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 6 pm Tuesday 17 Mar 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
30.2° C
 (Which is slightly warmer than usual)

How big are the waves at Thailand today?

The current surf forecast for Thailand at 10PM is: 1.2m 14s primary swell from a Southwest direction and 0.5m 9s secondary swell from a South direction (forecast issued at 06:00pm March 17). The wind direction is predicted to be glassy and the swell rating is 3.

Time (WIB) & DateWave HeightWave Period
Morning (17 Mar)--
Afternoon (17 Mar)4ft (1.2m)14s
Evening (17 Mar)4ft (1.2m)14s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM
Rating
(10 max)
2
3
3
3
3
3
2
2
1
1
2
2
2
2
2
2
1
1
2
2
2
2
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
SW
1.2
SW
1.2
SW
1.2
SW
1.2
SW
1.2
SW
1.2
SW
1.2
SSW
1.1
SW
1.1
SW
1.1
SW
1.1
SW
1.1
SW
1.1
SW
1
SW
1
SW
0.9
SSW
0.6
SSW
0.7
SW
0.7
SSW
0.8
SSW
0.9
SSW
0.9
SSW
0.9
SSW
Period(s) (?)141414141313131313131313131313131314141412121312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)597573540532525525517472400400400394400400342336281149203180193273277273
Wind
(km/h)
5
WSW
5
SSW
5
SE
5
SSW
5
S
5
ESE
10
SE
10
SE
10
SSE
5
SSE
5
S
5
WSW
5
W
5
W
5
WNW
5
SSW
10
SSW
5
WSW
5
NW
10
NNW
10
NNW
5
N
5
N
5
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onglassglassglassglasscross-
off		crosscrosscrosscrossglassglassglassglassglassglassononglasscross-
off		cross-
off		glassglassglass
High Tide
/ height (m)
5:40PM
0.67
6:06AM
0.57
6:10PM
0.70
6:35AM
0.64
6:41PM
0.69
7:06AM
0.69
Low Tide
/ height (m)
12:05AM
0.04
11:55AM
0.07
12:27AM
0.01
12:32PM
0.04
12:51AM
-0.01
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sunrise-----6:39-------6:39-------6:39--
Sunset6:45-------6:45-------6:45-------
thunderstorm
thunderstorm
clear
clear
thunderstorm
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
cloud
thunderstorm
cloud
part cloud
part cloud
clear
Rain (mm)
11--1--------1131--1----
Temp. °C282828272727282929282827272728282928282727272828
Feels °C (?)323233313231323232323231313132323231323030313232
  • 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

Surf-Forecast Premium Launches 16-day Forecast and New, Improved Modelling
Ben Mondy

Surf-Forecast Premium Launches 16-day Forecast and New, Improved Modelling

Get 16% off your subscription with code 16DAYS—available for 16 days only, until March 25, 2026. Surf-Forecast Premium just got better. All paid subscribers will now see a full 16-day forecast, surf reports and wind and tide data for over 7,000 of the world's best surf spots. Premium members will also have access to a new high-resolution forecast model, which enhances our current forecasts by making them quicker and more accurate. That’s more lead time. More confidence. More chances to score g

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal
travel
Surf Forecast

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal

Surf road trips just got even better. Surf-Forecast users can now save up to 20% on SIXT rental cars worldwide during the promotional period until March 31, 2026. Whether you’re planning a legendary California road trip, chasing waves along Europe’s coasts, or exploring remote surf destinations, this exclusive SIXT offer helps you travel smarter and cheaper. And if you want some inspiration on where to go, check out our article Five Iconic Surf Road Trips. Click and get your SIXT discount

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