Surf Forecasts:
The Box surf forecast from 11 Sep 2026:
- Most powerful swell: Thursday 17 Sep, 8PM (local time) - 2ft (0.6m), 8s period, NE swell with 40 kJ wave energy.
Best Forecast Surf Conditions for The Box this week:
The most powerful waves expected at The Box in the next 16 days are 0.6m 8s and forecast to arrive on Thursday (Sep 17) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Tuesday (Sep 15) at 5PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Thu 17th Sep) | 2ft (0.6m) 8s |
Table - best surf conditions forecast for The Box over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s talk about The Box.
We’ve got a pretty bleak run of nothing. The first two weeks are a total write-off – no swell, no hope.
The only morsel of action comes right at the end of the period. On the morning of September 25th, a tiny 0.7ft NNE swell shows up, but it’s got next to no energy. Not worth it. Later that same Friday afternoon, the swell picks up a bit to 5ft from the NNE, with a short period of 5 seconds. The wave energy is still weak (96). Winds are side-offshore, keeping it clean, but the short period and small size mean it’s just a novelty.
On the morning of September 26th, Saturday, we get a bigger pulse: 6ft from the NE with a period of 8 seconds. The energy is moderate (449). But the wind swings cross-shore at 12 mph, messing up the face. For an advanced, inconsistent break like The Box (United States), this is messy and better suited for kite gear. The water temp is about average for this time of year, nothing crazy.
It’s a long dry spell. Nothing to get excited about.
- Rusty
Short Range ForecastMostly dry. Warm (max 25°C on Fri afternoon, min 22°C on Sun morning). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 27°C on Tue morning, min 23°C on Mon morning). Winds decreasing (fresh winds from the S on Tue afternoon, calm by Wed morning). | ||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||
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) | NE 8 | NE 7 | NE 7 | SE 4 | NE 7 | NE 6 | NE 5 | SE 5 | NE 6 | NE 5 | NE 4 | NE 4 | SW 3 | SSW 3 | S 4 | S 4 | SSE 3 | SSE 3 | NE 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 57 | 18 | 7 | 7 | 2 | 2 | 1 | 0 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | on | on | glassy | cross | cross-on | glassy | cross-off | cross | cross-off | cross-off | cross-off | cross-off | off | cross-on | cross-on |
High Tide | 10:14PM0.12m | 8:57AM0.04m | 10:45PM0.11m | 10:50AM0.05m | 11:17PM0.09m | 11:55AM0.07m | 11:38PM0.08m | 12:46PM0.08m | 11:43PM0.06m | 1:40PM0.09m | 2:27PM0.10m | ||||||||
Low Tide | 7:56AM0.04m | 2:09PM0.03m | 6:49AM0.04m | 3:37PM0.04m | 6:20AM0.04m | 5:19PM0.05m | 6:05AM0.04m | 7:14PM0.05m | 5:51AM0.04m | 5:42AM0.03m | |||||||||
 | | |  | | | | | | | | | | | | | | |  | |
 | — | 7:35 | — | — | 7:37 | — | — | 7:37 | — | — | 7:39 | — | — | 7:39 | — | — | 7:39 | — | — |
 | 8:15 | — | 8:14 | — | — | 8:13 | — | — | 8:10 | — | — | 8:09 | — | — | 8:07 | — | — | 8:06 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 25 | 24 | 24 | 26 | 25 | 27 | 27 | 25 | 24 | 26 | 25 |
Feels °C | 23 | 26 | 24 | 24 | 24 | 23 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 22 | 22 | 26 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | NE 8 | NE 7 | NE 6 | SE 5 | SE 5 | SE 4 | SE 5 | SE 5 | SE 6 | SE 5 | ESE 4 | NE 4 | — | — | — | N 5 | — | — | SE 4 |
| kJ | 57 | 18 | 5 | 5 | 5 | 5 | 14 | 14 | 15 | 6 | 2 | 1 | — | — | — | 1 | — | — | 6 |
Swell 2 Height (m) Direction Period (s) | ESE 5 | ESE 5 | NE 7 | NE 5 | NE 7 | ESE 6 | NE 5 | — | NE 6 | NE 5 | NE 4 | NE 4 | — | — | — | — | — | — | NE 4 |
| kJ | 13 | 9 | 7 | 1 | 2 | 3 | 1 | — | 2 | 1 | 1 | 1 | — | — | — | — | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | SW 6 | — | — | — | NE 4 | NE 6 | — | — | — | — | — | — | — | — | — | — | — | — | NE 9 |
| kJ | 2 | — | — | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
Wind waves Height (m) Direction Period (s) | SE 5 | — | SE 5 | SE 4 | — | — | — | — | — | — | — | SE 4 | SW 3 | SSW 3 | S 4 | S 4 | SSE 3 | SSE 3 | — |
| kJ | 12 | — | 6 | 7 | — | — | — | — | — | — | — | 1 | 2 | 3 | 12 | 9 | 2 | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 40 | 538 | 571 | 538 | 538 | 629 | 461 | 418 | 543 | 418 | 418 | 504 | 538 | 664 | 706 | 600 | 538 | 629 | 294 |
Best forecast wave conditions in Valencia | |||||||||||||||||||
Best forecast wave conditions in Spain (Europe) | |||||||||||||||||||
Header Global | |||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our The Box 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 The Box Surf forecast
The above surf forecast table for The Box provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Box can be found by selecting the local surf guide option on the grey menu. Our The Box 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 (The Box) 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 The Box 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.
The Box is 4 km (2 miles) from Javea. If you plan a holiday in Valencia, look for hotels and other accommodation in Javea. Javea has rooms for a wide range of budgets as well as car hire and transport links.
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