4 Bobs surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 12 am Thursday 26 Mar 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
30.0° C
(Which is slightly warmer than usual)

How big are the waves at 4 Bobs today?

The current surf forecast for 4 Bobs at 6AM is: 1.0m 12s primary swell from a South direction and 0.4m 16s secondary swell from a South-southwest direction (forecast issued at 12:00am March 26). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (WIB) & DateWave HeightWave Period
Morning (26 Mar)3.5ft (1.0m)11s
Afternoon (26 Mar)3.5ft (1.0m)12s
Evening (26 Mar)2.5ft (0.7m)11s

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


Updates in  hr  min  s Forecast update imminent
Thursday
26
Friday
27
Saturday
28
10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM
Rating
(10 max)
2
2
2
2
2
2
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.8
SSW
1
S
1
S
0.9
SSW
1
S
1
S
1
S
0.8
SSW
0.8
S
0.7
SSW
0.9
SSW
1.2
SSW
0.7
SW
1.1
SSW
1.1
SSW
1.1
SSW
1.1
SSW
1.1
S
1.1
S
1
SSW
0.9
SSW
0.7
SW
0.6
S
0.9
SSW
Period(s) (?)12121212111212129141414141412121210131313131514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)184289289228260274274171102161299596214514367361355265408367303178155285
Wind
(km/h)
10
NW
10
NW
10
WNW
5
WNW
5
WNW
5
WSW
10
W
10
W
10
WNW
10
WNW
10
WNW
10
NW
10
NW
5
WNW
10
WNW
15
WNW
15
WNW
15
WNW
5
NW
10
NNW
5
NNW
5
WNW
5
WSW
10
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
glassglasscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offglassglasscrosscross
High Tide
/ height (m)
10:49PM
0.62
11:48AM
1.01
12:41AM
0.55
1:29PM
0.95
2:46AM
0.60
3:00PM
0.97
Low Tide
/ height (m)
4:26AM
0.21
6:35PM
0.33
5:34AM
0.32
8:47PM
0.33
7:23AM
0.38
Thursday
26
Friday
27
Saturday
28
Sunrise---6:24-------6:24-------6:24----
Sunset------6:30-------6:30-------6:30-
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
--------12211-21-32-1111
Temp. °C282727272828292928282727282828282827272728282929
Feels °C (?)313030303232313231313030313131303129313032323332
  • 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

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our 4 Bobs surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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