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Surf Forecasts:

4 Bobs surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 6 pm Thursday 19 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
29.8° 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 3AM is: 1.0m 12s primary swell from a Southwest direction and 0.5m 9s secondary swell from a South-southeast direction (forecast issued at 06:00pm March 19). The wind direction is predicted to be onshore.

Time (WIB) & DateWave HeightWave Period
Morning (20 Mar)3.5ft (1.0m)12s
Afternoon (20 Mar)3ft (0.9m)13s
Evening (20 Mar)3ft (0.9m)13s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Thursday
19
Friday
20
Saturday
21
Sunday
22
4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM
Rating
(10 max)
0
0
1
1
1
1
2
2
2
1
2
2
2
2
1
2
2
1
1
2
2
1
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
SW
1
SW
1
SW
1
SW
1
SW
1
SW
1
SW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SW
0.8
SSW
0.8
SSW
0.7
SW
0.6
SW
1.1
SW
1.1
SW
1.1
SW
1
SSW
0.8
SSW
0.9
SSW
Period(s) (?)141414121212121313131313121212121515151516141615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)384390384306306306306277286286286286255209184180217171489544558396324390
Wind
(km/h)
10
SSW
15
SSW
10
SSW
10
S
10
S
5
SSE
5
SE
0
NW
5
WSW
5
W
5
W
5
WSW
5
SSW
5
SSE
5
ESE
5
SE
5
SSW
5
SW
10
S
10
S
10
S
10
S
10
SSE
10
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		ononononglassglassglasscrossglassglassglassglasscross-
on		glassglasscross-
on		onononononon
High Tide
/ height (m)
6:49PM
1.14
7:12AM
1.20
7:23PM
1.11
7:44AM
1.27
7:57PM
1.04
8:19AM
1.29
Low Tide
/ height (m)
12:48AM
-0.01
1:13PM
0.01
1:19AM
-0.04
1:54PM
-0.01
1:50AM
-0.04
Thursday
19
Friday
20
Saturday
21
Sunday
22
Sunrise-----6:26-------6:26-------6:26--
Sunset6:34-------6:32-------6:32-------
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C282828282828282828282828272728282828282827272828
Feels °C (?)313031313132333332323232313132323232323230303131
  • 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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