Surf Forecasts:
Reef surf forecast from 31 Jul 2026:
- Best quality surf: Tuesday 4 Aug, 7AM (local time) - 3.5ft (1.0m), 9s period, W swell with glassy winds.
- Most powerful swell: Tuesday 4 Aug, 4AM (local time) - 3.5ft (1.0m), 9s period, W swell with 158 kJ wave energy.
- Next surfable swell (1★+): Tuesday 4 Aug, 7AM (local time) - 3.5ft (1.0m), 9s period with W 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 Tuesday (Aug 04) at 7AM. The primary swell is predicted to be 1.0m and 9s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Reef in the next 16 days are 1.0m 9s and forecast to arrive on Tuesday (Aug 04) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 7s period and expected on Sunday (Aug 02) at 1PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Tue 4th Aug) | 3.5ft (1.0m) 9s |
| Best Surf | 7AM (Tue 4th Aug) | 3.5ft (1.0m) 9s |
| Most Powerful | 4AM (Tue 4th Aug) | 3.5ft (1.0m) 9s |
Table - best surf conditions forecast for Reef over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s comin’ our way.
Honestly, it’s a tough stretch. We’re lookin’ at a long, drawn-out lull with hardly any proper surf on offer. The first real sniff of something worthwhile doesn’t show up until Tuesday the 4th of August, but even then it’s barely a whisper. Before that, from Friday the 31st of July right through to Monday the 3rd, it’s flat or junk – cross-shore winds, choppy mess, and tiny swell. Just a write-off.
The highlight, and I mean the only real standout in this whole 16-day window, is Reef on Tuesday the 4th of August. We’ve got a morning session with glassy conditions – that’s clean, no wind chop – and a tiny 0.9m swell out of the WNW. That’s about 3ft. The period is a modest 8 seconds, so it’s not gonna have much punch, but combined wave energy sits at 127 (moderate). It’s not big, it’s not powerful, but for a stretch that’s otherwise dead, it’s the best you’ll get. Winds are glassy, so it’ll be clean. The crowd factor is worth noting though – this spot is often busy, so you won’t be alone out there.
After that little window, it’s back to the doldrums. Wednesday the 5th through Monday the 10th – nothing but tiny, weak swell and poor conditions. The period around the 9th and 10th shows a 0.1m swell from the south, but with combined energy of just 3 (weak), it’s not even worth paddling out for. That’s about 0.3ft. Total flat spell. The second week is a write-off too, with a few days of tiny, choppy slop and strong winds. By Saturday the 15th, we get a little 0.2m swell from the south with a longer 12-second period and clean offshore winds from the ENE, but it’s so small you’d be lucky to get a knee-high ripple – that’s about 0.7ft.
All in all, mark your calendar for Tuesday the 4th of August morning at Reef. It’s not a classic, but it’s the only game in town. The rest of the outlook? A long, dusty gap.
Rusty.
Short Range ForecastMostly dry. Warm (max 22°C on Sat morning, min 17°C on Thu night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 23°C on Tue morning, min 19°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | |||||||||||||||
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 | NNW 4 | NNW 6 | W 9 | W 9 | NNW 6 | NNW 6 | W 10 | W 10 | W 9 | WNW 9 | W 9 | WNW 8 | WNW 8 | W 8 | W 8 | W 8 | WNW 10 | W 10 | W 10 | W 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 16 | 28 | 87 | 78 | 73 | 68 | 56 | 70 | 67 | 60 | 65 | 154 | 120 | 112 | 84 | 45 | 74 | 33 | 50 | 50 | 47 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | glassy | on | cross-on | cross-on | cross-on | cross | cross | cross | cross |
High Tide | 4:34AM2.62m | 4:47PM2.90m | 5:06AM2.63m | 5:19PM2.89m | 5:39AM2.62m | 5:53PM2.84m | 6:15AM2.58m | 6:29PM2.74m | 6:54AM2.52m | 7:11PM2.61m | 7:40AM2.43m | 8:02PM2.45m | 8:38AM2.33m | 9:08PM2.30m | |||||||
Low Tide | 10:31AM0.33m | 11:00PM0.26m | 11:03AM0.32m | 11:32PM0.26m | 11:37AM0.35m | 00:06AM0.30m | 12:13PM0.42m | 00:43AM0.38m | 12:54PM0.52m | 1:25AM0.50m | 1:43PM0.64m | 2:17AM0.64m | 2:47PM0.76m | 3:24AM0.77m | |||||||
 | |  | |  | | | |  | | | | | | | | | | | | | |
 | 6:37 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — |
 | — | 8:50 | — | — | 8:49 | — | — | 8:47 | — | — | 8:46 | — | — | 8:45 | — | — | 8:45 | — | — | 8:44 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 18 | 22 | 22 | 19 | 21 | 21 | 20 | 22 | 22 | 21 | 23 | 23 | 21 | 22 | 21 | 20 | 23 | 23 | 20 |
Feels °C | 18 | 18 | 15 | 21 | 21 | 18 | 20 | 19 | 20 | 21 | 22 | 23 | 23 | 23 | 22 | 22 | 20 | 19 | 21 | 21 | 19 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 10 | NNW 6 | W 9 | WNW 9 | W 9 | WNW 8 | WNW 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 10 | W 6 |
| kJ | 16 | 16 | 87 | 78 | 73 | 57 | 56 | 70 | 26 | 60 | 65 | 154 | 120 | 112 | 84 | 45 | 74 | 26 | 22 | 50 | 19 |
Swell 2 Height (m) Direction Period (s) | NW 8 | WNW 11 | NNW 11 | NNW 10 | NNW 9 | NNW 8 | N 8 | — | W 10 | NNW 5 | NNW 7 | N 8 | N 8 | N 10 | N 9 | WNW 10 | N 8 | WNW 10 | W 10 | NW 7 | W 10 |
| kJ | 15 | 23 | 12 | 20 | 26 | 37 | 41 | — | 67 | 5 | 11 | 5 | 5 | 2 | 7 | 32 | 6 | 33 | 50 | 13 | 47 |
Swell 3 Height (m) Direction Period (s) | W 12 | N 12 | N 8 | NNW 8 | — | — | — | — | NNW 8 | NNW 7 | N 4 | SW 13 | SW 13 | SW 13 | NW 11 | NNW 9 | NNW 10 | NNW 8 | NNW 7 | N 8 | NW 7 |
| kJ | 3 | 3 | 1 | 7 | — | — | — | — | 11 | 10 | 2 | 7 | 7 | 7 | 5 | 16 | 9 | 7 | 5 | 5 | 13 |
Wind waves Height (m) Direction Period (s) | NNW 4 | NNW 4 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | — | — | SW 3 | — | — | — | — | — | — | — | — | W 6 | — |
| kJ | 12 | 28 | 69 | 66 | 90 | 68 | 53 | 96 | — | — | 2 | — | — | — | — | — | — | — | — | 28 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 143 | 430 | 32 | 32 | 430 | 32 | 35 | 400 | 38 | 86 | 405 | 32 | 0 | 32 | 32 | 32 | 443 | 32 | 32 | 431 | 32 |
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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