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Surf Forecasts:
Alnes Lighthouse surf forecast from 15 Aug 2026:
- Best quality surf: Monday 17 Aug, 11PM (local time) - 5.5ft (1.7m), 9s period, NNW swell with cross-offshore winds.
- Most powerful swell: Friday 21 Aug, 8AM (local time) - 8ft (2.4m), 8s period, NNE swell with 695 kJ wave energy.
- Next surfable swell (1★+): Monday 17 Aug, 11AM (local time) - 3.5ft (1.0m), 8s period with N swell.
Best Forecast Surf Conditions for Alnes Lighthouse this week:
The surf forecast for Alnes Lighthouse over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 17) at 11AM. The primary swell is predicted to be 1.0m and 8s period with a secondary swell of 0.6m and 6s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Alnes Lighthouse in the next 16 days are 2.4m 8s and forecast to arrive on Friday (Aug 21) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Mon 17th Aug) | 3.5ft (1.0m) 8s |
| Best Surf | 11PM (Mon 17th Aug) | 5.5ft (1.7m) 9s |
| Most Powerful | 8AM (Fri 21st Aug) | 8ft (2.4m) 8s |
Table - best surf conditions forecast for Alnes Lighthouse over the next 16 days.
The Lowdown
Right then, let’s have a look at what’s on offer for the Alnes Lighthouse area. Straight up, I’ll be honest with you – this 16-day run looks pretty grim. Alnes Lighthouse is a point break that’s fairly exposed, and it wants a north-west swell for best results, but the wind and the wave quality just aren’t playing ball for most of it.
The water’s sitting at 55°, which is a bit colder than normal for this time of year.
We kick off on Saturday the 15th of August with a tiny 2ft swell from the west, but a cross-breeze is messing it up. The combined swell energy is weak (119), and the conditions are poor. That trend carries right through the weekend and into the start of the week.
There is a brief moment on Monday the 17th in the morning just before the rain hits. We get a glassy 3ft wave from the north – that’s the only time this period where the wind goes totally calm. The swell energy is moderate (193). However, the period is a short 8 seconds, so it’s not packing much punch and it’ll be a bit soft and messy on the face. It’s the best of a bad bunch, but don’t get too excited; it’s really just surfable. That tiny window blows out in the afternoon as the onshore wind picks up.
After Monday, it’s a long, drawn-out mess. From Tuesday the 18th right through to the end of the month, we’re looking at near-constant cross-shore and cross-onshore winds, often strong. Swell heights bounce around from 2ft up to a decent 7ft on Friday the 21st, but the energy is being destroyed by the wind. That 7ft NNE swell on the 21st has a combined energy of 587, but with a near-gale cross-shore wind, it’ll be a washing machine. That’s not surf for a point break; that’s more of a kite-surfing setup than a paddle session.
There’s another glassy morning on Sunday the 23rd of August, but the swell is a tiny 2ft with hardly any energy (36). Not worth paddling out for.
Honestly, I’d save your energy. There’s no standout session here. The only window that isn’t a total write-off is that single glassy morning on the 17th, and even that is marginal. It’s a long blank run ahead.
Rusty.
Short Range ForecastLight rain (total 6mm), mostly falling on Sat night. Very mild (max 14°C on Sat morning, min 11°C on Sun afternoon). Winds decreasing (fresh winds from the SW on Sat afternoon, calm by Mon night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 13°C on Wed afternoon, min 11°C on Tue morning). Winds increasing (light winds from the NE on Tue night, strong winds from the NE by Thu night). | ||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||||
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) | W 10 | W 9 | W 9 | NW 9 | NW 8 | NW 7 | N 8 | NNW 8 | NNW 8 | N 8 | NNE 8 | NNE 7 | N 7 | N 7 | N 8 | N 8 | N 8 | N 8 | NNE 8 | NNE 8 | N 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 67 | 41 | 125 | 81 | 128 | 82 | 131 | 370 | 424 | 256 | 240 | 160 | 131 | 155 | 201 | 295 | 334 | 539 | 556 | 375 | 159 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross | glassy | on | glassy | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 1:48PM1.63m | 1:54AM1.83m | 2:27PM1.58m | 2:34AM1.74m | 3:04PM1.52m | 3:15AM1.61m | 3:41PM1.44m | 3:58AM1.48m | 4:22PM1.36m | 4:46AM1.34m | 5:10PM1.28m | 5:47AM1.23m | 6:16PM1.23m | ||||||||
Low Tide | 7:52PM0.13m | 8:26AM-0.03m | 8:31PM0.18m | 9:04AM0.09m | 9:11PM0.26m | 9:42AM0.25m | 9:52PM0.37m | 10:21AM0.41m | 10:38PM0.48m | 11:06AM0.56m | 11:36PM0.59m | 12:08PM0.68m | 1:00AM0.66m | ||||||||
 |  |  |  | |  |  | | |  | |  | | | | | | | | | | |
 | 5:35 | — | — | 5:37 | — | — | 5:41 | — | — | 5:43 | — | — | 5:46 | — | — | 5:48 | — | — | 5:52 | — | — |
 | — | — | 9:43 | — | — | 9:39 | — | — | 9:37 | — | — | 9:34 | — | — | 9:30 | — | — | 9:27 | — | — | 9:23 |
mm | — | — | 3 | 1 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 13 | 12 | 11 | 12 | 11 | 11 | 12 | 11 | 12 | 12 | 12 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 |
Feels °C | 11 | 9 | 9 | 9 | 7 | 8 | 8 | 8 | 10 | 6 | 4 | 4 | 9 | 9 | 8 | 7 | 5 | 4 | 2 | 1 | 1 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 9 | N 7 | NW 9 | NW 8 | NW 7 | N 8 | NNW 8 | NNW 8 | W 10 | W 9 | W 8 | W 8 | W 8 | W 12 | W 10 | W 10 | W 11 | W 10 | W 9 | W 9 |
| kJ | 67 | 41 | 10 | 81 | 128 | 82 | 131 | 370 | 424 | 17 | 25 | 12 | 5 | 5 | 25 | 77 | 71 | 81 | 31 | 16 | 6 |
Swell 2 Height (m) Direction Period (s) | N 8 | N 8 | — | W 8 | W 8 | W 8 | NW 6 | — | W 7 | — | W 6 | — | — | — | WSW 9 | — | — | — | — | — | — |
| kJ | 35 | 21 | — | 49 | 69 | 66 | 33 | — | 4 | — | 1 | — | — | — | 8 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | N 7 | N 7 | N 7 | W 8 | — | W 11 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 9 | 4 | 4 | 29 | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 4 | WSW 5 | W 9 | — | — | — | — | W 7 | — | N 8 | NNE 8 | NNE 7 | N 7 | N 7 | N 8 | N 8 | N 8 | N 8 | NNE 8 | NNE 8 | N 7 |
| kJ | 17 | 35 | 125 | — | — | — | — | 16 | — | 256 | 240 | 160 | 131 | 155 | 201 | 295 | 334 | 539 | 556 | 375 | 159 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1267 | 615 | 445 | 678 | 656 | 57 | 0 | 626 | 0 | 678 | 609 | 0 | 609 | 648 | 409 | 409 | 751 | 862 | 733 | 751 | 409 |
Best forecast wave conditions in South and West Norway | |||||||||||||||||||||
Best forecast wave conditions in Norway | |||||||||||||||||||||
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Information about the Alnes Lighthouse Surf forecast
The above surf forecast table for Alnes Lighthouse provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Alnes Lighthouse can be found by selecting the local surf guide option on the grey menu. Our Alnes Lighthouse 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 (Alnes Lighthouse) 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 Alnes Lighthouse 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 South and West Norway? If you are looking for accommodation near Alnes Lighthouse, camping, hotels and holiday cottages in South and West Norway, consider staying in Alesund which is 10 km (6 miles) away. Other places in and around South and West Norway where you can find information about places to rent, and car hire include Stranda which is 52 km (32 miles) away, Molde and Svelgen.
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