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Surf Forecasts:
Grindavik Antenas surfForecast / Reykjanes Peninsula / Iceland
12 Day Weather and Surf, issued 11 pm Monday 15 Sep 2025 GMT
Best Forecast Surf Conditions for Grindavik Antenas this week:
The surf forecast for Grindavik Antenas over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 18) at 6PM. The primary swell is predicted to be 0.6m and 10s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Grindavik Antenas in the next 12 days are 2.5m 13s and forecast to arrive on Tuesday (Sep 23) at 3AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 8s period and expected on Tuesday (Sep 16) at 6PM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Thu 18th Sep) | 2ft (0.6m) 10s |
| Best Surf | 6PM (Mon 22nd Sep) | 6ft (1.9m) 12s |
| Most Powerful | 3AM (Tue 23rd Sep) | 8ft (2.5m) 13s |
Table - best surf conditions forecast for Grindavik Antenas over the next 12 days.
Short Range Forecast Light rain (total 3mm), mostly falling on Mon night. Very mild (max 12°C on Mon night, min 6°C on Wed night). Mainly fresh winds. | Days 3-6 Weather Summary Mostly dry. Mild temperatures (max 9°C on Sun afternoon, min 3°C on Fri night). Winds decreasing (strong winds from the NNE on Fri afternoon, light winds from the W by Sat night). | |||||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Mon 22 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 12 | 10 | 9 | 9 | 8 | 7 | 6 | 12 | 8 | 11 | 11 | 9 | 10 | 16 | 18 | 16 | 16 | 10 | 9 | 8 | 11 | |
Wave (?)Graph  | ||||||||||||||||||||||
| Energy (?) | 218 | 67 | 44 | 34 | 18 | 13 | 15 | 0 | 5 | 93 | 69 | 41 | 21 | 28 | 36 | 48 | 113 | 124 | 230 | 373 | 711 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross | cross | cross | cross- off | cross- off | |
High Tide / height (m) | 12:47AM 2.11 | 1:47PM 2.47 | 2:38AM 2.17 | 3:15PM 2.62 | 3:51AM 2.38 | 4:14PM 2.83 | 4:40AM 2.62 | 4:58PM 3.01 | 5:18AM 2.82 | 5:34PM 3.14 | 5:51AM 2.99 | 6:05PM 3.21 | 6:21AM 3.10 | |||||||||
Low Tide / height (m) | 6:59AM 1.05 | 8:29PM 1.02 | 8:42AM 0.96 | 9:45PM 0.81 | 9:51AM 0.73 | 10:34PM 0.57 | 10:39AM 0.49 | 11:12PM 0.37 | 11:19AM 0.30 | 11:45PM 0.21 | 11:53AM 0.16 | 12:15AM 0.12 | 12:25PM 0.10 | |||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Mon 22 | ||||||||||||||||
| Sunrise | - | 6:54 | - | - | 6:56 | - | - | 6:58 | - | - | 7:01 | - | - | 7:05 | - | - | 7:07 | - | - | 7:11 | - | |
| Sunset | - | - | 7:52 | - | - | 7:50 | - | - | 7:45 | - | - | 7:43 | - | - | 7:38 | - | - | 7:36 | - | - | 7:31 | |
 |  |  | | | |  |  | |  | | | | | | | | | | | | ||
Rain (mm) | 1 | - | - | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 | - | - | |
| Temp. °C | 12 | 11 | 11 | 10 | 7 | 9 | 8 | 6 | 8 | 7 | 5 | 5 | 4 | 5 | 6 | 6 | 8 | 9 | 10 | 10 | 10 | |
| Feels °C (?) | 7 | 6 | 5 | 5 | 2 | 4 | 3 | 0 | 3 | 0 | -2 | -4 | -6 | -2 | -1 | -1 | 3 | 3 | 5 | 6 | 7 | |
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Recent Eyeball Surf Reports for Reykjanes Peninsula
Continuing clean conditions at Grindavik Antenas (light winds from the ENE at Sléttan 12 km from Grindavik Antenas). 0.8m 12s groundswell from the SSW with a 0.2m 6s windswell from the NW. 2 swells combining to make bigger set waves.
1 h 16 min ago
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Grindavik Antenas surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Grindavik Antenas Surf forecast
The above surf forecast table for Grindavik Antenas provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Grindavik Antenas can be found by selecting the local surf guide option on the grey menu. Our Grindavik Antenas 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 Antenas) 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 Antenas 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 Antenas is 2 km (1 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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