4 Bobs surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 12 am Wednesday 12 Nov 2025 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
29.6° C
(Which is 1.0°C warmer than normal for this time of year)


How big are the waves at 4 Bobs today?

The current surf forecast for 4 Bobs at 3AM is: 0.9m 14s primary swell from a Southwest direction and 0.8m 7s secondary swell from a West direction (forecast issued at 12:00am November 12). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (WIB) & DateWave HeightWave Period
Morning (12 Nov)3ft (0.9m)13s
Afternoon (12 Nov)3ft (0.9m)13s
Evening (12 Nov)3ft (0.9m)13s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
12
Thursday
13
Friday
14
10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM
Rating
(10 max)
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
1
1
1
0
1
0
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
0.8
SW
0.9
SW
0.8
SW
0.8
SW
0.8
SW
0.8
SW
0.8
SW
0.8
SW
0.8
SW
0.7
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.5
SW
Period(s) (?)141413131313131313131313131313131212121212121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3273082992992952572082492022022022022021991991611241201181161161148969
Wind
(km/h)
20
NW
25
NW
20
NW
25
WNW
20
WNW
5
WNW
5
NNE
5
NNE
5
NNE
10
NNW
10
NW
10
NW
10
NNW
10
NW
10
NW
10
N
10
N
15
NW
20
NNW
15
NNW
20
NNW
20
NNW
20
NNW
20
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glassglassoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
off
offcross-
off
offcross-
off
cross-
off
High Tide
/ height (m)
10:49PM
1.04
11:57AM
0.67
12:04AM
0.93
1:26PM
0.72
1:24AM
0.87
2:37PM
0.81
Low Tide
/ height (m)
5:25AM
0.25
4:45PM
0.36
6:40AM
0.29
6:19PM
0.45
7:55AM
0.30
Wednesday
12
Thursday
13
Friday
14
Sunrise---6:00-------6:00-------6:01----
Sunset------6:12-------6:12-------6:13-
mod rain
mod rain
thunderstorm
thunderstorm
thunderstorm
light rain
cloud
cloud
part cloud
part cloud
part cloud
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
Rain (mm)
91012531-----1-14233111-1-
Temp. °C252424252524252626262626272725262726262627292828
Feels °C (?)272425252627293030292829292927293028262728302929
  • 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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