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Surf Forecasts:
Alnes Lighthouse surf forecast from 8 Sep 2026:
- Best quality surf: Saturday 12 Sep, 11PM (local time) - 10ft (3.0m), 12s period, W swell with cross-offshore winds.
- Most powerful swell: Saturday 12 Sep, 8PM (local time) - 11ft (3.5m), 12s period, W swell with 3,017 kJ wave energy.
- Next surfable swell (1★+): Thursday 10 Sep, 2AM (local time) - 4ft (1.2m), 7s period with NNW 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 Thursday (Sep 10) at 2AM. The primary swell is predicted to be 1.2m and 7s period with a secondary swell of 0.5m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Alnes Lighthouse in the next 16 days are 3.5m 12s and forecast to arrive on Saturday (Sep 12) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Friday (Sep 11) at 11AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Thu 10th Sep) | 4ft (1.2m) 7s |
| Best Surf | 11PM (Sat 12th Sep) | 10ft (3.0m) 12s |
| Most Powerful | 8PM (Sat 12th Sep) | 11ft (3.5m) 12s |
Table - best surf conditions forecast for Alnes Lighthouse over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at the next couple of weeks at Alnes Lighthouse.
It’s a bit of a slow start, honestly. We’ve got a few days of messy, onshore wind and lumpy conditions that just aren’t worth paddling out for. The first real glimmer of hope shows up on the 14th of September. Monday morning looks like a proper little gem – a clean 5ft NW swell with a light offshore SSE breeze. The wind will be glassy, the waves will have shape, and you’ll get that long-period energy (10 seconds) pushing through. The combined energy is moderate, and it’s not going to be too big for the average surfer. This is the standout window: Monday morning and Monday afternoon are both clean with that offshore/cross-off flow. Crowds are possible here, so get in early.
The 16th of September is a big one for the experienced crew. Wednesday afternoon sees a solid 12ft NW swell going glassy with the wind turning to almost nothing. The combined energy is strong, and the conditions are described as excellent for experienced surfers. If you’ve got the skills and the board for a big groundswell, this is your window. The period is 10 seconds, so it’s a solid, powerful wave. This is the second standout.
The rest of the first week is a write-off – strong winds, lumpy cross-chop, and onshore junk. The following week shows a bit of promise on the 20th of September: Sunday morning with a clean 4ft W swell and a light cross-off breeze. The combined energy is moderate, and it’s a nice, clean option for a morning session. Keep an eye on the 22nd of September as well – Tuesday morning could be very good with a 5ft W groundswell, a 12-second period, and clean conditions, but that’s a long way out and might change.
Water temp is about what you’d expect for this time of year, so wetsuit up as usual.
Rusty.
Short Range ForecastModerate rain (total 14mm), heaviest on Tue night. Very mild (max 13°C on Thu night, min 10°C on Wed morning). Winds increasing (calm on Thu night, fresh winds from the SW by Fri afternoon). | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Sat night. Very mild (max 15°C on Sat afternoon, min 10°C on Sun night). Winds decreasing (fresh winds from the SW on Fri night, calm by Mon afternoon). | ||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | ||||||||||||||
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 12 | WSW 11 | NW 8 | NNW 7 | WSW 9 | NW 6 | WSW 7 | WSW 9 | WSW 11 | WSW 10 | W 11 | W 11 | W 12 | WNW 11 | WNW 12 | NW 10 | NW 10 | NW 10 | WSW 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 711 | 194 | 398 | 142 | 32 | 28 | 86 | 169 | 716 | 752 | 2099 | 2956 | 2521 | 1358 | 1269 | 541 | 334 | 424 | 344 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-off | cross | cross-on | off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-on | cross-on | cross | off | cross-off | cross-off |
High Tide | 9:57PM1.58m | 10:42AM1.52m | 10:47PM1.71m | 11:26AM1.60m | 11:30PM1.79m | 12:06PM1.65m | 00:11AM1.84m | 12:42PM1.67m | 00:49AM1.83m | 1:16PM1.67m | 1:26AM1.78m | 1:49PM1.64m | 2:03AM1.69m | ||||||
Low Tide | 4:34AM0.14m | 4:48PM0.29m | 5:21AM0.01m | 5:31PM0.19m | 6:02AM-0.08m | 6:11PM0.12m | 6:40AM-0.09m | 6:49PM0.09m | 7:16AM-0.05m | 7:25PM0.10m | 7:51AM0.04m | 8:01PM0.15m | |||||||
 | | |  |  | | |  | | |  | |  | | | | | |  | |
 | — | 6:43 | — | — | 6:46 | — | — | 6:48 | — | — | 6:50 | — | — | 6:54 | — | — | 6:56 | — | — |
 | 8:24 | — | 8:22 | — | — | 8:17 | — | — | 8:15 | — | — | 8:10 | — | — | 8:07 | — | — | 8:05 | — |
mm | 6 | 2 | 1 | — | — | — | — | 3 | 2 | — | — | — | 2 | 1 | — | — | — | — | — |
Temp °C | 12 | 11 | 11 | 11 | 10 | 12 | 13 | 12 | 13 | 13 | 13 | 15 | 13 | 12 | 11 | 10 | 11 | 14 | 14 |
Feels °C | 9 | 7 | 6 | 8 | 6 | 9 | 12 | 8 | 6 | 6 | 7 | 11 | 10 | 8 | 7 | 7 | 8 | 10 | 8 |
Swell 1 Height (m) Direction Period (s) | W 12 | WSW 11 | NW 8 | NNW 7 | NNW 6 | NW 6 | WSW 7 | WSW 9 | NNW 10 | NNW 9 | W 11 | W 11 | W 12 | WNW 11 | WNW 12 | NW 10 | NW 10 | NW 10 | WSW 9 |
| kJ | 711 | 194 | 398 | 142 | 32 | 28 | 86 | 169 | 20 | 17 | 2099 | 2956 | 2521 | 1358 | 1269 | 541 | 334 | 424 | 344 |
Swell 2 Height (m) Direction Period (s) | — | — | W 11 | W 10 | W 6 | WSW 5 | NW 9 | NW 8 | NW 8 | W 18 | NW 15 | — | — | — | — | W 11 | W 10 | W 9 | NNW 10 |
| kJ | — | — | 83 | 51 | 25 | 13 | 64 | 11 | 3 | 6 | 54 | — | — | — | — | 319 | 151 | 111 | 225 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | WSW 9 | NNW 6 | N 6 | NNW 11 | — | — | NNW 9 | — | — | — | — | — | NW 12 | — | — |
| kJ | — | — | — | — | 29 | 13 | 3 | 12 | — | — | 8 | — | — | — | — | — | 212 | — | — |
Wind waves Height (m) Direction Period (s) | — | NW 6 | — | — | SSW 2 | — | ESE 2 | SSW 3 | WSW 11 | WSW 10 | — | — | — | — | — | — | — | — | — |
| kJ | — | 134 | — | — | 1 | — | 1 | 8 | 716 | 752 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 405 | 1185 | 718 | 0 | 25 | 82 | 0 | 82 | 445 | 445 | 657 | 82 | 25 | 656 | 656 | 10 | 0 | 0 | 408 |
Best forecast wave conditions in South and West Norway | |||||||||||||||||||
Best forecast wave conditions in Norway | |||||||||||||||||||
Header Global | |||||||||||||||||||
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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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