Surf Forecasts:
Arrifana surf forecast from 28 Aug 2026:
- Best quality surf: Thursday 3 Sep, 4AM (local time) - 5.5ft (1.7m), 8s period, NNW swell with cross-offshore winds.
- Most powerful swell: Friday 28 Aug, 10PM (local time) - 7ft (2.1m), 11s period, NW swell with 1,028 kJ wave energy.
- Next surfable swell (1★+): Thursday 3 Sep, 4AM (local time) - 5.5ft (1.7m), 8s period with NNW swell.
Best Forecast Surf Conditions for Arrifana this week:
The surf forecast for Arrifana over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 03) at 4AM. The primary swell is predicted to be 1.7m and 8s period with a secondary swell of 0.1m and 14s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Arrifana in the next 16 days are 2.1m 11s and forecast to arrive on Friday (Aug 28) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Sunday (Aug 30) at 1AM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Thu 3rd Sep) | 5.5ft (1.7m) 8s |
| Best Surf | 4AM (Thu 3rd Sep) | 5.5ft (1.7m) 8s |
| Most Powerful | 10PM (Fri 28th Aug) | 7ft (2.1m) 11s |
Table - best surf conditions forecast for Arrifana over the next 16 days.
The Lowdown
G’day, Rusty here. Let’s suss out Arrifana. Mixed bag, but there’s a couple of pockets worth your time.
Kicking off Friday morning the 28th of August, we’ve got a solid 7ft swell from the WNW with a 10-second period. Water temp is 69°, a bit colder than usual for the season. Winds are light north at 3 mph, cross-off, keeping it glassy. Combined swell energy is moderate at 959. This is the one to chase – clean, powerful lines for the advanced crew. Crowds are possible, so get in early.
Friday afternoon the wind ramps to 16 mph from the NNW, still cross-off, and the swell pushes to 7ft with an 11-second period. Energy climbs to 1123. Still a good session but that wind will ruffle it a touch.
Saturday the 29th drops. Morning sees 6ft from the NW, but north wind at 12 mph. Afternoon goes to 5ft and messy. Sunday through Wednesday is pretty flat and choppy – not worth the hassle.
Thursday the 10th of September, a new pulse rolls in. Thursday morning gives 7ft from the NNW, short 8-second period, but light north winds at 9 mph keeping it clean. Energy at 559. Another solid window for the experienced. Thursday afternoon the wind picks up but still cross-off.
Friday the 11th holds 6ft from the NNW with light winds in the morning. Then it fades into small, onshore crap through the end.
Bottom line: Friday morning the 28th is the standout, with Thursday the 10th morning as a solid backup. The rest is a skip. Rusty out.
Short Range ForecastMostly dry. Warm (max 24°C on Sun morning, min 17°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 27°C on Thu morning, min 16°C on Tue night). Winds decreasing (fresh winds from the NNW on Tue afternoon, calm by Thu morning). | |||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | ||||||||||||||
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 11 | NW 10 | NW 10 | NW 9 | NNW 8 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NNW 7 | NW 9 | NW 9 | NNW 8 | NW 8 | NW 8 | NW 8 | NNW 8 | NNW 8 | NNW 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1123 | 910 | 535 | 365 | 120 | 192 | 216 | 193 | 152 | 156 | 282 | 212 | 550 | 491 | 353 | 314 | 368 | 193 | 150 | 98 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-off |
High Tide | 3:49AM2.72m | 4:01PM2.97m | 4:21AM2.76m | 4:34PM2.95m | 4:54AM2.76m | 5:08PM2.88m | 5:29AM2.70m | 5:46PM2.74m | 6:09AM2.59m | 6:30PM2.55m | 6:56AM2.44m | 7:25PM2.32m | ||||||||
Low Tide | 9:41PM0.13m | 9:47AM0.17m | 10:12PM0.08m | 10:19AM0.15m | 10:44PM0.09m | 10:54AM0.18m | 11:17PM0.17m | 11:31AM0.27m | 11:54PM0.31m | 12:13PM0.41m | 00:37AM0.49m | 1:04PM0.58m | 1:32AM0.70m | |||||||
 |  | | |  | | | | | | |  | | | | | | | | | |
 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — |
 | 8:09 | — | — | 8:08 | — | — | 8:07 | — | — | 8:06 | — | — | 8:05 | — | — | 8:02 | — | — | 8:01 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 19 | 23 | 22 | 19 | 24 | 23 | 21 | 24 | 23 | 19 | 21 | 21 | 19 | 25 | 25 | 23 | 27 | 26 | 25 |
Feels °C | 18 | 18 | 20 | 19 | 17 | 23 | 21 | 19 | 20 | 19 | 16 | 16 | 16 | 15 | 23 | 22 | 21 | 27 | 26 | 24 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | NW 10 | NW 10 | — | NNW 8 | NW 8 | W 13 | NW 9 | NW 9 | NW 9 | NW 10 | NW 9 | SW 15 | SW 14 | NW 8 | SW 15 | NW 8 | NNW 8 | NNW 8 | NNW 8 |
| kJ | 1123 | 910 | 535 | — | 120 | 192 | 3 | 188 | 152 | 156 | 241 | 212 | 8 | 8 | 353 | 9 | 368 | 193 | 150 | 98 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | WNW 12 | WNW 11 | NNW 11 | SW 16 | SW 15 | — | — | SW 15 | SW 15 | SW 14 | SW 14 | SE 6 | SE 6 |
| kJ | — | — | — | — | — | — | — | 14 | 24 | 12 | 10 | 9 | — | — | 9 | 9 | 8 | 8 | 2 | 10 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 17 | SW 16 | — | — | — | — | — | — | — | E 6 | SW 14 | SW 13 |
| kJ | — | — | — | — | — | — | — | — | 12 | 10 | — | — | — | — | — | — | — | 1 | 8 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | NW 9 | NNW 6 | NNW 5 | NW 8 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NW 9 | NNW 8 | — | NW 8 | — | ESE 6 | — | — |
| kJ | — | — | — | 365 | 136 | 55 | 216 | 193 | 94 | 72 | 282 | 154 | 550 | 491 | — | 314 | — | 3 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 112 | 55 | 23 | 592 | 55 | 55 | 587 | 55 | 55 | 587 | 62 | 62 | 62 | 62 | 23 | 637 | 23 | 0 | 32 | 23 |
Best forecast wave conditions in The Algarve | ||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||
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Information about the Arrifana Surf forecast
The above surf forecast table for Arrifana provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Arrifana can be found by selecting the local surf guide option on the grey menu. Our Arrifana 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 (Arrifana) 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 Arrifana 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.
Arrifana is 27 km (17 miles) from Lagos. If you plan a holiday in The Algarve, look for hotels and other accommodation in Lagos. Lagos has rooms for a wide range of budgets as well as car hire and transport links.
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