Surf Forecasts:
Grindavik Lighthouse ( Hopsnesta) surf forecast from 19 Sep 2026:
- Best quality surf: Tuesday 22 Sep, 9AM (local time) - 28ft (8.5m), 14s period, SSW swell with cross-onshore winds.
- Most powerful swell: Tuesday 22 Sep, 9AM (local time) - 28ft (8.5m), 14s period, SSW swell with 28,457 kJ wave energy.
- Next surfable swell (1★+): Sunday 20 Sep, 12PM (local time) - 6ft (1.8m), 11s period with WSW 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 Sunday (Sep 20) at 12PM. The primary swell is predicted to be 1.8m and 11s period with a secondary swell of 0.3m and 15s. 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 8.5m 14s and forecast to arrive on Tuesday (Sep 22) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 5s period and expected on Thursday (Sep 24) at 9AM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Sun 20th Sep) | 6ft (1.8m) 11s |
| Best Surf | 9AM (Tue 22nd Sep) | 28ft (8.5m) 14s |
| Most Powerful | 9AM (Tue 22nd Sep) | 28ft (8.5m) 14s |
Table - best surf conditions forecast for Grindavik Lighthouse ( Hopsnesta) over the next 16 days.
Short Range ForecastModerate rain (total 14mm), heaviest on Sun night. Very mild (max 11°C on Mon morning, min 8°C on Mon night). Winds increasing (calm on Sun morning, gales from the ESE by Sun night). | Days 4-6 Weather SummaryHeavy rain (total 34mm), heaviest during Thu morning. Very mild (max 10°C on Wed night, min 8°C on Wed morning). Winds decreasing (gales from the E on Thu morning, light winds from the NW by Thu night). | ||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | |||||||||||||||
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) | SSW 11 | SSW 11 | SW 12 | SW 10 | SW 10 | WSW 9 | SE 9 | S 8 | S 11 | SSW 14 | SW 14 | SW 12 | SW 12 | SW 11 | WSW 11 | SW 10 | ESE 9 | SSE 12 | S 15 | S 13 | S 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 307 | 923 | 1499 | 400 | 703 | 320 | 2219 | 1463 | 4366 | 28457 | 17224 | 5682 | 5119 | 4184 | 2749 | 799 | 2045 | 4701 | 8966 | 3344 | 835 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | cross-off | off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | off | cross-off | cross-on | on | on | cross-on |
High Tide | 11:22AM2.26m | 11:56PM1.94m | 1:13PM2.18m | 2:05AM1.95m | 2:50PM2.30m | 3:23AM2.14m | 3:46PM2.51m | 4:09AM2.37m | 4:25PM2.73m | 4:44AM2.62m | 4:58PM2.93m | 5:16AM2.85m | 5:30PM3.10m | ||||||||
Low Tide | 5:55PM1.34m | 6:11AM1.29m | 8:03PM1.34m | 8:12AM1.24m | 9:22PM1.14m | 9:23AM1.03m | 10:07PM0.88m | 10:09AM0.77m | 10:40PM0.62m | 10:45AM0.53m | 11:11PM0.38m | 11:18AM0.30m | 11:40PM0.17m | ||||||||
 | |  |  | |  |  |  |  | | | | | |  |  | | | | | | |
 | 7:01 | — | — | 7:05 | — | — | 7:07 | — | — | 7:11 | — | — | 7:13 | — | — | 7:16 | — | — | 7:18 | — | — |
 | — | 7:42 | — | — | 7:38 | — | — | 7:35 | — | — | 7:31 | — | — | 7:28 | — | — | 7:24 | — | — | 7:21 | — |
mm | — | — | — | — | — | 3 | 4 | 3 | 4 | 4 | — | 3 | — | 2 | 7 | 10 | 7 | 1 | 2 | 1 | 2 |
Temp °C | 10 | 10 | 10 | 9 | 9 | 10 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 9 | 10 | 10 | 9 | 8 |
Feels °C | 7 | 8 | 6 | 4 | 4 | 0 | -3 | 1 | 1 | -4 | -3 | -1 | -1 | 0 | 4 | 1 | 0 | 5 | 6 | 4 | 2 |
Swell 1 Height (m) Direction Period (s) | SW 9 | SSW 11 | SW 12 | WSW 8 | SW 10 | WSW 9 | WSW 9 | — | — | — | — | NW 12 | NNW 12 | — | WSW 11 | SW 10 | WSW 9 | SSE 12 | S 15 | S 13 | S 11 |
| kJ | 281 | 923 | 1499 | 363 | 703 | 320 | 15 | — | — | — | — | 6 | 15 | — | 2749 | 799 | 145 | 4701 | 8966 | 3344 | 835 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | NW 8 | S 16 | SW 10 | S 15 | S 14 | S 14 | — | — | — | — | — | — | — | S 15 | S 15 | SSW 14 | WSW 8 | NNW 12 | NW 13 | NW 8 |
| kJ | 307 | 3 | 19 | 400 | 17 | 37 | 16 | — | — | — | — | — | — | — | 4 | 4 | 19 | 14 | 131 | 386 | 165 |
Swell 3 Height (m) Direction Period (s) | W 11 | NNW 12 | NNW 6 | S 16 | S 12 | S 12 | S 14 | — | — | — | — | — | — | — | — | S 19 | S 19 | S 22 | NNW 5 | — | — |
| kJ | 9 | 14 | 3 | 20 | 11 | 11 | 37 | — | — | — | — | — | — | — | — | 7 | 7 | 9 | 26 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SE 5 | SE 9 | S 8 | S 11 | SSW 14 | SW 14 | SW 12 | SW 12 | SW 11 | — | SE 5 | ESE 9 | NNW 5 | — | — | — |
| kJ | — | — | — | — | — | 91 | 2219 | 1463 | 4366 | 28457 | 17224 | 5682 | 5119 | 4184 | — | 166 | 2045 | 10 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 3 | 3 | 51 | 51 | 32 | 348 | 1132 | 348 | 1138 | 1107 | 1179 | 1041 | 1107 | 1297 | 32 | 1094 | 1094 | 51 | 1159 | 1038 | 1038 |
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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