Bankvaults surfForecast / Mentawi Islands / Indonesia

information circle12 Day Weather and Surf, issued 6 am Wednesday 09 Jul 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
30.2° 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 Wednesday (Jul 09) at 1PM. The primary swell is predicted to be 2.0m and 18s period with a secondary swell of 0.5m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Bankvaults in the next 12 days are 2.1m 17s and forecast to arrive on Wednesday (Jul 09) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Wed 9th Jul)6.5ft (2.0m) 18s
Best Surf 1PM (Wed 9th Jul)6.5ft (2.0m) 18s
Most Powerful 4PM (Wed 9th Jul)7ft (2.1m) 17s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
Swell
Height Map
Wave Height (m) & direction (?)
1.7
SSW
2.1
SSW
2.2
SSW
2.1
SSW
2
SSW
1.9
SSW
1.8
S
1.7
S
1.6
S
1.6
S
1.3
SSW
1.1
SW
1.3
SW
1.4
SW
1.6
SSW
1.3
SSW
1.2
SSW
1.2
SSW
1.1
SSW
1
SSW
1.4
SSW
1.6
SSW
1.6
SSW
1
SSW
1.2
SSW
1.1
SSW
1.5
SSW
2
SSW
2.3
SSW
1.9
SSW
1.8
SSW
1.7
SSW
1.4
SW
1.4
SW
1.1
SW
1.4
SSW
Period(s) (?)181716151414131313121518171616151514141313121218162220181816161615151514
Wave
Graph
(?)Metric surfscale
Energy (?)2076254123901916168515731345132113241315161613861466137012337817377306355298081033136512361802247328142719336120741907174012891347975947
Wind
(km/h)
5
NNE
10
NNE
5
W
5
ENE
5
WNW
10
NW
10
N
0
N
5
W
5
ENE
0
E
5
WNW
0
NE
5
W
5
NW
5
ENE
5
SE
10
WNW
5
N
5
NE
5
NW
10
ESE
5
SE
0
S
5
ESE
5
S
5
WNW
5
WNW
10
W
10
W
5
WSW
5
W
5
W
5
N
5
WNW
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
glassglassglasscross-
off
offglassglassglassglassglassglassglassglassglassglasscross-
off
glasscross-
off
offcross-
on
onglasscross-
on
onglassglasscross-
off
cross-
off
glassglasscross-
off
glassglassoff
High Tide
/ height (m)
5:52PM
0.62
6:00AM
1.11
6:32PM
0.66
6:38AM
1.15
7:09PM
0.70
7:13AM
1.19
7:45PM
0.76
7:48AM
1.20
8:22PM
0.81
8:22AM
1.19
9:00PM
0.86
8:57AM
1.15
9:41PM
0.92
9:35AM
1.07
10:26PM
0.96
10:16AM
0.97
11:18PM
0.99
11:05AM
0.85
12:18AM
1.01
12:09PM
0.73
1:27AM
1.03
1:35PM
0.63
2:40AM
1.06
Low Tide
/ height (m)
11:59AM
0.20
10:53PM
0.20
12:35PM
0.15
11:39PM
0.16
1:09PM
0.11
12:23AM
0.14
1:43PM
0.08
1:05AM
0.13
2:16PM
0.06
1:48AM
0.14
2:50PM
0.05
2:33AM
0.17
3:24PM
0.06
3:21AM
0.21
4:00PM
0.07
4:14AM
0.26
4:38PM
0.10
5:14AM
0.30
5:20PM
0.13
6:26AM
0.33
6:10PM
0.17
7:54AM
0.34
7:10PM
0.20
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Sunrise6:26--6:26--6:26--6:26--6:28--6:28--6:28--6:28--6:28--6:28--6:28--6:28--
Sunset-6:28--6:28--6:29--6:29--6:29--6:29--6:29--6:29--6:29--6:29--6:30--6:30-
part cloudthunderstorm rain showersrain showersthunderstorm clearthunderstorm thunderstorm clearclearpart cloudclearclearclearpart cloudpart cloudclearpart cloudthunderstorm part cloudpart cloudpart cloudpart cloudpart cloudpart cloudclearrain showersthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm rain showersclearthunderstorm rain showers
Rain (mm)
-3113-12----------1-------22412131-12
Temp. °C282826282727272827282827282827272827282827282827282827282727282827282827
Feels °C (?)313130323130303331313231313231313231313131313131313131323031323231323230

Short Range Forecast: Moderate rain (total 11mm), heaviest on Wed afternoon. Warm (max 28°C on Wed morning, min 26°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 28°C on Sat morning, min 26°C on Sat night). Wind will be generally light.

Days 6-9 Weather Summary Light rain (total 3mm), mostly falling on Thu night. Warm (max 28°C on Tue morning, min 26°C on Tue night). Wind will be generally light.

Long Range Forecast: Heavy rain (total 26mm), heaviest during Fri night. Warm (max 28°C on Fri morning, min 26°C on Fri night). Wind will be generally light.

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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