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Surf Forecasts:

4 Bobs surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 6 am Wednesday 14 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
29.4° 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 8AM is: 0.8m 16s primary swell from a Southwest direction and 0.7m 9s secondary swell from a West-southwest direction, 0.5m 5s secondary swell from a West direction (forecast issued at 06:00am January 14). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (WIB) & DateWave HeightWave Period
Morning (14 Jan)2.5ft (0.8m)16s
Afternoon (14 Jan)2.5ft (0.8m)15s
Evening (14 Jan)3ft (0.9m)15s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
14
Thursday
15
Friday
16
Sat
17
4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM
Rating
(10 max)
2
2
2
2
1
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
1
1
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.7
SW
0.8
SW
0.8
SW
0.8
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
1
SW
1
SW
1
SW
1
SW
1
SW
1
SW
1
SW
1
SW
1
SW
0.9
SW
1
SW
1
SW
1
SW
1.2
SW
1
SW
0.8
SW
Period(s) (?)161616151515151515141414141414141414131313121313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)260314302273375375385385410377366382387398398387382331345340340456330242
Wind
(km/h)
15
WNW
10
NW
10
NW
10
WNW
10
W
15
WNW
10
WNW
10
WNW
10
WNW
10
NNW
10
NNW
10
N
10
WNW
10
W
15
WNW
10
NW
10
NW
10
NNW
10
NNW
10
WNW
15
WNW
15
WNW
15
NW
15
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffcross-
off		crosscross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
2:56AM
0.55
3:39PM
0.94
4:11AM
0.55
4:33PM
0.99
5:07AM
0.59
5:18PM
1.05
Low Tide
/ height (m)
7:38AM
0.31
11:01PM
0.36
8:48AM
0.31
11:37PM
0.29
9:53AM
0.27
12:06AM
0.22
Wednesday
14
Thursday
15
Friday
16
Sat
17
Sunrise-6:24-------6:24-------6:24------
Sunset----6:37-------6:37-------6:37---
thunderstorm
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
clear
clear
thunderstorm
clear
clear
clear
part cloud
clear
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
1--111--2--1-----11-3211
Temp. °C272728282827272626262727282827272626272828272726
Feels °C (?)293031313029302929293030313129302929303130282928
  • 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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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.

View detailed surf forecast for 4 Bobs at:
surf-forecast.com

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