Jimmys surfForecast / Sumatra – Mainland / Indonesia

information circle48hr Weather and Surf, issued 6 am Thursday 21 May 2026 WIB
Forecast update in hr  min  s Forecast update imminent
Jimmys surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Jimmys sea temperature is
29.9° C
(Which is slightly warmer than usual)

How big are the waves at Jimmys today?

The current surf forecast for Jimmys at 12PM is: 1.1m 15s primary swell from a Southwest direction and 1.0m 10s secondary swell from a South direction (forecast issued at 06:00am May 21). The wind direction is predicted to be cross-onshore.

Time (WIB) & DateWave HeightWave Period
Morning (21 May)4.5ft (1.3m)15s
Afternoon (21 May)3.5ft (1.1m)15s
Evening (21 May)5ft (1.5m)16s

Table - waves today at Jimmys. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 18mm), heaviest on Thu morning. Warm (max 29°C on Thu morning, min 25°C on Sat night). Wind will be generally light.

Thursday
21
Friday
22
Saturday
23
Sun
24
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
Rating
(10 max)
3
3
3
3
3
2
4
4
3
3
2
3
3
4
3
4
3
3
2
2
3
3
3
3
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.1
SW
15
1.3
SW
15
1.3
SW
15
1.1
SW
15
1.1
SW
15
1.2
SW
16
1.5
SSW
16
1.5
SSW
16
1.3
SW
15
1.2
SW
15
1.3
SW
15
1.6
SW
15
1.6
SW
15
1.6
SW
15
1.4
SW
15
1.6
SW
15
1.5
SSW
14
1.4
SW
14
1.4
SW
14
1.4
SW
14
1.4
SW
14
1.4
SW
14
1.3
SSW
14
1.2
SW
13
Wave Graph
Metric surfscale
Energy kJ
557
696
696
557
580
692
1141
1126
715
614
757
1045
1045
1045
868
1088
947
765
765
788
799
788
617
525
Wind (km/h)
5
NE
5
NE
5
SW
5
SSW
5
NW
5
NW
5
N
5
N
5
N
5
N
5
WSW
10
WSW
5
W
5
NNW
5
N
5
NNE
5
N
5
NNE
5
WSW
5
SW
5
WSW
5
NNE
5
NE
5
NE
off
glassy
glassy
glassy
glassy
cross
cross-off
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross-off
glassy
glassy
cross-off
off
on
on
glassy
glassy
off
off
High Tide
9:44AM1.24m
10:41PM0.71m
10:37AM1.13m
11:45PM0.73m
11:34AM1.01m
00:54AM0.77m
Low Tide
2:56AM0.20m
4:45PM0.07m
3:51AM0.28m
5:37PM0.14m
4:57AM0.37m
6:31PM0.20m
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
part cloud
part cloud
part cloud
clear
thunderstorm
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:57
5:57
5:57
5:57
1
2
2
2
2
1
1
2
2
1
1
1
Temp °C
26
27
29
29
28
27
27
27
27
27
29
28
28
27
27
26
26
26
29
28
28
27
26
26
30
32
34
34
33
31
32
32
31
31
33
32
33
32
32
30
30
30
33
32
33
32
30
30
Swell 1
Height (m)
Direction
Period (s)
1.1
SW
15
1.3
SW
15
1.3
SW
15
1.1
SW
15
1.1
SW
15
1.2
SW
16
1.5
SSW
16
1.5
SSW
16
1.3
SW
15
1.2
SW
15
1.3
SW
15
1.6
SW
15
1.6
SW
15
1.6
SW
15
1.4
SW
15
1.6
SW
15
1.5
SSW
14
1.4
SW
14
1.4
SW
14
1.4
SW
14
1.4
SW
14
1.4
SW
14
1.3
SSW
14
1.2
SW
13
Energy kJ
557
696
696
557
580
692
1141
1126
715
614
757
1045
1045
1045
868
1088
947
765
765
788
799
788
617
525
Swell 2
Height (m)
Direction
Period (s)
1.1
S
11
1
S
10
1
S
10
1
S
10
0.9
S
10
0.9
S
9
0.2
S
12
0.2
W
7
0.8
S
9
0.7
S
9
0.7
S
9
0.1
W
7
0.1
W
7
0.1
W
7
0.6
S
9
0.2
W
7
0.1
W
7
0.1
W
7
0.2
WNW
10
0.2
WNW
10
0.2
WNW
10
0.2
WNW
7
0.2
WNW
9
0.2
WNW
9
Energy kJ
269
218
198
183
143
140
11
4
106
78
76
1
1
1
60
4
1
1
10
9
9
5
8
8
Swell 3
Height (m)
Direction
Period (s)
0.2
WNW
8
0.2
WNW
8
0.2
WNW
8
0.2
WNW
8
0.2
WNW
8
0.2
WNW
8
0.2
W
7
0.1
S
12
0.2
W
7
0.2
W
7
0.2
W
7
0.1
S
13
0.1
S
13
0.1
SE
9
0.2
W
7
0.1
SE
8
0.1
SE
8
0.1
SE
8
0.1
S
12
0.1
S
12
0.1
SE
7
0.1
W
9
0.1
S
11
0.1
W
14
Energy kJ
6
6
6
6
6
6
4
3
4
4
4
3
3
3
4
3
3
2
3
3
2
2
2
4
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
3
4
4
3
3
3
3
3
4
3
4
3
3
3
3
3
3
3
3
Distance (km)
0
0
0
0
0
27
0
0
0
0
15
233
233
0
0
0
0
0
15
450
0
0
0
0
Best forecast wave conditions in Indonesia - Sumatra - Mainland
Rating
(10 max)
3
3
3
3
3
3
4
4
3
3
3
4
3
4
3
3
3
3
3
3
3
Best forecast wave conditions in Indonesia
Rating
(10 max)
3
4
4
3
3
3
4
4
4
4
4
3
3
4
4
4
3
3
3
3
3
3
3
3
Header Global
Rating
(10 max)
5
5
5
5
5
5
4
5
4
4
5
7
8
7
6
5
5
6
7
7
8
8
7
6
  • 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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