Grindavik Antenas surfForecast / Reykjanes Peninsula / Iceland

information circle12 Day Weather and Surf, issued 11 pm Wednesday 10 Dec 2025 GMT
Forecast update in hr  min  s Forecast update imminent
Grindavik Antenas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Grindavik Antenas sea temperature is
7.5° C
(Which is normal for this time of year)


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 Friday (Dec 12) at 6PM. The primary swell is predicted to be 6.5m and 13s period with a secondary swell of 2.5m and 16s. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Grindavik Antenas in the next 12 days are 7.0m 20s and forecast to arrive on Thursday (Dec 18) 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 8.5m 14s period and expected on Friday (Dec 12) at 9AM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Fri 12th Dec)21ft (6.5m) 13s
Best Surf 6PM (Fri 12th Dec)21ft (6.5m) 13s
Most Powerful 3AM (Thu 18th Dec)23ft (7.0m) 20s

Table - best surf conditions forecast for Grindavik Antenas over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 28mm), heaviest during Thu night. Mild temperatures (max 8°C on Fri night, min 5°C on Wed night). Winds decreasing (severe gales from the ESE on Fri morning, light winds from the ESE by Sat afternoon).

Days 3-6 Weather Summary Moderate rain (total 13mm), heaviest on Sat night. Mild temperatures (max 6°C on Sat night, min 1°C on Mon morning). Winds decreasing (strong winds from the N on Sun night, light winds from the NW by Mon night).

Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
1
1
0
4
5
7
4
4
2
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
SSW
3.5
SW
3.5
SW
3
SW
1.3
SW
5
SSW
5
SSW
4.5
SSW
3
SSW
1.2
SW
5
SSW
4
SSW
4
SSW
4.5
SW
4
SW
3
SW
3
SSW
2.5
SW
1.8
SW
0.9
SW
0.8
WNW
Period(s) (?)11181614161413111112141314151414131311109
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1946659524531838861075087844699198443086416044620786125730357431982204785180105
Wind
(km/h)
50
E
75
ENE
60
SE
55
ESE
70
ESE
70
E
60
WSW
25
SSW
15
ESE
25
WNW
20
SW
30
ENE
35
NNE
45
N
25
WNW
10
SW
15
SSE
20
S
65
E
65
ESE
60
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
off
cross-
on
crosscross-
off
offcross-
off
crossononcross-
on
cross-
on
cross-
on
High Tide
/ height (m)
10:28PM
2.47
10:56AM
2.72
11:31PM
2.35
11:58AM
2.52
12:41AM
2.30
1:05PM
2.38
1:50AM
2.33
2:11PM
2.33
2:52AM
2.44
3:09PM
2.35
3:43AM
2.57
3:59PM
2.42
4:26AM
2.72
4:42PM
2.51
Low Tide
/ height (m)
4:30AM
0.68
5:21PM
0.75
5:34AM
0.86
6:25PM
0.85
6:48AM
0.97
7:30PM
0.88
8:02AM
0.99
8:29PM
0.86
9:05AM
0.94
9:20PM
0.80
9:58AM
0.85
10:05PM
0.72
10:41AM
0.75
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
Sunrise-11:04--11:07--11:08--11:10--11:11--11:12--11:14-
Sunset--3:38--3:37--3:37--3:37--3:36--3:36--3:36
cloud
rain showers
part cloud
mod rain
light rain
light rain
rain showers
light rain
light rain
heavy rain
clear
cloud
cloud
cloud
cloud
part cloud
rain showers
rain showers
rain showers
light rain
light rain
Rain (mm)
-5-92551111------11152
Temp. °C666667866665423556676
Feels °C (?)-5-10-8-7-9-6-1-11-4-1-3-6-9-4100-11-6-7
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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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