
Surf Forecasts:
Grindavik Lighthouse ( Hopsnesta) surf forecast from 17 Oct 2026:
- Best quality surf: Saturday 17 Oct, 9PM (local time) - 21ft (6.5m), 12s period, SSW swell with cross-offshore winds.
- Most powerful swell: Sunday 18 Oct, 6PM (local time) - 30ft (9.0m), 14s period, SW swell with 34,440 kJ wave energy.
- Next surfable swell (1★+): Saturday 17 Oct, 9PM (local time) - 21ft (6.5m), 12s period with SSW swell.
Best Forecast Surf Conditions for Grindavik Lighthouse ( Hopsnesta) this week:
The surf forecast for Grindavik Lighthouse ( Hopsnesta) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Oct 17) at 9PM. The primary swell is predicted to be 6.5m and 12s period with a secondary swell of 4.5m and 13s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Grindavik Lighthouse ( Hopsnesta) in the next 16 days are 9.0m 14s and forecast to arrive on Sunday (Oct 18) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Saturday (Oct 24) at 12PM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Sat 17th Oct) | 21ft (6.5m) 12s |
| Best Surf | 9PM (Sat 17th Oct) | 21ft (6.5m) 12s |
| Most Powerful | 6PM (Sun 18th Oct) | 30ft (9.0m) 14s |
Table - best surf conditions forecast for Grindavik Lighthouse ( Hopsnesta) over the next 16 days.
Short Range ForecastHeavy rain (total 30mm), heaviest during Sun afternoon. Very mild (max 10°C on Sat afternoon, min 6°C on Sun night). Winds decreasing (severe gales from the S on Sun afternoon, moderate winds from the S by Mon night). | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Wed afternoon. Mild temperatures (max 6°C on Tue morning, min 3°C on Wed afternoon). Winds decreasing (fresh winds from the N on Wed afternoon, light winds from the SE by Thu night). | ||||||||||||||||||||
Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | |||||||||||||||
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) | SW 10 | S 9 | SSW 13 | SW 13 | SSW 13 | SW 14 | SW 14 | SW 14 | WSW 13 | WSW 12 | SW 12 | WSW 12 | WSW 12 | SW 11 | SW 10 | SW 11 | SW 11 | SW 10 | WSW 11 | WSW 13 | WSW 7 |
Wave Graph | |||||||||||||||||||||
612 | 3002 | 14963 | 17099 | 24973 | 25872 | 18500 | 13444 | 7602 | 4417 | 3343 | 2024 | 1501 | 1009 | 527 | 651 | 701 | 570 | 713 | 273 | 228 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross-off | off | cross | cross | cross-on | cross-on | cross-on | cross-off | off | off | cross |
High Tide | 9:44AM2.54m | 10:01PM2.16m | 10:45AM2.33m | 11:17PM1.99m | 12:17PM2.21m | 1:09AM1.97m | 1:51PM2.26m | 2:32AM2.13m | 2:54PM2.42m | 3:24AM2.36m | 3:38PM2.62m | 4:04AM2.62m | 4:16PM2.82m | ||||||||
Low Tide | 4:04PM1.08m | 4:07AM1.08m | 5:15PM1.25m | 5:26AM1.23m | 7:01PM1.27m | 7:14AM1.23m | 8:25PM1.11m | 8:34AM1.06m | 9:16PM0.87m | 9:26AM0.83m | 9:54PM0.61m | 10:07AM0.59m | 10:29PM0.37m | ||||||||
8:22 | — | — | 8:26 | — | — | 8:29 | — | — | 8:32 | — | — | 8:34 | — | — | 8:37 | — | — | 8:41 | — | — | |
— | 6:05 | — | — | 6:01 | — | — | 5:58 | — | — | 5:54 | — | — | 5:52 | — | — | 5:47 | — | — | 5:45 | — | |
mm | — | 6 | 8 | 2 | 9 | 2 | — | 1 | 2 | — | — | — | — | 2 | 2 | — | — | 1 | 1 | — | — |
Temp °C | 9 | 10 | 10 | 8 | 9 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 4 | 3 | 5 | 5 | 5 | 5 | 5 | 6 | 6 |
Feels °C | -2 | -4 | -3 | -3 | -6 | -6 | -5 | -2 | -2 | 0 | 0 | 1 | -4 | -6 | -1 | -1 | -1 | 0 | -4 | 0 | 2 |
Swell 1 Height (m) Direction Period (s) | SW 10 | W 18 | SSW 13 | — | — | — | — | SW 14 | WSW 13 | WSW 12 | SW 12 | WSW 12 | WSW 12 | SW 11 | SW 10 | SW 11 | SW 11 | SW 10 | WSW 11 | SW 10 | W 11 |
612 | 6 | 14963 | — | — | — | — | 13444 | 7602 | 4417 | 3343 | 2024 | 1501 | 1009 | 527 | 651 | 701 | 570 | 713 | 216 | 61 | |
Swell 2 Height (m) Direction Period (s) | SW 11 | W 18 | — | — | — | — | — | — | SSE 10 | SSE 10 | SSE 9 | SE 10 | SE 9 | SE 9 | SW 13 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | WSW 13 | NW 11 |
60 | 6 | — | — | — | — | — | — | 502 | 482 | 307 | 311 | 208 | 132 | 161 | 46 | 30 | 31 | 29 | 273 | 18 | |
Swell 3 Height (m) Direction Period (s) | S 13 | — | — | — | — | — | — | — | S 11 | — | S 15 | SSE 9 | NNW 12 | NNW 7 | SE 8 | SE 8 | SSE 8 | NNW 15 | NNW 14 | NNE 13 | E 8 |
29 | — | — | — | — | — | — | — | 345 | — | 4 | 119 | 15 | 5 | 57 | 32 | 7 | 22 | 20 | 31 | 5 | |
Wind waves Height (m) Direction Period (s) | S 6 | S 9 | — | SW 13 | SSW 13 | SW 14 | SW 14 | SSE 10 | — | — | — | — | — | — | — | — | — | NNW 8 | NW 4 | WNW 5 | WSW 7 |
235 | 3002 | — | 17099 | 24973 | 25872 | 18500 | 1031 | — | — | — | — | — | — | — | — | — | 22 | 29 | 33 | 228 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 348 | 348 | 1037 | 1107 | 1107 | 1107 | 1107 | 348 | 33 | 33 | 32 | 0 | 1032 | 51 | 51 | 33 | 51 | 0 | 33 | 33 | 3 |
Best forecast wave conditions in Reykjanes Peninsula | |||||||||||||||||||||
Best forecast wave conditions in Iceland | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Grindavik Lighthouse ( Hopsnesta) Surf forecast
The above surf forecast table for Grindavik Lighthouse ( Hopsnesta) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Grindavik Lighthouse ( Hopsnesta) can be found by selecting the local surf guide option on the grey menu. Our Grindavik Lighthouse ( Hopsnesta) 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 (Grindavik Lighthouse ( Hopsnesta)) 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 Grindavik Lighthouse ( Hopsnesta) 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.
Grindavik Lighthouse ( Hopsnesta) is 3 km (2 miles) from Grindavik. If you plan a holiday in Reykjanes Peninsula, look for hotels and other accommodation in Grindavik. Grindavik has rooms for a wide range of budgets as well as car hire and transport links.










