Surf Forecasts:
Grindavik Lighthouse ( Hopsnesta) surf forecast from 18 Aug 2026:
- Best quality surf: Monday 24 Aug, 12AM (local time) - 6ft (1.8m), 10s period, SSW swell with offshore winds.
- Most powerful swell: Sunday 23 Aug, 3PM (local time) - 11ft (3.5m), 9s period, SSW swell with 2,044 kJ wave energy.
- Next surfable swell (1★+): Tuesday 18 Aug, 6AM (local time) - 6.5ft (2.0m), 9s period with SE 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 Tuesday (Aug 18) at 6AM. The primary swell is predicted to be 2.0m and 9s period with a secondary swell of 0.1m and 13s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Grindavik Lighthouse ( Hopsnesta) in the next 16 days are 3.5m 9s and forecast to arrive on Sunday (Aug 23) at 3PM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Tue 18th Aug) | 6.5ft (2.0m) 9s |
| Best Surf | 12AM (Mon 24th Aug) | 6ft (1.8m) 10s |
| Most Powerful | 3PM (Sun 23rd Aug) | 11ft (3.5m) 9s |
Table - best surf conditions forecast for Grindavik Lighthouse ( Hopsnesta) over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 12°C on Mon night, min 10°C on Tue night). Mainly fresh winds. | Days 5-7 Weather SummaryLight rain (total 5mm), mostly falling on Fri night. Very mild (max 12°C on Fri afternoon, min 10°C on Thu night). Winds increasing (light winds from the SW on Thu night, strong winds from the S by Sat afternoon). | ||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||
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) | ESE 8 | SE 9 | SE 9 | SE 9 | SE 8 | SE 9 | SE 8 | ESE 8 | SW 9 | WSW 6 | WSW 7 | WSW 8 | WSW 8 | SW 8 | SW 7 | SW 8 | SSW 10 | SSW 9 | SSW 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 488 | 497 | 402 | 215 | 102 | 112 | 74 | 45 | 39 | 66 | 99 | 169 | 133 | 155 | 309 | 1112 | 1991 | 2044 | 701 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | cross-on | on | cross-on | cross-on | cross-on | on | on | on | cross | cross-on | cross | cross | cross | cross | cross | cross | off |
High Tide | 9:15PM2.94m | 9:36AM2.85m | 9:51PM2.66m | 10:17AM2.65m | 10:31PM2.39m | 11:06AM2.44m | 11:22PM2.15m | 12:15PM2.28m | 00:46AM1.99m | 1:56PM2.24m | 2:36AM2.01m | 3:23PM2.37m | |||||||
Low Tide | 3:24AM0.37m | 3:44PM0.56m | 3:59AM0.62m | 4:27PM0.85m | 4:40AM0.87m | 5:22PM1.11m | 5:35AM1.09m | 6:46PM1.30m | 7:03AM1.23m | 8:37PM1.29m | 8:45AM1.18m | 9:52PM1.12m | |||||||
 |  | |  | | | | |  |  | | |  | |  | | | | | |
 | — | 5:30 | — | — | 5:33 | — | — | 5:35 | — | — | 5:39 | — | — | 5:41 | — | — | 5:45 | — | — |
 | 9:37 | — | — | 9:34 | — | — | 9:30 | — | — | 9:27 | — | — | 9:23 | — | — | 9:21 | — | — | 9:16 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 2 | 1 | — | — | 2 |
Temp °C | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 11 | 12 | 12 | 12 | 12 | 12 | 11 |
Feels °C | 6 | 9 | 7 | 8 | 7 | 7 | 8 | 8 | 7 | 8 | 9 | 9 | 8 | 6 | 4 | 4 | 8 | 8 | 9 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | SE 9 | SE 9 | SE 9 | SE 8 | SE 9 | SE 8 | ESE 8 | SW 9 | SW 8 | WSW 7 | WSW 8 | WSW 8 | SW 9 | S 16 | SSW 16 | S 14 | S 14 | SSW 10 |
| kJ | 409 | 497 | 402 | 215 | 102 | 112 | 74 | 45 | 38 | 30 | 99 | 169 | 133 | 36 | 131 | 256 | 146 | 179 | 701 |
Swell 2 Height (m) Direction Period (s) | S 13 | SSW 10 | S 11 | S 10 | SSW 9 | S 9 | SW 10 | SW 8 | SE 9 | SSW 15 | SSW 16 | SSW 15 | SW 9 | S 16 | S 13 | — | S 18 | — | S 12 |
| kJ | 3 | 21 | 319 | 188 | 64 | 40 | 46 | 34 | 20 | 42 | 47 | 42 | 31 | 124 | 14 | — | 25 | — | 113 |
Swell 3 Height (m) Direction Period (s) | S 19 | S 15 | S 19 | S 17 | S 18 | S 18 | S 16 | WNW 7 | S 15 | ESE 8 | WSW 10 | SSW 11 | SSW 15 | S 10 | S 13 | — | — | — | S 16 |
| kJ | 7 | 19 | 7 | 23 | 27 | 24 | 46 | 17 | 39 | 6 | 10 | 12 | 42 | 2 | 14 | — | — | — | 131 |
Wind waves Height (m) Direction Period (s) | ESE 8 | — | — | W 4 | NW 5 | NW 4 | WNW 3 | WNW 6 | W 5 | WSW 6 | WSW 6 | — | — | SW 8 | SW 7 | SW 8 | SSW 10 | SSW 9 | SSE 8 |
| kJ | 488 | — | — | 3 | 19 | 7 | 2 | 6 | 15 | 66 | 66 | — | — | 155 | 309 | 1112 | 1991 | 2044 | 635 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 51 | 3 | 3 | 51 | 3 | 1254 | 1572 | 1353 | 51 | 51 | 51 | 1345 | 1345 | 783 | 783 | 783 | 0 |
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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