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Surf Forecasts:

Thailand surfForecast / Simeulue Island / Indonesia

information circle48hr Weather and Surf, issued 12 am Wednesday 21 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)

How big are the waves at Thailand today?

The current surf forecast for Thailand at 5AM is: 1.0m 14s primary swell from a South-southwest direction and 0.7m 8s secondary swell from a Southwest direction (forecast issued at 12:00am January 21). The wind direction is predicted to be glassy and the swell rating is 3.

Time (WIB) & DateWave HeightWave Period
Morning (21 Jan)3.5ft (1.0m)14s
Afternoon (21 Jan)2.5ft (0.7m)21s
Evening (21 Jan)3.5ft (1.1m)20s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
21
Thursday
22
Friday
23
10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM
Rating
(10 max)
2
3
2
3
3
3
2
2
3
3
4
4
4
4
4
3
3
3
2
2
2
3
2
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
SSW
1
SSW
1
SSW
1
SSW
0.6
S
0.7
S
0.8
S
1
S
1.1
S
1.1
S
1.3
S
1.4
S
1.4
S
1.4
SSW
1.4
SSW
1.4
SSW
1.4
SSW
1.6
SSW
1.5
SSW
1.5
SSW
1.4
SSW
1.4
SSW
1.3
SSW
1.3
SSW
Period(s) (?)141414142221212019191818171616161615151414141413
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4074073783733544495677839228761075121511871068102910169781049886862742721580555
Wind
(km/h)
10
NW
10
NW
5
NW
5
N
5
NNW
5
WNW
5
W
10
W
10
WNW
5
WNW
5
WNW
5
NNW
5
NNE
0
SW
5
WSW
5
WSW
5
WSW
5
W
10
WNW
5
WNW
5
NW
5
W
5
WSW
5
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off		crossglasscross-
off		glasscross-
on		cross-
on		cross-
on		cross-
on		glasscross-
off		glassglassglasscross-
on		cross-
on		cross-
on		cross-
on		crosscrossglasscross-
on		glass
High Tide
/ height (m)
7:33PM
0.74
7:54AM
0.47
8:02PM
0.73
8:28AM
0.51
8:32PM
0.71
9:04AM
0.53
Low Tide
/ height (m)
2:08AM
0.05
1:24PM
0.06
2:34AM
0.04
2:00PM
0.09
3:00AM
0.05
2:39PM
0.12
Wednesday
21
Thursday
22
Friday
23
Sunrise---6:45-------6:45-------6:46----
Sunset------6:45-------6:45-------6:45-
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
clear
part cloud
clear
Rain (mm)
------------------------
Temp. °C272626262728282727262626272728272727262627282827
Feels °C (?)292829303031312930303029313132313131292930323131
  • 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 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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