Surf Forecasts:
Grindavik Lighthouse ( Hopsnesta) surf forecast from 13 Sep 2026:
- Best quality surf: Thursday 17 Sep, 3AM (local time) - 16ft (5.0m), 14s period, SW swell with cross-offshore winds.
- Most powerful swell: Thursday 17 Sep, 3AM (local time) - 16ft (5.0m), 14s period, SW swell with 8,693 kJ wave energy.
- Next surfable swell (1★+): Tuesday 15 Sep, 9PM (local time) - 3ft (0.9m), 9s period with SSW 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 (Sep 15) at 9PM. The primary swell is predicted to be 0.9m and 9s period. 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 5.0m 14s and forecast to arrive on Thursday (Sep 17) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 6s period and expected on Wednesday (Sep 16) at 6AM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Tue 15th Sep) | 3ft (0.9m) 9s |
| Best Surf | 3AM (Thu 17th Sep) | 16ft (5.0m) 14s |
| Most Powerful | 3AM (Thu 17th Sep) | 16ft (5.0m) 14s |
Table - best surf conditions forecast for Grindavik Lighthouse ( Hopsnesta) over the next 16 days.
Short Range ForecastModerate rain (total 12mm), heaviest on Sun night. Very mild (max 10°C on Sun morning, min 6°C on Mon night). Mainly near gales. | Days 4-6 Weather SummaryHeavy rain (total 27mm), heaviest during Wed morning. Very mild (max 10°C on Wed morning, min 8°C on Thu night). Mainly gales. | ||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | |||||||||||||||
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) | SW 8 | SE 7 | S 9 | SSE 9 | SW 10 | SSW 9 | SSW 9 | SSW 9 | SW 9 | SSE 7 | S 9 | SW 12 | SW 14 | SW 13 | WSW 12 | SW 11 | SW 10 | SW 10 | SW 13 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 98 | 498 | 950 | 442 | 365 | 393 | 272 | 176 | 125 | 969 | 1311 | 5518 | 5524 | 3118 | 2094 | 1089 | 865 | 1020 | 2660 | 2711 | 2597 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross | cross | cross | cross | cross-on | cross-off | cross-off | cross | cross-off | cross-on | on | cross-on | off | off | cross | cross | cross | cross |
High Tide | 7:32PM3.28m | 7:49AM3.24m | 8:04PM3.10m | 8:22AM3.12m | 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 | ||||||||
Low Tide | 1:22PM-0.04m | 1:39AM0.01m | 1:57PM0.10m | 2:10AM0.17m | 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 | ||||||||
 | |  |  |  |  | | |  |  |  | | | |  | | |  |  | | | |
 | 6:45 | — | — | 6:48 | — | — | 6:50 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 7:01 | — | — |
 | — | 8:02 | — | — | 8:00 | — | — | 7:55 | — | — | 7:52 | — | — | 7:49 | — | — | 7:45 | — | — | 7:42 | — |
mm | 1 | 3 | 6 | — | — | — | — | — | 2 | 20 | 4 | 2 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 10 | 10 | 10 | 10 | 9 | 8 | 6 | 7 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 |
Feels °C | 1 | -1 | 3 | 2 | 0 | 0 | -2 | 2 | -1 | -4 | 4 | 8 | 4 | 4 | 4 | 2 | 4 | 6 | 6 | 4 | 2 |
Swell 1 Height (m) Direction Period (s) | SW 8 | SSW 8 | S 9 | SSE 9 | SW 10 | SSW 9 | SSW 9 | SSW 9 | SW 9 | S 12 | S 12 | SW 12 | SW 14 | SW 13 | WSW 12 | SW 11 | SW 10 | SW 10 | SW 13 | SW 12 | SW 12 |
| kJ | 98 | 106 | 950 | 442 | 365 | 393 | 272 | 176 | 125 | 3 | 11 | 5518 | 5524 | 3118 | 2094 | 1089 | 865 | 1020 | 2660 | 2711 | 2597 |
Swell 2 Height (m) Direction Period (s) | S 14 | SW 12 | S 15 | SSW 10 | SSE 9 | S 13 | SSE 10 | S 13 | SSW 11 | — | — | — | — | NW 10 | S 19 | W 12 | W 11 | SSW 15 | WNW 14 | NNW 11 | WNW 12 |
| kJ | 4 | 36 | 17 | 314 | 289 | 14 | 21 | 13 | 12 | — | — | — | — | 4 | 7 | 11 | 2 | 184 | 19 | 11 | 49 |
Swell 3 Height (m) Direction Period (s) | NW 5 | W 13 | S 15 | WSW 10 | SSW 13 | — | S 13 | — | NW 5 | — | — | — | — | — | S 19 | S 19 | S 18 | S 18 | W 15 | S 16 | W 11 |
| kJ | 1 | 3 | 17 | 67 | 32 | — | 14 | — | 1 | — | — | — | — | — | 7 | 7 | 7 | 25 | 17 | 5 | 10 |
Wind waves Height (m) Direction Period (s) | SSE 5 | SE 7 | NE 4 | NNW 4 | NNW 5 | NNW 5 | NNW 4 | NNW 4 | — | SSE 7 | S 9 | ESE 7 | NNW 4 | — | — | ESE 4 | ESE 4 | ESE 4 | E 4 | — | — |
| kJ | 123 | 498 | 21 | 21 | 52 | 57 | 13 | 5 | — | 969 | 1311 | 307 | 34 | — | — | 28 | 21 | 21 | 7 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 348 | 348 | 348 | 51 | 1032 | 51 | 1107 | 3 | 348 | 1179 | 783 | 0 | 51 | 51 | 51 | 33 | 0 | 3 | 3 | 3 | 51 |
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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