573 | 909 | 288 | 320 | 206 | 152 | 123 | 269 | 924 | 2070 | 6617 | 4454 | 4600 | 6019 | 6706 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | on | on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:36PM2.59m | 3:49AM2.72m | 4:11PM2.46m | 4:25AM2.61m | 4:49PM2.32m | 5:04AM2.48m | 5:30PM2.17m | 5:49AM2.35m | 6:19PM2.04m | 6:42AM2.23m | 7:21PM1.95m | 7:47AM2.17m | 8:34PM1.94m | |||||||
Low Tide | 9:33PM0.46m | 10:01AM0.43m | 10:07PM0.57m | 10:39AM0.56m | 10:44PM0.69m | 11:20AM0.71m | 11:24PM0.82m | 12:09PM0.84m | 00:13AM0.95m | 1:08PM0.94m | 1:14AM1.03m | 2:17PM0.96m | 2:28AM1.06m | |||||||
 |  | | | | |  |  | | |  | |  |  | |  | |  |  |  | |
 | — | — | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — | 7:20 | — | — | 7:22 | — | — |
 | 5:27 | — | — | 5:25 | — | — | 5:24 | — | — | 5:23 | — | — | 5:23 | — | — | 5:22 | — | — | 5:22 | — |
mm | 11 | 2 | 2 | 1 | 4 | 1 | 1 | 8 | 8 | 1 | — | 1 | — | 10 | 4 | 2 | 7 | — | 9 | 13 |
Temp °C | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 18 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 17 |
Feels °C | 13 | 14 | 13 | 13 | 14 | 14 | 15 | 15 | 15 | 15 | 16 | 15 | 14 | 13 | 15 | 18 | 18 | 16 | 15 | 16 |
Swell 1 Height (m) Direction Period (s) | WNW 12 | SSW 10 | SW 11 | WNW 10 | WNW 10 | WNW 10 | W 9 | WNW 8 | W 8 | W 7 | W 7 | WSW 10 | W 9 | W 11 | WNW 11 | W 12 | W 12 | NNW 15 | W 12 | WNW 13 |
| kJ | 1649 | 961 | 1536 | 1244 | 1300 | 1080 | 909 | 235 | 320 | 206 | 152 | 123 | 269 | 924 | 2070 | 6617 | 4454 | 42 | 6019 | 6706 |
Swell 2 Height (m) Direction Period (s) | SSW 8 | WNW 11 | WNW 11 | SW 10 | WSW 15 | WSW 13 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 10 | WSW 7 | WNW 12 | WSW 9 | — | — | — | — | — | NNW 12 |
| kJ | 758 | 1324 | 1268 | 1254 | 135 | 1573 | 539 | 288 | 210 | 156 | 102 | 50 | 49 | 28 | — | — | — | — | — | 30 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SW 18 | WSW 16 | — | NNW 11 | NNW 10 | NNW 9 | N 9 | NNW 6 | WNW 7 | NNW 11 | N 10 | — | — | — | — | — | — |
| kJ | — | — | — | 12 | 97 | — | 24 | 102 | 110 | 59 | 13 | 42 | 23 | 7 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SW 10 | — | — | WSW 8 | NW 8 | — | — | — | — | — | SW 8 | — | — | W 12 | — | — |
| kJ | — | — | — | — | 970 | — | — | 224 | 129 | — | — | — | — | — | 843 | — | — | 4600 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 106 | 284 | 404 | 404 | 406 | 143 | 404 | 143 | 44 | 139 | 22 | 42 | 432 | 509 | 541 | 284 | 542 | 542 | 507 | 1 |
Best forecast wave conditions in Ericeira | ||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Cave Surf forecast
The above surf forecast table for Cave provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cave can be found by selecting the local surf guide option on the grey menu. Our Cave 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 (Cave) 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 Cave 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 Cave, 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 21 km (13 miles) away, Rio de Mouro, Cacem and Loures.
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