4 Bobs surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 6 pm Wednesday 07 Jan 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
28.8° C
(Which is normal for this time of year)


How big are the waves at 4 Bobs today?

The current surf forecast for 4 Bobs at 9PM is: 0.7m 11s primary swell from a South-southwest direction and 0.7m 8s secondary swell from a West-southwest direction (forecast issued at 06:00pm January 07). The wind direction is predicted to be cross-onshore.

Time (WIB) & DateWave HeightWave Period
Morning (07 Jan)--
Afternoon (07 Jan)2ft (0.6m)11s
Evening (07 Jan)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
Wednesday
07
Thursday
08
Friday
09
Saturday
10
4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM
Rating
(10 max)
0
0
0
0
0
0
0
1
1
1
1
2
2
3
2
2
2
2
2
2
2
2
1
2
Swell
Height Map
Wave Height (m) & direction (?)
0.7
SSW
0.7
SSW
0.7
SSW
0.6
SSW
0.7
W
0.4
SSW
0.6
SSW
0.6
SSW
0.8
SSW
0.9
SSW
1
SSW
1.1
SSW
1.1
SSW
1.3
SSW
1.3
SSW
1.3
SSW
1.3
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1.1
SSW
1
SSW
1
SSW
Period(s) (?)12121111816151515141414141313131313131312121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)119117111825894146144272330384446460634615569569484476462440365299274
Wind
(km/h)
10
SW
10
WSW
10
SSW
10
SSW
10
SSW
10
SSW
5
S
10
SSW
10
SW
10
SW
5
SW
5
WSW
5
NW
10
N
15
N
15
NNW
15
NNW
15
NW
15
NW
15
NNW
15
NNW
20
NNW
25
N
20
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
ononononcross-
on
cross-
on
cross-
on
cross-
on
glassglassoffoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoff
High Tide
/ height (m)
9:15PM
1.18
9:56AM
0.92
9:54PM
1.06
10:44AM
0.93
10:33PM
0.93
11:34AM
0.92
Low Tide
/ height (m)
2:36PM
0.14
3:31AM
0.07
3:22PM
0.22
4:04AM
0.12
4:10PM
0.31
4:36AM
0.17
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunrise-----6:22-------6:22-------6:22--
Sunset6:35-------6:35-------6:36-------
part cloud
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
cloud
cloud
cloud
thunderstorm
thunderstorm
thunderstorm
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
Rain (mm)
-----12---111-2112-1122-
Temp. °C282828282727272727272727262626262627262626262627
Feels °C (?)313131313030313030303131302928282829282828272628
  • 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

Latest Updates

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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