Surf Forecasts:
Grindavik Lighthouse ( Hopsnesta) surf forecast from 10 Sep 2026:
- Best quality surf: Sunday 13 Sep, 9PM (local time) - 10ft (3.0m), 9s period, S swell with cross-offshore winds.
- Most powerful swell: Thursday 17 Sep, 6AM (local time) - 21ft (6.5m), 13s period, SW swell with 13,947 kJ wave energy.
- Next surfable swell (1★+): Saturday 12 Sep, 9PM (local time) - 5ft (1.5m), 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 12) at 9PM. The primary swell is predicted to be 1.5m and 9s period. 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 6.5m 13s and forecast to arrive on Thursday (Sep 17) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Sunday (Sep 13) at 6AM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Sat 12th Sep) | 5ft (1.5m) 9s |
| Best Surf | 9PM (Sun 13th Sep) | 10ft (3.0m) 9s |
| Most Powerful | 6AM (Thu 17th Sep) | 21ft (6.5m) 13s |
Table - best surf conditions forecast for Grindavik Lighthouse ( Hopsnesta) over the next 16 days.
Short Range ForecastModerate rain (total 10mm), heaviest on Thu morning. Very mild (max 12°C on Thu morning, min 7°C on Fri night). Mainly strong winds. | Days 4-6 Weather SummaryModerate rain (total 14mm), heaviest on Sun afternoon. Very mild (max 12°C on Mon morning, min 6°C on Mon night). Winds decreasing (near gales from the ESE on Sun morning, calm by Mon morning). | ||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||
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) | SSE 8 | WSW 10 | SW 9 | SW 11 | SW 12 | SW 11 | SW 10 | SW 9 | SW 8 | SSE 6 | S 8 | S 9 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SSW 8 | SW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 534 | 554 | 1015 | 2297 | 3585 | 2073 | 1020 | 593 | 250 | 402 | 1326 | 1173 | 815 | 535 | 565 | 356 | 211 | 120 | 846 | 1131 | 8730 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | on | cross-on | on | cross-on | cross-on | cross-on | cross-off | off | cross-off | cross-off | on | glassy | cross | cross | cross-on | cross | cross-off | cross | cross-on |
High Tide | 5:46PM3.36m | 6:06AM3.15m | 6:23PM3.43m | 6:42AM3.26m | 6:58PM3.39m | 7:16AM3.29m | 7:32PM3.28m | 7:49AM3.24m | 8:04PM3.10m | 8:22AM3.12m | 8:36PM2.88m | 8:55AM2.94m | 9:08PM2.63m | ||||||||
Low Tide | 11:30AM0.10m | 00:00AM0.00m | 12:09PM-0.05m | 00:35AM-0.09m | 12:47PM-0.09m | 1:08AM-0.08m | 1:22PM-0.04m | 1:39AM0.01m | 1:57PM0.10m | 2:10AM0.17m | 2:31PM0.32m | 2:41AM0.39m | 3:06PM0.58m | ||||||||
 | |  |  | |  |  | |  | |  |  | | | | | | | | | | |
 | 6:37 | — | — | 6:39 | — | — | 6:41 | — | — | 6:45 | — | — | 6:48 | — | — | 6:50 | — | — | 6:54 | — | — |
 | — | 8:14 | — | — | 8:10 | — | — | 8:07 | — | — | 8:02 | — | — | 8:00 | — | — | 7:55 | — | — | 7:52 | — |
mm | 3 | 1 | 3 | 2 | 1 | — | — | — | — | 3 | 6 | 3 | — | 1 | — | — | — | 1 | 1 | 8 | 4 |
Temp °C | 12 | 10 | 9 | 8 | 8 | 9 | 8 | 8 | 10 | 9 | 11 | 11 | 12 | 11 | 8 | 6 | 8 | 11 | 12 | 11 | 9 |
Feels °C | 8 | 4 | 3 | -1 | -1 | 4 | 2 | 3 | 3 | -3 | 5 | 8 | 11 | 10 | 0 | 1 | 3 | 4 | 0 | -1 | -3 |
Swell 1 Height (m) Direction Period (s) | SW 9 | S 9 | WSW 14 | SW 11 | W 13 | SW 11 | SW 10 | SW 9 | SW 8 | SW 8 | S 15 | S 9 | SSW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | — | WSW 9 | — |
| kJ | 343 | 351 | 233 | 2297 | 1461 | 2073 | 1020 | 593 | 250 | 86 | 17 | 1173 | 565 | 535 | 565 | 356 | 211 | 120 | — | 1131 | — |
Swell 2 Height (m) Direction Period (s) | W 8 | W 8 | NNW 12 | WNW 13 | NNW 14 | S 18 | SSW 11 | NW 5 | NNW 6 | W 7 | N 14 | S 15 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 10 | — | — | — |
| kJ | 44 | 5 | 15 | 356 | 79 | 6 | 187 | 7 | 3 | 15 | 4 | 17 | 372 | 318 | 202 | 74 | 26 | 10 | — | — | — |
Swell 3 Height (m) Direction Period (s) | SW 12 | — | NNW 12 | NNW 14 | — | S 18 | NNW 14 | W 16 | S 16 | SW 11 | — | N 12 | WSW 10 | S 13 | W 12 | S 13 | S 12 | S 12 | — | — | — |
| kJ | 38 | — | 28 | 19 | — | 6 | 19 | 5 | 5 | 5 | — | 3 | 65 | 14 | 24 | 14 | 11 | 12 | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 8 | WSW 10 | SW 9 | — | SW 12 | NNW 10 | NW 5 | — | S 3 | SSE 6 | S 8 | — | SW 10 | — | NW 4 | NW 6 | WNW 5 | SSW 5 | SW 9 | SSW 8 | SW 12 |
| kJ | 534 | 554 | 1015 | — | 3585 | 38 | 34 | — | 3 | 402 | 1326 | — | 815 | — | 14 | 33 | 16 | 77 | 846 | 960 | 8730 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1094 | 51 | 1321 | 1296 | 1257 | 3 | 3 | 3 | 32 | 348 | 348 | 0 | 19 | 0 | 783 | 3 | 51 | 348 | 1034 | 1179 | 1107 |
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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