Hideaways (Mentawi Islands) surfForecast / Mentawi Islands / Indonesia

information circle12 Day Weather and Surf, issued 6 am Thursday 18 Dec 2025 WIB
Forecast update in hr  min  s Forecast update imminent
Hideaways (Mentawi Islands) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hideaways (Mentawi Islands) sea temperature is
29.2° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Hideaways (Mentawi Islands) this week:

The surf forecast for Hideaways (Mentawi Islands) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Dec 20) at 1PM. The primary swell is predicted to be 1.0m and 12s period with a secondary swell of 0.5m and 16s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Hideaways (Mentawi Islands) in the next 12 days are 1.3m 14s and forecast to arrive on Thursday (Dec 18) at 1PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 10s period and expected on Sunday (Dec 21) at 7PM.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Sat 20th Dec)3.5ft (1.0m) 12s
Best Surf 1PM (Sat 20th Dec)3.5ft (1.0m) 12s
Most Powerful 1PM (Thu 18th Dec)4.5ft (1.3m) 14s

Table - best surf conditions forecast for Hideaways (Mentawi Islands) over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 16mm), heaviest on Thu afternoon. Warm (max 28°C on Thu morning, min 26°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sun night. Warm (max 28°C on Sun morning, min 26°C on Sun night). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
1
1
1
1
0
1
1
0
0
1
0
1
1
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.3
SW
1.2
SW
1
SW
0.9
SSW
1
SW
0.8
SSW
0.9
SSW
1
SSW
0.6
SW
0.6
SSW
0.7
SW
0.7
SW
0.9
SW
0.7
SW
0.8
SW
0.9
SW
0.8
SW
0.6
SW
0.7
SW
0.7
SW
0.7
SW
Period(s) (?)141413131312111116151515151414131313131413
Wave
Graph
(?)Metric surfscale
Energy kJ (?)667597347295326187200243206152217223309211231261208138178191178
Wind
(km/h)
10
NNW
5
WNW
10
WNW
10
NNW
10
NW
10
WNW
10
NNW
5
WNW
10
NW
5
NNW
5
W
10
WNW
5
NNW
5
WSW
10
W
10
N
5
SW
5
WNW
10
NNW
10
WNW
15
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononononononononononglasscross-
on
cross-
on
glasscross-
on
cross-
on
crossonononcross-
on
High Tide
/ height (m)
5:31PM
1.09
5:59AM
0.66
6:07PM
1.12
6:36AM
0.68
6:43PM
1.15
7:11AM
0.69
7:17PM
1.16
7:45AM
0.70
7:49PM
1.16
8:19AM
0.72
8:20PM
1.14
8:55AM
0.74
8:51PM
1.11
Low Tide
/ height (m)
10:23AM
0.21
12:07AM
0.17
11:05AM
0.18
12:39AM
0.13
11:45AM
0.15
1:11AM
0.10
12:23PM
0.13
1:44AM
0.09
1:01PM
0.14
2:18AM
0.09
1:39PM
0.16
2:52AM
0.10
2:19PM
0.20
3:27AM
0.11
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Sunrise6:11--6:11--6:11--6:13--6:13--6:13--6:13--
Sunset-6:24--6:25--6:25--6:27--6:27--6:28--6:28-
part cloud
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
clear
part cloud
thunderstorm
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
thunderstorm
Rain (mm)
-36121111--2--------12
Temp. °C282827282827282827282827282827282827282827
Feels °C (?)323231313131323231323230313230323130313029
  • Map Icons:
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  • 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 Hideaways (Mentawi Islands) Surf forecast

The above surf forecast table for Hideaways (Mentawi Islands) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Hideaways (Mentawi Islands) can be found by selecting the local surf guide option on the grey menu. Our Hideaways (Mentawi Islands) 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 (Hideaways (Mentawi Islands)) 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 Hideaways (Mentawi Islands) 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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