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Grotta surfForecast / Reykjanes Peninsula / Iceland
48hr Weather and Surf, issued 5 am Monday 18 Aug 2025 GMT
How big are the waves at Grotta today?
The current surf forecast for Grotta at 8AM is: 0.7m 8s primary swell from a West-southwest direction (forecast issued at 05:00am August 18). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 2.5ft (0.7m) | 8s |
| Afternoon (18 Aug) | 1.5ft (0.5m) | 7s |
| Evening (18 Aug) | 1.5ft (0.5m) | 7s |
Table - waves today at Grotta. (Swell directed towards the surf break)
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 92 | 65 | 60 | 44 | 31 | 31 | 30 | 20 | 19 | 19 | 9 | 9 | 9 | 9 | 4 | 4 | 4 | 4 | 2 | 2 | 2 | 3 | 2 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross | cross- on | cross- on | glass | cross- off | cross | cross | cross | cross | glass | glass | cross- on | cross- on | cross | cross- off | cross- off | glass | glass | on | glass | glass | cross- off |
High Tide / height (m) | 1:16AM 2.88 | 2:01PM 3.16 | 2:41AM 2.86 | 3:24PM 3.29 | 4:01AM 3.00 | 4:30PM 3.53 | ||||||||||||||||||
Low Tide / height (m) | 7:30AM 1.16 | 8:34PM 1.24 | 8:56AM 1.14 | 9:58PM 1.08 | 10:11AM 0.95 | 10:58PM 0.83 | ||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
| Sunrise | - | 5:26 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 9:35 | - | - | - | - | - | - | - | 9:30 | - | - | - | - | - | - | - | 9:28 | - |
 |  | | |  | | | | | | | | | |  |  | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 11 | 12 | 12 | 12 | 12 | 11 | 10 | 10 | 10 | 11 | 11 | 12 | 11 | 10 | 10 | 10 | 10 | 11 | 12 | 12 | 11 | 11 |
| Feels °C (?) | 9 | 9 | 10 | 10 | 10 | 12 | 11 | 9 | 8 | 8 | 9 | 10 | 10 | 11 | 10 | 9 | 8 | 8 | 9 | 10 | 10 | 11 | 10 | 10 |
- 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
Continuing clean conditions at Grotta (calm at Grundarhverfi wx 12 km from Grotta). 0.5m 8s swell from the W to make surfable waves.
1 h 27 min ago
FREE! Surf-Forecast.com widget for your website
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