Bankvaults surfForecast / Mentawi Islands / Indonesia

information circle12 Day Weather and Surf, issued 12 pm Tuesday 02 Dec 2025 WIB
Forecast update in hr  min  s Forecast update imminent
Bankvaults surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Bankvaults sea temperature is
29.4° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Bankvaults this week:

The surf forecast for Bankvaults over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 02) at 4PM. The primary swell is predicted to be 1.5m and 14s period with a secondary swell of 0.5m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Bankvaults in the next 12 days are 1.5m 14s and forecast to arrive on Tuesday (Dec 02) at 4PM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Tue 2nd Dec)5ft (1.5m) 14s
Best Surf 4PM (Tue 2nd Dec)5ft (1.5m) 14s
Most Powerful 4PM (Tue 2nd Dec)5ft (1.5m) 14s

Table - best surf conditions forecast for Bankvaults over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 4mm), mostly falling on Tue morning. Warm (max 28°C on Tue afternoon, min 26°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 11mm), heaviest on Sun afternoon. Warm (max 28°C on Fri afternoon, min 26°C on Fri night). Wind will be generally light.

Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
3
3
3
3
3
3
2
2
2
1
1
2
2
2
3
3
3
3
3
3
Swell
Height Map
Wave Height (m) & direction (?)
1.5
SW
1.5
SW
1.4
SW
1.4
SW
1.3
SW
1.2
SW
1.1
SW
1
SW
1
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
0.8
SW
0.7
SW
1
SSW
0.9
SSW
0.9
SW
1
SW
1
SW
1.1
SW
Period(s) (?)151414141414131313131313131212121316161515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)953902834752667581458342321238238241230175140297252381502453543
Wind
(km/h)
0
NE
5
SE
5
WNW
5
NNE
5
W
10
W
5
N
0
WNW
5
SW
0
N
10
SW
10
SW
5
NE
5
S
5
W
5
NNE
5
WSW
10
W
5
NNW
5
WNW
5
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassglassglassglasscross-
off
offglassglassglasscross-
on
crossglassglasscross-
off
glassglasscross-
off
glassglasscross-
off
High Tide
/ height (m)
4:01PM
1.15
4:20AM
0.79
4:48PM
1.26
5:13AM
0.79
5:35PM
1.34
6:04AM
0.79
6:22PM
1.38
6:52AM
0.78
7:09PM
1.38
7:40AM
0.78
7:56PM
1.34
8:30AM
0.77
8:44PM
1.26
Low Tide
/ height (m)
10:27PM
0.18
9:55AM
0.10
11:22PM
0.07
10:44AM
0.05
12:12AM
-0.00
11:31AM
0.01
1:00AM
-0.03
12:18PM
0.00
1:47AM
-0.03
1:05PM
0.02
2:33AM
0.00
1:52PM
0.07
3:18AM
0.06
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Sunrise6:05--6:05--6:05--6:05--6:05--6:07--6:07--
Sunset-6:17--6:19--6:19--6:20--6:20--6:20--6:21-
thunderstorm
part cloud
part cloud
part cloud
thunderstorm
part cloud
part cloud
part cloud
clear
part cloud
thunderstorm
part cloud
part cloud
part cloud
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
3---1-----1---2-35231
Temp. °C272827272827282827272827272827272727272726
Feels °C (?)323231313230323230313130313231313131313129
  • 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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Information about the Bankvaults Surf forecast

The above surf forecast table for Bankvaults provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Bankvaults can be found by selecting the local surf guide option on the grey menu. Our Bankvaults surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Bankvaults) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Bankvaults may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

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