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Grotta surfForecast / Reykjanes Peninsula / Iceland
12 Day Weather and Surf, issued 5 am Thursday 17 Apr 2025 GMT
Best Forecast Surf Conditions for Grotta this week:
The surf forecast for Grotta over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Apr 19) at 6AM. The primary swell is predicted to be 0.6m and 12s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Grotta in the next 12 days are 0.7m 13s and forecast to arrive on Thursday (Apr 24) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Sunday (Apr 20) at 9PM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Sat 19th Apr) | 2ft (0.6m) 12s |
| Best Surf | 6AM (Sat 19th Apr) | 2ft (0.6m) 12s |
| Most Powerful | 12PM (Thu 24th Apr) | 2.5ft (0.7m) 13s |
Table - best surf conditions forecast for Grotta over the next 12 days.
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | |||||||||||||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | 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) (?) | 5 | 3 | 4 | 12 | 12 | 14 | 12 | 12 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 12 | 11 | 11 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 8 | 5 | 8 | 6 | 14 | 46 | 99 | 67 | 31 | 27 | 15 | 14 | 10 | 9 | 9 | 4 | 3 | 3 | 14 | 19 | 31 | 116 | 159 | 154 | 112 | 106 | 58 | 56 | 50 | 33 | 27 | 24 | 23 | 26 | 25 | 30 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | glass | cross- off | cross- off | glass | cross | cross- off | cross | cross- off | cross- off | cross- off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | on | glass | cross- off | off | cross- off |
High Tide / height (m) | 8:48PM 3.50 | 9:08AM 3.13 | 9:30PM 3.30 | 9:59AM 2.90 | 10:33PM 3.09 | 11:12AM 2.72 | 11:54PM 2.95 | 12:37PM 2.66 | 1:20AM 2.97 | 2:05PM 2.79 | 2:37AM 3.16 | 3:13PM 3.09 | 3:33AM 3.43 | 4:03PM 3.44 | 4:19AM 3.71 | 4:46PM 3.80 | 5:02AM 3.95 | 5:27PM 4.11 | 5:44AM 4.12 | 6:07PM 4.34 | 6:26AM 4.18 | 6:48PM 4.45 | ||||||||||||||
Low Tide / height (m) | 2:33PM 0.91 | 3:11AM 1.08 | 3:08PM 1.13 | 3:59AM 1.32 | 3:55PM 1.36 | 5:07AM 1.51 | 5:07PM 1.57 | 6:29AM 1.57 | 6:41PM 1.63 | 7:57AM 1.43 | 8:17PM 1.47 | 9:06AM 1.14 | 9:26PM 1.15 | 9:57AM 0.79 | 10:16PM 0.79 | 10:39AM 0.45 | 11:00PM 0.44 | 11:19AM 0.17 | 11:41PM 0.16 | 11:59AM -0.02 | 12:23AM -0.01 | 12:39PM -0.09 | 1:05AM -0.05 | |||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | |||||||||||||||||||||||||
| Sunrise | 5:50 | - | - | 5:47 | - | - | 5:43 | - | - | 5:39 | - | - | 5:37 | - | - | 5:33 | - | - | 5:30 | - | - | 5:26 | - | - | 5:22 | - | - | 5:18 | - | - | 5:15 | - | - | 5:11 | - | - |
| Sunset | - | 9:06 | - | - | 9:08 | - | - | 9:12 | - | - | 9:15 | - | - | 9:17 | - | - | 9:22 | - | - | 9:24 | - | - | 9:28 | - | - | 9:30 | - | - | 9:34 | - | - | 9:37 | - | - | 9:40 | - |
 | |  | | | |  | |  |  | | | | |  |  | | | | | | | | | | | | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 2 | - | - | - | - | - | - | - | - | - | 3 | 4 | 2 | - | - | - | - | - | - | - |
| Temp. °C | 1 | 3 | 2 | 4 | 5 | 5 | 5 | 5 | 5 | 4 | 7 | 6 | 7 | 9 | 7 | 7 | 7 | 8 | 10 | 10 | 9 | 10 | 11 | 10 | 11 | 13 | 10 | 10 | 9 | 9 | 7 | 7 | 6 | 8 | 9 | 8 |
| Feels °C (?) | -6 | -6 | -5 | 0 | 1 | 2 | 0 | 1 | 2 | 0 | 2 | 0 | 2 | 4 | 2 | 2 | 2 | 2 | 3 | 2 | 1 | 3 | 4 | 5 | 7 | 9 | 3 | 6 | 5 | 5 | 2 | 3 | 3 | 5 | 5 | 3 |
Short Range Forecast: Mostly dry. Icy conditions (max 5°C on Fri afternoon, min 0°C on Thu morning). Winds decreasing (fresh winds from the N on Thu afternoon, calm by Fri night). | Days 3-6 Weather Summary Light rain (total 5mm), mostly falling on Mon night. Mild temperatures (max 9°C on Mon afternoon, min 3°C on Sun morning). Wind will be generally light. | Days 6-9 Weather Summary Light rain (total 3mm), mostly falling on Fri night. Very mild (max 13°C on Fri afternoon, min 8°C on Thu night). Winds decreasing (strong winds from the SE on Wed afternoon, light winds from the E by Thu night). | Long Range Forecast: Light rain (total 6mm), mostly falling on Sat morning. Very mild (max 10°C on Sat morning, min 5°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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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 Grotta 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 Grotta Surf forecast
The above surf forecast table for Grotta provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Grotta can be found by selecting the local surf guide option on the grey menu. Our Grotta 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 (Grotta) 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 Grotta 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.
Grotta is 3 km (2 miles) from Reykjavik. If you plan a holiday in Reykjanes Peninsula, look for hotels and other accommodation in Reykjavik. Reykjavik has rooms for a wide range of budgets as well as car hire and transport links.
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