Icelands surfForecast / Mentawi Islands / Indonesia

information circle16 Day Weather and Surf, issued 12 am Wednesday 20 May 2026 WIB
Forecast update in hr  min  s Forecast update imminent
Icelands surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Icelands sea temperature is
30.3° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Icelands this week:

The surf forecast for Icelands over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (May 20) at 7AM. The primary swell is predicted to be 0.8m and 16s period with a secondary swell of 1.0m and 12s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Icelands in the next 16 days are 1.4m 16s and forecast to arrive on Tuesday (May 26) at 7PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 4s period and expected on Sunday (May 24) at 4AM.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Wed 20th May)2.5ft (0.8m) 16s
Best Surf 7PM (Tue 26th May)4.5ft (1.4m) 16s
Most Powerful 7PM (Tue 26th May)4.5ft (1.4m) 16s

Table - best surf conditions forecast for Icelands over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 26mm), heaviest during Wed night. Warm (max 29°C on Tue night, min 27°C on Fri afternoon). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 28mm), heaviest during Fri night. Warm (max 29°C on Sun morning, min 27°C on Fri night). Wind will be generally light.

Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
2
3
3
3
3
3
2
0
1
2
0
0
0
0
1
2
3
3
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SW
16
1
SW
16
1
SW
15
1.1
SW
15
1
SW
15
1.1
SW
15
1.1
SW
14
1.1
SW
15
1.2
SW
15
1.1
SW
14
1.1
SW
14
1.1
SW
14
0.9
SSW
13
0.9
SSW
13
0.9
SW
12
0.6
SSW
15
0.7
SSW
16
1.1
SW
17
1.3
SSW
16
1.4
SSW
16
1.4
SW
15
Wave Graph
Metric surfscale
Energy kJ
357
474
427
550
421
588
536
543
657
424
450
418
299
299
216
148
217
632
864
945
905
Wind (km/h)
10
NNE
10
NW
5
NW
0
E
5
SW
5
ESE
5
NNE
10
NW
20
WNW
20
N
15
N
15
NNW
20
N
20
N
15
NW
20
NNE
5
NE
5
WNW
0
ENE
5
NNE
5
E
cross-off
cross-on
glassy
glassy
glassy
glassy
glassy
cross-on
cross-on
cross
cross-off
cross-on
cross
cross
cross-on
cross-off
cross-off
glassy
glassy
glassy
glassy
High Tide
8:35AM1.32m
9:10PM0.75m
9:27AM1.23m
10:10PM0.73m
10:24AM1.13m
11:21PM0.73m
11:27AM1.01m
00:38AM0.77m
12:37PM0.92m
1:50AM0.84m
1:48PM0.85m
2:51AM0.92m
2:53PM0.80m
3:41AM1.00m
Low Tide
3:11PM0.04m
2:32AM0.10m
4:03PM0.11m
3:25AM0.20m
4:58PM0.17m
4:27AM0.30m
5:57PM0.23m
5:43AM0.39m
6:58PM0.26m
7:21AM0.43m
7:55PM0.27m
9:00AM0.41m
8:45PM0.26m
clear
clear
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
cloud
part cloud
thunderstorm
cloud
cloud
part cloud
thunderstorm
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:16
6:16
6:18
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:17
6:17
6:17
6:19
6:19
6:19
6:19
9
1
3
3
4
13
4
5
6
2
Temp °C
29
29
29
28
29
29
28
28
27
28
28
28
29
29
29
28
28
28
28
29
28
33
32
33
33
34
34
33
31
28
29
30
30
29
30
32
29
32
31
33
33
32
Swell 1
Height (m)
Direction
Period (s)
1
S
12
1
SW
16
1
SW
15
1.1
SW
15
1
SW
15
1.1
SW
15
1.1
SW
14
1.1
SW
15
1.2
SW
15
1.1
SW
14
1.1
SW
14
1.1
SW
14
0.9
SSW
13
0.9
SSW
13
0.9
SW
12
0.7
SW
12
0.6
SW
12
1.1
SW
17
1.3
SSW
16
1.4
SSW
16
1.4
SW
15
Energy kJ
278
474
427
550
421
588
536
543
657
424
450
418
299
299
216
147
114
632
864
945
905
Swell 2
Height (m)
Direction
Period (s)
0.8
SW
16
0.9
S
12
0.9
S
11
0.8
S
11
0.8
S
10
0.7
S
10
0.6
S
9
0.6
S
9
0.5
S
9
0.4
SSE
8
0.5
W
8
0.5
WNW
7
0.5
W
8
0.4
WSW
7
0.5
W
8
0.6
SSW
15
0.7
SSW
16
0.5
SW
11
0.4
WNW
8
0.4
SSE
8
0.4
SSE
9
Energy kJ
357
221
185
144
128
87
58
57
36
19
33
29
32
16
34
148
217
58
22
24
25
Swell 3
Height (m)
Direction
Period (s)
0.3
W
8
0.2
W
7
0.2
W
7
0.2
W
7
0.2
W
7
0.2
W
7
0.2
W
7
0.1
W
7
0.3
WNW
7
0.3
S
9
0.4
S
8
0.2
WNW
9
0.1
W
13
0.3
WNW
8
0.3
S
7
0.5
W
8
0.5
W
8
0.4
WNW
9
0.4
SSE
8
0.4
WNW
8
0.4
WNW
8
Energy kJ
10
4
4
4
4
4
4
1
10
14
22
8
4
13
9
33
33
30
24
21
20
Wind waves
Height (m)
Direction
Period (s)
0.6
WNW
8
0.4
N
3
0.4
N
3
0.3
N
3
0.4
NNW
4
0.6
N
4
Energy kJ
47
3
3
2
4
12
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
3
3
3
3
2
3
3
2
2
2
2
2
3
3
3
3
Distance (km)
0
29
0
0
0
0
0
29
55
29
28
28
29
28
29
29
0
0
0
0
0
Best forecast wave conditions in Mentawi Islands
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
3
4
4
4
Best forecast wave conditions in Indonesia
Rating
(10 max)
4
4
3
4
3
4
3
4
4
3
3
3
3
2
3
2
2
3
4
4
4
Header Global
Rating
(10 max)
5
4
4
4
4
4
5
7
5
6
9
6
5
5
4
4
5
5
5
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Icelands Surf forecast

The above surf forecast table for Icelands provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Icelands can be found by selecting the local surf guide option on the grey menu. Our Icelands 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 (Icelands) 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 Icelands 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.

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