Surf Forecasts:
Grindavik Lighthouse ( Hopsnesta) surf forecast from 15 Sep 2026:
- Best quality surf: Tuesday 22 Sep, 3AM (local time) - 21ft (6.5m), 15s period, SSW swell with cross-onshore winds.
- Most powerful swell: Tuesday 22 Sep, 9AM (local time) - 23ft (7.0m), 15s period, SSW swell with 21,938 kJ wave energy.
- Next surfable swell (1★+): Saturday 19 Sep, 3AM (local time) - 4.5ft (1.4m), 9s 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 Saturday (Sep 19) at 3AM. The primary swell is predicted to be 1.4m and 9s period with a secondary swell of 0.2m and 18s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Grindavik Lighthouse ( Hopsnesta) in the next 16 days are 7.0m 15s 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 2.4m 7s period and expected on Thursday (Sep 17) at 12PM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Sat 19th Sep) | 4.5ft (1.4m) 9s |
| Best Surf | 3AM (Tue 22nd Sep) | 21ft (6.5m) 15s |
| Most Powerful | 9AM (Tue 22nd Sep) | 23ft (7.0m) 15s |
Table - best surf conditions forecast for Grindavik Lighthouse ( Hopsnesta) over the next 16 days.
Short Range ForecastHeavy rain (total 32mm), heaviest during Wed morning. Very mild (max 11°C on Wed morning, min 7°C on Tue morning). Winds increasing (light winds from the NW on Tue afternoon, near gales from the SE by Tue night). | Days 4-6 Weather SummaryHeavy rain (total 27mm), heaviest during Sun night. Very mild (max 11°C on Sun night, min 8°C on Fri morning). Winds increasing (light winds from the S on Sat morning, severe gales from the ESE by Sun night). | ||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | |||||||||||||||
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 9 | SW 9 | SSW 9 | SSE 8 | SSW 9 | SW 12 | SW 13 | SW 12 | WSW 12 | SW 10 | SW 10 | SW 9 | SW 9 | SSW 12 | SW 11 | SW 10 | SW 9 | SW 9 | SE 8 | SSE 8 | SSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 236 | 198 | 136 | 954 | 1364 | 4501 | 2201 | 1599 | 1570 | 754 | 496 | 343 | 297 | 1794 | 1493 | 730 | 466 | 189 | 1398 | 654 | 12239 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | on | cross-off | cross-off | cross-off | off | cross-on | on | cross-on | cross-off | cross-off | cross-off | cross | cross-on |
High Tide | 8:36PM2.88m | 8:55AM2.94m | 9:08PM2.63m | 9:32AM2.72m | 9:44PM2.37m | 10:16AM2.48m | 10:31PM2.13m | 11:22AM2.26m | 11:56PM1.94m | 1:13PM2.18m | 2:05AM1.95m | 2:50PM2.30m | |||||||||
Low Tide | 2:31PM0.32m | 2:41AM0.39m | 3:06PM0.58m | 3:13AM0.63m | 3:45PM0.86m | 3:49AM0.89m | 4:34PM1.13m | 4:39AM1.13m | 5:55PM1.34m | 6:11AM1.29m | 8:03PM1.34m | 8:12AM1.24m | 9:22PM1.14m | ||||||||
 |  |  |  |  |  | | | |  | |  | | |  | | |  | |  |  | |
 | 6:50 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 7:01 | — | — | 7:05 | — | — | 7:07 | — | — |
 | — | 7:55 | — | — | 7:52 | — | — | 7:49 | — | — | 7:45 | — | — | 7:42 | — | — | 7:38 | — | — | 7:35 | — |
mm | — | — | 13 | 19 | — | — | — | — | — | 4 | 3 | 5 | 3 | 4 | — | — | — | 8 | 2 | 3 | 3 |
Temp °C | 7 | 8 | 10 | 11 | 10 | 10 | 9 | 8 | 8 | 9 | 10 | 9 | 9 | 10 | 10 | 9 | 10 | 11 | 12 | 11 | 11 |
Feels °C | 2 | 5 | 0 | 0 | 4 | 5 | -1 | -1 | 1 | 3 | 3 | 2 | 6 | 4 | 7 | 5 | 5 | -2 | 4 | 2 | 2 |
Swell 1 Height (m) Direction Period (s) | SSW 9 | SW 9 | SSW 9 | S 12 | SSE 8 | SW 12 | SW 13 | SW 12 | WSW 12 | SW 10 | SW 10 | SW 9 | SW 9 | SSW 12 | SW 11 | SW 10 | SW 9 | SW 9 | S 14 | S 14 | — |
| kJ | 236 | 198 | 136 | 11 | 450 | 4501 | 2201 | 1599 | 1570 | 754 | 496 | 343 | 297 | 1794 | 1493 | 730 | 466 | 189 | 37 | 33 | — |
Swell 2 Height (m) Direction Period (s) | SE 7 | SSE 9 | SSW 11 | — | SW 9 | — | — | ESE 9 | SSW 18 | NW 6 | WSW 11 | S 18 | SSW 11 | ESE 6 | WSW 12 | W 13 | W 10 | S 14 | — | S 21 | — |
| kJ | 26 | 16 | 12 | — | 516 | — | — | 8 | 30 | 13 | 12 | 24 | 133 | 3 | 419 | 28 | 7 | 37 | — | 9 | — |
Swell 3 Height (m) Direction Period (s) | S 13 | WNW 6 | NW 5 | — | SSW 12 | — | — | — | S 19 | E 9 | S 16 | S 13 | S 14 | NNW 11 | WNW 13 | WSW 14 | S 14 | S 12 | — | — | — |
| kJ | 14 | 8 | 1 | — | 26 | — | — | — | 7 | 2 | 5 | 3 | 15 | 11 | 35 | 19 | 15 | 11 | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 4 | WNW 4 | SSE 3 | SSE 8 | SSW 9 | — | WNW 7 | NW 7 | NW 7 | — | E 7 | SE 4 | — | — | — | — | — | SE 5 | SE 8 | SSE 8 | SSW 14 |
| kJ | 5 | 1 | 5 | 954 | 1364 | — | 458 | 606 | 113 | — | 4 | 18 | — | — | — | — | — | 108 | 1398 | 654 | 12239 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 3 | 3 | 1700 | 783 | 1107 | 1418 | 783 | 348 | 51 | 1274 | 1274 | 32 | 0 | 32 | 51 | 33 | 32 | 783 | 348 | 348 | 1132 |
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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