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Grotta surfForecast / Reykjanes Peninsula / Iceland
48hr Weather and Surf, issued 11 pm Wednesday 30 Apr 2025 GMTForecast update in hr min s Forecast update imminent
Grotta surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Grotta sea temperature is
6.8° C
(Which is normal for this time of year)How big are the waves at Grotta today?
The current surf forecast for Grotta at 6AM is: 1.2m 12s primary swell from a West-southwest direction and 0.7m 4s secondary swell from a West direction (forecast issued at 11:00pm April 30). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | 3.5ft (1.0m) | 12s |
| Afternoon (01 May) | 3.5ft (1.1m) | 11s |
| Evening (01 May) | 3.5ft (1.0m) | 10s |
Table - waves today at Grotta. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | Monday 05 | Tuesday 06 | Wednesday 07 | Thursday 08 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 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 | 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 | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |  |    |    |    |    |    |    |    |    | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 10 | 10 | 10 | 9 | 8 | 8 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 11 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 961 | 649 | 497 | 403 | 285 | 251 | 286 | 227 | 175 | 161 | 184 | 168 | 442 | 407 | 341 | 289 | 212 | 147 | 157 | 106 | 44 | 90 | 65 | 77 | 48 | 48 | 24 | 25 | 48 | 46 | 33 | 44 | 45 | 46 | 63 | 59 | 56 | 58 | 140 | 70 | 151 | 147 | 126 | 111 | 90 | 88 | 72 | 90 | 88 | 86 | 105 | 105 | 108 | 111 | 116 | 99 | 115 | 121 | 170 | 307 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- on | cross- on | cross- on | cross- on | on | cross- on | on | on | on | on | on | on | on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | glass | glass | on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross | cross- on | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off |
High Tide / height (m) | 8:18PM 4.29 | 8:46AM 3.72 | 9:08PM 4.04 | 9:39AM 3.42 | 10:03PM 3.73 | 10:36AM 3.12 | 11:03PM 3.42 | 11:42AM 2.87 | 12:13AM 3.17 | 1:02PM 2.75 | 1:36AM 3.07 | 2:32PM 2.82 | 2:52AM 3.11 | 3:36PM 3.02 | 3:46AM 3.22 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 2:37AM 0.29 | 2:48PM 0.42 | 3:29AM 0.59 | 3:38PM 0.75 | 4:26AM 0.93 | 4:34PM 1.08 | 5:31AM 1.21 | 5:43PM 1.35 | 6:50AM 1.37 | 7:10PM 1.47 | 8:18AM 1.35 | 8:40PM 1.39 | 9:23AM 1.20 | 9:42PM 1.20 | ||||||||||||||||||||||||||||||||||||||||||||||
Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | Monday 05 | Tuesday 06 | Wednesday 07 | Thursday 08 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | 5:01 | - | - | - | - | - | - | - | 4:58 | - | - | - | - | - | - | - | 4:54 | - | - | - | - | - | - | - | 4:50 | - | - | - | - | - | - | - | 4:48 | - | - | - | - | - | - | - | 4:45 | - | - | - | - | - | - | - | 4:41 | - | - | - | - | - | - | - | 4:37 |
| Sunset | 9:46 | - | - | - | - | - | - | - | 9:50 | - | - | - | - | - | - | - | 9:52 | - | - | - | - | - | - | - | 9:57 | - | - | - | - | - | - | - | 10:00 | - | - | - | - | - | - | - | 10:02 | - | - | - | - | - | - | - | 10:06 | - | - | - | - | - | - | - | 10:09 | - | - | - |
 |  | |  |  | | | | |  | | |  | | | | | | | | | | | | |  | | | | | | | | |  | | |  | | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 5 | 1 | - | - | - | - | - | - | - | - | 3 | 3 | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 6 | 6 | 6 | 5 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 7 | 6 | 6 | 7 | 8 | 9 | 9 | 8 | 7 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 |
| Feels °C (?) | 3 | 1 | 0 | -4 | -4 | -2 | -1 | 0 | 2 | 1 | 0 | 0 | 0 | 2 | 2 | 2 | 4 | 3 | 2 | 3 | 4 | 6 | 7 | 6 | 5 | 4 | 4 | 3 | 4 | 5 | 7 | 7 | 7 | 6 | 6 | 5 | 3 | 2 | 5 | 4 | 3 | 4 | 4 | 4 | 3 | 3 | 5 | 4 | 4 | 5 | 3 | 1 | 0 | -1 | 0 | -1 | 0 | 1 | 1 | 1 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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