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Surf Forecasts:

Thailand surfForecast / Simeulue Island / Indonesia

information circle12 Day Weather and Surf, issued 12 pm Wednesday 07 Jan 2026 WIB
Forecast update in hr  min  s Forecast update imminent
Thailand surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Thailand sea temperature is
29.6° C
 (Which is normal for this time of year)

Best Forecast Surf Conditions for Thailand this week:

The surf forecast for Thailand over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jan 07) at 10PM. The primary swell is predicted to be 0.7m and 11s period with a secondary swell of 0.7m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Thailand in the next 12 days are 1.3m 13s and forecast to arrive on Saturday (Jan 10) at 1AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Saturday (Jan 10) at 4AM.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+)10PM (Wed 7th Jan)2.5ft (0.7m) 11s
Best Surf 7PM (Fri 9th Jan)4ft (1.2m) 13s
Most Powerful 1AM (Sat 10th Jan)4.5ft (1.3m) 13s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 30mm), heaviest during Fri morning. Warm (max 28°C on Wed morning, min 24°C on Fri morning). Wind will be generally light.

Days 3-6 Weather Summary Some drizzle, heaviest during Sun night. Warm (max 28°C on Sun morning, min 25°C on Sat morning). Wind will be generally light.

Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
1
1
1
2
2
2
3
2
2
1
2
0
0
1
0
1
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
WSW
0.7
WSW
0.4
SW
0.7
SSW
0.6
SSW
0.8
SSW
1
SSW
1.1
SSW
1.3
SSW
1.1
SSW
1.1
SSW
1
SSW
0.7
SSW
0.7
SSW
0.8
SSW
0.7
SSW
0.6
SSW
0.5
S
0.5
S
0.4
SW
0.4
SW
Period(s) (?)871611151514131313121212121111111091313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7650791031502423624025284023392691271191401077946436143
Wind
(km/h)
10
SSE
10
SSW
5
SW
10
SSE
10
SSW
5
ENE
5
N
5
W
20
NNE
10
ENE
0
NNW
5
W
5
NNW
5
WSW
5
S
5
ESE
10
SSW
5
WSW
0
ENE
5
SW
5
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		glasscross-
on		onglassglasscross-
on		offoffglasscross-
on		glassoncross-
on		cross-
off		onglassglassoncross-
on
High Tide
/ height (m)
9:04PM
0.70
9:39AM
0.48
9:39PM
0.63
10:26AM
0.49
10:13PM
0.55
11:19AM
0.49
10:46PM
0.46
12:21PM
0.48
11:25PM
0.38
1:35PM
0.49
12:31AM
0.32
2:52PM
0.50
2:31AM
0.28
Low Tide
/ height (m)
2:22PM
0.09
3:41AM
0.07
3:06PM
0.15
4:11AM
0.10
3:54PM
0.21
4:41AM
0.12
4:52PM
0.27
5:12AM
0.14
6:21PM
0.30
5:51AM
0.16
9:00PM
0.29
6:48AM
0.17
10:47PM
0.24
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Sunrise6:39--6:41--6:41--6:41--6:41--6:41--6:43--
Sunset-6:39--6:39--6:40--6:40--6:42--6:42--6:43-
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
cloud
light rain
cloud
part cloud
part cloud
part cloud
part cloud
rain showers
part cloud
clear
clear
clear
clear
part cloud
Rain (mm)
2-461105-2-----1------
Temp. °C282828272827252526262627282827282827282827
Feels °C (?)313133303131282829293031323131313131323130
  • 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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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 Thailand 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 Thailand at:
surf-forecast.com

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Information about the Thailand Surf forecast

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

Are you planning a holiday in Simeulue Island? If you are looking for accommodation near Thailand, camping, hotels and holiday cottages in Simeulue Island, consider staying in Batoe Nasera which is 84 km (52 miles) away.

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