- Forecast
- Maps
- Live
- Weather State
- Spot Information
Grindavik Antenas surfForecast / Reykjanes Peninsula / Iceland
12 Day Weather and Surf, issued 5 am Sunday 17 Aug 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 Monday (Aug 18) at 3AM. The primary swell is predicted to be 1.2m and 8s period with a secondary swell of 0.4m and 14s. 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 1.6m 11s and forecast to arrive on Friday (Aug 22) at 6AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 8s period and expected on Thursday (Aug 21) at 12PM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Mon 18th Aug) | 4ft (1.2m) 8s |
| Best Surf | 6AM (Fri 22nd Aug) | 5ft (1.6m) 11s |
| Most Powerful | 6AM (Fri 22nd Aug) | 5ft (1.6m) 11s |
Table - best surf conditions forecast for Grindavik Antenas over the next 12 days.
Short Range Forecast Mostly dry. Very mild (max 13°C on Mon afternoon, min 10°C on Mon night). Wind will be generally light. | Days 3-6 Weather Summary Some drizzle, heaviest during Thu night. Very mild (max 12°C on Wed afternoon, min 10°C on Wed night). Winds increasing (calm on Wed morning, fresh winds from the SE by Thu morning). | ||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 8 | 8 | 7 | 7 | 13 | 13 | 12 | 12 | 11 | 12 | 12 | 14 | 12 | 11 | 10 | 12 | 11 | 11 | 10 |
Wave (?)Graph  | |||||||||||||||||||||
| Energy (?) | 669 | 450 | 284 | 151 | 117 | 83 | 105 | 51 | 19 | 17 | 12 | 26 | 23 | 101 | 357 | 643 | 426 | 605 | 527 | 466 | 535 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross- off | off | on | on | on | glass | cross- off | on | cross- on | cross- on | cross- on | cross- on | cross- off | cross- off | glass | cross- on | cross- on | on |
High Tide / height (m) | 12:13PM 2.55 | 12:48AM 2.25 | 1:46PM 2.52 | 2:30AM 2.23 | 3:16PM 2.65 | 3:52AM 2.38 | 4:22PM 2.86 | 4:49AM 2.58 | 5:13PM 3.07 | 5:34AM 2.77 | 5:54PM 3.23 | 6:13AM 2.93 | 6:31PM 3.31 | ||||||||
Low Tide / height (m) | 6:40PM 0.97 | 7:05AM 0.93 | 8:22PM 0.99 | 8:40AM 0.90 | 9:46PM 0.83 | 9:54AM 0.73 | 10:45PM 0.61 | 10:50AM 0.50 | 11:31PM 0.40 | 11:34AM 0.30 | 12:09AM 0.23 | 12:13PM 0.15 | 12:43AM 0.13 | ||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||
| Sunrise | 5:26 | - | - | 5:30 | - | - | 5:33 | - | - | 5:35 | - | - | 5:39 | - | - | 5:41 | - | - | 5:45 | - | - |
| Sunset | - | 9:37 | - | - | 9:35 | - | - | 9:30 | - | - | 9:28 | - | - | 9:23 | - | - | 9:21 | - | - | 9:16 | - |
 | |  |  | |  | |  | | | | | | |  | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | 8 | 2 |
| Temp. °C | 12 | 12 | 12 | 12 | 13 | 12 | 10 | 11 | 11 | 11 | 12 | 12 | 11 | 11 | 12 | 11 | 12 | 12 | 12 | 12 | 12 |
| Feels °C (?) | 8 | 8 | 10 | 10 | 11 | 11 | 7 | 9 | 11 | 9 | 10 | 8 | 5 | 5 | 8 | 10 | 11 | 11 | 7 | 5 | 7 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Reykjanes Peninsula
The wind is still cross-on at Grindavik Antenas (moderate winds from the SSW at Sléttan 12 km from Grindavik Antenas). 1.7m 9s swell from the WSW which is too big for here.
1 h 9 min ago
FREE! Surf-Forecast.com widget for your website
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.
Nearest