Surf Forecasts:
Grindavik Lighthouse ( Hopsnesta) surf forecast from 20 Oct 2026:
- Best quality surf: Friday 23 Oct, 3AM (local time) - 10ft (3.0m), 14s period, SW swell with cross-offshore winds.
- Most powerful swell: Tuesday 20 Oct, 3AM (local time) - 15ft (4.5m), 13s period, SW swell with 7,081 kJ wave energy.
- Next surfable swell (1★+): Wednesday 21 Oct, 12AM (local time) - 10ft (3.0m), 11s period with SW 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 Wednesday (Oct 21) at 12AM. The primary swell is predicted to be 3.0m and 11s period with a secondary swell of 0.8m and 10s. 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 4.5m 13s and forecast to arrive on Tuesday (Oct 20) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 5s period and expected on Thursday (Oct 22) at 3AM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Wed 21st Oct) | 10ft (3.0m) 11s |
| Best Surf | 3AM (Fri 23rd Oct) | 10ft (3.0m) 14s |
| Most Powerful | 3AM (Tue 20th Oct) | 15ft (4.5m) 13s |
Table - best surf conditions forecast for Grindavik Lighthouse ( Hopsnesta) over the next 16 days.
Short Range ForecastModerate rain (total 11mm), heaviest on Wed night. Mild temperatures (max 6°C on Mon night, min 2°C on Wed night). Winds increasing (light winds from the SSW on Tue night, strong winds from the E by Wed night). | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Thu night. Mild temperatures (max 5°C on Sat afternoon, min 2°C on Fri night). Winds increasing (light winds from the NNW on Fri afternoon, strong winds from the NNW by Sun morning). | ||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | ||||||||||||||
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) | WSW 13 | SW 12 | SW 12 | SW 11 | WSW 12 | SW 11 | SW 10 | SW 12 | SW 12 | SW 11 | SW 12 | SW 11 | SW 10 | SW 9 | SW 8 | SW 10 | SW 9 | SE 10 | SSW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 7164 | 4834 | 3279 | 1941 | 1794 | 1009 | 527 | 1742 | 1818 | 1072 | 2010 | 908 | 334 | 168 | 135 | 245 | 188 | 284 | 355 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | on | cross-off | cross-off | off | off | off | cross-off | off | cross | cross | cross-off | off | cross-off | cross-off | cross | cross | cross |
High Tide | 1:09AM1.97m | 1:51PM2.26m | 2:32AM2.13m | 2:54PM2.42m | 3:24AM2.36m | 3:38PM2.62m | 4:04AM2.62m | 4:16PM2.82m | 4:40AM2.88m | 4:52PM3.00m | 5:14AM3.11m | 5:28PM3.14m | |||||||
Low Tide | 7:14AM1.23m | 8:25PM1.11m | 8:34AM1.06m | 9:16PM0.87m | 9:26AM0.83m | 9:54PM0.61m | 10:07AM0.59m | 10:29PM0.37m | 10:45AM0.36m | 11:03PM0.17m | 11:22AM0.17m | 11:37PM0.02m | |||||||
 |  |  |  | |  |  |  | | |  | |  | | |  | | | | |
 | — | 8:32 | — | — | 8:34 | — | — | 8:37 | — | — | 8:41 | — | — | 8:44 | — | — | 8:47 | — | — |
 | — | — | 5:54 | — | — | 5:52 | — | — | 5:47 | — | — | 5:45 | — | — | 5:42 | — | — | 5:37 | — |
mm | 2 | 2 | — | — | — | — | 3 | 2 | 2 | 3 | — | — | — | — | — | — | — | — | — |
Temp °C | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 4 | 3 | 3 | 2 | 4 | 5 | 5 | 5 | 3 | 3 |
Feels °C | -2 | -2 | 1 | 2 | -1 | -2 | -4 | 1 | 0 | -2 | -2 | -1 | -3 | -5 | -5 | -6 | -6 | -8 | -7 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | SW 12 | SW 12 | SW 11 | WSW 12 | SW 11 | SW 10 | SW 12 | SW 12 | SW 11 | SW 12 | SW 11 | SW 10 | SW 9 | SW 8 | SW 10 | SW 9 | SE 10 | SSW 12 |
| kJ | 7164 | 4834 | 3279 | 1941 | 1794 | 1009 | 527 | 1742 | 1818 | 1072 | 2010 | 908 | 334 | 168 | 135 | 245 | 188 | 284 | 355 |
Swell 2 Height (m) Direction Period (s) | SSE 11 | S 15 | S 15 | SE 10 | SE 9 | SE 9 | SW 13 | SE 7 | SE 7 | SW 14 | NNE 11 | NNE 10 | NW 6 | W 8 | SSE 8 | ESE 7 | SE 8 | WSW 8 | WSW 10 |
| kJ | 831 | 4 | 4 | 122 | 138 | 104 | 161 | 79 | 34 | 500 | 23 | 19 | 10 | 5 | 51 | 4 | 96 | 108 | 185 |
Swell 3 Height (m) Direction Period (s) | — | — | — | NE 11 | NNW 12 | W 12 | S 13 | E 10 | ESE 9 | E 8 | NNE 12 | NNE 8 | SE 10 | SW 11 | SSW 12 | S 15 | SE 9 | WNW 5 | ESE 10 |
| kJ | — | — | — | 19 | 15 | 3 | 3 | 47 | 27 | 13 | 13 | 6 | 4 | 5 | 26 | 4 | 43 | 11 | 123 |
Wind waves Height (m) Direction Period (s) | — | SSE 9 | — | — | — | — | ESE 6 | — | — | — | — | — | — | ESE 4 | ENE 4 | NNW 4 | NW 5 | NW 5 | ENE 3 |
| kJ | — | 255 | — | — | — | — | 165 | — | — | — | — | — | — | 13 | 13 | 36 | 31 | 19 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1094 | 51 | 1307 | 1041 | 33 | 33 | 33 | 43 | 19 | 0 | 0 | 0 | 33 | 33 | 0 | 348 | 1418 | 1421 | 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.
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