
Surf Forecasts:
Reef surf forecast from 3 Sep 2026:
- Best quality surf: Friday 4 Sep, 1AM (local time) - 2.5ft (0.7m), 9s period, WNW swell with cross-offshore winds.
- Most powerful swell: Monday 7 Sep, 1PM (local time) - 5ft (1.5m), 12s period, WNW swell with 603 kJ wave energy.
- Next surfable swell (1★+): Friday 4 Sep, 1AM (local time) - 2.5ft (0.7m), 9s period with WNW swell.
Best Forecast Surf Conditions for Reef this week:
The surf forecast for Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 04) at 1AM. The primary swell is predicted to be 0.7m and 9s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Reef in the next 16 days are 1.5m 12s and forecast to arrive on Monday (Sep 07) at 1PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 8s period and expected on Wednesday (Sep 09) at 1AM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Fri 4th Sep) | 2.5ft (0.7m) 9s |
| Best Surf | 1AM (Fri 4th Sep) | 2.5ft (0.7m) 9s |
| Most Powerful | 1PM (Mon 7th Sep) | 5ft (1.5m) 12s |
Table - best surf conditions forecast for Reef over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s be straight with you – we’ve got a long stretch of very ordinary conditions ahead before we see anything worth paddling out for. The forecast for Reef is a tough one for the next week and a half. The water temp is sitting at 69°, which is pretty much bang on average for this time of year, so at least you won’t freeze while you’re sitting there waiting for a decent wave.
The first chunk of the outlook is a write-off. From Thursday the 3rd right through to Saturday the 12th of September, it’s a real battle. The swell is tiny, the period is short, and the wind is mostly cross or cross-on, making a mess of things. You’ll see combined energy numbers barely cracking 100 (like 40 on Thursday morning, 67 Thursday afternoon), which is just weak sauce. Even when the swell tries to push up to 5ft on Monday the 7th, the energy jumps to 677, but the wind is a fresh cross-shore, ruining any chance of a clean wave. That setup is all chop and lump – honestly, more interesting for kite surfing than a proper paddle session.
We do get a little glimmer on Friday the 4th afternoon with glassy conditions, but the swell is only 2ft with a weak 8-second period – surfable, but nothing to write home about. The energy is only 84. It’s a tease.
Then, the real news. The standout window opens up on Sunday the 13th of September. Sunday morning is looking tasty. The wind goes glassy, and we’ve got a solid 3ft swell from the NW with a very long period of 16 seconds. That’s a groundswell, and the combined energy hits 592 (moderate). This is a long-period swell, so at Reef, being a reef break, it should handle that energy well and offer some proper, clean lines. The wind is dead calm, so it’ll be glassy perfection. Keep in mind, this is a week and a half away, so it’s promising but not a guarantee yet. The Monday morning the 14th is also a good call – 5ft from the NW at 11 seconds, with a clean cross-off breeze from the NNE. Combined energy is 517. Those two sessions are the only real standouts.
After that, the surf drops back into the doldrums, with small, weak swells and onshore winds through the rest of the second week. If you’re a beginner, avoid the 5ft days on the 7th, and anything over 3ft at this spot is for the advanced crew only. The long-period swell on the 13th will have long lulls between sets, but when it comes, it’ll be worth the wait.
So, to sum it up: a long, dry spell, then a couple of potential gems on the 13th and 14th of September. Keep your eyes on the forecast for that Sunday.
Rusty.
Short Range ForecastMostly dry. Warm (max 31°C on Thu afternoon, min 20°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Sun afternoon, min 17°C on Mon night). Mainly fresh winds. | |||||||||||||||||||
Thu 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | ||||||||||||||
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 8 | WNW 9 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | NW 9 | NW 13 | WNW 9 | WNW 9 | WNW 14 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | NW 9 | NNW 8 | NNW 8 | NNW 8 | W 8 |
Wave Graph | ||||||||||||||||||||
47 | 65 | 59 | 59 | 101 | 101 | 120 | 494 | 106 | 64 | 301 | 557 | 553 | 412 | 327 | 216 | 0 | 0 | 0 | 4 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-on | on | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 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 | 1:28PM2.77m | 2:02AM2.63m | 2:16PM3.00m | 2:45AM2.80m | |||||||
Low Tide | 1:49AM0.71m | 2:31PM0.77m | 3:05AM0.89m | 4:07PM0.85m | 4:44AM0.93m | 5:46PM0.74m | 6:11AM0.79m | 6:58PM0.51m | 7:13AM0.57m | 7:52PM0.27m | 8:03AM0.35m | 8:37PM0.08m | ||||||||
— | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — | |
8:06 | — | — | 8:04 | — | — | 8:01 | — | — | 8:00 | — | — | 7:59 | — | — | 7:58 | — | — | 7:55 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 31 | 26 | 25 | 25 | 24 | 27 | 28 | 21 | 23 | 22 | 19 | 22 | 21 | 18 | 19 | 20 | 18 | 20 | 20 | 17 |
Feels °C | 28 | 25 | 24 | 24 | 22 | 24 | 24 | 20 | 22 | 20 | 18 | 20 | 19 | 16 | 14 | 16 | 15 | 18 | 17 | 14 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | NNW 6 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | NW 9 | NW 13 | NNW 12 | NNW 11 | NNW 10 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | NW 9 | — | NNW 13 | NNW 12 | W 8 |
47 | 36 | 59 | 59 | 101 | 101 | 120 | 494 | 464 | 323 | 185 | 557 | 553 | 412 | 327 | 216 | — | 69 | 243 | 4 | |
Swell 2 Height (m) Direction Period (s) | SSW 14 | WNW 9 | NNW 5 | NW 10 | SW 13 | N 5 | NW 15 | NW 9 | WNW 9 | WNW 9 | WNW 14 | NNW 10 | — | — | — | — | — | — | — | — |
20 | 65 | 14 | 25 | 7 | 13 | 113 | 132 | 106 | 64 | 301 | 63 | — | — | — | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SW 13 | SW 13 | N 12 | NW 16 | SW 12 | N 10 | N 6 | W 17 | WNW 9 | — | — | — | — | — | — | — | — | — |
20 | 19 | 7 | 7 | 3 | 11 | 6 | 2 | 1 | 6 | 65 | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | NNW 7 | — | — | NW 5 | NNW 5 | NNW 5 | N 5 | NNW 4 | — | NNW 4 | NNW 5 | NNW 5 | NNW 4 | NNW 6 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 11 |
77 | — | — | 12 | 19 | 14 | 14 | 7 | — | 12 | 30 | 37 | 52 | 146 | 247 | 219 | 476 | 475 | 327 | 815 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 32 | 0 | 32 | 241 | 0 | 0 | 222 | 32 | 32 | 221 | 32 | 32 | 400 | 35 | 144 | 400 | 236 | 140 | 400 | 34 |
Best forecast wave conditions in Ericeira | ||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||
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Information about the Reef Surf forecast
The above surf forecast table for Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Reef can be found by selecting the local surf guide option on the grey menu. Our Reef 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 (Reef) 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 Reef 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 Reef, camping, hotels and holiday cottages in Ericeira, consider staying in Torres Vedras which is 19 km (12 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.










