4 Bobs surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 12 am Tuesday 02 Jun 2026 WIB
Forecast update in hr  min  s Forecast update imminent
4 Bobs surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's 4 Bobs sea temperature is
30.5° C
(Which is slightly warmer than usual)

How big are the waves at 4 Bobs today (02 Jun):

  • Morning surf: Morning surf (02 Jun, local time) - 4.5ft (1.4m), 14s period with SSW swell.
  • Afternoon surf: Afternoon surf (02 Jun, local time) - 4.5ft (1.4m), 14s period with SSW swell.
  • Evening surf: Evening surf (02 Jun, local time) - 5ft (1.5m), 13s period with SSW swell.

The current surf forecast for 4 Bobs at 6AM is: 1.5m 14s primary swell from a South-southwest direction and 0.6m 8s secondary swell from a South-southwest direction (forecast issued at 12:00am June 02). The wind direction is predicted to be glassy and the swell rating is 3.

Time (WIB) & DateWave HeightWave Period
Morning (02 Jun)4.5ft (1.4m)14s
Afternoon (02 Jun)4.5ft (1.4m)14s
Evening (02 Jun)5ft (1.5m)13s

Table - waves today at 4 Bobs. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 7mm), mostly falling on Mon night. Warm (max 28°C on Mon night, min 27°C on Mon night). Wind will be generally light.

Tuesday
2
Wednesday
3
Thursday
4
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
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
3
3
3
3
2
3
3
3
3
3
4
4
3
4
4
4
4
4
4
4
3
3
3
3
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.6
SSW
14
1.6
SSW
14
1.4
SSW
14
1.3
SSW
14
1.3
SSW
14
1.4
SSW
13
1.4
SSW
13
1.5
SSW
13
1.6
SSW
13
1
SSW
16
1.4
SSW
16
1.2
SSW
15
1.1
SSW
15
1.8
SSW
14
1.7
SSW
14
1.8
SSW
14
1.7
SSW
14
1.4
SSW
13
1.5
SSW
14
1.5
SSW
13
1.4
SSW
13
1.4
SSW
13
1.1
SW
16
1.1
SW
16
Wave Graph
Metric surfscale
Energy kJ
876
902
774
712
702
700
690
781
892
487
991
637
537
1321
1111
1224
1080
642
790
778
613
686
677
677
Wind (km/h)
5
SSW
0
SE
0
NE
5
ENE
5
E
0
SE
0
NNW
0
NNW
5
N
5
NW
5
NNW
5
N
5
ENE
5
NNW
5
NNW
5
WNW
5
W
5
WSW
0
WSW
0
ENE
5
ESE
5
SE
5
SSE
5
SE
glassy
glassy
glassy
glassy
cross
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
cross-on
cross-on
glassy
cross-on
High Tide
7:23AM1.15m
7:50PM0.70m
7:57AM1.13m
8:26PM0.69m
8:30AM1.10m
9:02PM0.68m
Low Tide
00:27AM0.13m
1:46PM0.11m
1:04AM0.14m
2:21PM0.13m
1:41AM0.17m
2:58PM0.15m
thunderstorm
thunderstorm
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:21
6:21
6:21
2
2
1
1
Temp °C
28
27
27
28
28
28
28
28
27
27
27
27
28
28
28
28
27
27
27
28
28
28
28
28
33
32
31
32
31
32
32
33
31
31
31
31
32
32
32
33
31
31
32
33
32
31
32
32
Swell 1
Height (m)
Direction
Period (s)
1.6
SSW
14
1.6
SSW
14
1.4
SSW
14
1.3
SSW
14
1.3
SSW
14
1.4
SSW
13
1.4
SSW
13
1.5
SSW
13
1.6
SSW
13
1.1
SSW
11
1.4
SSW
16
1.5
SSW
11
1.4
SSW
11
1.8
SSW
14
1.7
SSW
14
1.8
SSW
14
1.7
SSW
14
1.4
SSW
13
1.5
SSW
14
1.5
SSW
13
1.4
SSW
13
1.4
SSW
13
1.3
SSW
13
1.1
SW
16
Energy kJ
876
902
774
712
702
700
690
781
892
292
991
521
447
1321
1111
1224
1080
642
790
778
613
604
522
677
Swell 2
Height (m)
Direction
Period (s)
0.3
WNW
7
0.3
SSW
20
0.6
SSW
8
0.7
SSW
8
0.6
SSW
8
0.6
SSW
18
0.8
SSW
18
0.8
SSW
17
0.7
SSW
16
1.1
SSW
13
1.1
SSW
10
1.2
SSW
15
1.1
SSW
15
0.3
SSE
17
0.8
SW
18
0.9
SW
18
0.9
SW
18
0.9
SW
18
0.9
SW
18
0.9
SW
18
1
SW
17
1.1
SW
16
1.1
SW
16
1.2
SSW
13
Energy kJ
11
75
51
68
50
246
348
336
276
378
270
637
537
59
388
528
528
528
534
460
587
686
677
461
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
20
0.3
WNW
7
0.3
SSW
20
0.4
SSW
19
0.5
SSW
18
0.2
WNW
7
0.2
WNW
7
0.2
WNW
7
0.4
SW
20
1
SSW
16
0.6
SW
20
0.6
SW
20
0.5
SW
20
0.2
WNW
7
0.4
SSE
16
0.4
SSE
16
0.4
SSE
16
0.8
S
13
0.8
S
14
0.7
S
13
0.7
S
14
0.6
S
13
0.6
S
13
0.8
S
13
Energy kJ
39
11
75
143
182
5
5
5
134
487
239
239
186
5
90
87
84
229
232
176
184
130
125
219
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
4
4
3
4
4
4
4
4
4
4
4
4
3
3
Distance (km)
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
7
Best forecast wave conditions in Mentawi Islands
Rating
(10 max)
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Best forecast wave conditions in Indonesia
Rating
(10 max)
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
5
5
5
6
4
4
6
4
5
5
5
5
5
4
5
5
5
5
5
5
4
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)
Map placeholder

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