Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Thailand surfForecast / Simeulue Island / Indonesia

information circle48hr Weather and Surf, issued 12 pm Sunday 18 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 2PM is: 0.9m 15s primary swell from a Southwest direction and 0.7m 18s secondary swell from a South-southwest direction, 0.4m 4s secondary swell from a West-northwest direction (forecast issued at 12:00pm January 18). The wind direction is predicted to be cross-shore.

Time (WIB) & DateWave HeightWave Period
Morning (18 Jan)3ft (0.9m)15s
Afternoon (18 Jan)3ft (0.9m)14s
Evening (18 Jan)4.5ft (1.3m)18s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM
Rating
(10 max)
1
2
0
0
3
3
3
2
2
2
1
1
1
1
1
1
2
2
2
2
1
1
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
SW
0.9
SW
0.9
SW
0.8
SSW
1.3
SSW
1.3
SSW
1.3
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1.1
SSW
1
SSW
1
SSW
1
SSW
1
SSW
1
SSW
1
SSW
1
SSW
1
SSW
Period(s) (?)151514181818171716161616161615151414141414141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)380309305399102110211009771683674666657657649624530431419413407407407378367
Wind
(km/h)
15
NW
15
NW
15
WNW
20
WNW
15
NW
15
NW
15
WNW
15
NW
15
NW
10
NW
15
NW
15
WNW
15
WNW
20
WNW
20
NW
15
NW
15
NW
15
NNW
15
NW
15
NW
15
NW
10
NW
15
NW
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
on		cross-
on		crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
off		crosscrosscrosscrosscrosscross
High Tide
/ height (m)
6:33PM
0.69
6:49AM
0.40
7:04PM
0.72
7:21AM
0.44
7:33PM
0.74
Low Tide
/ height (m)
1:17AM
0.06
12:14PM
0.05
1:42AM
0.05
12:49PM
0.05
2:08AM
0.05
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Sunrise-------6:45-------6:45-------6:45
Sunset--6:45-------6:45-------6:45-----
clear
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C282929282726272728292928272726262728292827262626
Feels °C (?)293030292928292829303030292827272829292929282828
  • 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

Latest Updates

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

Read more

Read more

Discover more articles and updates in the Greenroom.

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

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest