Surf Forecasts:
Reef surf forecast from 14 Aug 2026:
- Most powerful swell: Saturday 15 Aug, 1AM (local time) - 4.5ft (1.4m), 6s period, NNW swell with 132 kJ wave energy.
Best Forecast Surf Conditions for Reef this week:
The most powerful waves expected at Reef in the next 16 days are 1.4m 6s and forecast to arrive on Saturday (Aug 15) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 8s period and expected on Saturday (Aug 15) at 7PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1AM (Sat 15th Aug) | 4.5ft (1.4m) 6s |
Table - best surf conditions forecast for Reef over the next 16 days.
The Lowdown
Alright, Rusty here. Let's have a look at what's on the table for the next couple of weeks.
Well, I gotta be straight with you—this is a tough one. The forecast is a real dry spell for the most part. We're looking at a long stretch of nothing much, with only a couple of late blips that might get the heart rate up. The first few days are a write-off, with minimal swell and poor conditions. There's a bit of a gap from the start all the way through to the end of the first week and into the second, with no real surf to speak of.
The first real sign of life is around Monday, August 24th, but even then, it's a bit of a mixed bag. The afternoon sees a jump in the swell, but it's a short period, cross-shore wind, and the combined energy is moderate (453). Not the sort of thing that'll have you cancelling your plans.
The standout, and I mean the only real standout in this whole 16-day window, is looking at Friday, August 28th. The swell finally builds, with waves coming in at 6 ft to 7 ft from the northwest. The period is a solid 11 seconds, which is a proper groundswell with some good energy behind it. The combined energy is strong (828 to 935). Now, this is a solid size, over 5 ft, so it's not for the groms. It's pushing into that expert-only territory, especially at a reef break like this. The wind is a cross-shore, which is okay, but it'll be a bit lumpy. For a reef, that long period swell should wrap in nicely, giving some proper shaped waves. The water temp is 69°, which is pretty normal for this time of year, so no surprises there.
Keep in mind, this is a week and a half out, so it's a promising forecast but not a guarantee. The conditions before that are pretty grim, so don't hold your breath for anything else.
Rusty, signing off.
Short Range ForecastMostly dry. Warm (max 25°C on Sun morning, min 20°C on Fri night). Winds decreasing (fresh winds from the NNW on Fri night, calm by Sun night). | Days 4-6 Weather SummaryMostly dry. Warm (max 29°C on Mon morning, min 20°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||
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 9 | WNW 9 | NNW 6 | NNW 8 | SW 18 | S 18 | SW 16 | SW 16 | SW 15 | SW 18 | SW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SW 14 | SSW 14 | WNW 9 | WNW 9 | WNW 9 | WNW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 130 | 127 | 132 | 0 | 12 | 6 | 10 | 11 | 9 | 13 | 9 | 26 | 25 | 24 | 21 | 33 | 20 | 32 | 43 | 45 | 45 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross | glassy | cross-on | cross-off | glassy | on | glassy | cross | cross-on | glassy | cross | cross-on | glassy | cross-on | on | cross |
High Tide | 4:42PM3.25m | 5:07AM2.90m | 5:22PM3.14m | 5:45AM2.80m | 6:01PM2.95m | 6:23AM2.67m | 6:40PM2.71m | 7:02AM2.50m | 7:21PM2.44m | 7:44AM2.32m | 8:08PM2.18m | 8:37AM2.15m | 9:12PM1.98m | ||||||||
Low Tide | 10:26AM0.04m | 10:58PM-0.07m | 11:05AM0.09m | 11:36PM0.05m | 11:44AM0.20m | 00:12AM0.24m | 12:23PM0.38m | 00:49AM0.46m | 1:04PM0.59m | 1:27AM0.69m | 1:50PM0.80m | 2:12AM0.91m | 2:50PM1.00m | 3:15AM1.09m | |||||||
 |  |  | | | | | |  | | | | | | | | | |  | | | |
 | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 8:34 | — | — | 8:32 | — | — | 8:31 | — | — | 8:30 | — | — | 8:29 | — | — | 8:28 | — | — | 8:25 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 22 | 22 | 21 | 22 | 22 | 20 | 25 | 24 | 22 | 29 | 25 | 25 | 25 | 24 | 21 | 23 | 23 | 21 | 23 | 22 | 21 |
Feels °C | 21 | 20 | 18 | 20 | 21 | 18 | 27 | 24 | 21 | 28 | 25 | 28 | 24 | 23 | 22 | 23 | 23 | 24 | 24 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 9 | — | SW 18 | S 18 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 6 | WNW 9 | WNW 9 | NNW 7 |
| kJ | 130 | 127 | 119 | — | 12 | 6 | 656 | 422 | 277 | 385 | 344 | 250 | 291 | 244 | 163 | 97 | 64 | 12 | 43 | 45 | 36 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 16 | SW 16 | SW 15 | SW 15 | W 9 | SSW 16 | WNW 8 | SSW 16 | WNW 8 | WNW 8 | WNW 10 | WNW 9 | NW 5 | NW 10 | WNW 9 |
| kJ | — | — | — | — | — | — | 10 | 11 | 9 | 9 | 2 | 26 | 6 | 24 | 7 | 12 | 9 | 32 | 7 | 26 | 45 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SW 18 | SW 15 | W 8 | SSW 16 | WNW 8 | SSW 15 | SW 14 | SSW 14 | NNW 7 | NNW 11 | SSW 13 | NNW 9 |
| kJ | — | — | — | — | — | — | — | — | — | 13 | 9 | 5 | 25 | 6 | 21 | 33 | 20 | 9 | 24 | 17 | 32 |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 6 | NNW 6 | NNW 8 | NNW 8 | NNW 9 | — | — | — | — | — | — | — | SW 3 | — | — | SSW 3 | — | — | NW 5 | — |
| kJ | 58 | 84 | 132 | 545 | 704 | 815 | — | — | — | — | — | — | — | 5 | — | — | 1 | — | — | 6 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 35 | 579 | 224 | 140 | 565 | 34 | 1 | 199 | 1 | 1 | 43 | 1 | 1 | 407 | 1 | 1 | 29 | 1 | 38 | 310 | 38 |
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.
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